Robur GAHP-GS Installation, Use And Maintenance Manual
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Summary of Contents for Robur GAHP-GS
- Page 1 Installation, Use and Maintenance Manual GAHP-GS/WS water/water gas absorption heat pump powered by gas and renewable energies...
- Page 2 Revision: T Code: D-LBR509 This manual has been drawn up and printed by Robur S.p.A.; whole or partial reproduction of this manual is prohibited. The original is filed at Robur S.p.A. Any use of this manual other than for personal consultation must be previously authorised by Robur S.p.A.
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Page 3: Table Of Contents
Hydraulic connections ............ 20 Operative codes..............42 Water circulation pumps ..........21 APPENDICES ��������������������������������������������������������45 Anti-icing function............21 Anti-icing liquid ..............21 Declaration of Conformity ..........45 System water quality ............22 Product fiche............... 46 Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 4: I Introduction
GAHP-WS units and must be handed to the end user to- Control device gether with the appliance. In order to be able to work, the GAHP-GS/WS unit needs a con- Recipients trol device (DDC, CCP/CCI or external request), which must be This Manual is intended for: connected by the installer. - Page 5 Water-ammonia solution vided (DDC, CCP/CCI or external request). The GAHP unit uses the ammonia-water absorption cycle. The water-ammonia solution is contained in the Installation, Use and Maintenance Manual – GAHP-GS/WS...
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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
Renewable source water inlet Ø 1"¼ Power supply cables input Renewable source water flow Ø 1"¼ Ventilation fan Hot water flow Ø 1"¼ Burner on warning light Ø 1"¼ safety valve drain ducting Installation, Use and Maintenance Manual – GAHP-GS/WS... - Page 8 1 Features and technical data Figure 1�2 – Outdoor GAHP-GS/WS dimensional drawing LEGEND Flue gas output Ø 80 Combustion air inlet Ø 80 Flue gas thermostat manual reset Power supply cables input Ventilation fan Appliance operation warning light Gas connection Ø ¾"...
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Page 9: Components
Figure 1�3 – Internal components - front view LEGEND 1. Ventola di aerazione 2. Gas valve 3. Blower 4. Tmix Probe 5. Electrical panel 6. Oil pump 7. Flow meter (hot side) Installation, Use and Maintenance Manual – GAHP-GS/WS... - Page 10 1 Features and technical data Figure 1�4 – Internal components - left side view LEGEND 1. Manual air vent (cold side) 2. Flow switch (cold side)) 3. Flue gas thermostat reset 4. Ø 80mm flue gas exhaust 5. Flue gas thermostat sensor 6.
- Page 11 Figure 1�5 – Internal components - right side view LEGEND 1. Safety valve 2.TG Probe 3. Limit thermostat 4. Ignition transformer 5. Flow temperature probe (hot side) Installation, Use and Maintenance Manual – GAHP-GS/WS...
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Page 12: Electrical Wiring Diagram
1 Features and technical data 1�4 ELECTRICAL WIRING DIAGRAM Figure 1�6 – Appliance wiring diagram LEGEND SCH1 S61 Electronic board Gas valve ON warning light Flue gas temperature probe or genera- SCH2 W10 Electronic board Gas solenoid valve tor fins probe SCH3 Mod10 Electronic board THMF... - Page 13 Cold water inlet temperature probe IGN.BOX (L, N) Flame controller power output input supply 230 Vac Mod10 Board communication port Generator limit thermostat input Jumper CAN BUS SRT1 Oil pump rotation sensor input Installation, Use and Maintenance Manual – GAHP-GS/WS...
- Page 14 1 Features and technical data Figure 1�8 – Mod10 controller LEGEND HFLOW Not used CFLOW Condensation water sensor control SPI connector HPMP Primary circuit hot water pump control output (0-10 V) [A/GS/WS] CPMP Cold side water pump control output [GS/WS] NC1-C1 Status indication of locking warnig/error Blower control...
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Page 15: Operation Mode
DDC Controller to the CCP/CCI Manual and the Planning Manual. The main functions are: CCP/CCI Control setup and control of one (or more) Robur units of the ab- ▶ sorption line (GAHP, GA, AY); See CCP/CCI device Booklet. parameter figures display and setting;... - Page 16 1 Features and technical data GAHP GS HT GAHP WS maximum for heating °C Hot water delivery temperature maximum for DHW °C maximum heating °C maximum for DHW °C Hot water inlet temperature minimum temperature in continuous °C 20 (10) operation Thermal differential nominal...
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Page 17: Transport And Positioning
Do not leave parts of the packing within the reach of ▶ children (plastic, polystyrene, nails...) since they are potentially dangerous. Weight The crane and lifting equipment must be suitable for ▶ the load. Do not stand under suspended loads. ▶ Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 18: Appliance Position (Outdoor Version)
2 Transport and positioning Figure 2�1 – Lift GS/WS 2�4 INSTALLATION PREMISES (INDOOR In the event of handling with forklift or pallet truck, comply with the handling instructions shown on the VARIANT) packing. The installation premises must meet all the requirements set forth by laws, standards and regulations of the Country and place 2�3 APPLIANCE POSITION (OUTDOOR of installation regarding gas appliances and cooling appliances... -
Page 19: Mounting Base
System and components must be designed and installed ▶ consistently. flue gas exhaust; ▶ flue gas condensate discharge. Minimum water content ▶ High thermal inertia is conducive to efficient appliance opera- tion. Very short ON/OFF cycles are to be avoided. Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 20: Hydraulic Connections
For GAHP-WS with open circuit the EXCHANGER is Use pipes for heating/cooling installations, protected from obligatory. ▶ weathering, insulated for thermal losses, with vapour barrier to prevent condensation. Figure 3�1 – GAHP-GS Water diagram LEGEND 1. Anti-vibration connection 5. Shut-off valves 9. Expansion tank 2. Pressure gauge 6. -
Page 21: Water Circulation Pumps
The active anti-icing self-protection is only effective if The Table 3.1 p. 22 shows, indicatively, the effects of using a the power and gas supplies are assured. Otherwise, an- glycol depending on its %. ti-icing liquid might be required. Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 22: System Water Quality
3 Heating engineer Table 3�1 – Technical data for filling the hydraulic circuit GLYCOL % WATER-GLYCOL MIXTURE FREEZING TEMPERATURE -3°C -5°C -8°C -12°C -15°C -20°C -25°C PERCENTAGE OF INCREASE IN PRESSURE DROPS LOSS OF EFFICIENCY OF UNIT 0,5% 2,5% Contact specialised forms or professionals for water ▶... -
Page 23: Combustion Products Exhaust
The appliance is supplied complete with air intake and flue gas exhaust kit to be fitted by the installer Indoor configurations The possible configurations are shown in the Figures 3.3 p. 24, 3.4 p. 25, 3.5 p. 26, 3.6 p. 27, 3.7 p. 28, Installation, Use and Maintenance Manual – GAHP-GS/WS... - Page 24 3 Heating engineer Figure 3�3 – Type C13 coaxial flue gas exhaust LEGEND 80/125 Splitter DN80/125 2xDN80 B Wall coaxial terminal DN80/125 E Coaxial pipe 80/125 L= 1 m (o 2 m) F Coaxial elbow 90° (or 45°) 80/125 60/100 A Splitter DN60/100 2xDN80 B Wall coaxial terminal DN60/100 E Coaxial pipe 60/100 L= 1 m (o 2 m)
- Page 25 B Roof coaxial terminal 60/100 C Pitched roof tile terminal D Flat roof tile terminal E Roof coaxial pipe 60/100 L= 1 m (or 2 m) F Coaxial elbow 90° (or 45°) 60/100 Installation, Use and Maintenance Manual – GAHP-GS/WS...
- Page 26 3 Heating engineer Figure 3�5 – Type C43 coaxial flue gas exhaust LEGEND 80/125 A Splitter DN80/125 2xDN80 B Wall passage DN 80/125 C Chimney support kit DN80 D Chimney cowl DN80 w/terminal E Coaxial elbow 90° (or 45°) 80/125 G Pipe DN 80 L=1 m (or 2 m) H 90°...
- Page 27 Split exhaust intake kit DN80 D Chimney cowl DN80 w/terminal E Chimney support kit DN80 F Pipe DN80 L = 1 m (or 2 m) G 90° Elbow DN80 H 45° Elbow DN80 Installation, Use and Maintenance Manual – GAHP-GS/WS...
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Page 28: Flue Gas Condensate Discharge
3 Heating engineer Figure 3�7 – Type C53 split wall flue gas exhaust LEGEND B C D Wall terminal kit DN80 F Pipe DN80 L=1 m (or 2 m) G 90° Elbow DN80 H 45° Elbow DN80 The flue must be designed, sized, tested and constructed by Any flue ▶... -
Page 29: Safety Valve Exhaust (Indoor Version)
A Condensate drain cap D Corrugated hose 4 ELECTRICAL INSTALLER 4�1 WARNINGS Read the warnings in Chapter III p. 4, providing im- portant information on regulations and on safety. General warnings Compliance with installation standards Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 30: Electrical Systems
4 Electrical installer Installation must comply with applicable regulations in 7. Close the Electrical Panel.and fit the front panel back force, based on the installation Country and site, in mat- ters of safety, design, implementation and maintenance of electrical systems. Installation must also comply with the manufacturer's provisions. -
Page 31: Electrical Power Supply
3. Provide the earth lead-in wire longer than live ones (last to be torn in the event of accidental pulling). Example of connection of appliance to 230 V 1 N - 50 Hz electricity supply Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 32: Set-Up And Control
CAN-BUS signal cable, shielded, compliant to Table cable of the same name, makes it possible to connect and re- 4.1 p. 32 (admissible types and maximum distances). motely control one or more Robur appliances with the DDC or CCP/CCI control devices. Table 4�1 – CAN BUS cables type... - Page 33 24 V AC and heating request, if the unit works with heating priority, or to terminals R andY, respective- ly common 24 V AC and cooling request, if the unit works with cooling priority (Detail CS). Installation, Use and Maintenance Manual – GAHP-GS/WS...
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Page 34: Water Circulation Pumps
4 Electrical installer Figure 4�5 – Wiring diagram, heating priority external request Figure 4�6 – Wiring diagram, cooling priority external request connection connection LEGEND LEGEND Electronic board Electronic board Common Common Heating enable terminal Cooling request terminal Components NOT SUPPLIED Components NOT SUPPLIED external enable external request... - Page 35 "-" HPMP and the white wire to terminal "+" HPMP of the Mod10 board. 2. Connect the brown wire of the cold side pump to terminal "-" CPMP and the white wire to terminal "+" CPMP of the Mod10 board. Installation, Use and Maintenance Manual – GAHP-GS/WS...
- Page 36 4 Electrical installer Figure 4�8 – Wiring diagram for connection of Wilo Stratos Para variable rate pumps LEGEND Two-position pump power switch Fuse Hot side water circulation pump (primary circuit) Cold side water circulation pump Pump signal 0-10V wire colours brown connect to -ve white white connect to +ve black isolate...
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Page 37: First Start
(methane ▶ Robur TAC. NEITHER the user NOR the installation tech- or LPG); nician is authorised to perform such operations, under supply gas pressure complying with the values of Table ▶... -
Page 38: Normal Operation
6 Normal operation Abnormal or hazardous installation situations appliance defects or faults caused during transport or instal- ▶ lation; Should any abnormal or hazardous installation situations be found, the TAC shall not perform First start-up and the appliance gas smell; ▶... -
Page 39: Electronic Adjustment On The Machine - Menus And Parameters Of The S61 Board
How to access the Menus and Parameters display and setting (parameters) or control (reset) Before Starting: Menu for the user (but for the installer and TAC as well) (1) Power supply switch "ON"; Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 40: Modifying Settings
6 Normal operation (2) Display of the S61 board showing in sequence the If the appliance is not connected to a DDC or CCP/CCI detected water temperature data (if the appliance is in control, to raise/lower the water temperature set-point normal operation), or the flashing malfunction and fail- with the S61 board, proceed as follows: ure codes (if the appliance is in failure). -
Page 41: Efficiency
1 - It is suggested the cleaning of the air heat exchanger once every 4 years [the optimal frequency of this operation is in any case a consequence of the installation site]. 7�3 SCHEDULED ROUTINE MAINTENANCE For scheduled routine maintenance, perform the operations ▶ in Table 7.2 p. 42, at least once every 2 years. Installation, Use and Maintenance Manual – GAHP-GS/WS... -
Page 42: Periods Of Inactivity
8 Diagnostics Table 7�2 SCHEDULED MAINTENANCE OPERATIONS TO BE PERFORMED AT LEAST ONE EVERY TWO YEARS Check of the unit GAHP-A GAHP-GS/WS GAHP-AR Clean the combustion chamber √* √* √ √ √* Clean the burner √* √* √ √ √* Clean the electrodes of ignition and flame sensing √... - Page 43 • Check configuration of other chillers on the system. • Check water flow. COLD WATER TEMPERATURE LOWER THAN • Check system's chilling load. OPERATIVE LIMITS Reset is automatic when the triggering condi- tion ceases. Installation, Use and Maintenance Manual – GAHP-GS/WS...
- Page 44 8 Diagnostics CODE DESCRIPTION Warning (u) Error (E) • Check configuration of other chillers on the system. • Check water flow. COLD WATER TEMPERATURE LOWER THAN OPER- • Check system's chilling load. ATIVE LIMITS (HEAT ONLY UNIT) Reset is automatic when the triggering condi- tion ceases.
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Page 45: 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 46: 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-GS 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 47 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-GS/WS...
- Page 48 Appendices 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-WS 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 49 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-GS/WS...
- Page 50 Appendices...
- Page 52 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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