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Airwell Monobloc R32, Installation And Owner'S Manual

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Airwell Monobloc R32 Installation And Owner'S Manual Download Page 3

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11

Final checks
Test run operation (manually)

11.1
11.2

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14.1
14.2

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General guidelines
General symptoms
Operation parameter
Error codes

13.1
13.2
13.3
13.4

Initial start-up at low outdoor ambient temperature
Pre-operation checks
Powering up the unit
Setting the pump speed
Field settings

10.3
10.4
10.5
10.6
10.7

General
Electrical specifications

TEST RUN AND FINAL CHECKS

MAINTENANCE AND SERVICE

TROUBLE SHOOTING

TECHNICAL SPECIFICATIONS

78

15

REPLACEMENT OF SAFETY VALVE

78

16

INFORMATION SERVICING

Summary of Contents for Monobloc R32

Page 1: ...R32 Air to Water Heat Pump INSTALLATION AND OWNER S MANUAL Thank you very much for purchasing our product Before using your unit please read this manual carefully and keep it for future reference IMPORTANT NOTE ...

Page 2: ...cation 4 Application 5 Application 6 Application 7 Application 8 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 Disassembling the unit Main components Electronic control box Water piping Adding water Water piping insulation Field wiring 9 1 9 2 9 3 9 4 9 5 9 6 9 7 Dimensions Installation requirements Drain hole position Servicing space requirements 7 1 7 2 7 3 7 4 7 SAFETY CONSIDERATIONS ACCESSORIES GENERAL INFO...

Page 3: ...ror codes 13 1 13 2 13 3 13 4 Initial start up at low outdoor ambient temperature Pre operation checks Powering up the unit Setting the pump speed Field settings 10 3 10 4 10 5 10 6 10 7 General Electrical specifications TEST RUN AND FINAL CHECKS MAINTENANCE AND SERVICE TROUBLE SHOOTING TECHNICAL SPECIFICATIONS 78 15 REPLACEMENT OF SAFETY VALVE 78 16 INFORMATION SERVICING ...

Page 4: ...ydraulic compartment should connect to the corresponding port in the backup heater kit more details please refer to 9 2 2 Hydraulic system diagram 16 12 14 12 14 16 kW 5 7 9 kW 12 14 16 kW 5 7 9 kW Please remove the hollow plate after installation Wiring diagram 12 16kW 3 phase for example Electric Control System Terminal Block Hydraulic System Refrigerant System Installtion fitting x2 The picture...

Page 5: ...e following types They are quite important so be sure to follow them carefully Meanings of DANGER WARNING CAUTION and NOTE symbols Indicates an imminently hazardous situation which if not avoided will result in death or serious injury DANGER Indicates a potentially hazardous situation which if not avoided could result in death or serious injury WARNING CAUTION Indicates a potentially hazardous sit...

Page 6: ... and fire Make sure all wiring is secure Use the specified wires and ensure that terminal connections or wires are protected from water and other adverse external forces Incomplete connection or affixing may cause a fire When wiring the power supply form the wires so that the front panel can be securely fastened If the front panel is not in place there could be overheating of the terminals electri...

Page 7: ...rson DISPOSAL Do not dispose this product as unsorted municipal waste Collection of such waste seperatelly for special treatment is necessary Do not dispose of electrical appliances as municipal waste use seperate collection facilities Contact your local goverment for information regarding the collection systems available If electrical appliances are disposed of in landfills or dumps hazardous sub...

Page 8: ... of the tank s height The booster heater should be installed below the temperature probe The heat exchanger coil should be installed below the temperature probe The pipe length between the outdoor unit and tank should be less than 5 meters 5 9 kW 12 16 kW Volume of tank L Heat exchanger Stainless steel coil Heat exchanger Enamel coil Volume L Volume L Heat exchange area m2 Heat exchange area m2 Mi...

Page 9: ...kW 12 16kW 5 9kW 55 55 55 55 55 52 53 50 25 29 30 34 35 39 40 43 50 50 48 45 50 48 48 45 The unit have a freeze prevention function that uses the heat pump and backup heater Customized model to keep the water system safe from freezing in all conditions Since a power failure may happen when the unit is unattended It s suggested to use anti freezing flow switch in the water system Refer to 9 4 Water...

Page 10: ...e the grips in the fan grills to avoid damage The unit is top heavy Prevent the unit from falling due to improper inclination during handling CAUTION 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 Refrigerant kg Tonne...

Page 11: ...one that meets with your customer s approval Places that are well ventilated Places where the unit does not disturb next door neighbors Safe places which can bear the unit s weight and vibration and where the unit can be installed at an even level Places where there is no possibility of flammable gas or product leak The equipment is not intended for use in a potentially explosive atmosphere Places...

Page 12: ...t influenced by the sun s heat otherwise protection may be possible to the unit In case of strong wind and the wind direction can be foreseen refer to the figures below for installation of the unit any one is OK Turn the air outlet side toward the building s wall fence or screen Make sure there is enough room to do the installation Set the outlet side at a right angle to the direction of the wind ...

Page 13: ...t the unit may not cause any vibrations or noise during its operation In accordance with the foundation drawing in the figure fix the unit securely by means of foundation bolts Prepare four sets each of Φ10 Expansion bolts nuts and washers which are readily available in the market Screw in the foundation bolts until their length is 20 mm from the foundation surface 7 2 Installation requirements un...

Page 14: ...big drain hole has opened NOTE This drain hole is covered by rubber plug If the small drain hole can not meet the drainage requirements the big drain hole can be used at the same time Drain hole Drain hole This drain hole is covered by rubber plug If the small drain hole can not meet the drainage requirements the big drain hole can be used at the same time 500mm A 200mm A mm 1000 1500 Unit 5 9kW 1...

Page 15: ...00 500 150 150 300 300 2000 1 2 H B2 A B1 C H 500mm 500mm 1 2 H B2 A B1 C H Unit A mm B1 mm B2 mm C mm 5 9kW 12 16kW 2500 1500 1000 300 300 600 600 3000 12 8 1 Application 1 Space heating with a room thermostat connected to the unit The application examples given below are for illustration only 8 TYPICAL APPLICATIONS ...

Page 16: ...rmostat wires to the correct terminals method B should be selected see For room thermostat in 9 7 6 connection for other components To correctly configure the ROOM THERMOSTAT in the FOR SERVICEMAN mode see 10 7 Field settings ROOM THERMOSTAT NOTE 1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 2 3 Outdoor unit Manometer Pressure relief valve Expansion vessel Plate heat exchanger Backup heater Customized model A...

Page 17: ...t is on for heating domestic hot water DHW Space heating 1 The unit 1 will operate to achieve the target water flow temperature set on the wired controller 2 The bypass valve should be selected so that at all times the minimum water flow as mentioned in 9 4Water piping is guaranteed Domestic water heating 1 When the domestic water heating mode is enabled either manually by the user or automaticall...

Page 18: ...1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 2 3 Assembly unit Assembly unit Coding Coding 6 7 8 8 1 8 2 9 10 11 FHL 1 n 12 12 1 12 2 12 3 13 14 15 16 18 4 5 Outdoor unit Manometer Pressure relief valve Expansion vessel Plate heat exchanger Backup heater Customized model Air purge valve Flow switch P_i Circulation pump inside the unit Y shape filter Stop valve field supply Wired controller Drain valve field sup...

Page 19: ...ion 4 Space cooling and heating without a room thermostat connected to the unit The temperature sensor Ta attached in the user interface is used to control the ON OFF of the unit Heating is provided through floor heating loops and fan coil units Cooling is provided through fan coil units only The ON OFF setting of the heating cooling operation cannot be done on the user interface the target outlet...

Page 20: ...t or by an auxiliary boiler connected in the system The unit controlled contact also called permission signal for the auxiliary boiler is determined by the outdoor temperature thermistor located at the outdoor unit See 10 7 Field settings OTHER HEATING SOURCE Bivalent operation is possible for both space heating operation and domestic water heating operation If the auxiliary boiler only provides h...

Page 21: ...e heating only 18 Be sure that the boiler and the integration of the boiler in the system is in accordance with relevant local laws and regula tions CAUTION 1 1 6 1 5 1 4 1 2 1 3 1 8 1 7 1 1 FHL1 FHL2 FHLn 2 3 12 1 12 2 12 3 12 13 14 15 16 16 22 23 11 6 7 8 1 23 1 8 2 8 10 9 4 1 1 6 1 5 1 4 1 2 1 3 1 8 1 7 1 1 FHL1 FHL2 FHLn 2 3 12 1 12 2 12 3 12 13 14 15 16 16 16 22 23 11 6 7 8 1 23 1 8 2 8 10 9 ...

Page 22: ...rain valve Outdoor unit Manometer Pressure relief valve Expansion vessel Plate heat exchanger Backup heater Customized model Air purge valve Flow switch P_i Circulation pump inside the unit Y shape filter Stop valve field supply Wired controller Drain valve field supply Fill valve field supply Balance tank field supply Air purge valve 22 23 23 1 AHS Floor heating loop field supply Expansion vessel field ...

Page 23: ... above 60 C 20 Space heating with two room thermostat application through floor heating loops and fan coil units The floor heating loops and fan coil units require different operating water temperatures The floor heating loops require a lower water temperature in heating mode compared to fan coil units To achieve these two set points a mixing station is used to adapt the water temperature accordin...

Page 24: ...ating from B The outdoor unit will start operating to achieve the target water flow temperature The target water leaving temperature depends on which room thermostat is requesting heating When the room temperature of both zones is above the thermostat set point the outdoor unit and pump will stop operating 1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 2 3 Assembly unit Assembly unit Coding Coding FHL 1 n 4 6 ...

Page 25: ...8 7 Application 7 Dual setpoint function application without room thermostat connect to the outdoor unit Heating is provided through floor heating loops and fan coil units The floor heating loops and fan coil units require different operating water temperatures The floor heating loops require a lower water temperature in heating mode compared to fan coil units To achieve these two set points a mix...

Page 26: ...ded by heat pump domestic hot water heating is provided by heat pump and solar energy kit Pump operation and space heating The pump 1 8 and 10 will operate when there is request for heating from A and or B Pump 23 1 will operate when the room temperature of zone B is lower than the set point which set in the user interface The outdoor unit will start operating to achieve the target water flow temp...

Page 27: ...ve the target water flow temperature The target water can be set in the wired controller If solar energy is set avaliable in the wired controller refer to 10 7 Field settings OTHER HEATING SOURCE the heating of domestic hot water can be done by either the solar energy kit or heat pump when the solar energy kit turns on signal will be sent to the outdoor unit then the pump 27 will operate the heat ...

Page 28: ... also reverse the procedure Be careful to avoid hand injury 12 14 16kW 1 9 6 3 10 6 4 11 13 14 12 2 6 5 4 5 7 8 3 6 1 6 2 WARNING Switch off all power i e unit power supply and backup heater and domestic hot water tank power supply if applicable before removing doors 1 and 2 Parts inside the unit may be hot 5 7 9kW 9 3 10 4 1 7 6 1 6 2 11 8 12 14 13 ...

Page 29: ...6 2 T2 6 3 T1 optional 6 4 TW_out 6 5 TW_in Provides water circuit pressure readout Detects water flow rate to protect compressor and water pump in the event of insufficient water flow Circulates water in the water circuit Transfer heat from the refrigerant to the water Prevents excessive water pressure by opening at 43 5 psi 3 bar and discharging water from the water circuit 9 2 2 Hydraulic syste...

Page 30: ...kW PCB A PCB B 5 7 9kW Main control board of hydraulic module NOTE The standard unit is without backup heater Backup heater kit is an optional part for 5 7 9kw models Backup heater can be integrated in the unit for customized models 12 14 16kW If the backup heater is installed the port CN6 for T1 in the main control board of hydraulic compartment should connect to the corresponding port in the bac...

Page 31: ...sensor CN15 Digital display DIS1 Rotary dip switch S3 Dip switch S1 S2 Output port for deforst CN34 Port for anti freeze eletric heating tape internal CN40 Port for anti freeze eletric heating tape internal CN41 Output port for external heating source Output for operation CN25 Port for anti freeze eletric heating tape HEAT solar energy pump P_S remote alarm ALARM CN27 Port for external circulted p...

Page 32: ...0 Compressor connection port U Compressor connection port V Compressor connection port W Reserved CN302 Port for communication with PCB B CN32 Input port L for rectifier bridge CN501 Input port N for rectifier bridge CN502 9 3 2 1 phase for 5 7 9kW units 1 PCB A Inverter module 1 3 2 16 7 6 5 4 8 9 10 11 12 13 14 15 17 18 19 20 21 22 23 26 25 24 27 28 ...

Page 33: ...r chassis electrical heating tape CN16 optional Port for compressor eletric heating tape 1 CN7 Port for 4 way value CN6 Port for SV6 value CN5 Port for compressor eletric heating tape 2 CN8 Output port L to hydro box control board RL2 Port for sunction temp sensor CN1 1 2 3 4 5 6 7 8 9 Coding 12 11 10 14 13 27 Ourput port L to PCB A CN28 CN9 1 14 13 12 11 10 3 4 5 6 7 8 9 2 Assembly unit Assembly ...

Page 34: ... CN11 Port for communication with hydro box control board CN10 6 Port for IC programming CN300 Port for 4 way value CN13 Port for compressor eletrical heating tape CN14 Input port for transformer CN26 Power supply port for fan CN18 Port for down fan CN19 Port for up fan CN17 Output port for transformer CN51 DIP switch SW3 SW4 Digital display DIS1 Power supply port for hydro box control board CN16 ...

Page 35: ... for electrical expansion value CN22 Port for power supply CN41 Powersupplyportforhydro boxcontrolboard CN61 Out port for PFC contactor coil CN63 Out port for P_line contactor coil CN64 Port for discharge temp sensor CN8 Port for sunction temp sensor CN4 Port for pressure sensor CN36 Power supply port for PCB B CN250 Port for down fan CN19 Port for up fan CN17 Power supply port for module CN70 71 ...

Page 36: ...rols parts for backup heater Reserved Auto thermal protector Manu thermal protector Backup heater contactor KM4 Backup heater circuit breaker CB Backup heater contactor KM1 Backup heater contactor KM2 Coding Assembly unit 1 2 3 4 5 6 Coding Assembly unit 1 2 3 4 5 Auto thermal protector Manu thermal protector Backup heater contactor KM4 Backup heater circuit breaker CB Backup heater contactor KM1 ...

Page 37: ...se as possible to the unit 8 1 8 2 2 3 6 7 8 9 10 11 17 4 The units are equipped with a water inlet and outlet for connection to a water circuit The units should only be connected to closed water circuits Connection to an open water circuit would lead to excessive corrosion of the water piping Only materials complying with all applicable legislation should be used Example If the installation is eq...

Page 38: ... maximum allowed water volume 9 4 2 Water volume and expansion vessel pre pressure checks 12 m 12 m Installation height difference a Water volume 72 L b Water volume 72 L b No pre pressuread justment required Expansion vessel of the unit too small for the installation Actions required Pre pressure must be increased calculate according to Calculating the pre pressure of the expansion vessel below C...

Page 39: ...w the highest point in the water circuit The total water volume in the water circuit is 50 L In this example no action or adjustment is required Example 2 The unit 16kW is installed at the highest point in the water circuit The total water volume in the water circuit is 150 L Result Since 150 L is more than 72 L the pre pressure must be decreased see table above The required pre pressure is Pg bar...

Page 40: ...em the performance of the unit will be affected The correction factor of the unit capacity flow rate and pressure drop of the system is listed in the table below Ethylene Glycol and Propylene Glycol are TOXIC The concentrations mentioned in the table above will not prevent freezing but will prevent the hydraulics from bursting WARNING Ethylene Glycol Propylene Glycol If no glycol is added the wate...

Page 41: ...the valve Make sure the automatic air purge valve is open at least 2 turns Fill with water until the manometer indicates a pressure of approximately 2 0 bar Remove air in the circuit as much as possible using the air purge valves Air in the water circuit could lead to malfunction of the backup electric heater 9 5 Adding water Do not fasten the black plastic cover on the vent valve at the topside o...

Page 42: ... in contact with the piping particularly on the high pressure side Make sure no external pressure is applied to the terminal connectors When installing the ground fault circuit interrupter make sure that it is compatible with the inverter resistant to high frequency electrical noise to avoid unnecessary opening of the ground fault circuit interrupter Fix cables so that cables do not make contact w...

Page 43: ...1 3 4 5 6 7 8 9 10 11 12 13 14 0 0 15 16 17 18 19 20 A B C D E F G H I J K l M N N N N N 2 1 3 4 5 6 7 8 9 10 11 21 22 12 13 14 0 0 15 16 17 18 19 20 A B C D E F G H I J K l M N N N N N N 12 14 16kW 5 7 9kW ...

Page 44: ...al cable AC 2 200mA AC 5 200mA AC 2 or 3 200mA a 2 200mA DC 2 b AC 2 2 200mA a AC 200mA a AC 2 or 3 200mAC DC 2 b AC 2 200mA a AC 2 GND 1 Phase 3 GND 3 Phase 31A 1 Phase 15A 3 Phase 2 GND 1 Phase 3 GND 3 Phase 14A 1 Phase 6A 3 Phase AC Equipment must be grounded All high voltage external load if it is metal or a grounded port must be grounded All external load current is needed less than 0 2A if t...

Page 45: ...ing wiring work and attach the front cover secure ly Follow the electric wiring diagram for electrical wiring works the electric wiring diagrams are located on the rear side of door 2 Install the wires and fix the cover firmly so that the cover may be fit in properly 9 7 4 Specifications of standard wiring components Door 1 compressor compartment and electrical parts XT1 Use the correct screwdrive...

Page 46: ...e a dedicated power circuit for the backup heater Never use a power circuit shared by another appliance Use the same dedicated power supply for the unit backup heater and booster heater domestic hot water tank CAUTION The ground fault circuit interrupter must be a high speed type breaker of 30 mA 0 1 s NOTE 9 7 5 Connection of the backup heater power supply This section is intended only for models...

Page 47: ...35 HBK1 36 HBK2 37 P_d 38 N 39 N 40 L1 26 AHS2 27 R1 28 R2 31 H1 32 H2 29 11 N 12 A1 24 A2 23 N 22 P_s 21 N 20 IBH1 19 N 18 SV2 13 H 14 L1 15 N 16 P_c 17 N CN5 CN7 CN8 CN9 CN9 CN11 CN19 CN10 CN10 CN15 CN16 CN17 14 5 13 1 7 8 6 6 4 3 10 2 XT6 XT7 XT8 XT9 CN18 CN20 CN13 CN14 L1 N 30 9 12 11 14 5 6 1 7 8 6 4 3 10 2 9 13 1 A 2 B 3 X 4 Y 5 E 6 P 7 Q 8 E 9 M1 10 M2 25 R1 29 P_d 30 N 31 DTF1 32 DTF2 26 R...

Page 48: ... 6 For tank loop pump P_d and mix pump P_c P_c N 16 17 PUMPC CONTROL SIGNAL OUTPUT P_d N PUMPC CONTROL SIGNAL OUTPUT 29 30 3 For 2 way valve SV2 SV2 N 18 19 Only a normal closing valve is available for this unit NOTE Control port signal type Voltage Maximum running current A Wiring size mm2 Type 2 220 240VAC 0 2 0 75 a Procedure Connect the cable to the appropriate terminals as shown in the pictur...

Page 49: ...4 L1 provide the 220V voltage to the RT connector Port 14 L1 connect from the unit main power supply port L of 1 phase power supply L2 port of 3 phase power supply Room thermostat type2 RT2 Recommend wire connection method L N provide the power supply to the RT connector directly L connect from the unit main power supply port L of 1 phase power supply L2 of 3 phase power supply There are three met...

Page 50: ...en H and N the unit operates in the heating mode A 3 When unit detect voltage is 0VAC for both side C N H N the unit stop working for space heating or cooling A 4 When unit detect voltage is 230VAC for both side C N H N the unit working in cooling mode Method B RT provide the switch signal to unit user interface FOR SERVICEMAN set ROOM THERMOSTAT and MODE SETTING to YES B 1 When unit detect voltag...

Page 51: ...o the cable tie mountings to ensure stress relief Control port signal type Voltage Maximum running current A Wiring size mm2 Type 2 220 240VAC 0 2 0 75 P_o N 8 9 PUMPO CONTROL SIGNAL OUTPUT IBH1 2 FEEDBACK INPUT SWITCH SIGNAL INPUT HBK1 35 36 HBK2 ATCO RESERVED H1 N 31 39 IBH1 CONTROL SIGNAL OUTPUT H2 N 32 39 IBH2 CONTROL SIGNAL OUTPUT E 13 For defrosting signal output DEFROSTING PROMPT SIGNAL FUS...

Page 52: ...escribed in the table and picture in the next page If dual room thermostat function is enabled only curve 4 can be used for customazition product curve selection is possible even dual room thermalstat function is enabled NOTE As described above during wiring port A in the unit terminal XT6 corresponds to port A in the user interface Port B corresponds to port B Port X corresponds to port X Port Y ...

Page 53: ...7 17 12 9 8 18 13 10 9 19 14 11 10 20 15 12 11 21 16 13 12 22 17 14 23 18 15 22 20 18 16 20 19 18 17 23 21 19 17 21 20 19 18 20 18 22 21 20 19 25 23 21 19 23 22 21 20 24 22 6 5 Low temperature curves for heating mode High temperature curves for heating mode 23 25 27 29 31 33 35 37 39 25 15 5 5 15 25 35 1 2 3 4 5 6 7 8 T4 T1s C 1 2 3 4 5 6 7 8 25 15 5 5 15 25 35 T4 T1s C 33 38 43 48 53 58 ...

Page 54: ...he hydraulic module main control board see 9 3 1 main control board of hydraulic module and allows configuration of additional heating source thermistor installation the second inner backup heater installation etc Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch settings WARNING 10 2 1 Function setting 10 2 DIP switch settings overvie...

Page 55: ...heater installation Installed 1 Not installed Additional heating source outlet temperature thermistor installation 3 4 Description ON OFF DIP switch S1 S2 5 7 9kW 1 phase SW3 DIP switch 5 7 9kW 1 phase SW3 12 14 16kW 1 phase SW4 12 14 16kW 1 phase SW4 DIP switch 1 2 0N 3 20 A 30 A 18 A 28 A 000 001 16 A 26 A 010 14 A 24 A 12A 22 A 12A 20 A 12A 18 A 12A 16 A 011 100 101 110 111 1 2 0N 3 1 2 0N 3 1 ...

Page 56: ...circuit breaker applies only to units with optional domestic hot water tank installed Ground wiring Make sure that the ground wires have been connected properly and that the ground terminals are tightened Internal wiring Visually check the switch box for loose connections or damaged electrical components Mounting Check that the unit is properly mounted to avoid abnormal noises and vibrations when ...

Page 57: ...hts up continuously green it means the pump is running normally If the LED display is flashing green it means the pump is running the venting function The pump runs during the 10 minute venting function After its cycle the installer needs to adjust the targeted performance If the LED is flashing green red it means that the pump has stopped operating due to an external reason The pump will restart ...

Page 58: ...ssword ADJUST SCROLL OK ENTER 2 3 4 FOR SERVICEMAN SCROLL OK ENTER FOR SERVICEMAN 1 DHW MODE SETTING 2 COOL MODE SETTING 3 HEAT MODE SETTING 4 AUTO MODE SETTING 5 TEMP TYPE SETTING 6 ROOM THERMOSTAT 7 OTHER HEATING SOURCE 8 HOLIDAY AWAY MODE SETTING 9 SERVICE CALL SETTING 10 RESTORE FACTORY SETTINGS 11 TEST RUN 12 SPECIAL FUNCTION 13 AUTO RESTART SCROLL OK ENTER FOR SERVICEMAN About DHW mode DHW d...

Page 59: ... is the temperature difference for starting the heat pump the picture below illustrates the dT5_ON function Go to MENU FOR SERVICEMAN DHW MODE SETTING 1 1 DHW MODE 5 C 10 C 43 C 10 C 5 MIN 1 DHW MODE SETTING SCROLL dT5_ON dT1S5 T4DHWMAX T4DHWMIN t_INTERVAL_DHW If tank heater booster heater is avaliable Go to FOR SERVICEMAN DHW MODE SETTING 1 2 TANK HEATER and select Yes when OK pressed the followi...

Page 60: ...se the temperature of water from heat pump is not high enough and the unit will stay in Disinfect mode for a long time which will effect space heating NOTE To set the priority between domestic water heating and space operation Go to SERVICEMAN DHW MODE SETTING 1 4DHW PRIORITY 1 4 DHW PRIORITY 120MIN 30MIN SCROLL t_DHWHP_MAX t_DHWHP_RESTRICT The suggested value of t_DHWHP_MAX is listed below If DHW...

Page 61: ...erating ambient operating temperature dTISH Setting the temperature difference for starting the unit t_INTERVAL_H Setting the compressor start time interval About COOL MODE SETTING DHW domestic hot water COOL MODE SETTING typically consists of the following How to set the COOL mode To determine whether the COOL mode is effective go to MENU FOR SERVICEMAN COOL MODE SETTING Press OK The following pa...

Page 62: ...P TYPE SETTING Only when Ta drops to a certain value will the unit turn on and the unit will turn off if the Ta high enough See diagram below only when ROOM TEMP is enabled will this function be available HEAT OFF OFF T4 T4HMIN T4HMAX T1S dT1SH OFF HEAT T1 MIN T1S dT1SH 65 OFF HEAT T1 25 C 15 C 5 C LOW HIGH YES NON SCROLL 3 HEAT MODE SETTING HEAT MODE T1S RANGE T4HMAX T4HMIN dT1SH t_INTERVAL_H is ...

Page 63: ...available select YES and press OK In MODE SETTING if YES is selected the mode setting and the on off function cannot be performed from the user interface The timer function is unavailable the operation mode and the on off function is decided by the room thermostat The temperature setting can be done by the user interface If NON is selected the user interface can be used to set operation mode and t...

Page 64: ...URCE 7 1 BACKUP HEATER 7 2 AHS 7 3 SOLAR ENERGY 5 C 5 C 30MIN 5MIN YES NON YES NON SCROLL 7 1 BACKUP HEATER HEAT MODE DHW MODE T4_IBH_ON dT1_IBH_ON t_IBH_DELAY t_IBH12_DELAY When the cursor is on HEAT MODE or DHW MODE Use to select YES or NON If YES is selected the additional heating source will be available in the corresponding mode otherwise it will be unavailable If YES is selected in HEAT MODE...

Page 65: ...talled please select YES at 7 3 SOLAR ENERGY then the solar pump will operate when the solar energy kit operating for domestic hot water heating and the heat pump will stop operating for domestic hot water heating OFF T4 T4HMIN T4HMAX Heat mode by heat pump T4_AHS_ON Heat mode by AHS only Heat mode by heat pump and AHS T1s T1B T4 T4_AHS_ON OFF OFF OFF Time ON ON ON t_AHS_delay t_AHS_delay dT1_AHS ...

Page 66: ... CHECK AIR PURGE CIRCULATION PUMP RUNNING COOL MODE RUNNING HEAT MODE RUNNING DHW MODE RUNNING Use to scroll to the mode you want to run and press OK The unit will run as selected If POINT CHECK is selected the following page will appear Use to scroll to the components you want to check and press ON OFF For example when 3 WAY VALVE is selected and ON OFF is pressed if the 3 way valve is open close...

Page 67: ...fter the compressor runs for 10 min 60s later the second backup heater will turn on After the two backup heater runs for 3 min both backup heaters will turn off the heat pump will operate until the water temperature increase to a certain value or the next command is received When the DHW MODE RUNNING is selected the page will displayed as follows 11 TEST RUN Test run is on Cool mode is on Leaving ...

Page 68: ... min during which the flow switch will not work After the pump stops the 3 way valve will close and the 2 way valve will open 60s later the both the PUMPI and PUMPO will operate until the stop command is received The number displayed on the page is the time that the air purge has run During air purge all the buttons except OK are invalid If you want to turn off the air purge please press OK then t...

Page 69: ...e settings at the time of the power supply failure If this function is disabled when power returns after a power supply failure the unit won t auto restart Before switching on the unit read following recommendations The installer is obliged to verify correct operation of unit after installation 11 TEST RUN AND FINAL CHECKS 11 1 Final checks How to set the AUTO RESTART Go to MENU FOR SERVICEMAN AUT...

Page 70: ... the disposal of the glycol solution is done in accordance with relevant local laws and regulations Water pressure Check the water pressure if it is below 1 bar fill water to the system Water filter Clean the water filter Water pressure relief valve Check for correct operation of the pressure relief valve by turning the black knob on the valve counter clockWise If you do not hear a clacking sound ...

Page 71: ...tion range the water temperature is too low In case of low water temperature the system utilizes the backup heater to reach the minimum water temperature first 12 C Check that the backup heater power supply is correct Check that the backup heater thermal fuse is closed Check that the backup heater thermal protector is not activated Check that the backup heater contactors are not broken Symptom 1 T...

Page 72: ...e the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact your local dealer POSSIBLE CAUSES CORRECTIVE ACTION Backup heater operation is not activated Too much heat pump capacity is used for heating domestic hot water applies only to installations with a domestic hot water tank Check that the t_DHWHP_MAX and t_DHWHP_RESTRICT are configur...

Page 73: ...ation parameter This menu is for installer or service engineer reviewing the operation parameter At home page go to MENU OPERATION PARAMETER Press OK There are five pages for the operating parameter as following Use to scroll 1 5 CHILD LOCK SCROLL OPERATE MODE COOL COMPRESSOR CURRENT 12A COMPRESSOR FREQUNCY 24Hz COMP RUN TIME1 54MIN COMP RUN TIME2 65MIN COMP RUN TIME3 10MIN 2 5 OPERATION PARAMETER...

Page 74: ...er interfere such as lifts large power transformers etc To add a barrier to protect the unit or to move the unit to the other place Communication error between user interface and main control board of hydraulic module 1 The T1 sensor connector is loosen Reconnect it 2 The T1 sensor connector is wet or there is water in remove the water make the connector dry Add waterproof adhesive 3 The T1 sensor...

Page 75: ...ction temperature sensor Th error 1 The EEprom parameter is error rewrite the EEprom data 2 EEprom chip part is broken change a new EEprom chip part 3 main control board of hydraulic module is broken change a new PCB The main control board of hydraulic module EEprom failure 1 wire doesn t connect between main control board PCB B and main control board of hydraulic module connect thewire 2 Communic...

Page 76: ...r change a new interface The indoor temperature sensor Ta error 1 Strong wind or typhoon below toward to the fan to make the fan running in the opposite direction Change the unit direction or make shelter to avoid typhoon below to the fan 2 fan motor is broken change a new fan motor The DC fan failure 1 Whether the power supply input is in the available range 2 Power off and power on for several t...

Page 77: ...winding connector is loosen Tap tap the valve body and plug in plug off the connector for several times to make sure the valve is working correctly And install the winding in the right location Low pressure protection 1 The same reason to P1 2 Power supply voltage of the unit is low increase the power voltage to the required range Compressor overcurrent protection Heating mode DHW mode 1 The water...

Page 78: ...he units is too narrow for heat exchange Increase the space between the units 3 Heat exchanger is dirty or something is block on the surface Clean the heat exchanger or remove the obstruction 4 Fan is not running Fan motor or fan is broken Change a new fan or fan motor 5 Over charge the refrigerant volume Recharge the refrigerant in right volume 6 Water flow rate is low there is air in system or p...

Page 79: ..._in TW_out sensor is broken Change a new sensor 3 Four way valve is blocked Restart the unit again to let the valve change the direction 4 Four way valve is broken change a new valve Unit will return to the normal operation automatically Clean the fines If the fin is clean contact your local dealer DC generatrix voltage is too low 1 Check the power supply 2 If the power supply is OK and check if L...

Page 80: ...kg 178kg G5 4 BSP 5L 8 bar water cooled 3 3 2L 3 bar 12 60 C 5 25 C 3 phase 12 14 16 kW 1414 1404 405mm 172kg 193kg G5 4 BSP hose nipple 5L 8 bar water cooled 3 3 2L 3 bar 12 60 C 5 25 C 25 35 C 5 43 C 5 46 C 25 43 C 1 phase 5 7 9 kW 945 1210 402mm 92kg 111kg G1 BSP 2L 8 bar water cooled 3 2 0L 3 bar 12 60 C 5 25 C 1 phase 5 7 9 12 14 16 3 phase 12 14 16 Standard unit power supply via unit Power S...

Page 81: ...e to hand Have a dry power or CO2 fire extinguisher adjacent to the charging area 6 No ignition sources No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion All possible ignition sources includin...

Page 82: ...re installed The ventilation machinery and outlets are operating adequately and are not obstructed If an indirect refrigerating circuit is being used the secondary circuits shall be checked for the presence of refrigerant marking to the equipment continues to be visible and legible Marking and signs that are illegible shall be corrected Refrigeration pipe or components are installed in a position ...

Page 83: ... and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe work If a leak is suspected all naked flames shall be removed or extinguished If ...

Page 84: ...tory working order has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release Consult manufacturer if in doubt The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder and the relevant Waste Transfer Note arranged Do not mix refrigerants in recovery units and especia...

Page 85: ...h Discharge gas sensor Outdoor temperature sensor Evaporation sensor in heating Condenser sensor in cooling Refrigerant inlet liquid pipe temp sensor Refrigerant outlet gas pipe temp sensor Water outlet temp sensor Water Inlet temp sensor Air purge valve Expansion vessel Circulating pump Manometer Safety valve Y shape filter High Pressure Switch Low Pressure Switch Pressure valve Capillary ANNEX A...

Page 86: ...rd for 1phase CN12 ON OFF CN8 POWER CN14 CN36 CN4 Power CN27 HEAT P_s ALARM CN28 CN34 DEFROST IBH2 IBH1 TRANS IN TBH CN13 CN6 CN3 SW3 CN11 R1 R2 AHS1 AHS2 DFT1 DFT2 CN10 CN20 PUMP_i CN37 P_o P_d P_c SV2 CN25 RUN AHS CN40 CN41 X E Y CN22 CN2 CN21 CN1 CN15 CN19 P E Q CN14 H1 H2 P_d N CN15 N L1 HBK1 HBK2 CN18 CN20 CN19 CN9 CN13 CN16 CN17 L1 N CN7 CN5 CN8 CN9 CN10 A B X Y E P Q E M1 M2 SL1 SL2 C TBH N...

Page 87: ... A2 CN1 R1 R2 AHS1 AHS2 P_d N DTF1 DTF2 CN3 CN4 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29 XT9 XT10 FS_T EV_T E Y P E Q HYDRO BOX CONTROL BOARD PUMP_i CN6 CN9 MG620877 H PRO COMP U V W A1 A2 A3 SV6 CN31 CN18 CN14 HEAT1 CN13 SV5 CN7 Transformer 1 TRANS L PRO T3 T4 T5 CN1 H PRES T6 EEV TRANS CN6 T2 T2B TW in TW out T1 CN13 CN15 T1B T5 ...

Page 88: ...HERMOSTAT X CN5 TBH_FB IBH2 CN22 IBH1 TBH CN2 IBH1 2_FB HEAT P_S ALARM P_O P_P P_M SV2 SV1 SV3 RUN AHS XT6 XT7 XT8 CN7 CN5 CN8 CN9 CN10 A B X Y E P Q E M1 M2 SL1 SL2 C TBH N ON OFF P_o N HT N A1 H L1 N P_c N Sv2 N IBH1 N P_s N A2 CN1 R1 R2 AHS1 AHS2 P_d N DTF1 DTF2 CN3 CN4 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29 XT9 XT10 FS_T EV_T...

Page 89: ...86 NOTE ...

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