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Summary of Contents for Robur GAHP-A
- Page 1 Installation, Use and Maintenance Manual GAHP-A Air-Water gas absorption heat pump powered by gas and renewable energies...
- Page 2 Revision: V Code: D-LBR548 This Manual has been drawn up and printed by Robur S.p.A.; whole or partial reproduction of this Manual is forbidden. The original is filed at Robur S.p.A. Any use of this Manual other than for personal referencing must be previously authorised by Robur S.p.A.
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Page 3: Table Of Contents
Operative codes..............36 Water circulation pump ..........21 APPENDICES ��������������������������������������������������������39 Anti-icing function............21 Anti-icing liquid ..............21 Declaration of Conformity ..........39 System water quality ............22 Product fiche............... 40 Installation filling .............. 22 Installation, Use and Maintenance Manual – GAHP-A... -
Page 4: I Introduction
Control device appliance. In order to be able to work, the GAHP-A unit needs a control Recipients device (DDC, CCP/CCI or external requests), which must be con- This Manual is intended for: nected by the installer. - Page 5 Water-ammonia solution and exclusively act through the control device pro- The GAHP unit uses the ammonia-water absorption vided (DDC, CCP/CCI or external request). cycle. The water-ammonia solution is contained in the Installation, Use and Maintenance Manual – GAHP-A...
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Page 6: Conformity
1 Features and technical data In the event of failure Furthermore, they comply with the requirements of the follow- ing standards: Operations on internal components and repairs may UNI EN 677 Specific requirements for condensing boilers exclusively be carried out by a TAC, only using original ▶... -
Page 7: Dimensions
S1 silenced fan (reduction of electrical consump- ▶ Standard or silenced fan tion and reduction of sound emission). According to the type of fan the GAHP-A unit is available in two Control and safety devices versions: standard fan, for applications that do not require a special S61 electronic board with microprocessor, LCD display and ▶... - Page 8 1 Features and technical data Figure 1�2 – Size (Standard ventilation) Figure 1�3 – Dimensions (low consumption silenced fan)
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Page 9: Components
4. Combustion air inlet 5. Blower 6. Ignition transformer 7. Tmix Probe 8. Oil pump 9. Water return fitting: “G 1”¼ F 10. Water inlet connection: “G 1”¼ F 11. Gas connection 12. TA Probe Installation, Use and Maintenance Manual – GAHP-A... - Page 10 1 Features and technical data Figure 1�5 – Internal components - left side view LEGEND 1. Flue gas thermostat reset 2. Flue gas thermostat sensor 3. Ø 80mm flue gas drain 4. Generator fin temperature sensor 5.
- Page 11 LEGEND 1. TG Probe 2. Safety valve 3. Delivery pipe flowmeter 4. Delivery temperature probe 5. Limit thermostat 6. Defrosting valve 7. Return temperature probe 8. Teva Probe Installation, Use and Maintenance Manual – GAHP-A...
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Page 12: Electrical Wiring Diagram
1 Features and technical data 1�4 ELECTRICAL WIRING DIAGRAM Figure 1�7 – Wiring diagram of the appliance with low consumption fan (S1) LEGEND SCH1 S61 circuit board Gas valve ON indicator lamp THMC Hot water delivery temperature sensor SCH2 W10 circuit board Gas solenoid valve TMIX Combustion air temperature sensor... -
Page 13: Electronic Boards
Satellite W10 electronic board (Figure 1.11 p. 15), inter- cessor, it controls the appliance and displays data, messages ▶ connected to the S61 board and located next to it, used to control defrosting operations of the GAHP unit. Installation, Use and Maintenance Manual – GAHP-A... - Page 14 1 Features and technical data Figure 1�9 – Electronic board S61 LEGEND SCH1 Electronic board S61 Jumper CAN BUS Communication port with board SCH3 Electronic board Mod10 (see specific Jumper N.O. contact Mod10 picture for more details) Board connector W10 (on Mod10) SRT1 Oil hydraulic pump rotation sensor A1, A2...
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Page 15: Operation Mode
(2) MODULATING, i.e. at variable load from 50% to ON/OFF or modulating operation ▶ 100% of power, with circulating pump at variable flow. The GAHP unit may work in two modes: Installation, Use and Maintenance Manual – GAHP-A... -
Page 16: Controls
NO contact. This system only provides elementary The main functions are: control (on/off, with fixed set-point temperature), hence without adjustment and control of one (or more) Robur units of the ▶ the important functions of systems (1) and (2). It is advisable to absorption line (GAHP, GA, AY);... - Page 17 (10) Maximum sound pressure levels in free field, with directionality factor 2, obtained from the sound power level in compliance with standard EN ISO 9614. (11) Under transitory conditions lower temperatures are allowed. (12) PCI (G27) 27,89 MJ/m3 (1013 mbar 15 °C). Installation, Use and Maintenance Manual – GAHP-A...
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Page 18: Transport And Positioning
2 Transport and positioning Table 1�2 – PED data GAHP-A HT STD GAHP-A HT S1 PED data Generator 18,6 Leveling chamber 11,5 Evaporator COMPONENTS UNDER PRESSURE Cooling volume transformer Cooling absorber solution Solution pump TEST PRESSURE (IN AIR) bar g... -
Page 19: Appliance Positioning
The appliance may be installed at ground level, on a terrace closed courtyards, restricted spaces may amplify the acous- ▶ or on a roof, compatibly with its dimensions and weight. tic impact due to the reverberation phenomenon. Installation, Use and Maintenance Manual – GAHP-A... -
Page 20: Minimum Clearance Distances
3 Heating engineer 2�4 MINIMUM CLEARANCE DISTANCES Clearances around the appliance The minimum clearance distances shown in Figure 2.2 p. 20 (bar any stricter regulations) are required for safety, operation Distances from combustible or flammable materials and maintenance. Keep the appliance away from combustible or flammable ▶... -
Page 21: Installation
Mod10 electronic board (see Paragraph 1.5 p. 13). Any 3�6 ANTI-ICING LIQUID other type of pump will give constant flow. Refer to the Design Manual for the features of the Wilo Stratos Para pump. Precautions with glycol Installation, Use and Maintenance Manual – GAHP-A... -
Page 22: System Water Quality
3 Heating engineer The manufacturer disclaims any liability for any damage With high glycol percentage (> 20…30%) caused by improper glycol use. If the glycol percentage is ≥30% (for ethylene glycol) or Always check product suitability and its expiry date ≥20% (for propylene glycol) the TAC must be alerted be- ▶... -
Page 23: Combustion Products Exhaust
▶ for flue gas analysis; Collar 1 support collar; ▶ 1 90° elbow Ø 80 mm; ▶ How to install the flue gas kit 1 rain cover. ▶ Figure 3.2 p. 23 J34: Installation, Use and Maintenance Manual – GAHP-A... -
Page 24: Flue Gas Condensate Discharge
Always provide a socket for flue gas analysis, in an accessible ▶ position. 3�11 FLUE GAS CONDENSATE DISCHARGE The GAHP-A unit is a condensing appliance and therefore pro- duces condensation water from combustion flue gases. Condensate acidity and exhaust regulations The flue gas condensate contains aggressive acid sub- stances. -
Page 25: Electrical Systems
3. Run the cables through the suitable holes in the Con- nection Plate. 4. Run the cables through the suitable cable glands in the Electrical Board. 5. Identify the appropriate connection terminals. 6. Perform the connections. Installation, Use and Maintenance Manual – GAHP-A... -
Page 26: Electrical Power Supply
4 Electrical installer Figure 4�1 – Electrical Panel GAHP-A LEGEND CAN-BUS cable gland signal cable gland 0...10 V pump Wilo Stratos Para electronic boards S61+Mod10+W10 terminal boxes transformer 230/23 V AC flame control unit circulation pump power supply and control cable gland ... -
Page 27: Set-Up And Control
4 Electrical installer 4�4 SET-UP AND CONTROL remotely control one or more Robur appliances with the DDC or CCP/CCI control devices. It entails a certain number of serial nodes, distinguished in: Control systems, options (1) (2) (3) intermediate nodes, in variable number;... - Page 28 4 Electrical installer Figure 4�4 – Connexion câble CAN BUS for plants with one unit LEGEND direct digital control electronic board S61 Jumper CAN-BUS in board S61 Jumper CAN-BUS in board DDC terminal nodes connection - (3 wires; J1 e J21 = "closed") H,L,GND data signal wires (rif.
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Page 29: Water Circulation Pump
2. Isolate the black wire and the blue one. 3. Protect the pump's supply line with a double pole switch with 2 A delayed fuse (Detail IP, Fig- ure 4.7 p. 30 J 45), or connect it directly to the Installation, Use and Maintenance Manual – GAHP-A... - Page 30 4 Electrical installer Figure 4�7 – Wiring diagram for connection of Wilo variable rate pumps LEGEND Bipolar pump power switch Fuse Hot water circulation pump (primary circuit) Pump signal 0-10V wire colours brown connect to -ve white connect to +ve black isolate blue isolate Wiring diagram for connection of Wilo variable rate pumps...
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Page 31: First Start
Should the TAC find any non conformities, the user/installer is ▶ tional and local regulations. bound to perform any corrective procedures required by the TAC. Installation, Use and Maintenance Manual – GAHP-A... -
Page 32: Normal Operation
First start-up by TAC When the appliance is powered on, all the LEDs switch on for ▶ First start-up may exclusively be carried out by a Robur 3 sec, then the S61 board name is displayed. TAC (Chapter 5 p. 31). After another 15 sec, the appliance is ready to operate. - Page 33 (see also Figure 6.1 p. 33): the menu "1�", display only, for current values of appli- ▶ 1. Remove the front panel by removing the fixing ance parameters; screws. Installation, Use and Maintenance Manual – GAHP-A...
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Page 34: Modifying Settings
6 Normal operation 2. Remove the cover of the electrical board to access °C); to reconfirm the pre-existing value press the the S61 board knob. knob again, otherwise go to point 3. 3. Act on the knob by means of the special key through 3. -
Page 35: Efficiency
GAHP-A GAHP-GS/WS GAHP-AR Clean the combustion chamber √* √* √ √ √* Clean the burner √* √* √ √ √* Clean the electrodes of ignition and flame sensing √ √ √ √ √ Installation, Use and Maintenance Manual – GAHP-A... -
Page 36: Periods Of Inactivity
8 Diagnostics SCHEDULED MAINTENANCE OPERATIONS TO BE PERFORMED AT LEAST ONE EVERY TWO YEARS Check that the condensate discharge is clean √ √ √ Replace the silicone gasket between the front plate and the exchanger √ *Only in case the analysis of combustion products is non-compliant 7�4 PERIODS OF INACTIVITY 4. - Page 37 Reset occurs automatically when the condition that generated the HIGH HOT WATER DIFFERENTIAL Reset occurs automatically 20 minutes after the code ceases. TEMPERATURE code is generated. If the code shows up again or in case of doubt contact the TAC. Installation, Use and Maintenance Manual – GAHP-A...
- Page 38 8 Diagnostics CODES DESCRIPTION Warning (u) Error (E) SATELLITE BOARD NOT PRESENT Contact authorised Technical Assistance. Non-blocking Warning (informative code). DEFROSTING FUNCTION ACTIVATED The code clears automatically when execution of defrosting ends. WATER FLOW IN THE PASSIVE HOT Reset is automatic when the triggering condition MODULE ceases.
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Page 39: Appendices
Address : Via Parigi 4/6 City, Country : Verdellino/Zingonia 24040 (Bg), Italy This is to declare that the ROBUR Gas Absortion Heat Pump (GAHP) are in conformity with the following EC- Directives: Machinery Directive 2006/42/EC with subsequent amendments and integrations. -
Page 40: Product Fiche
Figure 2 Table 8 COMMISSION DELEGATED REGULATION (EU) No 811/2013 Technical parameters for heat pump space heaters and heat pump combination heaters Model(s): GAHP-A STD Air-to-water heat pump: Water-to-water heat pump: Brine-to-water heat pump: Low-temperature heat pump: Equipped with a supplementary heater: Heat pump combination heater: Parameters shall be declared for medium-temperature application. - Page 41 Pdesignh , and the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup(Tj) . Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 2: Emissions of nitrogen oxides: Installation, Use and Maintenance Manual – GAHP-A...
- Page 42 Figure 4 Table 8 COMMISSION DELEGATED REGULATION (EU) No 811/2013 Technical parameters for heat pump space heaters and heat pump combination heaters Model(s): GAHP-A S1 Air-to-water heat pump: Water-to-water heat pump: Brine-to-water heat pump: Low-temperature heat pump: Equipped with a supplementary heater: Heat pump combination heater: Parameters shall be declared for medium-temperature application.
- Page 43 Pdesignh , and the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup(Tj) . Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 2: Emissions of nitrogen oxides: Installation, Use and Maintenance Manual – GAHP-A...
- Page 44 Robur mission 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 Spa advanced climate control technologies Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111∅F +39 035 884165...
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