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Air-Water gas absorption heat pump

GAHP A

Installation, Use and Maintenance

Manual

Содержание GAHP A Series

Страница 1: ...powered by gas and renewable energies Air Water gas absorption heat pump GAHP A Installation Use and Maintenance Manual ...

Страница 2: ...of this Installation use and maintenance manual other than for personal consultation must be previously authorised by Robur S p A The rights of those who have legitimately filed the registered 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 this Install...

Страница 3: ...tionsp p 20 3 4 Water circulation pumpp p 20 3 5 Anti icing functionp p 21 3 6 Anti icing liquidp p 21 3 7 System water qualityp p 21 3 8 Installation fillingp p 22 3 9 Fuel gas supplyp p 22 3 10 Combustion products exhaust p 23 3 11 Flue gas condensate discharge p 23 3 12 Defrosting water drainage p 24 4 Electrical installer p 24 4 1 Warningsp p 24 4 2 Electrical systemsp p 24 4 3 Electrical powe...

Страница 4: ...DHW production service demands and control of system components such as third party generators adjustment valves circulators probes Heat generator equipment e g boiler heat pump etc pro ducing heating and or DHW GUE Gas Utilization Efficiency efficiency index of gas heat pumps equal to the ratio between the thermal energy pro duced and the energy of the fuel used relative to LCV lower calorific va...

Страница 5: ...possible to do so with no danger Request assistance from the TAC Electrocution hazard Disconnect the electrical power supply before any work procedure on appliance components For electrical connections exclusively use compliant components and according to the specifications pro vided by the manufacturer Ensure the appliance cannot be accidentally switched back on Earthing Electrical safety depends...

Страница 6: ...s Other applicable provisions and standards The design installation operation and maintenance of the sys tems shall be carried out in compliance with current applicable regulations depending on the Country and location and in ac cordance with the manufacturer s instructions In particular reg ulations regarding the following shall be complied with Gas systems and equipment Electrical systems and eq...

Страница 7: ...l with steel pipe and alumini um fins automatic microprocessor controlled finned coil automatic defrosting valve standard or S1 silenced fan reduction of electrical consump tion and reduction of sound emission Control and safety devices S61 electronic board with microprocessor LCD display and knob Mod10 additional electronic board integrated in S61 auxiliary W10 electronic board installation water...

Страница 8: ...Features and technical data 8 1 Figure 1 2 Size Standard ventilation Figure 1 3 Dimensions low consumption silenced fan ...

Страница 9: ...ront view 1 Fan S1 version 2 Tapping point for flue analisys 3 Gas valve 4 Combustion air hose 5 Combustion blower 6 Ignition transformer 7 Tmix air gas mixture temperature probe 8 Oil pump 9 Water delivery fitting G 1 F 10 Water return fitting G 1 F 11 Gas connection 12 TA outdoor temperature probe 1 2 4 5 6 7 3 10 12 11 8 9 ...

Страница 10: ...al components left side view 1 Manual reset of the flue exhaust thermostat 2 Sensing element of the flue exhaust thermostat 3 DN80 flue exhaust connection 4 Generator fin temperature sensor 5 Flame sensing ignition electrodes 6 Condensate level sensor ...

Страница 11: ...anual 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 7 Return temperature probe 8 Teva evaporator temperature probe ...

Страница 12: ...ectrodes 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 FAN Fan CF Filter capacitor THRC Hot water return temperature probe THMC Hot water flow temperature probe TMIX Combustion air temperature sensor TA Ambient air temperature sensor TG Generator temperat...

Страница 13: ...ow temperature 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 temperature sensor MA Terminal block REED Oil pump rotation sensor 1 5 ELECTRONIC BOARDS Electronic boards S61 Mod10 The unit s electrical board contains Electronic Board S61 Figure 1 9 p 14 with mic...

Страница 14: ...W10 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 O CONTACT Normally open pump contact P7 R W Y O Enable input P8 GND L H CAN BUS connector PUMP 230V L N Oil pump supply output SPI Communication port with Mod10 controller SRT1 Oil pump rotation sens...

Страница 15: ...ector HPMP Primary circuit hot water pump control output 0 10 V CPMP Low consumption fan control output 0 10V NC1 C1 Status indication of locking warnig error CN5 Blower control J82 W10 auxiliary controller connector J83 W10 cable shielding connection CN1 Inputs 0 10V not used Figure 1 11 W10 electronic controller FS1 Defrosting valve contact JP1 Communication with S61 Mod10 ...

Страница 16: ...so be controlled via generic enable devic es e g thermostats clocks buttons contactors fitted with voltage free NO contact This system only provides elementary control on off with fixed set point temperature hence without the important functions of systems 1 and 2 It is advisable to limit its possible use only to simple applications and with a sin gle appliance For connection of the selected devic...

Страница 17: ...m water pressure in operation bar 4 Maximum flow flue condensate l h 4 0 Water content inside the apparatus l 4 Water fitting type F thread G 1 1 4 Gas connection type F thread G 3 4 Fume outlet diameter Ø mm 80 residual head Pa 80 Type of installation B23P B33 B53P Dimensions width mm 854 11 depth mm 1260 height mm 1445 11 1540 Weight in operation kg 390 400 Required air flow m h 11000 Fan residu...

Страница 18: ...ht The crane and lifting equipment must be suitable for the load Do not stand under suspended loads 2 2 HANDLING Handling and lifting Always handle the appliance in its packing as delivered by the factory To lift the appliance use straps or slings inserted in the holes of the base Figure 2 1 p 18 Use lifting beams to avoid damaging the outer panels and finned coil Figure 2 1 p 18 Comply with safet...

Страница 19: ...he appliance away from combustible or flammable materials or components in compliance with applicable regulations Clearances around the appliance The minimum clearance distances shown in Figure 2 2 p 19 bar any stricter regulations are required for safety operation and maintenance Figure 2 2 Clearances 2 5 MOUNTING BASE Mounting base constructive features Place the appliance on a levelled flat sur...

Страница 20: ... input m r 2 ANTIVIBRATION JOINTS on water fittings 2 PRESSURE GAUGES 2 ISOLATION BALL VALVES on the input water piping r 1 DIRT SEPARATOR FILTER 1 FLOW ADJUSTMENT VALVE if the circulating pump is constant flow 1 WATER CIRCULATION PUMP towards the appliance on the output water piping m 1 SAFETY VALVE 3 bar 1 EXPANSION TANK of the individual unit Figure 3 1 Hydraulic plan The flow regulator valve m...

Страница 21: ...recommended to prevent oxidation phenomena Glycol effects The Table 3 1 p 21 shows indicatively the effects of using a glycol depending on its Table 3 1 Technical data for filling the hydraulic circuit GLYCOL WATER GLYCOL MIXTURE FREEZING TEMPERATURE 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 14...

Страница 22: ...liance and the gas piping Mandatory shut off valve Provide a gas shut off valve manual on the gas supply line next to the appliance to isolate it when required Perform connection in compliance with applicable regula tions Gas pipes sizing The gas pipes must not cause excessive load losses and conse quently insufficient gas pressure for the appliance Supply gas pressure The appliance s gas supply p...

Страница 23: ...be removed only when the kit itself has been fully assembled and installed Possible flue If necessary the appliance may be connected to a flue To size the flue refer to Table 1 1 p 16 and Design Manual If several appliances are connected to a single flue it is oblig atory to install a check valve on the exhaust of each The flue must be designed sized tested and constructed by a skilled form with m...

Страница 24: ... with the manufacturer s provisions Live components After placing the appliance in the final position and prior to making electrical connections ensure not to work on live components Earthing The appliance must be connected to an effective earthing system installed in compliance with regula tions in force It is forbidden to use gas pipes as earthing Cable segregation Keep power cables physically s...

Страница 25: ...rical Board 3 Run the cables through the suitable holes in the Connection Plate 4 Run the cables through the suitable cable glands in the Elec trical Board 5 Identify the appropriate connection terminals 6 Perform the connections 7 Close the Electrical Panel and fit the front panel back on 4 3 ELECTRICAL POWER SUPPLY Power supply line Provide by the installer a protected single phase line 230 V 1 ...

Страница 26: ...imum distances For lengths 200 m and max 4 nodes e g 1 DDC 3 GAHP a simple 3x0 75 mm shielded cable may even be used Table 4 1 CAN BUS cables type CABLE NAME SIGNALS COLOR MAX LENGTH Note Robur Ordering Code OCVO008 ROBUR NETBUS H BLACK L WHITE GND BROWN 450 m Honeywell SDS 1620 In all cases the fourth conductor should not be used BELDEN 3086A H BLACK L WHITE GND BROWN 450 m TURCK type 530 DeviceN...

Страница 27: ... the external request Connection of external request is effected on the S61 board located in the Electrical Panel inside the unit Fig ure 4 5 p 27 1 Access the Electrical Board of the appliance accord ing to the Procedure 4 2 p 24 2 Connect the voltage free contact of the external de vice through two conductor wires to terminals R and W respectively common 24 V AC and heating enable of electronic ...

Страница 28: ... 4 5 2 Option 2 VARIABLE FLOW circulating pump It must be mandatorily controlled from the Mod10 electronic board built into the S61 How to connect the VARIABLE FLOW circulating pump The Wilo Stratos Para pump is already standard supplied with the power supply cable and signal cable both 1 5m long For longer distances use respectively cable FG7 3Gx 1 5mm m and shielded cable 2x0 75 mm suitable for ...

Страница 29: ... Figure 4 8 Wiring diagram for hooking up the Wilo Stratos Para variable rate pump powered by the unit PM Hot water circulation pump primary circuit MA unit terminal block Pump signal 0 10V wire colours brown connect to ve white connect to ve black isolate blue isolate 5 FIRST START UP First Start Up entails checking setting up the combus tion parameters and may exclusively be carried out by a Rob...

Страница 30: ...r s responsi bility if the TAC deems that safety and conformity conditions are in place First start up may be effected 6 NORMAL OPERATION This section is for the end user 6 1 WARNINGS General warnings Prior to using the appliance carefully read the warnings in Chapter III 1 p 4 providing important information on regulations and on safety First start up by TAC First start up may exclusively be carr...

Страница 31: ...he letter E which is displayed at the end of the menu list or of a series of parameters in a menu The letter E is displayed at the end of the menu list or of a series of parameters in a menu and indicates the exit to go back to the higher level by pressing the knob Menus and Parameters The menus may be display only functional data or parameters display and setting parameters or control reset Menu ...

Страница 32: ...alue by pressing the knob the previously set value is displayed from 10 to 65 C to reconfirm the pre existing value press the knob again otherwise go to point 3 3 Turn the knob to modify the value increasing or de creasing it and press it to set the new value 4 Exit menu 3 and from the menu list by selecting and pressing letter E twice and go back to the nor mal display of detected temperature dat...

Страница 33: ... cleaning op erations must be more frequent 7 2 PRE EMPTIVE MAINTENANCE For pre emptive maintenance comply with the recommendations in Table 7 1 p 33 Table 7 1 GAHP A GAHP GS WS AY GA ACF GAHP AR Guidelines for the preventive maintenance operations Check of the unit visually check of the general condition of the unit and of its air heat exchanger 1 1 1 check the correct operation of the device use...

Страница 34: ...Figure 4 2 p 25 3 Switch on the appliance by means of the provided control device DDC CCP CCI or external request Paragraph 4 4 p 26 8 DIAGNOSTICS 8 1 OPERATIVE CODES Table 8 1 Operative Codes GAHP A CODES DESCRIPTION Warning u Error E 400 FAULT ON RESET CIRCUIT OF FLAME CONTROL UNIT NA Power cycle the appliance If the code persists shows up again or in case of doubt contact the TAC 401 GENERATOR ...

Страница 35: ...r from the S61 board menu 2 parameter 21 If the code persists shows up again or in case of doubt contact the TAC 430 GENERATOR FINS TEMPERATURE HIGH Reset is automatic when the triggering condi tion ceases 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 the TAC 431 WATER TEMPERATURE EXCEEDING OPERATIV...

Страница 36: ...ance 482 INVALID P1 PARAMETERS Reset is automatic when the triggering condi tion ceases Contact authorised Technical Assistance 484 FAULTY TRANSFORMER CONNEC TION OR 24 V AC FUSES NA Contact authorised Technical Assistance 485 INCORRECT MODULE TYPES NA Contact authorised Technical Assistance 486 FAULTY BOARD ROM NA Contact authorised Technical Assistance 487 FAULTY BOARD pRAM NA Contact authorised...

Страница 37: ...ergy consumption Q HE 244 GJ Rated heat output Prated 36 4 kW Seasonal space heating energy efficiency η s 116 Tj 2 C Pdh 36 4 kW Tj 2 C PERd 119 Tj 7 C Pdh 23 3 kW Tj 7 C PERd 122 Tj 12 C Pdh 10 6 kW Tj 12 C PERd 116 Tj bivalent temperature Pdh kW Tj bivalent temperature PERd Annual energy consumption Q HE 151 GJ Table 8 COMMISSION DELEGATED REGULATION EU No 811 2013 Parameters shall be declared ...

Страница 38: ...ower level indoors outdoors L WA 80 dB For water or brine to water heat pumps Rated brine or water flow rate outdoor heat exchanger __ m h Additional information required by COMMISSION REGULATION EU No 813 2013 Table 2 Emissions of nitrogen oxides NO x 40 mg kWh variable Power consumption in modes other than active mode Supplementary heater For heat pump space heaters and heat pump combination hea...

Страница 39: ...ption Q HE 239 GJ Rated heat output Prated 36 4 kW Seasonal space heating energy efficiency η s 117 Tj 2 C Pdh 36 4 kW Tj 2 C PERd 120 Tj 7 C Pdh 23 3 kW Tj 7 C PERd 123 Tj 12 C Pdh 10 6 kW Tj 12 C PERd 118 Tj bivalent temperature Pdh kW Tj bivalent temperature PERd Annual energy consumption Q HE 150 GJ Table 8 COMMISSION DELEGATED REGULATION EU No 811 2013 Parameters shall be declared for average...

Страница 40: ...ower level indoors outdoors L WA 74 dB For water or brine to water heat pumps Rated brine or water flow rate outdoor heat exchanger __ m h Additional information required by COMMISSION REGULATION EU No 813 2013 Table 2 Emissions of nitrogen oxides NO x 40 mg kWh variable Power consumption in modes other than active mode Supplementary heater For heat pump space heaters and heat pump combination hea...

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Страница 44: ... 888111 F 39 035 884165 www robur it robur robur it 10 02 2017 16MCMSDC023 Code D LBR548 Revision X Robur is dedicated to dynamic progression in research development and promotion of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners Robur mission ...

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