Toshiba HWS-802XWHM3-E Engineering Data
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Toshiba HWS-802XWHM3-E Engineering Data

Air to water heat pump, hydro & outdoor unit, hot water cylinder
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See also: Service Manual , Owner's Manual
Engineering Data Book
Air to Water Heat Pump
Hydro Unit
HWS-802XWHM3-E
HWS-802XWHT6-E
HWS-1402XWHM3-E
HWS-1402XWHT6-E
HWS-1402XWHT9-E
<Hydro unit>

Outdoor Unit

HWS-802H-E
HWS-1102H-E
HWS-1402H-E
8 kw
11/14 kw
<Outdoor unit>
Hot Water Cylinder
HWS-1501CSHM3-E
HWS-2101CSHM3-E
HWS-3001CSHM3-E
HWS-1501CSHM3-UK
HWS-2101CSHM3-UK
HWS-3001CSHM3-UK
<Hot water cylinder>
E09-371

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Summary of Contents for Toshiba HWS-802XWHM3-E

  • Page 1: Outdoor Unit

    E09-371 Engineering Data Book Air to Water Heat Pump Hydro Unit Outdoor Unit Hot Water Cylinder HWS-802XWHM3-E HWS-802H-E HWS-1501CSHM3-E HWS-802XWHT6-E HWS-1102H-E HWS-2101CSHM3-E HWS-1402XWHM3-E HWS-1402H-E HWS-3001CSHM3-E HWS-1402XWHT6-E HWS-1501CSHM3-UK HWS-1402XWHT9-E HWS-2101CSHM3-UK HWS-3001CSHM3-UK 8 kw 11/14 kw <Hydro unit> <Outdoor unit> <Hot water cylinder>...

  • Page 2: Table Of Contents

    Engineering Data Book Air to Water Heat Pump Contents 1. INTRODUCTION ............2 2.

  • Page 3: Introduction

    1. INTRODUCTION...
  • Page 4 Air-to-water Heat Pump System ambient thermal heat from outside air to heat water indoors. Based on Toshiba’s proven light commercial air conditioning system, the Super Digital Inverter, this innovative unit features DC twin rotary compressor, DC inverter and R410A refrigerant, providing the highest coefficient of performance (COP) in its class.
  • Page 5 Estía uses high quality components and material which contribute to the overall savings in energy consumption. With the Toshiba advanced inverter, Estía air to water heat pump system only delivers the heating capacity required; thus consuming only the necessary electricity.
  • Page 6 Toshiba control balances the energy source in the fuel boilers, Toshiba Estía air to water heat pump system can be most efficient way. combined with the existing heating system to cover exclusively and in an optimized way all the heating needs, all year round.

  • Page 7: System Overview

    2. SYSTEM OVERVIEW...

  • Page 8: System Combination

    Engineering Data book 2.SYSTEM OVERVIEW 2-1. System Combination Combination Outdoor unit HWS-802H-E HWS-1102H-E HWS-1402H-E HWS-802XWHM3-E – – HWS-802XWHT6-E – – Hydro unit HWS-1402XWHM3-E – HWS-1402XWHT6-E – HWS-1402XWHT9-E – Hot water cylinder HWS-1501 HWS-2101 HWS-3001 HWS-1501 HWS-2101 HWS-3001 CSHM3-E CSHM3-E CSHM3-E...

  • Page 9: Outdoor Unit

    Engineering Data book 2.SYSTEM OVERVIEW 2-3. Outdoor Unit Outdoor unit HWS-802H-E HWS-1102H-E HWS-1402H-E Type Inverter Function Heating & Cooling Capacity (kW) 11.2 14.0 Heating Input (kW) 1.96 2.40 3.15 4.08 4.66 4.45 Capacity (kW) 10.0 11.0 Cooling Input (kW) 2.13 3.52 4.08 2.82...

  • Page 10: System Specification

    3. SYSTEM SPECIFICATION...
  • Page 11 Engineering Data book 3.SYSTEM SPECIFICATION Outdoor unit HWS-802H-E HWS-1102H-E HWS-1402H-E Hydro unit HWS-802XWH**-E HWS-1402XWH**-E Capacity 11.2 14.0 Rated heating Power input 1.96 3.15 condition TO (DB/WB)=7/6°C 4.08 4.66 4.45 LWT=35°C dT=5deg Rated water flow /min 22.9 32.1 40.1 Capacity 11.2 14.0 Rated heating Power input...

  • Page 12: Hydro Unit

    4. HYDRO UNIT...

  • Page 13: Specification

    Engineering Data book 4.HYDRO UNIT 4-1. Specification 4-1-1. Hydro unit specifications HWS- HWS- Hydro unit 1402XWHM3-E 1402XWHT6-E 1402XWHT9-E 802XWHM3-E 802XWHT6-E back up heater Back up heater Power supply 1 ~ 230V 50Hz 3N~ 400V 50Hz 1 ~ 230V 50Hz 3N~ 400V 50Hz 3N~ 400V 50Hz Maximum current 13 (13A*2P) 13 (13A*2P)
  • Page 14 Engineering Data book 4.HYDRO UNIT 4-1-2. Power Wiring specifications Installation fuse Connection Description POWER SUPPLY Maximum current Cable size rating destination 14 kW 230 V ~ 50 Hz 22.8 A 25 A 2.5 mm² or more Outdoor unit 11 kW 230 V ~ 50 Hz 22.8 A 25 A...
  • Page 15 Engineering Data book 4.HYDRO UNIT 4-1-6. External Input specifications Description Input Maximum length Emergency stop control Non-voltage 12 m Cooling thermostat input Non-voltage 12 m Heating thermostat input Non-voltage 12 m...

  • Page 16: Dimension

    Engineering Data book 4.HYDRO UNIT 4-2. Dimension ▼Hydro unit 2-dia.12x17 long hole (for dia.8-10 anchor bolt) 371.5 72.5 72.5 B leg part Anchor bolt long hole pitch Manometer Remote controler 2-dia.12x17 U-shape hole A leg part (for dia.8-10 anchor bolt) Hot water outlet 19.5 connecting pipe 1 1/4"...
  • Page 17 Engineering Data book 4.HYDRO UNIT ▼External output board (TCB-PCIN3E) Size (mm) : H22 x L73 x W79 4- 4Øhole Weight (g) : 57 Terminal ( Screw M3 ) ▼External input board (TCB-PCMO3E) Size (mm) : H18 x L55.5 x W60 4-Ø4 hole Terminal (Screw M3) Weight (g) : 20...

  • Page 18: Piping Diagram

    Engineering Data book 4.HYDRO UNIT 4-3. Piping Diagram Water system diagram...
  • Page 19 Engineering Data book 4.HYDRO UNIT Refrigeration cycle system diagram...

  • Page 20: Wiring Diagram

    (3-wire SPST type) (BLU) (YEL) (BLU) (GRN) (WHI) 250V~ HWS-1402XWHT6-E : Installed HWS-1402XWHT9-E : Installed HWS-802XWHM3-E : Not installed HWS-1402XWHM3-E : Not installed TB 05 TB 04 *See DIP SW13_1 MIXV Type 2 Type 2 (3-wire SPST type) (3-wire SPDT type)
  • Page 21 Engineering Data book 4.HYDRO UNIT , and indicates the terminal board and the numberals indicate the terminal numbers. indicates P.C. board. * Be sure to fix the electric parts cover surely with screws. (Otherwise water enters into the box resulting in malfunction.) 4-4-2.
  • Page 22 Engineering Data book 4.HYDRO UNIT MIXV TB 05 TB 04 TB02 TB03 Don't apply 220-240V HOT WATER CYLINDER breakdown TB 06 TB 01 TB 03 TB 02 will occur. TB01 Input Input Input to Outdoor unit water power power power cylinder 230 V ~ 400 V 3N ~...
  • Page 23 Engineering Data book 4.HYDRO UNIT 4-4-3. Control line Mixing-Valve Mixing-Valve type 1 type 2 for 2 zone for 2 zone control control Max 12 m Temp sensor in hot 230 V 100 mA water cylinder 0.75 mm² or more Pump (local) 1 2 3 4 Max 5 m shield wire 0.75 TB04...
  • Page 24 Engineering Data book 4.HYDRO UNIT Electrical connection for external additional pumps Pump Terminal Block 05 3-way valve (diverter) connection Required Valve Specification: Electrical Specification: 230 V; 50 Hz; <100 mA Valve Diameters: Port A, Port B: Ø 1 1/4" Return Mechanism: 3 types of 3-way valve (diverter) can be used. Set the 3-way valve in use with the DIP switch SW13-1 on the Hydro Unit board.
  • Page 25 Engineering Data book 4.HYDRO UNIT 3-way mixing valve connection Required Actuator Specification Electrical Specification:230 V; 50 Hz; <100 mA The 3-way mixing valve is used to achieve the temperature differential needed in a 2-zone heating system. • Connect the 3-way mixing valve to terminals 2, 3 and 4 on Terminal Block 04 (for Type 1 mixing valve) or on terminals 1, 2 and 3 on Terminal Block 04 (for Type 2 mixing valve).

  • Page 26: Capacity Tables

    Engineering Data book 4.HYDRO UNIT 4-5. Capacity Tables ▼Outdoor unit HWS-802H-E Hydro unit HWS-802XWH**-E Rated heating capacity and power input Capacity Rated condition 1 Power input 1.96 TO (DB/WB)=7/6°C LWT=35°C 4.08 dT=5deg Rated water flow rate /min 22.9 Capacity Rated condition 2 Power input 2.40 TO (DB/WB)=7/6°C...
  • Page 27 Engineering Data book 4.HYDRO UNIT Average heating capacity and power input Capacity (kW) LWT (°C) 3.93 3.83 3.74 — — — 4.66 4.54 4.44 — — — 5.45 5.30 5.15 4.99 — — 6.24 6.11 5.97 5.84 5.69 — 6.86 6.75 6.64 6.52...
  • Page 28 Engineering Data book 4.HYDRO UNIT Heating peak capacity and power input Capacity (kW) LWT (°C) 4.11 4.01 3.92 — — — 4.87 4.74 4.62 — — — 6.25 6.08 5.92 5.74 — — 7.22 7.00 6.80 6.59 6.37 — 8.17 7.91 7.67 7.43...
  • Page 29 Engineering Data book 4.HYDRO UNIT ▼Outdoor unit HWS-802H-E Hydro unit HWS-802XWH**-E Rated cooling capacity and power input Capacity Rated condition 1 Power input 2.13 TO=35°C LWT=7°C 2.82 dT=5deg Rated water flow rate /min 17.2 Capacity Rated condition 2 Power input 1.42 TO=35°C LWT=18°C...
  • Page 30 Engineering Data book 4.HYDRO UNIT Cooling capacity and power input Capacity (kW) LWT (°C) 7.36 8.05 8.81 9.25 10.03 6.76 7.39 8.09 8.49 9.21 6.46 7.06 7.73 8.12 8.80 (°C) 6.00 6.56 7.18 7.54 8.18 5.50 6.01 6.58 6.91 7.49 4.62 5.00 5.44...
  • Page 31 Engineering Data book 4.HYDRO UNIT Heating capacity and input specifications ▼Outdoor unit HWS-1102H-E Hydro unit HWS-1402XWH**-E Rated heating capacity and power input Capacity 11.2 Rated condition 1 Power input TO (DB/WB)=7/6°C LWT=35°C 4.66 dT=5deg Rated water flow rate /min 32.1 Capacity 11.2 Rated condition 2...
  • Page 32 Engineering Data book 4.HYDRO UNIT Average heating capacity and power input Capacity (kW) LWT (°C) 5.66 5.48 5.34 — — — 7.09 6.86 6.69 — — — 8.68 8.40 8.19 8.02 — — 10.23 9.90 9.65 9.46 9.07 — 10.90 10.55 10.28 10.08...
  • Page 33 Engineering Data book 4.HYDRO UNIT Heating peak capacity and power input Capacity (kW) LWT (°C) 6.64 6.48 6.37 — — — 8.07 7.86 7.71 — — — 10.40 10.10 9.89 9.69 — — 12.04 11.68 11.41 11.18 10.73 — 13.41 12.98 12.65 12.40...
  • Page 34 Engineering Data book 4.HYDRO UNIT ▼Outdoor unit HWS-1102H-E Hydro unit HWS-1402XWH**-E Rated cooling capacity and power input Capacity 10.0 Rated condition 1 Power input 3.52 TO=35°C LWT=7°C 2.84 dT=5deg Rated water flow rate /min 28.7 Capacity Rated condition 2 Power input 2.35 TO=35°C LWT=18°C...
  • Page 35 Engineering Data book 4.HYDRO UNIT Cooling capacity and power input Capacity (kW) LWT (°C) 12.78 13.64 14.99 16.03 16.98 11.60 12.38 13.61 14.55 15.42 11.03 11.77 12.94 13.83 14.66 (°C) 10.00 10.67 11.73 12.54 13.29 8.96 9.56 10.51 11.24 11.91 6.89 7.35 8.08...
  • Page 36 Engineering Data book 4.HYDRO UNIT ▼Outdoor unit HWS-1402H-E Hydro unit HWS-1402XWH**-E Rated heating capacity and power input Capacity 14.0 Rated condition 1 Power input 3.15 TO (DB/WB)=7/6°C LWT=35°C 4.45 dT=5deg Rated water flow rate /min 40.1 Capacity 14.0 Rated condition 2 Power input 3.95 TO (DB/WB)=7/6°C...
  • Page 37 Engineering Data book 4.HYDRO UNIT Average heating capacity and power input Capacity (kW) LWT (°C) 6.43 6.18 5.94 — — — 8.26 7.94 7.64 — — — 9.75 9.37 9.01 8.24 — — 11.37 10.93 10.52 9.61 8.66 — 12.03 11.56 11.12 10.17...
  • Page 38 Engineering Data book 4.HYDRO UNIT Heating peak capacity and power input Capacity (kW) LWT (°C) 7.12 6.90 6.69 — — — 9.36 9.05 8.76 — — — 12.15 11.72 11.32 10.35 — — 14.09 13.57 13.08 11.96 10.78 — 15.35 14.75 14.19 12.97...
  • Page 39 Engineering Data book 4.HYDRO UNIT ▼Outdoor unit HWS-1402H-E Hydro unit HWS-1402XWH**-E Rated cooling capacity and power input Capacity 11.0 Rated condition 1 Power input 4.08 LWT=7°C 2.69 dT=5deg Rated water flow rate /min 31.5 Capacity Rated condition 2 Power input 2.65 LWT=18°C 4.15...
  • Page 40 Engineering Data book 4.HYDRO UNIT Cooling capacity and power input Capacity (kW) LWT (°C) 13.95 15.48 16.82 17.53 18.34 12.60 13.98 15.19 15.83 16.56 12.01 13.33 14.49 15.10 15.80 (°C) 11.00 12.21 13.27 13.83 14.47 8.83 9.80 10.65 11.10 11.62 6.81 7.56 8.21...

  • Page 41: Water Pump Specifications

    Engineering Data book 4.HYDRO UNIT 4-6. Water Pump Specifications Pump operation/configuration Hydraulic heat exchanger (14 kW) QH characteristics Minimum flow rate Out of Operation Range Flow rate ( /min) Hydraulic heat exchanger (8 kW) QH characteristics Minimum flow rate SW 3 SW 2 Out of Operation Range...

  • Page 42: Options

    Engineering Data book 4.HYDRO UNIT 4-7. Options Optional parts Part name Model name Application Remarks Boiler-linked output, Alarm output Up to two boards (according External output board TCB-PCIN3E Defrost signal output, Compressure operation signal to applications) output Cooling/heating thermostat input Up to two boards (according External input board TCB-PCMO3E...
  • Page 43 Engineering Data book 5.OUTDOOR UNIT ▼External input board Feature * “TCB-PCMO3E“ is used for the following external master controls. 1. Cooling / Heating thermostat input 2. Forced - stop signal input Refer to “Function/Electric wiring diagram“ for feature of each control because connection is different according to the control.

  • Page 44: Outdoor Unit

    5. OUTDOOR UNIT...

  • Page 45: Specification

    Engineering Data book 5.OUTDOOR UNIT 5-1. Specification Outdoor unit HWS-802H-E HWS-1102H-E HWS-1402H-E Power supply 1 ~ 230V 50Hz Type Hermetic compressor Compressor Motor 3.75 3.75 Pole Refrigerant charged Refrigerant control Pulse motor valve Minimum Pipe length Standard Maximum Height difference Outdoor-Hydro unit Color Silky shade (Muncel 1Y8.5-0.5)

  • Page 46: Dimension

    Engineering Data book 5.OUTDOOR UNIT 5-2. Dimension 5-2-1. HWS-802H-E Unit: mm...
  • Page 47 Engineering Data book 5.OUTDOOR UNIT 5-2-2. HWS-1402H-E Unit: mm...

  • Page 48: Piping Diagram

    Engineering Data book 5.OUTDOOR UNIT 5-3. Piping Diagram...

  • Page 49: Wiring Diagram

    Engineering Data book 5.OUTDOOR UNIT 5-4. Wiring Diagram 5-4-1. Outdoor Unit Reactor Reactor (Red) (White) (Black) (Gry) (Gry) (White) (White) P04 P05 CN200 CN201 CN202 CN300 (White) * HWS-1102H-E CN400 FM01 HWS-1402H-E (White) CN300 Control P.C. board FM02 (White) MCC-1571 CN609 (Blue) SW804...
  • Page 50 Engineering Data book 5.OUTDOOR UNIT 5-4-2. Power line Hot water cylinder Leakage Input power for breaker 30 Input power Leakage cylinder heater 230 V ~ 50 Hz breaker 30 230 V ~ 50 Hz Outdoor unit Hydro unit 5-4-3. Wiring between Hydro Unit and Outdoor Unit Leakage Input power breaker...

  • Page 51: Sound Data

    Engineering Data book 5.OUTDOOR UNIT 5-5. Sound Data 5-5-1. Sound pressure level measurement ▼HWS-802H-E microphone 1.5m 1.0m ▼HWS-1102H-E, HWS-1402H-E microphone 1.5m 1.0m...
  • Page 52 Engineering Data book 5.OUTDOOR UNIT 5-5-2. Sound Characteristics (NC Curve) ▼HWS-802H-E (8 kw, 230 V ~ 50Hz) HWS-802H-E Heating Cooling Heating Sound pressure level (dB(A)) Cooling NC-70 NC-60 NC-50 NC-40 NC-30 NC-20 1000 2000 4000 8000 Octave band centre frequency (Hz)
  • Page 53 Engineering Data book 5.OUTDOOR UNIT ▼HWS-1102H-E (11 kw, 230 V ~ 50Hz) HWS-1102H-E Heating Cooling Heating Sound pressure level (dB(A)) Cooling NC-70 NC-60 NC-50 NC-40 NC-30 NC-20 1000 2000 4000 8000 Octave band centre frequency (Hz)
  • Page 54 Engineering Data book 5.OUTDOOR UNIT ▼HWS-1402H-E (14kw, 230 V ~ 50Hz) HWS-1402H-E Heating Cooling Heating Sound pressure level (dB(A)) Cooling NC-70 NC-60 NC-40 NC-30 NC-20 1000 2000 4000 8000 Octave band centre frequency (Hz)

  • Page 55: Operation Range

    Engineering Data book 5.OUTDOOR UNIT 5-6. Operation Range Heating operation Back up Heater Operation only Leaving Water temperature (°C) T = 5 deg Cooling operation Leaving Water temperature (°C) T = 5 deg...
  • Page 56 Engineering Data book 5.OUTDOOR UNIT Hot water operation Back up Heater Operation only Leaving Water temperature (°C) T = 5 deg NOTE Hot water produced only by cylinder heater when both cooling and hot water operation demanded.

  • Page 57: Hot Water Cylinder

    6. HOT WATER CYLINDER...

  • Page 58: Specification

    Engineering Data book 6.HOT WATER CYLINDER 6-1. Specification Hot water cylinder specifications HWS-1501 HWS-2101 HWS-3001 HWS-1501 HWS-2101 HWS-3001 Hot water cylinder CSHM3-E CSHM3-E CSHM3-E CSHM3-UK CSHM3-UK CSHM3-UK Water volume litres Color White Appearance Material Plastic coated steel Cylinder Material Stainless steel Material Flame retardent expanded polyurethane foam Insulation...

  • Page 59: Dimension

    Engineering Data book 6.HOT WATER CYLINDER 6-2. Dimension General dimensions and performance Ø550 HWS-1501CSHM3-E HWS-2101CSHM3-E HWS-3001CSHM3-E MODEL HWS-1501CSHM3-UK HWS-2101CSHM3-UK HWS-3001CSHM3-UK NOMINAL CAPACITY (litres) A (mm) B (mm) C (mm) 1184 1474 D (mm) 1090 1474 2040 SURFACE AREA (sq.m) 0.65 0.79 0.79 HOT WATER OUTPUT...

  • Page 60: Piping Diagram

    Engineering Data book 6.HOT WATER CYLINDER 6-3. Piping Diagram ▼HWS-1501CSHM3-E, HWS-2101CSHM3-E, HWS-3001CAHM3-E COLD WATER INLET ISOLATING VALVE SAFETY GROUP NF7 BAR SANITARY WATER EXPANSION VESSEL DISCHARGE PIPE PRIMARY CIRCUIT RETURN PRIMARY CIRCUIT FLOW HOT WATER OUTLET SANITARY WATERRE- CIRCULATION CONNECTION ▼HWS-1501CSHM3-UK, HWS-2101CSHM3-UK, HWS-3001CSHM3-UK EXPANSION COLD WATER...
  • Page 61 Engineering Data book 6.HOT WATER CYLINDER Typical discharge pipe arrangement (extract from Building Regulation G3 Guidance section 3.9) Safety device (e.g. Temperaturerelief valve) Metal discharge pipe (D1) from Temperature relief valve to tundish Tundish 500 mm maximum 300 mm Discharge below minimum fixed grating (Building Regulation...

  • Page 62: Wiring Diagram

    Engineering Data book 6.HOT WATER CYLINDER 6-4. Wiring Diagram ▼HWS-1501CSHM3-E, HWS-2101CSH3-E, HWS-3001CSHM3-E HWS-1501CSHM3-UK, HWS-2101CSHM3-UK, HWS-3001CSHM3-UK Electrical Connections (Schematic) Double pole thermal cut-out Blue Blue Brown Brown TBO3 (230V) Sensor Green/ Yellow TBO6 (TTW) TTW sensor Hot water 230V~ Mains supply TO Hydro unit cylinder heater from hidro unit.

  • Page 63: Hydro Unit Installation Manual

    7. HYDRO UNIT INSTALLATION MANUAL...

  • Page 64: Installation Manual

    AIR TO WATER HEAT PUMP Installation manual Hydro Unit Model name: HWS-802XWHM3-E HWS-802XWHT6-E HWS-1402XWHM3-E HWS-1402XWHT6-E HWS-1402XWHT9-E...
  • Page 65 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Please read this Installation Manual carefully before installing the Air to Water Heat Pump. • This Manual describes the installation method of the hydro unit. • For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit. ADOPTION OF NEW REFRIGERANT This Air to Water Heat Pump is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer.

  • Page 66: General Information

    7. HYDRO UNIT INSTALLATION MANUAL GENERAL INFORMATION Hydro Unit Description Hydro Unit Model Description HWS-802XWHM3-E 8 kW Hydro Unit (3 kW 230 V ~ back up heater) HWS-802XWHT6-E 8 kW Hydro Unit (6 kW 400 V 3N ~ back up heater) HWS-1402XWHM3-E 11 &...

  • Page 67: Accessory Parts

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL ACCESSORY PARTS Parts name Quantity Parts name Quantity Installation manual (this document) Insulator for cooling Owner’s manual PREPARATIONS FOR INSTALLATION Parts required to connect this product (Common items) Category Part Specification Quantity Strainer (water filter) 1 1/4"...

  • Page 68: Precautions For Safety

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Optional Parts Part name Model name Application Remarks Boiler-linked output, Alarm output External output Up to two boards TCB-PCIN3E Defrost signal output, compressor operation board (according to applications) signal output Cooling/heating thermostat input External input Up to two boards TCB-PCMO3E...
  • Page 69 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL WARNING Installation Precautions • Ask an authorized dealer or qualified installation professional to install/maintain the Air to Water Heat Pump System. Inappropriate installation may result in water leaks, electric shock or fire. •...

  • Page 70: Example Of Hydro Unit Installation

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL EXAMPLE OF HYDRO UNIT INSTALLATION Example of Installation for Cooling and Heating When both cooling and heating are used, install a 2-way valve (for cooling) to the pipe to the room for heating only. ▼...
  • Page 71 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Example of 2-Zone Temperature Control and Hot Water Supply System The following shows an example of the 2-zone temperature control. A buffer tank and a water pump are required for the 2-zone temperature control. ▼...

  • Page 72: Main Components Of Hydro Unit

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL MAIN COMPONENTS OF HYDRO UNIT Exploded view and description for Hydro Unit ▼ Fig. 6-01 1 : Expansion vessel 2 : Hi pressure switch (4.15 MPa) 3 : Temperature sensor (for Heat pump outlet -TWO) 4 : Pressure sensor 5 : Heat exchanger 6 : Flow switch (13.0 L/min 17.5 L/min)
  • Page 73 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL E-Box layout ▼ Fig. 6-02 P.C. board MCC-1511 Trans former Relay P.C. board MG-SW (RY04) MCC-1217 Relay (Option) (RY03) MG-SW (RY05) MG-SW (RY02) Relay Relay (RY01) (RY06) Relay P.C. board MCC-1217 (Option) Fuse Relay P.C.

  • Page 74: Hydro Unit Installation

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL HYDRO UNIT INSTALLATION WARNING • To protect yourself from injury, always use PPE (Personal Protective Equipment), that is, wear gloves. • Install the Hydro Unit by at least two persons. • Install the Hydro Unit in a place strong enough to withstand the following weights: Hydro Unit weight with no water 60 kg (802) 65 kg (1402) Hydro Unit weight with full water 80 kg (802) 85 kg (1402) CAUTION...
  • Page 75 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Water pipe Design the water pipe length within the QH characteristics of the pump (Refe to “Fig. 7-16” and “Fig. 7-17” on page 80). The height of the pipe must be 7 m or less. ▼...
  • Page 76 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL The Hydro Unit can be installed directly without using the fixing angles. However, the back side of the Hydro Unit can be highly heated, therefore, the installing surface must be heat- resistant. ▼...
  • Page 77 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Refrigerant Piping WARNING • THIS SYSTEM ADOPTS HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY THE OZONE LAYER. • The characteristics of R410A refrigerant are: ease to absorb water, oxidizing membrane or oil, and its pressure is approximately 1.6 times higher that of R22.
  • Page 78 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Tightening • Connect the refrigerant pipes, from the outdoor unit, to the Hydro Unit as shown below. ▼ Fig. 7-10 Gas line Ø 15.88 Liquid line Ø 9.52 • Align the flare connection on each pipe with the corresponding outlet connection on the Hydro Unit. Tighten the flare nuts, using fingers, to secure the pipes in place.
  • Page 79 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Water circuit • Install a strainer with 30 to 40 meshes (procured locally) at the water inlet of the Hydro Unit. • Install drain cocks (procured locally) for water charge and discharge at the lower part of the Hydro Unit. •...
  • Page 80 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Piping to hot water cylinder (option) Water supplied to the hot water cylinder is branched by a motorized 3-way valve (procured locally). For the specifications of the motorized 3-way valve, refer to “Control parts specifications” on page 84. Connect the hot water cylinder to port A (open when energized) of the valve.
  • Page 81 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Expression for expansion vessel selection V: Necessary total tank capacity ( ) Water expansion coefficient at average hot water temperature Vs: Total water amount in the system P1: System pressure at tank setting position (MPaabs.) (Pipe inner pressure during pump operation before heating device operates = water supply pressure) P2: Maximum pressure used during operation at tank setting position (MPaabs.) (= safety valve setting pressure)
  • Page 82 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Pump operation/configuration ▼ Fig. 7-16 Hydraulic heat exchanger (14 kW) QH characteristics Minimum flow rate Out of Operation Range Flow rate ( /min) ▼ Fig. 7-17 Hydraulic heat exchanger (8 kW) QH characteristics Minimum flow rate SW 3 SW 2...
  • Page 83 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Water charging Charge water until the pressure gauge shows 0.2 MPa (2 bar). Hydraulic pressure may drop when the trial run begins. In that case, add water. Air may enter if the charged hydraulic pressure is low. Loosen the purge valve cap by two turns to release air.

  • Page 84: Electrical Installation

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Electrical Installation WARNING • Ensure electrical circuits are isolated before commencing the electrical installation. • The electrical installation must be completed by a qualified electrician. • The electrical installation must comply to all Local, National and International electrical installation regulations. •...
  • Page 85 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Control line ▼ Fig. 7-20 Mixing-Valve Mixing-Valve type type 2 for 2 1 for 2 zone control zone control Max 12 m Temp sensor in hot 230 V 100 mA water cylinder 0.75 mm²...

  • Page 86: Wiring Specifications

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Electrical supply/cable specifications ▼ Wiring specifications POWER SUPPLY Maximum Installation fuse Connection Description Power wire current rating destination 14 kW 230 V ~ 50 Hz 22.8 A 25 A 2.5 mm² or more Outdoor unit 11 kW 230 V ~ 50 Hz...
  • Page 87 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Maximum Maximum Description Output current voltage length 0.5 A AC230 V 12 m Non-voltage Defrost Output contacts DC24 V 12 m ▼ Input line specifications Description Input Maximum length Emergency stop control Non-voltage 12 m Cylinder thermostat input...
  • Page 88 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL • Ensure the Outdoor Unit to Hydro Unit interconnecting cable is secured using the cable clamp fitted in the electrical box. • Ensure the Outdoor Unit to Hydro Unit interconnecting cable connection terminals are tight. Electrical connection for external booster heater CAUTION •...
  • Page 89 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL 3-way valve (diverter) connection Required Valve Specification: Electrical Specification: 230 V; 50 Hz; <100 mA Valve Diameters: Port A, Port B: Ø 1 1/4" Return Mechanism: 3 types of 3-way valve (diverter) can be used. Set the 3-way valve in use with the DIP switch SW13-1 on the Hydro Unit board.
  • Page 90 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL 3-way mixing valve connection Required Actuator Specification Electrical Specification:230 V; 50 Hz; <100 mA The 3-way mixing valve is used to achieve the temperature differential needed in a 2-zone heating system. • Connect the 3-way mixing valve to terminals 2, 3 and 4 on Terminal Block 04 (for Type 1 mixing valve) or on terminals 1, 2 and 3 on Terminal Block 04 (for Type 2 mixing valve).
  • Page 91 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Hot water cylinder electrical box connections ▼ Fig. 7-31 Hydro unit Additional hydro unit outputs Alarm and Boiler Outputs Alarm Output: L1: Alarm output • Output enabled when the system is in alarm/fault condition. •...
  • Page 92 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Defrost and Compressor operation Outputs Defrost output • Display relay is ON when the system defrost. • Volt free contact AC230 V; 0.5 A (maximum) DC24 V; 1 A (maximum) • Connection details: Terminals 1 and 2 (OPERATION) on MCC-1217 TB (Refer to “Fig. 7-33”) Compressor operation output •...
  • Page 93 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL CAUTION • Be sure to prepare a non-voltage contact for each terminal. • Display Relay capacity of “EMG” and “OPERATION”. Ø = 100 %) Below AC230 V 0.5 A (COS When connecting loads such as relay coil to “L1, L2” load, insert noise surge absorber. Below DC24 V 1 A (Non-inductive load) When connecting load such as relay coil to “L1, L2”...
  • Page 94 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL CAUTION • Be sure to prepare a non-voltage continuous contact for each terminal. • Supplementary Insulation must be added to user touchable part of switches. Electrical safety checks The electrical safety checks must be completed before turning on the electrical supplies to the Air to Water heat pump system.

  • Page 95: Start Up And Configuration

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL START UP AND CONFIGURATION Set the DIP switches and function codes. Setting DIP Switches on the Board in the Hydro Unit • Detach the front cover and the electric parts box cover of the Hydro Unit. •...
  • Page 96 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Setting Function Codes for Hydro Unit and Remote Controller Set function codes for various operation modes with the remote controller. There are two types of setting. 1) Hydro Unit function code setting 2) Remote controller function code setting Setting remote controller mode <Setting Hydro Unit Function Code>...
  • Page 97 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Main setting items (1) Setting Hot Water Temperature Range (function code 18 to 1F) • Set the temperature range for heating (zone 1, zone 2), cooling, and hot water. • The upper-limit and lower-limit temperatures of each mode can be set. (2) Setting Heat Pump Operation Conditions for Hot Water Supply (function code 20 and 21) •...
  • Page 98 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL (9) Setting Frequency of Output to Internal Heater (function code 33 to 34) • The increase/decrease time is used to set the response time. (10)Setting Night Setback (function code 26. remote controller function code 0F to 11) •...
  • Page 99 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Function code settings Function code setting address Function code setting Default Range Unit Unit Note Remote Hydro controller unit 01. Upper-limit temperature for 37 to 55 °C heating Zone 1 02. Lower-limit temperature for 20 to 37 °C heating Zone 1...
  • Page 100 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Function code setting address Function code setting Default Range Unit Unit Note Remote Hydro controller unit 01. Function 0: Invalid, 1: Valid 0, 1 Select 8. Frost Protection 02. Setting temperature 8 to 20 °C 01.
  • Page 101 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Settings by Purpose Settings when hot water supply function is not used • When the hot water supply function is not used, set DIP SW12-1 on the Hydro Unit board to ON. (Refer to page 93.) Setting for cooling •...

  • Page 102: Test Run

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL ▼ Fig. 8-03 ▼ Fig. 8-04 Insulation tube (minimum 1 mm) TFI Sensor Tying up 2 Zone hot water supply pipe More than 4 mm Direct Buffer tank for Zone 2 Under Floor Heating Under-floor Heating (2-Way Valve Control) TEST RUN...

  • Page 103: Maintenance

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL MAINTENANCE Execute periodic maintenance at least once a year. Check points • Check all electrical connections and make adjustments if they are necessary. • Check the water pipes of the heating systems in particular any evidence of leakage. •...

  • Page 104: Troubleshooting

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL TROUBLESHOOTING Fault Symptoms Symptom Possible cause Corrective action Check remote controller operation and temperature Incorrect remote controller setting setting Incorrect function code setting Check function code setting with the function code table. Room is not heated or cooled.
  • Page 105 Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Alarm Alarm description and generation/reset conditions indication Hot water cylinder temperature TTW sensor defect If short-circuit or open-circuit state continues for two seconds, an alarm occurs. Auto-reset: When normal value is confirmed Floor inlet temperature TFI sensor defect If short-circuit or open-circuit state continues for two seconds, an alarm occurs.

  • Page 106: Outdoor Unit Installation Manual

    Engineering Data Book 7. HYDRO UNIT INSTALLATION MANUAL Alarm Main failure part Description indication Outdoor unit discharge When open- or short-circuit of discharge temperature sensor TD is temperature sensor TD defect detected Outdoor unit temperature sensor When open- or short-circuit of heat exchanger temperature sensor TE or TE or TS defect TS is detected Outdoor unit outside air...
  • Page 107 8. OUTDOOR UNIT INSTALLATION MANUAL...
  • Page 108 AIR TO WATER HEAT PUMP Installation manual Outdoor Unit Model name: HWS-802H-E HWS-1102H-E HWS-1402H-E...
  • Page 109 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Please read this Installation Manual carefully before installing the Air to Water Heat Pump. • This Manual describes the installation method of the outdoor unit. • For installation of the hydro unit, follow the Installation Manual attached to the hydro unit. ADOPTION OF NEW REFRIGERANT This Air to Water Heat Pump is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer.

  • Page 110: Accessory Parts And Refrigerant

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL ACCESSORY PARTS AND REFRIGERANT Accessory parts Part name Q’ty Shape Usage Outdoor unit This manual (Hand this directly to the customer.) Installation manual Drain nipple Waterproof rubber cap Protective bush For protecting wires (pipe cover) Guard material for passage For protecting passage part (pipe cover) part...

  • Page 111: Precautions For Safety

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL PRECAUTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECAUTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the important items regarding safety. Observe them without fail.

  • Page 112: Installation Of New Refrigerant Air To Water Heat Pump

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL WARNING • When the Air to Water Heat Pump cannot cool or heat water well, contact the dealer from whom you purchased the Air to Water Heat Pump as refrigerant leakage is considered as the cause. In the case of repair that requires refill of refrigerant, ask service personnel about details of the repair.
  • Page 113 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Required Tools/Equipment and Precautions for Use Prepare the tools and equipment listed in the following table before starting installation work. Newly prepared tools and equipment must be used exclusively. Legend : Prepared newly (Use for R410A only. Do not use for refrigerant R22 or R407C etc..) : Conventional tools/equipment are available Tools/equipment How to use tools/equipment...

  • Page 114: Selection Of Installation

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL SELECTION OF INSTALLATION Before installation Earthing Be careful to the following items before installation. WARNING Make sure that proper earthing is provided. Length of refrigerant pipe Improper earthing may cause electric shock. For how Length of refrigerant to check earthing, contact the dealer who installed the pipe connected to hydro/...

  • Page 115: Installation Place

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Installation Place CAUTION 1. Install the outdoor unit at a place where WARNING discharge air is not blocked. 2. When an outdoor unit is installed in a place that Install the outdoor unit properly at a place that is is always exposed to a strong wind like a coast durable enough to the weight of the outdoor unit.
  • Page 116 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Necessary Space for Installation (Unit:mm) Obstacle at rear side Obstacle at front side ▼ Upper side is free ▼ Upper side is free 1. Single unit installation 1. Single unit installation 2. Obstacles at both right and left sides 2.

  • Page 117: Installation Of Outdoor Unit

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL 2. Serial installation of two or more units • As shown in the figure below, install the foundation and vibration-proof rubbers to directly support the bottom surface of the fixing leg that is in contact with the bottom plate of the outdoor unit.
  • Page 118 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL • In case of draining through the drain hose, attach the following drain nipple and the waterproof rubber cap, and use the drain hose (Inner diam.: 16 mm) sold on the market. And also seal the screws securely with silicone material, etc.

  • Page 119: Refrigerant Piping

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL REFRIGERANT PIPING Knockout of Pipe Cover Supplied protective bush Supplied passage hole guard Rear direction material * Attach the guard material securely so that it does not Pipe cover come loose. Side direction Optional Installation Parts Front direction (Local Procure)
  • Page 120 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Flaring Tightening of Connecting 1. Cut the pipe with a pipe cutter. Part Be sure to remove burrs that may cause gas leak. 1. Align the centers of the connecting pipes and fully 2.
  • Page 121 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL Refrigerant Pipe Length CAUTION Refrigeration pipe 1. Do not put the spanner on the cap or cover. H: max. ±30 m (above/below) The valve may be broken. L: max. 30 m, min. 3 m 2.

  • Page 122: Air Purging

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL AIR PURGING Airtight test Before starting an airtight test, further tighten the spindle valves on the gas side and liquid side. Pressurize the pipe with nitrogen gas charged from the service port to the design pressure (4.15 Mpa) to conduct the airtight test.
  • Page 123 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL How to open the valve Replenishing refrigerant Confirm the structure surely and then open or close the This model is a 30 m chargeless type that does not valve. need to replenish refrigerant for refrigerant pipes up to ▼...

  • Page 124: Electrical Work

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL ELECTRICAL WORK Furthermore, be sure to secure these wires with the WARNING pipe valve fixing plate and cord clamps stored in the electric parts box. 1. Using the specified wires, ensure to connect the wires, and fix wires securely so that the external tension to the wires do not affect the connecting Electric parts box...
  • Page 125 Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL How to wire CAUTION 1. Connect the connecting wire to the terminal as identified with their respective numbers on the • The installation fuse must be used for the power terminal block of hydro and outdoor unit. supply line of this outdoor unit.

  • Page 126: Earthing

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL EARTHING WARNING • Be sure to connect earth wire. (grounding work) Incomplete grounding cause an electric shock. Connect the earth line properly following applicable technical standards. Connecting an earth line is essential to prevent electric shock and to reduce noise and electricity charge on the outdoor unit surface due to high frequency generated by the frequency converter (inverter) in the outdoor unit.

  • Page 127: Functions To Be Implemented Locally

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL FUNCTIONS TO BE IMPLEMENTED LOCALLY Recovering Refrigerant • Use the refrigerant recovery switch SW801 on the P.C. board of the outdoor unit to recover refrigerant when the hydro unit or outdoor unit is moved. Procedure 1.

  • Page 128: Troubleshooting

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL TROUBLESHOOTING You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in addition to check codes displayed on the wired remote controller of the hydro unit. Use the LEDs and check codes for various checks.

  • Page 129: Appendix

    Engineering Data book 8. OUTDOOR UNIT INSTALLATION MANUAL * The LEDs and DIP switches are located at the lower left of the P.C. board of the outdoor unit. SW801 SW800 Enlarged view of LEDs D800 D800 D801 SW804 D801 D802 D802 D803 D804...
  • Page 130 DOLPHIN NV, Fotografi GT Phelan Unit 30 Southern Belgium elaan 12, B-2610, Ireland Cross Business Park Bray Toshiba Carrier UK Ltd Antwerpen Belgium Co Wicklow Ireland Porsham Close, Belliver Ind. Est. Plymouth, Devon, PL6 Carrier Hellas Carrier SpA Via R. Sanzio, 9 Airconditioning S.A.- 4g...
  • Page 131 9. OWNER’S MANUAL...

  • Page 132: Owner's Manual

    AIR TO WATER HEAT PUMP Owner’s Manual Hydro Unit Model name: HWS-802XWHM3-E HWS-802XWHT6-E HWS-1402XWHM3-E HWS-1402XWHT6-E HWS-1402XWHT9-E...
  • Page 133 Engineering Data book 9. OWNER’S MANUAL Thank you very much for purchasing TOSHIBA Air to Water Heat Pump. Please read this owner’s manual carefully before using the system. • Be sure to obtain the “Owner’s manual” and “Installation manual” from constructor (or dealer).

  • Page 134: Safety Precautions

    Engineering Data book 9. OWNER’S MANUAL SAFETY PRECAUTIONS DANGER • DO NOT ATTEMPT TO INSTALL THIS UNIT YOURSELF. • THIS UNIT REQUIRES A QUALIFIED INSTALLER. • DO NOT ATTEMPT TO REPAIR THE UNIT YOURSELF. • THIS UNIT HAS NO COMPONENTS WHICH YOU CAN REPAIR. •...
  • Page 135 Engineering Data book 9. OWNER’S MANUAL CAUTION This appliance is not intended for use by person (including children) with reduced physical sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

  • Page 136: Names And Functions Of Parts

    Engineering Data book 9. OWNER’S MANUAL NAMES AND FUNCTIONS OF PARTS Buttons ▼ Fig. 2-01 1. TEMP. button: Changes the set temperature for 10. NIGHT button: Controls the night set back each operation mode (ZONE1/2 hot operation. water) by 1°C step. Switches setting temperature 11.
  • Page 137 Engineering Data book 9. OWNER’S MANUAL Meaning of Indication ▼ Fig. 2-02 Heating side [ZONE1, 2] Hot water side 18. Indication Description 20. Indication Description Lights when floor heater or radiator is connected (when the system has floor heater or radiator). Lights when hot water supply system is connected (when the system has Lights when controlling the second...
  • Page 138 Engineering Data book 9. OWNER’S MANUAL 19. Indication Description Clock: Displays the current time (AM or PM). Displays days of the week (Sunday to Saturday). Lights when the NIGHT button is pressed and goes out when the button is pressed again. Lights when nighttime quiet operation is set.

  • Page 139: How To Use Functions

    Engineering Data book 9. OWNER’S MANUAL HOW TO USE FUNCTIONS Timer setting Setting temperature • Press the SELECT button to move First, set the current time on the remote controller. and select Procedure to set the current time and day of the week •...

  • Page 140: Hot Water

    Engineering Data book 9. OWNER’S MANUAL • When the TEST button is pressed, the protection operation starts with the set minimum registered data is determined. The unit exits the capacity (target water temperature: 15°C). function code setting mode and “A” appears on the •...
  • Page 141 Engineering Data book 9. OWNER’S MANUAL Hot water boost Schedule timer This function is used when temporarily giving priority to Operations can be scheduled in eight STEPs for each the hot water supply operation. day of the week. The hot water supply operation is performed in preference to other operations with a target of the (Example) preset time (60 minutes) and the preset temperature...
  • Page 142 Engineering Data book 9. OWNER’S MANUAL Setting schedule Set the start time. • Set the start time with the TIME Press the SCHEDULE button for 4 seconds or buttons. more to enter the schedule setting mode. • When the preset start time is retained, the start Perform the following procedure to set the time is displayed.

  • Page 143: User Maintenance

    Engineering Data book 9. OWNER’S MANUAL USER MAINTENANCE Periodic maintenance (once a year) is necessary for this product. Consult the installation company. If a problem occurs, contact the installation company or dealer. AIR TO WATER HEAT PUMP OPERATIONS AND PERFORMANCE 3 minutes protection function 3-minutes protection function prevents the air to water heat pump from starting for initial 3 minutes after the main power switch/circuit breaker is turned on for re-starting the air to water heat pump.

  • Page 144: General Specifications

    Engineering Data book 9. OWNER’S MANUAL General Specifications Outdoor unit HWS-802H-E HWS-1102H-E HWS-1402H-E Type Inverter Function Heating & Cooling Capacity (kW) 11.2 14.0 Heating Input (kW) 1.96 2.40 3.15 4.08 4.66 4.45 Capacity (kW) 10.0 11.0 Cooling Input (kW) 2.13 3.52 4.08 2.82...

  • Page 145: Troubleshooting

    Engineering Data book 9. OWNER’S MANUAL TROUBLESHOOTING If a problem occurs, contact the installation company or dealer. Problem Check Action • Check whether power is supplied. Nothing is displayed on the remote controller. • Is the circuit breaker switch turned on? •...
  • Page 146 Air to Water Heat Pump Engineering Data Book Aug. 2009...

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