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- Page 1 INSTALLATION MANUAL WELLEA DF RCW30 AW-WHPMA18-H93 AW-WHPMA22-H93 AW-WHPMA26-H93 AW-WHPMA30-H93 22.AW.WELLEA.DF.IOM.RCW30.EN.01.04...
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Page 3: Table Of Contents
CONTENTS 1 S A FE T Y CON S I DE R ATION S · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 G E N E R AL IN F O R M ATION .................. - Page 4 • 10. 3 I niti al s t ar t - u p a t low ou t d oor a m b ient tem p e ra t ur e • ················································ · 4 3 • 10. 4 P r e -o p e r a ti o n checks ...................... 4 3 •...
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Page 5: 3 . 4 E Rror C O D
,.., "' ·= Wiring diagram: Electric Control System Terminal Block Hydraulic System Q NOTE The picture and function described in this manual contain the backup heater components. V NOTE - Maximum length of communication wirings between the indoor unit and the controller is 50m. - Power cords and communication wiring must be laid out separately, they can not be placed in the same conduit. -
Page 6: Safety Precautions
1 SAFETY PRECAUTIONS The precautions listed here are divided into the following types.They are quite important, so be sure to follow them carefully. Meanings of DANGER, WARNING, CAUTION and NOTE symbols. [IJ INFORMATION • Read these instructions carefully before installation. Keep this manual in a handy for future peference. •... -
Page 7: I Niti Al S T Ar T - U P A T Low Ou T D Oor A M B Ient Tem P E Ra T Ur
it. DANGER • Before touching electric terminal parts, turn off power switch. • When service panels are removed, live parts can be easily touched by accident. • Never leave the unit unattended during installation or servicing when the service panel is removed. •... -
Page 8: General Introduction
• Do not install the unit in the following places: - Where there is mis! of minerai oil, oil spray or vapors. Plastic parts may deteriorate, and cause !hem to corne loose or water to leak. - Where corrosive gases (such as sulphurous acid gas) are produced. Where corrosion of copper pipes or soldered parts may cause refrigerant to leak. -
Page 9: Cooling Mode
• If you add the backup heater in the system, the backup heater can increase the heating capacity during cold outdoor • Solar kil for domestic hot water tank(field supply) temperatures. The backup heater also serves as a backup in case of malfunclioning and for freeze protection of the outside An optional solar kil can be connecled to the unit. -
Page 10: Before Installation
3 ACCESSORIES Accessories supplied with the unit Name Shape Quantity Name Shape Quantity Installation and owner's Y-shape filter � manual(this book) œaat Water outlet connection pipe Operation manual assembly Technical data manual Wired controller Thermistor for domestic hot water Adapter for inlet water pipe tank (T5) * lc::rJ Network matching wire***... -
Page 11: M P O R Tan T In F O R M Atio N F O R T He R E Fr I G E R Ant
5 IMPORTANT INFORMATION FOR THE REFRIGERANT This product has the fluorinated gas, it is forbidden to release to air. Refrigerant type: R32; Volume of GWP: 675. GWP=Global Warming Potential Factory charged refrigerant volume in the unit Madel Refrigerant/kg Tonnes CO2 equivalent 18kW 5.00 3.38... -
Page 12: Selecting A Location In Cold Climates
• Strong winds of 5 m/sec or more blowing against the unit's air outlet causes a short circuit (suction of discharge air), and this may have the following consequences: - Deterioration of the operational capacity. - Frequent frost acceleration in heating operation. - Disruption of operation due to rise of high pressure. -
Page 13: Selecting A Location In Hot Climates
6.2 Selecting a location in hot climates As the outdoor temperature is measured via the outdoor unit air thermistor, make sure to install the outdoor unit in the shade or a canopy should be constructed to avoild direct sunlight, so that it is not influenced by the sun's heat, otherwise protection may be possible to the unit. -
Page 14: D Rain H A L E Po S I T Ion
7 .3 Drain hole position Drain hole Q NOTE lt's necessary to install an electrical heating belt if water can't drain out in cold weather. 7.4 Servicing space requirements 1) Single unit installation (Wall or obstacle) // // /� / ◊... -
Page 15: Typical Applications
8 TYPICAL APPLICATIONS The application examples given below are for illustration only. 8.1 Application 1 Space heating with a room thermostat connected to the unit. -■ ■- -■ ■ - - ■ ■ - - ■ ■- ..=--��: � : (A)'�H-<�-J>l<ll---r--�:--: :----q FHL1... -
Page 16: Applica T Ion 2
Q NOTE Make sure to connect the thermostat wires to the correct terminais, method B should be selected (see "For room thermostat" in 9.7.6 connectlon for other components). To correctly configure the ROOM THERMOSTAT in the FOR SERVICEMAN mode see 10.7 Field settings/ROOM THERMOSTAT. 8.2 Application 2 Space heating without room thermostat connected to the unit. -
Page 17: Applica T Ion 3
• Circulation pump operation The circulation pump (1.7) and (10) will operate as long as the unit is on for space heating. The circulation pump (1.7) will operate as long as the unit is on for heating domestic hot water (DHW). •... -
Page 18: Domestic Water Heating
Coding Assembly unit Coding Assembly unit Outdoor unit P _o: Outside circulation pump (field supply) Manometer Collecter / distributor (field supply) Pressure relief valve Domestic hot water tank (field supply) Expansion vessel 12.1 Air purge valve Plate heat exchanger Heat exchanger coil 12.2 Air purge valve Booster heater... - Page 19 � CAUTION Be sure that the boiler and the integration of the boiler in the system is in accordance with relevant local laws and regula tions. 8.4.1 Application a Boiler provide heat for space heating only "' 14 - □ i i _ �...
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Page 20: Operation
8.4.3 Application c Boiler provide heat for domestic water heating. The ON/OFF of boiler controlled by unit. -�--------+-c ■- -■ · o · ■ □ -■ ■- -■ "' 14 ■- -■ ■- ' .. ______ ) -■ �-- ..-----+�:::�... -
Page 21: Applica T Ion 5
• During heating operation of the unit, the unit will operate to achieve the target water flow temperature set on the user interface. When weather dependent operation is active, the water temperature is determined automatically depending on the outdoor temperature. •... -
Page 22: Applica T Ion 6
Coding Assembly unit Coding Assembly unit Outdoor unit Fill valve (field supply) Manometer Balance tank (field supply) Pressure relief valve Air purge valve Expansion vessel Drain valve Plate heat exchanger Expansion vessel (field supply) Air purge valve P _o: Outside circulation pump (field supply) Collecter/ distributor (field supply) Flow switch Bypass valve (field supply) - Page 23 • The operation and configuration of the field water circuit is the responsibility of the installer. • We only offer a dual set point contrai function. This function allows two set points to be generated. Depending on the required water temperature (floor heating loops and/or fan coil units are required) the first set point or second set point can be activated.
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Page 24: Applica T Ion 7
8. 7 Application 7 The units are installed in parallel and can be used for cooling, heating and hot water. • 6 units can be connected in parallel. Please refer to 9.7 .5 for the parallel system electrical control system connection diagram. •... -
Page 25: Overview Of The Unit
9 OVERVIEW OF THE UNIT 9.1 Disassembling the unit Door 1 To access to the compresser and electrical parts and hydraulic compartment � WARNING • Switch off all power - i.e. unit power supply - before removing doors 1 . •... -
Page 26: Electronic Contrai Box
9.2.2 Hydraulic system diagram Coding Assembly unit Expiai nation Remaining air in the water circuit will be automatically removes Air purge valve air from the water circuit. Expansion vessel Balances water system pressure. (Expansion vessel volume: 8L) Circulation pump Circulates water in the water circuit. Prevents excessive water pressure by opening at 3 bar and Pressure relief valve discharging water from the water circuit. - Page 27 9.3.1 Main control board of indoor unit w-c?- 2 - 4 �LHH�H-!! LJCN21 ------t- 1 LJ CN28 CN16 CN13 CN32 {;JCN15 31- LJCN29 .fil i..!.J CN18 LJCN42 -----t--- LJ ' 1 •• ..1 CN40 � BBB ---+-LJ ..D1S1 CN41 i, ..
- Page 28 9.3.2 lnverter module __ CN16 0� ---c::J- ·t· ·t· •'• •'• ----=- CNs i ! � m � m mm mm CN22 � CN7 � CN15 CN231 � CN12 CN21 CN13 =� � � CN20 Assembly unit Coding Output port for +15V(CN20) Port for communication with PCB B (CN8) Compresser connection port W Compresser connection port V...
- Page 29 9.3.3 Main contrai board of unit l l l I " " CN41 CN26 CN24 �!lM'ffll @ � • � � 1 1 O I • CN18 [l cNS � I E 1 CN31 CN29 œ CN10 CN35 • -rfr s3 �...
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Page 30: Filter Board
9.3.3 Filter board □ CN206 0 CN204 CN205 12----D □ CN202 CN203 CN200 CN201 ! ! ! PCB C Coding Assembly unit Coding Assembly unit Power supply L3(L3) Power supply port for main contrai board(CN30) Power supply L2(L2) Power filtering L 1 (L 1 ') Power supply L 1 (L 1) Power filtering L2(L2') Power supply N(N) -
Page 31: Water Piping
9.4 Water piping Ali piping lengths and distances have been taken into consideration. Requirements Valve The maximum allowed thermistor cable length is 20m. This is the maximum allowable distance between the domestic hot water tank and the unit (only for installations with a domestic hot water tank).The thermistor cable supplied with Thermistor cable length minus 2m the domestic hot water tank is 1 0m in length.ln order to optimize efficiency we... - Page 32 Before continuing installation of the unit, check the following: • The maximum water pressure s 3 bar. ° • The maximum water temperature s ?0 C according to safety device setting. • Always use materials that are compatible with the water used in the system and with the materials used in the unit. •...
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Page 33: Water Circuit Connection
• • Determine the calculated pre-pressure (Pg) for the calculate the pre-pressure of the expansion vessel: corresponding maximum water volume using the Pg(bar) = (H(m)/10+0.3) bar graph below. the expansion vessel equipped in the unit should adjust the pre- pressure also. •... - Page 34 9.4.4 Water circuit anti-freeze protection WARNING lce formation can cause damage to the hydraulic system. Due to the presence of glycol, corrosion of the system is As the outdoor unit may be exposed to sub-zero possible. Uninhibited glycol will turn acidic under the temperatures, care must be taken to prevent freezing of influence of oxygen.
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Page 35: Adding Water
[IJ INFORMATION 2. Freeze protection by freeze protection valves • Protection against bursting: the glycol will prevent About freeze protection valves the piping from bursting, but NOT the liquid inside the When no glycol is added to the water, you can use piping from freezing. -
Page 36: Water Piping Insulation
Q NOTE During filling, it might not be possible to remove all air in the system. Remaining air will be removed through the automatic air purge valves during the first operating hours of the system. Topping up the water afterwards might be required. - Page 37 -■ ■- -■ ■- -■ ■- -■ -■ ■- , 1 ' :_ ê) �' : �--------- K ;----� _- _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ - _ _ _ = _ = _ = _ = _ = _ = _ = _ ::_ = _ = _ = _ = _ = _ = _ = _ = _ = _ = _ = _ = _ = _ - L - - - - - - - - - - �...
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Page 38: Precautions On Wiring Of Power Supply
Q NOTE Please use H07RN-F for the power wire, all the cable are connected to high voltage except for thermistor cable and cable for user interface. • Equipment must be grounded. • Ali high-voltage external load, if it is metal or a grounded port, must be grounded. •... - Page 39 Outdoor unit Power Current Compressor System Voltage Hz Min.(V) Max.(V) MCA(A) TOCA(A) MFA(A) MSC(A) RLA(A) FLA(A) 18kW 380-415 21.0 0.34 22kW 380-415 24.5 0.34 26kW 380-415 27.0 0.34 30kW 380-415 28.5 0.34...
- Page 40 Code Connect to Print Compressor run ① DFT2 Defrost or alarm signal DFT1 Antifreeze E-heating ② tape(external) AHS1 Additional heat source ③ AHS2...
- Page 41 2) For room thermostat a. type 1(RT1) (High voltage) HEAT COOL POWER POWER POWER IN POWER IN Method C Method A Method B b. type 2(RT1) (Low voltage): in main contrai board of hydraulic module CN31 CL COM COOL HEAT POWER POWER POWER IN...
- Page 42 B.1 When unit detect voltage is 230VAC between H and N, unit turn on. B.2 When unit detect voltage is 0VAC between H and N, unit turn off. Q NOTE When ROOM THERMOSTAT is set to YES, the indoor temperature sensor Ta can't be set to valid, unit running only according to T1.
- Page 43 Voltage 220-240VAC Procedure • Maximum running current(A) Connect the cable to the apprapriate terminais as shown in the picture. Wiring size(mm 0.75 • Fix the cable reliably. Contrai port signal type Type 2 5) For tank booster heater: Voltage 220-240VAC Maximum running current(A) TANK BOOST HEATER Wiring size(mm...
- Page 44 10) For defrosting signal output: DFT2 DFT2 Voltage 220-240VAC Maximum running current(A) Wiring size(mm 0.75 Contrai port signal type Type 1 DEFROSTING N PROMPT SIGNAL 11) For wired controller: COMMUNICATION B X Y "PLEASE USE SHIELDED WIRE AND EARTH THE WIRE." Wire type 5 wire shielded cable Q NOTE...
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Page 45: Start-Up And Configuration
,:;-20 1-T!S 2-T!S 3-T!S 4-T!S 5-T!S 6-T!S 7-T!S 8-T!S 1-T!S 2-T!S 3-T!S 4-T!S 5-T!S 6-T!S 7-T!S 8-T!S ,:;-20 1-T!S 2-TIS 3-TIS 4-TIS 5-TIS 6-TIS 7-TIS 8-TIS 1-TIS 2-TIS 3-TIS 4-TIS 5-TIS 6-TIS 7-TIS 8-TIS 10 START-UP AND CONFIGURATION The unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and user expertise. -
Page 46: Dip Switch Settings Overview
-10:s;r4<15 15:s;r4<22 22:s;r4<30 30:s;r4 1-TlS 2-TlS 3-TlS 4-TlS 5-TlS 6-TlS 7-TlS 8-TlS -10:s;r4< 15 15:s;T4<22 22:s;r4<3o 30:s;r4 1-TlS 2-TlS 3-TlS 4-TlS 5-TlS 6-TlS 7-TlS 8-TlS 3.The automatic setting curve for heating mode The automatic setting curve is the ninth curve,the ninth curve can be set as following: T1S (T1S2) T1SETH1 ·······l-······-----... - Page 47 Refer to Refer to Refer to electrically electrically electrically controlled controlled controlled wiring wiring wiring diagram diagram diagram...
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Page 48: Powering Up The Unit
10.5 Powering up the unit When power to the unit is turned on, "1 %-99%" is displayed on the user interface during initialization. During this process the user interface cannot be operated. 10.6 Setting the pump speed The pump speed can be selected by adjusting the red knob on the pump. The notch point indicates pump speed. - Page 49 Code no. Fault Cause Remedy Mains undervoltage Power supply too low on mains Check mains voltage. side Mains overvoltage Power supply too high on Check mains voltage. mains side Turbine operation The pump is driven in reverse Check flow, install non-return (the fluid flows through the valves if necessary pump from the pressure to the...
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Page 50: For Serviceman
Keys Function • Go to the menu structure(on the home page) • Navigate the cursor on the display ◄►▼▲ • Navigate in the menu structure • Adjust settings • Turn on/off the space heating/cooling operation or DHW mode • Turn on/or off functions in the menu structure •... -
Page 51: Dhw Mode Setting
10.7.1 DHW MODE SETTING DHW = domestic hot water 2 COOL MODE SETTING Go to > FOR SERVICEMAN> 1.DHW MODE 2.11 T4C2 25°C SETTING. Press . The following pages will be 2.12 ZONE1 C-EMISSION displayed: 2.13 ZONE2 C-EMISSION DHW MODE SETTING 1.1 DHW MODE ADJUST 1.2 DISINFECT... - Page 52 10.7.6 ROOM THERMOSTAT About ROOM THERMOSTAT The ROOM THERMOSTAT is used to set whether the room thermostat is available. How to set the ROOM THERMOSTAT Go to >FOR SERVICEMAN> 6.ROOM THERMOSTAT. Press . The following page will be displayed:...
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Page 53: Restore Factory Settings
9 SERVICE CALL SETTING PHONE NO. ****************** MOBILE NO. ****************** CONFIRM ADJUST 9 SERVICE CALL PHONE NO. *************** MOBILE NO. ****************** 10.7.7 Other HEATING SOURCE The OTHER HEATING SOURCE is used to set the parameters of the backup heater, additional heating CONFIRM ADJUST sources and solar energy kit. - Page 54 If you select AIR PURGE and is pressed, the following Go to > FOR SERVICEMAN> 11.TEST RUN. page will be displayed : Press . The following page will be displayed: 11 TEST RUN 11 TEST RUN Test run is on. Active the settings and Air purge is on.
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Page 55: Special Function
Go to > FOR SERVICEMAN> 12.SPECIAL 11 TEST RUN FUNCTION. Test run is on. Before floor heating, if a large amount of water remains on Heat mode is on. the floor, the floor may be warped or even rupture during Leaving water temperature is floor heating operation, in order to protect the floor, floor 15°C. -
Page 56: Auto Restart
During preheating for floor, all the buttons except invalid. If you want to turn off the preheating for floor, please press The following page will be displayed: 12.1 PREHEATING FOR FLOOR Do you want to turn off the preheating for floor function? During floor drying, all the buttons except are invalid. - Page 57 10.7.16 CASCADE SET The AUTO RESTART function reapplies the user interface settings at the time of the power supply failure. If this function How to set the CASCADE SET is disabled, when power returns after a power supply failure, Go to >FOR SERVICEMAN>16.CASCADE SET.
- Page 58 10.7.16 Setting parameters The parameters related to this chapter are shown in the table below. Setting Order number Code State Default Minumum Maximum Unit interval DHW MODE Enable or disable the DHW mode:0=NON,1=YES DISINFECT Enable or disable the disinfect mode:0=NON,1=YES DHW PRIORITY Enable or disable the DHW priority mode:0=NON,1=YES PUMP_D...
- Page 59 HEAT MODE Enable or disable the heating mode The refresh time of climate related curves for heating t_T4_FRESH_H hours mode The maximum ambient operating temperature for heating T4HMAX ℃ mode The minimum ambient operating temperature for heating T4HMIN ℃ mode dT1SH The temperature difference for starting the unit (T1) ℃...
- Page 60 12.4 t_DRYUP The day for w arming up during floor drying up The continue days in high temperature during floor 12.5 t_HIGHPEAK drying up The day of dropping temperature during floor drying 12.6 t_DRYD The target peak temperature of w ater flow during 12.7 T_DRYPEAK °C...
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Page 61: Final Checks
11 TEST RUN AND FINAL The following checks must be performed at least once a year by qualified person. CHECKS • Water pressure Check the water pressure, if it is below 1 bar,fill water The installer is obliged to verify correct operation of unit to the system. -
Page 62: Troubleshooting
13 TROUBLE SHOOTING This section provides useful information for diagnosing and correcting certain troubles which may occur in the unit. This troubleshooting and related corrective actions may only be carried out by your local technician. 13.1 General guidelines Before starting the troubleshooting procedure, carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring. - Page 63 Symptom 3: Pump is making noise (cavitation) POSSIBLE CAUSES CORRECTIVE ACTION There is air in the system. Purge air. • Check on the manometer that there is suffici ent water pressure. The water pressure must be > 1 bar (water is cold). •...
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Page 64: Possible Causes
Symptom 8: DHW mode can’t change to Heat mode immediately POSSIBLE CAUSES CORRECTIVE ACTION • Set "t_DHWHP_MAX" to minimum value, the suggested value is 60min. • If circulating pump out of unit is not controlled by unit, try to Heat exchanger for space connect it to the unit. -
Page 65: Error Codes
OPERATION PARAMETER OPERATION PARAMETER OPERATION PARAMETER ° ° FAN SPEED 600R/MIN TW_O PLATE W-OUTLET TEMP. 35 T3 OUTDOOR EXCHARGE TEMP. 5 ° ° T4 OUTDOOR AIR TEMP. IDU TARGET FREQUENCY 46Hz TW_I PLATE W-INLET TEMP. ° ° FREQUENCY LIMITED TYPE T2 PLATE F-OUT TEMP. - Page 66 ERROR MALFUNCTION FAILURE CAUSE CODE AND CORRECTIVE ACTION OR PROTECTION 1 . Check the resistance of the sensor The condenser outlet 2. The T3 sensor connecter is loosen. Reconnect it. 3.The T3 sensor connecter is wet or there is water in. remove refrigerant temperature sensor the water, make the connecter dry.
- Page 67 ERROR MALFUNCTION FAILURE CAUSE CODE OR PROTECTION AND CORRECTIVE ACTION 1.Check the resistance of the sensor. 2.The Tbt 2 sensor connecter is loosen,reconnect it. The balance tank low 3.The Tbt2 sensor connecter is wet or there is water in,remove temp.sensor(Tbt2) fault the water ,make the connecter dry.Add waterproof adhesive.
- Page 68 FAILURE CAUSE ERROR MALFUNCTION CODE OR PROTECTION AND CORRECTIVE ACTION 1.wire doesn'I connect between main control board PCB B and main control board of indoor unit. connect the wire. Communication fault between main control board of hydraulic 2. Whelher lhere is a high magnetic field or high power interfere, such module and main control board PCB B.
- Page 69 ERROR MALFUNCTION FAILURE CAUSE CODE OR PROTECTION AND CORRECTIVE ACTION 1.Check the resistance of the sensor. 2. The Tw2 sensor connector is loosen. Reconnect it. Zone 2 water flow temp. sensor 3.The Tw2 sensor connector is wet or there is water in. (Tw2) fault.
- Page 70 ERROR MALFUNCTION FAILURE CAUSE CODE OR PROTECTION AND CORRECTIVE ACTION Heating mode, DHW mode: 1. The water flow is low; water temp is high, whether there is air in the water system. Release the air. 2. Water pressure is lower than 0.1 Mpa, charge the water to let the pressure in the range of 0.15-0.2Mpa.
- Page 71 ERROR MALFUNCTION FAILURE CAUSE CODE OR PROTECTION AND CORRECTIVE ACTION 1. Power supply voltage of the unit is low, increase the power voltage to the required range. 2. The space between the units is too narrow for heat exchange. lncrease the space between the units. 3.
- Page 72 ERROR MALFUNCTION FAILURE CAUSE CODE OR PROTECTION AND CORRECTIVE ACTION DC compressor inverter module fault DC bus low voltage protection (from inverter module mostly when compressor running) DC bus high voltage protection 1. Check the Heat pump system pressure; from DC driver 2.
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Page 73: E C H N I C A L Sp E C I F I C A T I O N S
14 TECHNICAL SPECIFICATIONS 18kW 22kW 26kW 30kW Unit 380-415V 3N ~ 50Hz Power supply 10.6kW 13.BkW 14.5kW 12.5kW Rated input 16.BA 21.6A 22.BA 19.6A Rated Current Refer to the technical data Norminal capacitv 1129x1558x528 Dimensions (WxHxD)fmml 1220x1735x565 PackinQ (WxHxD)fmml Plate heat exchanger Heat exchanQer Electric heater 3.5L... -
Page 74: 5 I N F O Rm A T I O N S E Rv I C I N G
15 INFORMATION SERVICING 1 ) Checks to the area Prior to beginning work on systems conlaining flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minmised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system. - Page 75 b) Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, excessive number of connections, terminais not made to original specification, damage to seals, incorrect fitting of glands, etc.
- Page 76 • Extreme care shall be taken not to overfill the refrigeration system. • Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site. 17) Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail.
- Page 77 ANNEXA: Refrigerant cycle . - + ® + - . - Cooling + - · Heating Description Description Item Item Refrigerant inlet (liquid pipe) temp. sensor Compressor Refrigerant outlet (gas pipe) temp. sensor 4-WayValve Water outlet temp. sensor Gas-liquid separator Water lnlet temp.
- Page 78 ANNEX B: To install the E-heating tape at the drainage outlet (by client) Connect the wireCeating tape at the drainage outlet to the wire joint XT3. @© " " □ □ @© O O C C O O O O O O C O O 0 ®...
- Page 79 NOTE...
- Page 80 Languages GROUPE AIRWELL 10, RUE DU FORT DE SAINT CYR - 78180 MONTIGNY LE BRETONNEUX, FRANCE TEL.: +33 (0)1 76 21 82 00 - www.airwell.com...
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