Technibel PHIE 095 Service Manual Download Page 90

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PART 5 – SERVICE PROCEDURES

5.1 Frigorific circuit alarms

5.1.1 List of alarms

5.1.2 Alarm messages display

5.1.3 Alarms reset

5.1.4 Symptoms & parts to inspect

5.1.5 Alarms diagnosis

5.1.6 HIC board checking

5.1.7 Diode bridge checking

5.2 Hydraulic circuit alarms

5.2.1 List of alarms

5.2.2 Alarms reset

5.2.3 Symptoms & parts to inspect

5.2.4 A2 board checking

5.3 System control alarms

5.3.1 List of alarms

5.3.2 Alarms reset

5.3.3 A1 board checking

5.4 Boards replacement

5.4.1 A2 board

5.4.2 A3 board

5.4.3 A4 board

5.4.4 HIC board

5.5 Sensors characteristics

5.5.1 Heat pump control sensors

5.5.2 System control sensors

WARNING:

Before carrying out any work on the machine, make sure that its power supply is switched off and the access to it
is prevented. Any work must be carried out by personnel qualified and authorized to work on this type of machine.

Summary of Contents for PHIE 095

Page 1: ...1 SERVICE MANUAL PHRIE PHIE INVERTER MONOBLOCK AIR TO WATER HEAT PUMP MEDIUM TEMPERATURE Refrigerant R410A For applications with electrical support heater or boiler back up Jun 2015 10 12 211 GB 06...

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Page 3: ...carrying out any work on the machine make sure that its power supply is switched off and the access to it is prevented Any work must be carried out by personnel qualified and authorized to work on thi...

Page 4: ...TS 3 1 Diagrams 3 2 Main components 4 SPECIFIC FUNCTIONS ON INVERTER CONTROL 4 1 Water temperature control 4 2 Compressor frequency control 4 3 Max Min frequency control 4 4 Current release control 4...

Page 5: ...l alarms 5 4 Boards replacement 5 5 Sensors characteristics 5 6 Electric heater replacement for units 095 125 6 MAINTENANCE CONTROLLER FUNCTIONS PARAMETERS 6 1 Presentation 6 2 Standard display and se...

Page 6: ...1 Application Use 1 2 Presentation Components 1 3 Technical characteristics 1 4 Physical characteristics 1 5 Description 1 6 Heat pumps capacities 1 7 Available pressures on water circuit 1 8 Sound l...

Page 7: ...7 1 1 APPLICATION USE Hot water generator for residential heating exclusively in the scope of TECHNIBEL systems 1 2 PRESENTATION COMPONENTS 1 2 1 DESCRIPTION...

Page 8: ...ELECTRICAL EQUIPEMENT According EN 60 335 2 40 INVERTER technology control Staged electric support heater with thermal overload protection and water pressure switch Water flow detector System control...

Page 9: ...ng order with clean heat exchanger Note Water circuit pressure Minimum 1 5bar Maximum 2 5Bar Maximum allowable water temperature at the inlet of the heat pump when off is 75 C System water volume see...

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Page 12: ...12 1 3 2 THREE PHASES MODELS...

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Page 16: ...16 1 3 3 OPERATING LIMITS Automatic devices of the control reduce or prohibit operation of the appliance outside the following limits HEATING MODE OPERATING LIMITS...

Page 17: ...17 1 4 PHYSICAL CHARACTERISTICS...

Page 18: ...18...

Page 19: ...19 1 5 DESCRIPTION 1 5 1 SINGLE PHASE MODELS...

Page 20: ...20 1 5 2 THREE PHASES MODELS...

Page 21: ...ure drop Cooling Mode Heating mode For current applications the impact of glycol ratio can be ignored 1 7 AVAILABLE PRESSURES ON WATER CIRCUIT These available pressures are indicated for the water flo...

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Page 24: ...HRIE 195 PHRIE 197 70 74 41 45 PHRIE 257 PHRIE 307 68 72 40 44 1 8 SOUND LEVELS Reference standard Measurements as per standard EN 12 102 Measuring method reverberating chamber Sound pressure level Un...

Page 25: ...15 59 2 400 53 2 500 48 6 630 51 1 800 55 6 1000 55 8 1250 55 3 1600 51 2 2000 45 7 2500 52 8 3150 48 2 4000 48 7 5000 46 6 6300 42 2 8000 37 5 10000 36 7 Sound power level 65 0 PHRIE 125 frequency Hz...

Page 26: ...dB A 100 57 6 125 52 6 160 53 5 200 54 4 250 51 2 315 50 5 400 52 9 500 56 1 630 62 2 800 61 6 1000 55 2 1250 51 6 1600 48 3 2000 50 0 2500 49 4 3150 51 0 4000 49 8 5000 48 5 6300 45 6 8000 39 5 1000...

Page 27: ...000 51 3 2500 49 3 3150 50 8 4000 49 7 5000 44 2 6300 43 1 8000 38 4 10000 37 4 Sound power level 68 0 PHRIE 307 frequency Hz Lw dB A 100 51 1 125 50 8 160 52 9 200 53 7 250 52 4 315 54 4 400 56 3 500...

Page 28: ...rated electric support heater system control kit K60D070Z For applications with boiler back up system control kit K60D071Z 9 System control kit K60D070Z For standard applications using heat pump with...

Page 29: ...a 2 nd zone with electric convectors These appliances must be equipped with an electronic thermostat out of supply able to receive controls signals by means of a 230Vac pilot wire according standard G...

Page 30: ...omponents description 2 2 1 Compressor 2 2 2 Electronic expansion valve 2 2 3 Four way valve 2 2 4 Fan motor 2 2 5 Pressure sensor 2 3 Hydraulic circuit Main components description 2 3 1 Water circula...

Page 31: ...31 2 1 FRIGORIFIC HYDRAULIC DIAGRAMS 2 1 1 DIAGRAMS FOR MODELS 095 125 155 157 175 177 195 197...

Page 32: ...32 2 1 2 DIAGRAMS FOR MODELS 257 307...

Page 33: ...46V 246V 282V Refrigerant R410A Oil type DAPHNE FV68S or equivalent Oil volume L 0 35 0 6 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 9 Motor type DC Brushless motor Number of poles 4 Insulation class E Coil resist...

Page 34: ...34 Connection diagram for 155 175 195 Connection diagram for 157 177 197 257 307 257 307...

Page 35: ...66 Motor reference UKV A053 UKV U030 UKV A053 UKV U030 UKV A053 UKV U030 UKV A053 UKV A053 Motor checking to be done with ohmmeter on motor disconnected Between wires Resistance Between wires Resista...

Page 36: ...095 125 155 157 175 177 195 197 257 307 Type SAGINOMIYA 4 Way valve STF Reference STF 0306G STF 0401G STF 0712G Coil type STF Coil supply V ac 220 240V 50Hz 6W Insulation class Class B Coil presentat...

Page 37: ...age nominal V dc Vm 280 Vdc Current limit nominal A Im lim 2 1A Speed nominal Rpm 800 860 Pole number 8P Electronic control supply Built in electronic driver Control power supply Vcc 15 Vdc Speed cont...

Page 38: ...38 Speed control input voltage Vsp Revolution pulse output Control 1 Vcc 2 PG 3 Vsp Power 1 Vm 2 not used 3 GND...

Page 39: ...39 2 2 5 PRESSURE SENSOR Note Used to measure refrigerant circuit pressure on water heat exchanger sensor E2P The pressure signal is converted by A2 board in equivalent temperature...

Page 40: ...ensuring optimum efficiency according to the different installations The adjustment is made using the red knob on the front panel of the circulating pump It is advised to perform this adjustment acco...

Page 41: ...outlet of the circulating pump in order to measure the differential pressure Adjust the red knob to the maximum pressure Take the differential pressure measurement Pm and record The corresponding flo...

Page 42: ...g circulating pump curve it relates to a flow rate of Qm 2 3 m3 h Then for a requested water flow of 1 75 m3 h the adjustment will be P 1 75 2 3 x 4 7 2 1m w Requested water flow nominal in m3 h CONTE...

Page 43: ...43 Failure matrix...

Page 44: ...44 Failure handling...

Page 45: ...5 177 195 197 257 307 Type IMIT ALCO AFS Reference AFS 72 AFS 72 AFS 81 Setting ON point l mn 9 9 30 Setting OFF point l mn 7 7 27 Body Plastic Nylon 66 GF30 Brass Pipe connection 1 G nut PF 1 1 4 G C...

Page 46: ...heat pumps 095 and 125 Remove the original water flow switch 9 l mn IMIT model Put in place the new water flow switch 4 5 l mn SIKA model Respect the water direction see the arrow on the top of the fl...

Page 47: ...vessel is verified by checking pre charge pressure Expansion vessel must be changed by a new one in case of excessive deterioration and anyway at the latest 5 years later from the installation date 2...

Page 48: ...iler back up 3 2 3 System control board A1 3 2 4 Communication control board CWC2 A2 3 2 5 Refrigerant circuit power board for units 095 125 A3 3 2 6 Refrigerant circuit power boards for units 155 175...

Page 49: ...49 3 1 ELECTRICAL DIAGRAMS 3 1 1 MODEL 095 2 HP 230V Single phase...

Page 50: ...50 3 1 2 MODEL 125 3 HP 230V Single phase...

Page 51: ...51 3 1 3 MODELS 155 175 4 5 HP 230V Single phase...

Page 52: ...52 3 1 3 MODEL 195 6 HP 230V Single phase...

Page 53: ...53 3 1 3 MODELS 157 177 197 4 5 6 HP 400V Three phases...

Page 54: ...54 3 1 3 MODELS 257 307 8 10 HP 400V Three phases...

Page 55: ...55 3 1 4 SYMBOLS...

Page 56: ...56 3 2 MAIN COMPONENTS DESCRIPTION 3 2 1 CONTROL SYNOPTIC FOR HEAT PUMP ELECTRICAL SUPPORT HEATER APPLICATIONS...

Page 57: ...57 3 2 2 CONTROL SYNOPTIC FOR HEAT PUMP IN BOILER BACK UP APPLICATIONS...

Page 58: ...ol sensor is connected to the input TW1 of A2 CCWC2 control board Considering that water temperature of the system is controlled according outgoing water temperature this sensor connected to TW1 must...

Page 59: ...versions for units in FA version Version A1 Board code Date Modification System remote control box Elec support heater solution Version Code Date V3 01 2220126 Dec 2010 V3 01 2220125 Dec 2010 V3 02 2...

Page 60: ...OR HEAT PUMP A2 CWC2 It ensures 3 functions Communication interface between system control and heat pump control Management of the heat pump heat exchanger and water circulating pump Possible base de...

Page 61: ...ng pump speed variation control algorithm SW2 2 in OFF position factory setting PWM control SW2 2 in ON position 0 10V control The function is not available on this version JTP jumper E2P input select...

Page 62: ...arameters When replacing A2 board remove the EEPROM from the old PCB and install it onto the new PCB If there is trouble with the EEPROM replace it with the new one provided with the servicing PCB and...

Page 63: ...63 3 2 5 REFRIGERANT CIRCUIT POWER BOARD FOR UNITS 095 125 A3 board A056VH up side FOR UNIT 095 HIC temperature sensor plug Power LED EEPROM LED...

Page 64: ...64 A3 board A056VH bottom side FOR UNIT 095 Expansion valve MOV Service Remocon RC P Board ctrl signal OC Board programming PAC checker ROM Fan 4 way valve 20S CHECK...

Page 65: ...65 A3 board A086VH up side FOR UNIT 125 HIC temperature sensor plug Power LED EEPROM LED...

Page 66: ...66 A3 board A086VH bottom side FOR UNIT 125 Expansion valve MOV 4 way valve 20S Board ctrl signal OC Board programming PAC checker CN012 ROM Fan Service Remocon RC P...

Page 67: ...are blinking alternatively open circuit these pins stops automatic address setting After the power is turned ON automatic address setting will not be functioned for over 1 minute and 30 seconds CN042...

Page 68: ...NITS 155 175 195 A3 board A116VH for units 155 175 A3 board A166VH for unit 195 Expansion valve MOV Service Remocon RC P CN032 Board programming PAC checker CN012 ROM 4 way valve 20S Fans ctrl Fans su...

Page 69: ...nce For that press once the switch During automatic address setting LEDs 1 2 are blinking alternatively pressing again this switch stops automatic address setting S005 Pump down push button switch red...

Page 70: ...70 HIC board for units 155 175 195 Hybrid Integrated Circuit for inverter compressor Diode bridge HIC board HIC temperature sensor plug...

Page 71: ...OARD FOR UNITS 157 177 197 A3 board A166VH8 4 way valve 20S Power relay Ctrl MG SW Fans ctrl Expansion valve MOV Fans supply Board programming PAC checker ROM Service Remocon RC P CN032 Board ctrl sig...

Page 72: ...nce For that press once the switch During automatic address setting LEDs 1 2 are blinking alternatively pressing again this switch stops automatic address setting S005 Pump down push button switch red...

Page 73: ...73 HIC board for units 157 177 197 Hybrid Integrated Circuit for inverter compressor Diode bridge HIC board HIC temperature sensor plug...

Page 74: ...A3 control board A246VH8 Service Remocon RC P CN039 Board programming PAC checker ROM Board ctrl signal OC 4 way valve 20S Expansion valves MOV1 2 Cranckcase heater 20S Fan supply Fan supply Fan contr...

Page 75: ...uring automatic address setting LEDs 1 2 are blinking alternatively open circuit these pins stops automatic address setting After the power is turned ON automatic address setting will not be functione...

Page 76: ...76 HIC board for units 257 307 Hybrid Integrated Circuit for inverter compressor Diode bridge HIC board...

Page 77: ...77 A4 Supply and filter board for units 257 307...

Page 78: ...ge V 230V on each heater element Capacity kW 3 x 1 5 3 x 2 3 x 3 Body material Stainless steel 304L Heating element material Stainless steel Incoloy 800 Heater connected on outlet of heat exchanger Sa...

Page 79: ...oling mode 4 8 Discharge temperature control 4 9 Air heat exchanger defrost control 4 9 1 Flow chart of defrost control 4 9 2 Frost adherence detection 4 9 3 Heating mask time 4 9 4 Defrost cycle end...

Page 80: ...allation Inverter frequency is controlled as follows When T is high not yet reached the Controlled so that the inverter frequency is increased water temperature setpoint When T is low Controlled so th...

Page 81: ...d operation mode The maximum and minimum frequencies for each model are shown in the table below Note There are cases in which frequency is limited with other control functions depending on operationa...

Page 82: ...s are lowered when the outdoor air temperature is higher than 40 C in the cooling mode and higher than 14 C in the heating mode 4 5 COOLING HIGH LOAD CONTROL Performed by A3 board This control is perf...

Page 83: ...with the lowest water heat exchanger temperatures E1 or E2 See the chart below 1 If the temperature remains in the J zone decreasing operation frequency for 6 minutes the operating frequency of the co...

Page 84: ...erature of the discharge sensor TD such controls are performed as to limiting the increase of inverter frequency decreasing it or halting operation of the compressor If the discharge temperature excee...

Page 85: ...85 4 9 AIR HEAT EXCHANGER DEFROST CONTROL Performed by A3 board 4 9 1 FLOWCHART OF DEFROST CONTROL 1 2 3...

Page 86: ...eing less than 13 C the outdoor heat exchanger temperature sensor C1 TO 5 C for 20 consecutive seconds Defrosting condition c With the outdoor heat exchanger temperature sensor C1 being less than 3 C...

Page 87: ...r heat exchange temperature minimum E1 and E2 is between 1 C and 5 C under normal conditions There are cases where the aperture opens wider than usual if the discharge temperature increases Heating Mo...

Page 88: ...y the TW2 sensor at the heat pump exchanger water outlet It is generated and stops the heat pump if the heat pump exchanger outgoing water temperature goes below a threshold in the following cases In...

Page 89: ...ontact between C and 0 on the terminals block ON OFF makes the unit stops Corresponding LED is lighted in red In case of closing both contacts at the same time priority is given to OFF Note on A2 boar...

Page 90: ...inspect 5 2 4 A2 board checking 5 3 System control alarms 5 3 1 List of alarms 5 3 2 Alarms reset 5 3 3 A1 board checking 5 4 Boards replacement 5 4 1 A2 board 5 4 2 A3 board 5 4 3 A4 board 5 4 4 HIC...

Page 91: ...ne in cooling E1 S7 F01 stop Automatic then manual Abnormal pressure sensor E2P B1 on the H E Loss of refrigerant charge F02 stop Automatic then manual Abnormal sensor for the compressor discharge tem...

Page 92: ...M MESSAGES DISPLAY 2 ways for reading alarm messages with maintenance remocon connected to A2 board connector RC Alarm code is directly displayed See details PART 6 with LED 1 LED 2 on A3 board LED 1...

Page 93: ...ication On Off Off On On Off In normal operation A3 EEPROM error F31 Pre trip insufficient gas Pre trip P20 HP Pre trip other On Blinks 0 25 0 75 Blinks 0 75 0 25 Blinks 0 5 0 5 Blinks 0 5 0 5 Off Off...

Page 94: ...inutes alarm is automatically cleared and heat pump starts again If it lasts longer than 30 minutes default is memorized by board A2 and transmitted to the system control The alarm light AL then comes...

Page 95: ...ddress sequence 3 Check boards E05 Serial signal sending failure E06 A3 board detected error signal from A2 board Serial signal receiving failure Automatic recovery Automatic recovery 1 Check connecti...

Page 96: ...hort circuit in sensor C1 S2 Open circuit or short circuit Automatic recovery 1 Check Air heat exchanger temperature sensor C1 S2 2 Check A3 board Refer to diagnosis method section 5 1 5 F07 Disconnec...

Page 97: ...t address in EEPROM of A2 board Power reset recovery Check address setting in the EEPROM of A2 board L09 Settings failure Incorrect capacity in EEPROM of A2 board Power reset recovery Check capacity s...

Page 98: ...itched on Water heat exchanger temperature drops even though compressor is switched on during the heating mode min E1 E2P is 10 C or lower Water heat exchanger temperature rises even though compressor...

Page 99: ...cting the HIC circuit between the heat sink HIC radiator are loose 3 Faulty cooling of heat sink HIC 4 Check A3 PCB wiring A3 board power supply Maintenance remocon alarm display Alarm contents Judgem...

Page 100: ...100 5 1 5 ALARM DIAGNOSIS E31 F04 F06 F07 F08 F12 P22 P26 P29 For models 095 125 155 157 175 177 195 197...

Page 101: ...101 For models 257 307...

Page 102: ...ormally fan rotates without resistance After having unplugged fan connector s from A3 board connect a jumper on power line blue and red wires as shown below Then rotate manually the fan if fan motor b...

Page 103: ...tched off Normally fan rotates without resistance After having unplugged fan connectors from A3 board connect a jumper on power line blue and red wires as shown below Then rotate manually the fan if f...

Page 104: ...104 For models 095 125 Replace A3 PCB...

Page 105: ...105 For models 155 157 175 177 195 197...

Page 106: ...106 For models 257 307...

Page 107: ...107 For models 095 125...

Page 108: ...108 For models 155 157 175 177 195 197 Check diode bridge...

Page 109: ...109 For models 257 307 Check diode bridge...

Page 110: ...110 5 1 6 HIC Hybrid Integrated Circuit BOARD CHECKING Models 095 125 HIC is included on A3 PCB Models 157 177 197 Models 257 307...

Page 111: ...minal Tester terminal A C 0 5 to 0 7 A D OL B C 0 5 to 0 7 B D OL C A OL C B OL D A 0 5 to 0 7 D B 0 5 to 0 7 Three phases Between terminals Junction forward voltage drop Tester terminal Tester termin...

Page 112: ...the TW2 sensor at the heat pump exchanger water outlet It is generated and stops the heat pump if the heat pump exchanger outgoing water temperature goes below a threshold in the following cases In h...

Page 113: ...solved before final reset action Alarm reset by pressing push button RESET on A2 board for 5 seconds Alarm reset by setting the system control in OFF position See detail in corresponding technical ma...

Page 114: ...flashes 2 sec Low water temperature on Heat Exchanger outlet In defrost temperature detected by TW2 sensor is below 16 C In cooling mode temperature detected by TW2 sensor is below 4 C Manual reset if...

Page 115: ...20 U 26Vdc Supply 12Vdc Can be checked on terminals block ON OFF not wired terminals C 0 10 U 16Vdc Supply 5Vdc regulated on connector TW2 not wired 4 5 U 5 5Vdc Communication lines connector SC syste...

Page 116: ...te control Pressure sensor power supply 24Vdc nominal on connector E2P with no connection terminals 1 3 20 U 26Vdc Input flow switch FS status according green LED W with flow switch disconnected termi...

Page 117: ...heater system control part is managed by A1 board in the heat pump For Boiler Back up application system control part is managed by the board installed in the cabinet of the specific control kit So s...

Page 118: ...System ctrl box alarm display Alarm contents Judgement conditions clearing condition on system Judgement and correction Gr Synthetic heat pump alarm transmitted to system control See 5 1 5 2 Manual re...

Page 119: ...ved before final reset action System alarm reset by setting the system control in OFF position See detail in corresponding technical manual Alarm reset by switching off power supply This action is rec...

Page 120: ...m remote ctrl box and voltage on terminals 10 16 Vdc load shedding contact terminals D1 D2 on block CN4 if contact open or not connected voltage on terminals 5Vdc load shedding signal terminals T T on...

Page 121: ...4 Take out from the old board the EEPROM and possible wire jumper 5 Plug the EEPROM and possible jumper on the specific socket of the new board Respect position of the EEPROM on its socket see picture...

Page 122: ...e malfunctioning board and re install it on the new board FOR UNITS 095 125 Procedure 1 Before replacing the board A3 make sure that the unit is switched off 2 Remove top and front panel of the unit 3...

Page 123: ...stall the new board in the cabinet and connect it while respecting wiring diagram Pay attention to apply some thermal paste on power components 13 Switch on again the unit EEPROM alarm LED must off If...

Page 124: ...y all wires and connectors from the board 3 Remove the PCB from the spacers 4 Take out from the old board the EEPROM and possible wire jumpers 5 Plug the EEPROM and possible jumpers on the specific so...

Page 125: ...off If this LED is blinking check that EEPROM is installed correctly 9 Start the unit and check its correct operation Caution If the EEPROM is not functioning correctly alarm F31 appears In that case...

Page 126: ...completely all wires and connectors from the board 3 Remove the PCB from the spacers 4 Take out from the old board the EEPROM and possible wire jumpers 5 Plug the EEPROM and possible jumpers on the sp...

Page 127: ...he unit EEPROM alarm LED must off If this LED is blinking check that EEPROM is installed correctly 9 Start the unit and check its correct operation Caution If the EEPROM is not functioning correctly a...

Page 128: ...ure that the unit is switched off Check also that Power LED red is Off 2 Disconnect completely all wires and connectors from the board 3 Remove the PCB from the spacers 4 Take out from the old board t...

Page 129: ...and connect it while respecting wiring diagram 8 Switch on again the unit EEPROM alarm LED must off If this LED is blinking check that EEPROM is installed correctly 9 Start the unit and check its cor...

Page 130: ...cedure 1 Before replacing the board A4 make sure that the unit is switched off Check also on A4 board that Charge LED red is Off 2 Disconnect completely all wires and connectors from the board 3 Remov...

Page 131: ...of HIC on its heat sink 4 For units 155 157 175 177 195 197 unscrew the fixing screw of temperature senor 5 Remove HIC 6 Apply thinly and all over thermal paste on the socket of the new HIC Note Diode...

Page 132: ...r temp TO S4 sensor Suction compressor temp TS S3 sensor Air heat exchanger temp C1 S2 sensor Air heat exchanger temp C2 S1 sensor Liquid line temp E1 S7 sensor Water inlet temperature temp TW1 TA S8...

Page 133: ...133 5 5 2 SYSTEM CONTROL SENSORS Installation water inlet temp S11 sensor Installation water outlet temp S12 sensor Outdoor air temp S13 sensor Type NTC 10 k at 25 C...

Page 134: ...the machine make sure that its power supply is switched off and the access to it is prevented Any work must be carried out by personnel qualified and authorized to work on this type of machine 1 Close...

Page 135: ...he fixing screws on the rear panel hydraulic connectors heat exchanger expansion vessel electric heater panel 5 Remove the rear panel 6 Disconnect power supply wiring of the electrical heater from con...

Page 136: ...the safety thermostats Pay attention to the safety thermostats and their wiring CAUTION These thermostats are very important for safety Pay attention that they must be mounted on the new heater caref...

Page 137: ...e of machine 6 1 Presentation 6 2 Standard display and settings Connection to A2 control board 6 2 1 Remote control connection 6 2 2 Current display 6 2 3 Alarm history display 6 2 4 Values display fo...

Page 138: ...isplay of alarms history 9 display of frigorific circuit sensors values and current information about compressor speed compressor current valve position 9 display and modification of parameters 9 heat...

Page 139: ...board 6 2 2 CURRENT DISPLAY 3 2 1 RC connector on A2 board Unit terminal block Heat pump Off Heat pump operating in heating mode time delay on compressor Heating mode Current set point 50 C Time dela...

Page 140: ...he button To return to normal display press button See 5 1 for alarms list 6 2 4 VALUES DISPLAY FOR MONITORING Press and hold buttons and simultaneously for 4 seconds or longer to display values Use t...

Page 141: ...5 Valve position step 16 Not used 17 Not used 18 Not used 19 Compressor operating frequency Hz 1A Not used For units 257 307 Item code Sensor type Remark From A2 control board 00 Water temperature for...

Page 142: ...r 177 5HP 18 195 or 167 6HP 21 257 8HP 23 307 10HP 12 System adress Not used 0001 13 Board address 0001 14 Group address 0000 individual Others Others Not to be changed 1F Remote ctrl temperature set...

Page 143: ...ulating pump see 4 12 before initiate an order via the specific maintenance remote control or the external contacts Note 1 If it remains connected system control has always priority on the remote cont...

Page 144: ...ur red 6 3 2 CURRENT DISPLAY Note It is possible to display current information by means of temperature setting buttons and to select the item code Item code Parameter Remark 10 Total compressor opera...

Page 145: ...indicates the oldest one To clear the alarm history press the button To return to normal display press button See 5 1 for alarms list Alarm history example Alarm message F04 Alarm item code 01 to 08 C...

Page 146: ...Heat exchanger temperature E2 Temp calculated from pressure 05 Heat exchanger temperature E3 Not used 06 Discharge air temperature Not used 07 Not used 08 Not used 09 Not used From A3 control board 0A...

Page 147: ...ation stops blinking and remains lit Setting is completed 7 To return to normal display press button Item code Parameter Remark Setting Others Not to be changed 0E Operating mode Heat pump or cool onl...

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