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GAHP A

Installation, use and maintenance manual

powered by gas and renewable energies

Air-Water gas absorption heat pump

Summary of Contents for GAHP A indoor

Page 1: ...GAHP A Installation use and maintenance manual powered by gas and renewable energies Air Water gas absorption heat pump...

Page 2: ...tered trademarks contained within this publication are not affected With the aim of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of...

Page 3: ...pump p 20 3 5 Antifreeze function p 20 3 6 Antifreeze liquid p 21 3 7 System water quality p 21 3 8 System filling p 22 3 9 Fuel gas supply p 22 3 10 Combustion products exhaust p 23 3 11 Flue gas con...

Page 4: ...r Box optional interface devices complementary to DDC which may be used to broaden its func tions heating cooling DHW production service demands and control of system components such as third party ge...

Page 5: ...P unit uses the ammonia water absorption cycle The water ammonia solution is contained in the sealed circuit The solution is harmful for health if it is ingested inhaled or comes in contact with the s...

Page 6: ...ed Furthermore they comply with the requirements of the follow ing standards EN 378 Refrigerating systems and heat pumps Other applicable provisions and standards The design installation operation and...

Page 7: ...steel pipe and alumin ium fins Automatic microprocessor controlled finned coil defrosting valve Low power consumption refrigerant fluid oil pump Standard or S1 silenced fan reduction of electrical co...

Page 8: ...Features and technical data 8 1 Figure 1 2 Dimensions standard fan Figure 1 3 Dimensions low consumption silenced fan...

Page 9: ...t view 1 Fan 2 Tapping point for flue analisys 3 Gas valve 4 Combustion air intake 5 Combustion blower 6 Ignition transformer 7 Tmix air gas mixture temperature probe 8 Oil pump 9 Water inlet connecti...

Page 10: ...ernal components left side view 1 Manual reset of the flue exhaust thermostat 2 Sensing element of the flue exhaust thermostat 3 80mm flue gas exhaust 4 Generator fin temperature sensor 5 Flame sensor...

Page 11: ...nual GAHP A 11 1 Figure 1 6 Internal components right side view 1 TG generator temperature probe 2 Safety valve 3 Delivery pipe flowmeter 4 Flow temperature probe 5 Limit thermostat 6 Defrosting valve...

Page 12: ...trodes FLS Flame sensor LS Gas valve ON indicator lamp GV Gas solenoid valve TC Manual flue gas thermostat TL Generator limit thermostat FM Flowmeter CWS Condensate water sensor VD Defrosting valve FA...

Page 13: ...rature probe TMIX Combustion air temperature sensor TA Ambient air temperature sensor TG Generator temperature sensor TF Fumes temperature sensor or generator fin sensor TEVA Evaporator outlet tempera...

Page 14: ...10 board connector on Mod10 JP10 6 pole flame controller connector JP12 Flue gas probe or generator fin probe input JTAG S61 board programming connector MAIN 230V L N S61 board supply input 230 Vac N...

Page 15: ...HPMP Primary circuit hot water pump control output 0 10 V CPMP S1 low consumption fan control output 0 10 V NC1 C1 Status indication of locking warnig error CN5 Blower control J82 W10 auxiliary contr...

Page 16: ...lso be controlled via generic request de vices e g thermostat timer switch contactor fitted with voltage free NO contact This system only provides elementary control on off with fixed set point temper...

Page 17: ...4 0 maximum flow rate of flue gas condensate l h 4 0 water content inside the appliance l 4 Water fitting type F thread 1 1 4 Gas connection type F thread 3 4 Flue gas exhaust diameter mm 80 residual...

Page 18: ...able for the load Do not stand under suspended loads 2 2 HANDLING 2 2 1 Handling and lifting Always handle the appliance in its packing as delivered by the factory To lift the appliance use straps or...

Page 19: ...ble mate rials or components in compliance with applicable regulations 2 4 2 Clearances around the appliance The minimum clearance distances shown in Figure 2 2 p 19 bar any stricter regulations are r...

Page 20: ...2 isolation ball valves on the inlet water piping 1 separator filter 1 flow regulation valve if the circulation pump is with constant flow 1 water circulation pump towards the appliance on the output...

Page 21: ...GA Glycol Water glycol mixture freezing temper ature Percentage of increase in pressure drops Loss of efficiency of unit 10 3 C 15 5 C 6 0 0 5 20 8 C 8 0 1 0 25 12 C 10 0 2 0 30 15 C 12 0 2 5 35 20 C...

Page 22: ...ient gas pressure for the appliance 3 9 4 Supply gas pressure This appliance is equipped for a maximum gas supply pressure of 50 mbar The appliance s gas supply pressure both static and dynamic must c...

Page 23: ...ed firm with materials and components complying with the regulations in force in the country of installation Always provide a socket for flue gas analysis in an accessible position In case the check v...

Page 24: ...ions in force It is forbidden to use gas pipes as earthing Cable segregation Keep power cables physically separate from signal ones Do not use the power supply switch to turn the ap pliance on off Nev...

Page 25: ...electrical board of the appliance according to the Procedure 4 2 p 24 2 Connect the three lead in wires to the terminal block TER in the electrical panel on the machine 3 Provide the earth lead in wir...

Page 26: ...cable section only or OPEN Detail B if the node is intermediate two connected CAN bus cable sections 4 Connect the DDC or the CCP CCI to the CAN bus cable ac cording to the instructions in the follow...

Page 27: ...ND JUMPER J1 P8 L H GND H L JUMPER J21 P8 H L GND C D E Place the CLOSED J21 Jumpers Detail A if the node is terminal one connected CAN bus cable section only or OPEN Detail B if the node is intermedi...

Page 28: ...terminal block L Phase N Neutral Components NOT SUPPLIED PM Water pump 700 W Note 1 Jumper J10 must be closed if the installed pump is not a Wilo electronic pump Jumper J10 must be opened if the insta...

Page 29: ...and equipped with all safety and control devices required by the regulations in force Absence of leaks in the water and gas systems Type of gas for which the appliance is designed natural gas or LPG...

Page 30: ...ons reset errors Paragraph 7 5 p 33 Menu 3 display and setting to set the value of some sys tem parameters e g water setpoint temperature the val ues are initialised by the TAC at first start up It is...

Page 31: ...x settings Specific technical and system knowledge is required for complex settings Contact a TAC 6 NORMAL OPERATION This section is for the end user The use of the device by the end user is only per...

Page 32: ...system manager Environmental or operational heavy conditions In environmental or operational conditions particularly heavy for example heavy duty use of the appliance salty environment etc maintenance...

Page 33: ...ntact the TAC 7 5 2 Locked out appliance An external intervention reset or repair is required due to an appliance fault or problem with the system A reset may be enough for a temporary and provisional...

Page 34: ...er 21 If the code persists shows up again or in case of doubt contact the TAC 408 Flame controller error NA Contact authorised Technical Assistance 410 Low hot water flow Reset is automatic when the t...

Page 35: ...automatically 20 minutes after the code is generated Reset may be performed from the DDC CCI or from the S61 board menu 2 parameter 21 If the code persists shows up again or in case of doubt contact...

Page 36: ...the TAC 482 Invalid bank 2 parameters Reset is automatic when the triggering condi tion ceases Contact the TAC 484 Transformer or 24 Vac fuse fault NA Contact the TAC 485 Invalid module type configura...

Page 37: ...TO 0 021 kW Standby mode P SB 0 005 kW Crankcase heater mode P CK kW Other items Capacity control For air to water heat pumps Rated air flow rate outdoors __ 11000 m h Sound power level indoors outdoo...

Page 38: ...W Crankcase heater mode P CK kW Other items Capacity control For air to water heat pumps Rated air flow rate outdoors __ 11000 m h Sound power level indoors outdoors L WA 74 dB For water or brine to w...

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