Related Manuals for Hitachi RAK-18PSC
Summary of Contents for Hitachi RAK-18PSC
- Page 1 TECHNICAL CATALOGUE MONO SPLIT RAK- 18PSC RAK-25PSC RAK-35PSC C-18WS C-25WSC C-35WSC...
- Page 2 HITACHI Specifications in this catalogue are subject to change without prior notice in order for HITACHI to bring in the latest innovations to their customers Whilst every effort is made to ensure that all dimensions and specifications are correct, any printers’...
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Page 3: Table Of Contents
RAK-18PSC, RAK-25PSC, RAK-35PSC _________________________________________ 7-1 7.2. RAC-18WSC, RAC-25WSC, RAC-35WS _______________________________________ 7-2 REFRIGERANT CYCLE _____________________________________________________ 8-1 8.1. WALL TYPE: RAK-18PSC/25PSC/35PSC / RAC-18WSC/25WSC/35WS _______________ 8-1 CONTROL AND FUNCTION __________________________________________________ 9-1 9.1. WIRELESS REMOTE CONTROL FUNCTION ____________________________________ 9-1 9.2. AUTO CHANGEOVER ______________________________________________________ 9-2 9.3. -
Page 4: Specifications
NOTE: 1. The nominal cooling and heating capacity is the 2. The Sound Pressure Level is based on the following combined capacity of the HITACHI standard split conditions: system, and are based on the ISO 5151. 0.8 meter beneath indoor height center... - Page 5 SPECIFICATIONS 1.2. WALL TYPE (RAC-18WS C/25 C/35 OUTDOOR UNIT RAC-18WSC RAC-25WSC RAC-35WSC Nominal Cooling capacity (min - max) 1.8 ( 0.5 - 2.8 ) 2.5 ( 0.5 - 3.4 ) 3.5 (0.5 - 4.1 ) Nominal Heating capacity (min - max) 2.3(0.6 -4.8) 3.2(0.6 -5.8) 4.0(0.6 - 6.6)
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Page 6: Wall Type (Rak-18Psc/25Psc/35Psc)
DIMENSIONAL DATA 2 DIMENSIONAL DATA 2.1. WALL TYPE: RAK-18PS C/25 C/35 12.7... -
Page 7: Wall Type: Rac-18Wsc/25Wsc/35Wsc
DIMENSIONAL DATA 2.2. WALL TYPE: RAC-18WSC/25WSC/35WSC Unit: mm AIR SUCTION View from the rear Drain hole Drain hole Drain hole... -
Page 8: Capacities Table
CAPACITIES TABLE 3 CAPACITIES TABLE 3.1. CAPACITY CHARACTERISTIC CURVES The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Condition: ①Pipe length / height difference : 5m / 0m ③Capacity loss due to white frost and defrost operation is not included. - Page 9 CAPACITIES TABLE HEATING [50Hz, 230V] INDOOR OUTDOOR TEMPERATURE (°CDB) °C TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 3279 0 1505 3556 0 1591 3738 0 1658 3859 0 1703 4160 0 1779 3235 0 526 3530 0 540 4074...
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Page 10: Correction Factors According To Piping Length
CAPACITIES TABLE 3.2. CORRECTION FACTORS ACCORDING TO PIPING LENGTH Correction Factor for Cooling Capacity according to Correction Factor for Heating Capacity according to Piping Length Piping Length The cooling capacity should be corrected according to the The heating capacity should be corrected according to the following formula: following formula: CCA = CC x F... -
Page 11: Correction Factors According To Defrosting Operation
CAPACITIES TABLE 3.3. CORRECTION FACTORS ACCORDING TO DEFROSTING OPERATION The heating capacity in the preceding paragraph, excludes the condition of the frost or the defrosting operation period. In consideration of the frost or the defrosting operation, the heating capacity is corrected by the equation below. Corrected heating capacity = Defrost Correction factor x unit capacity OUTDOOR TEMPERATURE (°CDB) -
Page 12: Sound Data
SOUND DATA 4 SOUND DATA 4.1. RAC-18WSC COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 47.2 44.8 NC-15 43.7 41.5 38.1 36.9 35.9 34.4 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55... -
Page 13: Rac-25Wsc
SOUND DATA 4.2. RAC-25WSC COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 44.4 44.2 NC-15 41.4 35.6 34.4 33.9 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30... -
Page 14: Rac-35Wsc
SOUND DATA 4.3. RAC-35WSC COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 48.4 NC-20 47.5 45.6 NC-15 39.1 38.2 36.1 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30... -
Page 15: Working Range
WORKING RANGE WORKING RANGE 5.1. POWER SUPPLY Working Voltage 207V ~ 253V Within a 3% Deviation from Each Voltage at the Main Terminal of Voltage Imbalance Outdoor Unit Starting Voltage Higher than 85% of the Rated Voltage 5.2. WORKING RANGE Applicable models: RAC-18WSC RAC-25WSC... -
Page 16: Electrical Data
ELECTRICAL DATA 6.1. INDOOR UNIT Unit Main Power Applicable Current Indoor Fan Motor Model VOL, PH, Hz Fuse Rating (A) RAK-18PSC 230, 1, 50 3.15 (C) 2.32 (H) 2.42 (C) 7.04 (H) 3.83 RAK-25PSC 230, 1, 50 3.15 (C) 3.37(H) 3.53 (C) 9.78 (H) 4.17... -
Page 17: Wiring Diagram
WIRING DIAGRAM 7 WIRING DIAGRAM 7.1. RAK-18PS C, RAK -25PS C, RAK -35PS... -
Page 18: Rac-18Wsc, Rac-25Wsc, Rac-35Ws C
WIRING DIAGRAM 7.2. RAC-18WS C, RAC -25WS C, RAC -35WS... -
Page 19: Refrigerant Cycle
REFRIGERANT CYCLE CYC REFRIGERANT CYCLE 8.1. WALL TYPE: RAK-18PS /25PS /35PS / RAC-18WS /25WS /35WS... -
Page 20: Control And Function
CONTROL AND FUNCTION 9 CONTROL AND FUNCTION 9.1. WIRELESS REMOTE CONTROL FUNCTION BUTTONS FUNCTION MODE Selector Use this button to select the operationg mode. Every time you press this button, the mode will change from cyclically. FAN SPEED Selector Button This determines the fan speed. -
Page 21: Auto Changeover
CONTROL AND FUNCTION 9.2. AUTO CHANGEOVER COOLING/HEATING mode is decided by the room temperature. COOLING/HEATING mode is decided in COOLING/HEATING mode is decided during the initial startup of Automatic Operation intervals after the initial startup of Automatic Initial startup of Automatic Operation means the Operation (also known as Auto Changeover following either condition: function) -
Page 22: Operation Lock
CONTROL AND FUNCTION NOTE: There are total of 7 shift values ranging from -3 to 3. The displayed shift value, symbol on the remote controller display will be disappear after 10 seconds The changed shift value will remain unchanged after turned off the power. If “0”... -
Page 23: Error Code Information
CONTROL AND FUNCTION 9.6. ERROR CODE INFORMATION In case failure occurs to the air conditioner, by pressing (INFO) button, an error code will be displayed. Direct the remote controller towards the receiver of indoor unit (within 2 meters in from of indoor unit) and press (INFO) button. -
Page 24: Additional Function Via Dip-Switch Settings
CONTROL AND FUNCTION 9- 5 9.7. ADDITIONAL FUNCTION VIA DIP-SWITCH SETTINGS A new DIP Switch is available on the PWBs of the indoor unit that provide additional functions via the settings on the switches. Air conditioner Indoor PWB ↕ DIP SW Label 9.7.1. -
Page 25: Option List
OPTION LIST 10-1 10 OPTION LIST 10.1 WIRED REMOTE CONTROL BUTTONS FUNCTION MODE Selector Use this button to select the operationg mode. Every time you press this button, the mode will change from cyclically. FAN SPEED Selector Button This determines the fan speed. Every time you press this button, the airflow rate will change from (This button allows selection of optimal or preferred fan speed for each operation mode). -
Page 26: Error Code Information
OPTION LIST 10-2 10.1.2 ERROR CODE INFORMATION In case failure occurs to the air conditioner, the error code will constantly appear on the wired remote controller display. TIMER LD301 LAMP CODE MEANING BLINKING BLINKING Normal Refrigerant cycle fault 1 time 2 times Outdoor unit is under forced operation Communication error between indoor and outdoor... - Page 27 OPTION LIST 10-3 TIMER LD301 LAMP CODE MEANING BLINKING BLINKING 4 times 6 times OH thermistor temperature rise 4 times 7 times Abnormal outdoor thermistor 4 times 9 times Communication error 4 times 10 times Abnormal power source 4 times 11 times Fan stop for strong wind 4 times...
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Page 28: H-Link Adaptor
Install RAC adaptor in the vertical surface as shown connection by yourself. Contact your distributor or below. dealer of HITACHI and ask then for installation work and electrical wiring by service person. The specified Upper side cable should be used to connect (i) room air conditioner and adaptor, and (ii) controller and adaptor. -
Page 29: Electrical Wiring
Open the cover by removing the ① and ② screws. attach it many times. The adhesiveness has decreased and the RAC adaptor may fall off. – DO NOT apply any force within 24 hours after HITACHI installation. PSC-6RAD • Wiring Connection... -
Page 30: Dip Switch Setting
OPTION LIST 10- 6 iii) Install the electrical box cover paying attention not to clamp the cable. Read the installation CAUTION: manual of each room air-conditioner for – DO NOT turn ON various pins of DSW1 and DSW2 confirming how to connect and how to Set the refrigerant cycle# by RSW1 and DSW1 assemble the cable of the RAC adaptor. -
Page 31: Test Run
OPTION LIST 10- 7 Terminating resistance is set in whole H-LINK system. Indoor Unit# If H-LINK connecting devices like package air- conditioner are connected besides the RAC Adaptor, set the terminating resistance by those connecting devices. The terminating resistance should be set ON in only one position in whole H- LINK system. -
Page 32: Dry Contact Application (Using Dip Switch)
OPTION LIST 10- 8 10.3 DRY CONTACT APPLICATION (USING DIP SWITCH) The dry contact system enables the operation of the air conditioner indoor unit to be controlled by using external dry contacts (with non voltage) such as card-key controller or window for facilities such as hotels. Note: Optional Connecting cord Accessory SPX-WDC3 1) AUTO RESTART function set to "Enable"... - Page 33 OPTION LIST 10- 9 Example of wiring connection to Card Key Unit will be as below (reference only) CARD KEY UNIT (Prepared by INSTALLER) AIR CONDITIONER INDOOR PCB ② Contact with sleeve Dry contact Card sensor indicator DIP SW (DSW1) POWER ①...
- Page 34 HITACHI TC-ERP-Model INDOOR OUTDOOR RAK-18PSC RAC-18WSC RAK-25PSC RAC-25WSC RAK-35PSC RAC-35WSC...