Daikin RXYSCQ4TMV1B Installer And User Manual
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Summary of Contents for Daikin RXYSCQ4TMV1B
- Page 1 Installer and user reference guide VRV IV-S system air conditioner Installer and user reference guide RXYSCQ4TMV1B English VRV IV-S system air conditioner RXYSCQ5TMV1B...
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Page 2: Table Of Contents
Table of Contents 6.4.1 About connecting the refrigerant piping ....... 16 Table of Contents 6.4.2 Precautions when connecting the refrigerant piping ..16 6.4.3 Guidelines when connecting the refrigerant piping ..17 6.4.4 Pipe bending guidelines..........17 6.4.5 To flare the pipe end ............ 17 1 General safety precautions 6.4.6 To braze the pipe end .......... -
Page 3: General Safety Precautions
1 General safety precautions 11 Troubleshooting 20.2.5 Symptom: White mist comes out of a unit (Indoor unit) ................56 11.1 Overview: Troubleshooting............36 20.2.6 Symptom: White mist comes out of a unit (Indoor 11.2 Precautions when troubleshooting ..........36 unit, outdoor unit) ............56 11.3 Solving problems based on error codes........ -
Page 4: For The User
▪ If you are not sure how to operate the unit, contact your installer. comply with applicable legislation (on top of the ▪ This appliance can be used by children aged from 8 years and instructions described in the Daikin documentation). above and persons with reduced physical, sensory or mental CAUTION... -
Page 5: Refrigerant
1 General safety precautions ▪ In places where there is machinery that emits electromagnetic ▪ Charge the liquid refrigerant as follows: waves. Electromagnetic waves may disturb the control system, Then and cause malfunction of the equipment. A siphon tube is present Charge with the cylinder upright. -
Page 6: Electrical
Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. The original documentation is written in English. All other languages are translations. Installer and user reference guide... -
Page 7: For The Installer
3 For the installer For the installer CAUTION About the box To avoid injury, do NOT touch the air inlet or aluminum fins of the unit. Overview: About the box Forklift. As long as the unit remains on its pallet, you can also use a forklift. -
Page 8: Identification Label: Outdoor Unit
4 About the units and options 4.2.1 Identification label: Outdoor unit Combining units and options Location 4.5.1 About combining units and options NOTICE To be sure your system setup (outdoor unit+indoor unit(s)) will work, you have to consult the latest technical engineering data for VRV IV-S heat pump. -
Page 9: Preparation
5 Preparation (mm) PC configurator cable (EKPCCAB) You can make several commissioning field settings through a personal computer interface. For this option EKPCCAB is required which is a dedicated cable to communicate with the outdoor unit. user interface software available http:// www.daikineurope.com/support-and-manuals/software-downloads/. -
Page 10: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
If the unit is selected to operate at ambient temperatures lower than –5°C for 5 days or longer, with relative humidity levels exceeding 95%, we recommend to apply a Daikin range specifically designed for such application and/or to contact your dealer for further advice. -
Page 11: Preparing Refrigerant Piping
5 Preparation room which is sufficiently large. This assures that the maximum Where there is a room division, but there is an opening concentration level of refrigerant gas is not exceeded, in the unlikely between the rooms sufficiently large to permit a free flow of air event of major leak in the system and this in accordance to the local back and forth. -
Page 12: To Select The Piping Size
5 Preparation Outer diameter Temper grade Thickness (t) A: Piping between outdoor unit and (first) (Ø) refrigerant branch kit Ø 6.4 mm (1/4") Annealed (O) ≥0.80 mm When the equivalent pipe length between outdoor and indoor units is 9.5 mm (3/8") 90 m or more, the size of the main gas pipe must be increased (size- up). -
Page 13: To Select Refrigerant Branch Kits
5 Preparation 5.3.4 To select refrigerant branch kits Indoor unit capacity index Refrigerant branch kit <162.5 KHRQ22M20T For piping example, refer to "5.3.3 To select the piping size" on page 12. Refnet headers Refnet joint at first branch (counting from outdoor unit) Concerning refnet headers, choose from the following table in accordance with the total capacity of all the indoor units connected When using refnet joints at the first branch counted from the outdoor... -
Page 14: Preparing Electrical Wiring
6 Installation Requirement Limit VRV DX RA DX Maximum height difference BP-BP 15 m ▪ Example 2: H4≤Limit Maximum height difference BP-indoor 5 m ▪ Example 2: H5≤Limit Assume equivalent piping length of refnet joint=0.5 m and refnet header=1 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations). -
Page 15: Opening The Units
6 Installation ▪ Finishing the indoor installation. 6.3.3 To provide the installation structure INFORMATION Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise. For installation of the indoor unit (mounting the indoor unit, connecting the refrigerant piping to the indoor unit, Fix the unit securely by means of foundation bolts in accordance connecting the electrical wiring to the indoor unit …), see... -
Page 16: To Prevent The Outdoor Unit From Falling Over
6 Installation Typical workflow ▪ Install the unit on a base to make sure that there is a proper drainage in order to avoid ice accumulation. Connecting the refrigerant piping involves: ▪ Prepare a water drainage channel around the foundation to drain ▪... -
Page 17: Guidelines When Connecting The Refrigerant Piping
6 Installation 6.4.3 Guidelines when connecting the Conventional flare tool refrigerant piping Flare tool for Clutch type Wing nut type R410A (clutch (Ridgid-type) (Imperial-type) Take the following guidelines into account when connecting pipes: type) ▪ Coat the flare inner surface with ether oil or ester oil when 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm... -
Page 18: To Connect The Refrigerant Piping To The Outdoor Unit
6 Installation To handle the service port Service port and service port cover ▪ Always use a charge hose equipped with a valve depressor pin, Stop valve since the service port is a Schrader type valve. Field piping connection Stop valve cover ▪... -
Page 19: To Connect The Refrigerant Branching Kit
6 Installation Checking the refrigerant piping 6.5.1 About checking the refrigerant piping Refrigerant piping works are Finish piping work. finished? 5 Reattach the service cover and the piping intake plate. 6 Seal all gaps (example: a) to prevent snow and small animals from entering the system. -
Page 20: Checking Refrigerant Piping: General Guidelines
6 Installation For more information on the state of the valves, refer to 3 Should the pressure rise, the system may either contain "6.5.3 Checking refrigerant piping: Setup" on page 20. moisture (see vacuum drying below) or have leaks. To check for leaks: Pressure leak test 6.5.2 Checking refrigerant piping: General guidelines... -
Page 21: Charging Refrigerant
6 Installation ▪ Reinforce the insulation on the refrigerant piping according to the NOTICE installation environment. Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and Ambient Humidity Minimum thickness to protect the compressor. -
Page 22: To Charge Refrigerant
6 Installation Charging refrigerant (in manual additional refrigerant charge Used indoor Total capacity Allowable capacity connection mode) units ratio The remaining additional refrigerant charge can be charged by VRV DX RA DX operating the outdoor unit by means of the manual additional VRV DX 50~130% 50~130%... -
Page 23: Error Codes When Charging Refrigerant
6 Installation User interface NOTICE Power supply wiring (sheathed cable) (230 V) Transmission wiring (sheathed cable) (16 V) After adding the refrigerant, do not forget to close the lid of Power supply 1~ 50 Hz the refrigerant charging port. The tightening torque for the Earth wiring lid is 11.5 to 13.9 N•m. -
Page 24: Guidelines When Knocking Out Knockout Holes
6 Installation WARNING 6.8.3 Guidelines when knocking out knockout holes All field wiring and components must be installed by a licensed electrician and must comply with the applicable NOTICE legislation. Precautions when making knockout holes: WARNING ▪ Avoid damaging the casing. If NOT factory installed, a main switch or other means for ▪... -
Page 25: To Connect The Electrical Wiring On The Outdoor Unit
6 Installation NOTICE Precautions when laying power wiring: ▪ Do not connect wiring of different thicknesses to the TO IN/D TO OUT/D power terminal block (slack in the power wiring may cause abnormal heat). ▪ When connecting wiring which is the same thickness, do as shown in the figure below. -
Page 26: Finishing The Outdoor Unit Installation
7 Configuration Routing through the frame a Power supply cable b Transmission wiring cable Connecting to the When cables are routed from the unit, a 5× frame protection sleeve for the conduits (PG insertions) can be inserted at the knockout hole. -
Page 27: To Access The Field Setting Components
7 Configuration Mode Description Description H1P H2P H3P H4P H5P H6P H7P Mode 2 Mode 2 is used to change the field settings of Setting 8 the system. Consulting the current field setting (field settings) value and changing the current field setting (in mode 2) value is possible. -
Page 28: To Use Mode 2
7 Configuration Example: 7‑LEDs display – Default situation Action Button/display BS3 [1×] You can read out the status of low noise operation as follows: Select value 4 (= 8°C). a: Display the current value. Action Button/display BS2 [X×] b: Change to 4. ("X×" Make sure the LEDs are depends on the current showing the default situation. -
Page 29: Mode 2: Field Settings
7 Configuration Value / Description Setting Value / Description Shows the status of power consumption limitation operation. [1‑5] It can be convenient to check if the total number of indoor units Shows the total number of Unit is currently not operating under power which are installed match the connected indoor units. - Page 30 7 Configuration Setting Value Description (= binary) [2‑20] Deactivated. Manual additional refrigerant charge. (default) Activated. In order to add the additional refrigerant charge amount in a manual way (without automatic refrigerant charging functionality), To stop the manual additional refrigerant following setting should be applied. charge operation (when the required additional refrigerant amount is charged), push BS3.
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Page 31: To Connect The Pc Configurator To The Outdoor Unit
7 Configuration Setting Value Description (= binary) [2‑32] Function not active. Forced, all time, power consumption limitation operation (no (default) external control adaptor is required to perform power consumption Follows [2‑30] setting. limitation). Follows [2‑31] setting. If the system always needs to be running under power consumption limitation conditions, this setting activates and defines the level power consumption limitation that will be applied continuously. -
Page 32: Available Comfort Settings
7 Configuration Hi-sensible/economic (cooling/heating) ▪ In case of cooling operation the evaporating temperature is allowed to go down to 6°C on temporary base depending on the The refrigerant temperature is set higher/lower (cooling/heating) situation. compared to basic operation. The focus under high sensible mode is comfort feeling for the customer. -
Page 33: Example: Automatic Mode During Cooling
7 Configuration 7.3.3 Example: Automatic mode during cooling 7.3.4 Example: Automatic mode during heating 100% 100% 49°C 46°C 6°C 3°C 35°C Actual load curve 2°C Virtual load curve (initial capacity automatic mode) Virtual target value (initial evaporation temperature value Virtual load curve (default automatic mode peak capacity) automatic mode) Load curve Required evaporation temperature value... -
Page 34: Commissioning
8 Commissioning Field wiring Commissioning Be sure that the field wiring has been carried out according to the instructions described in the chapter "6.8 Connecting the electrical wiring" on page Overview: Commissioning according to the wiring diagrams and according to the applicable legislation. -
Page 35: Checklist During Commissioning
9 Hand-over to the user 4 Check the test operation results on the outdoor unit 7‑LEDs Checklist during commissioning display. To perform a test run. Completion Description Normal completion 8.4.1 About test run Abnormal The procedure below describes the test operation of the complete completion Refer to "8.4.3 Correcting after abnormal... -
Page 36: Maintenance Safety Precautions
11 Troubleshooting When vacuuming/recovery mode is used, check very carefully what 10.2 Maintenance safety precautions should be vacuumed/recovered before starting. See installation manual of the indoor unit for more information about vacuuming and DANGER: RISK OF ELECTROCUTION recovery. DANGER: RISK OF BURNING 10.4.1 To use vacuum mode 1 When the unit is at standstill, activate setting [2‑21] to start... -
Page 37: Error Codes: Overview
11 Troubleshooting 11.3.1 Error codes: Overview Main code Cause Solution ▪ The stop valve of an outdoor unit is left closed. ▪ Open the stop valve on both the gas and liquid side. ▪ Refrigerant overcharge ▪ Recalculate the required amount of refrigerant from the piping length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine. -
Page 38: 12 Disposal
12 Disposal Main code Cause Solution ▪ The stop valve of an outdoor unit is left closed. ▪ Open the stop valve on both the gas and liquid side. ▪ The piping and wiring of the specified indoor unit are not ▪... -
Page 39: Overview: Technical Data
13 Technical data Technical data 13.1 Overview: Technical data This chapter contains information about: • Dimensions • Service space • Components • Piping diagram • Wiring diagram • Technical specifications • Capacity table 13.2 Dimensions: Outdoor unit RXYSCQ4+5 (dimensions in mm) 3D089312 Gas pipe connection (Ø15.9 flare) Liquid pipe connection (Ø9.5 flare) -
Page 40: Service Space: Outdoor Unit
13 Technical data 13.3 Service space: Outdoor unit When mounting units side by side, the piping route must be to the front or downwards. In this case the piping route to the side is not possible. Single unit ( ) | Single row of units ( (mm) —... - Page 41 13 Technical data Multiple rows of units ( b (mm) ≥250 ≤½H b≥250 ≥250 ½H <H ≤H b≥300 ≥100 ≥250 >H ≥250 ≥2000 ≥3000 ≥200 ≥250 ≥1000 ≥250 ≥1500 Stacked units (max. 2 levels) ( ≥250 ≥250 ≥500 ≥500 ≥300 ≥1000 ≥250 ≥250...
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Page 42: Components: Outdoor Unit
13 Technical data 13.4 Components: Outdoor unit S1PH Heat exchanger Subcool heat exchanger Switch box cooling Stop valve (liquid) Stop valve (gas) Service port (refrigerant charge) Service port (high pressure) Switch box Cable tie mountings (to fix the field wiring with cable ties to ensure stress relief) Accumulator Printed circuit board (main) -
Page 43: Piping Diagram: Outdoor Unit
13 Technical data 13.5 Piping diagram: Outdoor unit S1NPH S1PH S1NPL Stop valve (gas) Stop valve (liquid) Filter (3×) Subcool heat exchanger Heat sink PCB Fusible plug Pressure regulating valve Heat exchanger Service port (high pressure) Muffler Check valve Compressor accumulator Capillary tube Service port (refrigerant charge) Accumulator... -
Page 44: Wiring Diagram: Outdoor Unit
13 Technical data 13.6 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of the service cover. GRN/YLW 220-240 V 50 Hz Z1C,N=2 Z2C,N=1 (BACK) X37A (FRONT) DETAIL OF ELECTRICAL COMPONENT BOX X98A X99A X37A X504A... - Page 45 13 Technical data E1HC Crankcase heater Fuse F3U, F4U Fuse (T 6.3 A / 250 V) Fuse (T 5.0 A / 250 V) H1P~H8P Light‑emitting diode (service monitor orange) H2P: ▪ Prepare, test: Flickering ▪ Malfunction detection: Light up Light-emitting diode (service monitor is green) Light-emitting diode (service monitor is green) K11M Magnetic contactor...
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Page 46: Technical Specifications: Outdoor Unit
13 Technical data 13.7 Technical specifications: Outdoor unit Technical specifications Specification RXYSCQ4 RXYSCQ5 Casing material Painted galvanised steel Dimensions h×w×d 823×940×460 mm Weight 94 kg Operation range ▪ Cooling (min./max.) –5/46°C ▪ Heating (min./max.) –20/15.5°C Cooling ▪ Capacity 12.1 kW 14.0 kW ▪ EER 3.53 3.29 Heating (maximum) - Page 47 13 Technical data Nominal cooling capacities are based on indoor temperature 27°C DB and 19°C WB, outdoor temperature 35°C DB, equivalent refrigerant piping: 5 m, level difference: 0 m. Nominal and maximum heating capacities are based on indoor temperature 20°C DB, outdoor temperature 7°C DB and 6°C WB, equivalent refrigerant piping: 5 m, level difference: 0 m.
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Page 48: Capacity Table: Indoor Unit
13 Technical data 13.8 Capacity table: Indoor unit Total capacity of indoor units needs to be within the specified range. The connection ratio (CR): 50%≤CR≤130%. HP class of 100% 130% outdoor minimum minimum nominal CR maximum unit CR (RA DX) (VRV DX) 62.5 162.5 NOTICE... -
Page 49: System Layout
14 For the user For the user About the system User interface The indoor unit part of VRV IV-S heat pump system can be used for CAUTION heating/cooling applications. The type of indoor unit which can be Never touch the internal parts of the controller. used depends on the outdoor units series. -
Page 50: Operation Range
17 Operation The indoor unit will stop fan operation, the refrigerant cycle will Operation reverse and energy from inside the building will be used to defrost the outdoor unit coil. The indoor unit will indicate defrost operation on the displays 17.1 Operation range Use the system in the following temperature and humidity ranges for... -
Page 51: Adjusting The Air Flow Direction
17 Operation Result: The operation lamp goes out and the system stops 17.5 Setting the master user interface operating. NOTICE 17.5.1 About setting the master user interface Do not turn off power immediately after the unit stops, but wait for at least 5 minutes. 17.4 Adjusting the air flow direction Refer to the operation manual of the user interface. -
Page 52: About Control Systems
18 Energy saving and optimum operation Several patterns are available and roughly explained below. Contact 17.5.4 About control systems your installer or dealer for advice or to modify the parameters to the This system provides two other control systems beside individual needs of your building. -
Page 53: Maintenance After A Long Stop Period
19 Maintenance and service CAUTION WARNING Pay attention to the fan. The refrigerant in the air conditioner is safe and normally does not leak. If the refrigerant leaks in the room, contact It is dangerous to inspect the unit while the fan is running. with a fire of a burner, a heater or a cooker may result in a Be sure to turn off the main switch before executing any harmful gas. -
Page 54: Shortened Maintenance And Replacement Cycles
20 Troubleshooting Component Inspection Maintenance cycle NOTICE cycle (replacements and/or ▪ The table indicates main components. Refer to your repairs) maintenance and inspection contract for more details. Electric motor 1 year 20,000 hours ▪ The table indicates recommended intervals 25,000 hours replacement cycles. -
Page 55: Error Codes: Overview
20 Troubleshooting Malfunction Measure Main code Contents The system operates ▪ Check if air inlet or outlet of outdoor or Electronic expansion valve malfunction (outdoor) but cooling or heating indoor unit is not blocked by obstacles. Discharge temperature malfunction (outdoor) is insufficient. -
Page 56: Symptom: Fan Operation Is Possible, But Cooling And Heating Do Not Work
20 Troubleshooting the compressor motor, the air conditioner starts 5 minutes after it 20.2.8 Symptom: Noise of air conditioners is turned ON again in case it was turned OFF just before. The (Indoor unit) same starting delay occurs after the operation mode selector button was used. -
Page 57: Stopped
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment not made by Daikin that can be combined with product according instructions accompanying documentation. - Page 60 4P404224-1 2015.03...
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