Robur GAHP-AR Installation, Use And Maintenance Manual
Air-water reversible absorption heat pumps for heating and cooling
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Summary of Contents for Robur GAHP-AR
- Page 1 Installation, Use and Maintenance Manual GAHP-AR Air-Water reversible absorption heat pumps for heating and cooling powered by gas and renewable energies...
- Page 2 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...
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Page 3: Table Of Contents
Water circulation pump .......... p. 25 5 First start-up ��������������������������������������������� p� 26 Preliminary checks ............ p. 26 6 Normal operation ������������������������������������� p� 27 Warnings ................. p. 27 Switch on and off ............ p. 27 Messages on the display ........... p. 27 Installation, use and maintenance manual – GAHP-AR... -
Page 4: Introduction
CONTROL DEVICE In order to be able to work, the GAHP-AR unit needs a control RECIPIENTS device (DDC or external request), which must be connected by the installer. - Page 5 „ For electrical connections exclusively use compliant vicing in case of need. components and according to the specifications pro- „ Only use original parts. vided by the manufacturer. „ Ensure the appliance cannot be accidentally switched Installation, use and maintenance manual – GAHP-AR...
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Page 6: Iii.2 Conformity
Warnings Decommissioning and disposal of the operational ranges set forth by the manufac- turer. „ Damages caused by external agents such as salts, If the appliance is to be disposed of, contact the manu- chlorine, sulphur or other chemical substances con- facturer for its disposal. -
Page 7: Features And Technical Data
▶ with silenced fan (GAHP-AR S). ▶ DIMENSIONS Figure 1�1 GAHP-AR dimensions - Front and right side views (dimensions in mm) Position of holes for fixing of anti-vibration joints Installation, use and maintenance manual – GAHP-AR... - Page 8 Figure 1�2 GAHP-AR S dimensions - Front and right side views (dimensions in mm) Position of holes for fixing of anti-vibration joints Figure 1�3 GAHP-AR service plate - Detail of hydraulic and gas connections (dimensions in mm) Gas supply 3/4" F Water flow to installation 1"1/4 F...
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Page 9: Components
Tapping point for flue analisys Combustion air intake Combustion blower Gas valve Electrical panel Oil pump Water inlet connection Ø 1"1/4 F Water flow connection Ø 1"1/4 F Gas connection Ø 3/4" F Room temperature probe Installation, use and maintenance manual – GAHP-AR... - Page 10 Features and technical data Figure 1�5 Internal components - left side view Generator fin temperature sensor D 80 flue gas exhaust Flame sensing / ignition electrodes...
- Page 11 Safety valve Inlet temperature probe Defrosting valve TG generator temperature probe Limit thermostat Flow temperature probe Flow switch Teva evaporator temperature probe TCN probe Installation, use and maintenance manual – GAHP-AR...
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Page 12: Electrical Wiring Diagram
Features and technical data ELECTRICAL WIRING DIAGRAM Figure 1�7 Unit GAHP-AR wiring diagram gas solenoid valve water flow switch CNTBOX flame control unit gas flow warning lamp generator limit thermostat (man- ignition electrodes air pressure switch ual reset) IGNTR ignition transformer... - Page 13 230 Vac fuse T 2A SRT1 oil pump rotation sensor input MAIN board supply input 230 Vac fuse T 3,15A SRT2 not used PUMP 230V (L, N) oil hydraulic pump supply Installation, use and maintenance manual – GAHP-AR...
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Page 14: Controls
ON/OFF mode (non modulating). For more details refer to the DDC, RB100, RB200 Manuals and the Design Manual. DDC Controller The main functions are: setup and control of one (or more) Robur units of the ab- ▶ sorption line (GAHP, GA, AY); parameter figures display and setting;... -
Page 15: Technical Characteristics
(10) Sound power values detected in compliance with the intensity measurement methodology set forth by standard EN ISO 9614. (11) Maximum sound pressure levels in free field, with directionality factor 2, obtained from the sound power level in compliance with standard EN ISO 9614. (12) Overall dimensions excluding fumes pipes. Installation, use and maintenance manual – GAHP-AR... -
Page 16: Transport And Positioning
Transport and positioning GAHP-AR GAHP-AR S Standard type Water fitting thread “ G 1 1/4 type Gas connection thread “ G 3/4” diameter (Ø) Fume outlet residual head Type of installation B23, B53 width Dimensions depth 1230 height 1445 (12) -
Page 17: Appliance Positioning
In order to work correctly, the appliance needs The structure of the building must support the total weight ▶ clean air. of the appliance and the supporting base. If necessary, provide a maintenance walkway around the ▶ Installation, use and maintenance manual – GAHP-AR... -
Page 18: Heating Engineer
Heating engineer appliance. phenomena might occur in roof or terrace installations. Use anti-vibration mountings� ▶ Anti vibration mountings Also provide anti-vibration joints between the appliance ▶ and water and gas pipes. Although the appliance's vibrations are minimal, resonance HEATING ENGINEER WARNINGS Minimum water content High thermal inertia is conducive to efficient appliance opera-... -
Page 19: Water Circulation Pump
8 (in compliance with applicable rules). value referred to the maximum water temperature of 80 °C. in compliance with applicable rules. Water topping up The chemical-physical properties of the system's water may alter Installation, use and maintenance manual – GAHP-AR... -
Page 20: Installation Filling
13 (2) 2ELwLs3P 2E(S) 3B/P (1) GAHP-AR not approved for G25.1, G25.3 gases. (2) GA ACF not approved for G25.1, G27, G2.350, G25.3 gases. Vertical pipes and condensate of the condensate that may form inside the pipe. If necessary, insulate the piping. -
Page 21: Combustion Products Exhaust
3.11 FLUE GAS CONDENSATE DISCHARGE The GAHP-AR unit produces condensation water from the com- bustion flue gas. Condensate acidity and exhaust regulations The flue gas condensate contains aggressive acid sub- stances. -
Page 22: Defrosting Water Drainage
Electrical installer 3.12 DEFROSTING WATER DRAINAGE appliance performs defrosting cycles. Collection basin and drainage system Defrosting Provide for a collection basin or containment rim and a dis- ▶ charge system of the defrosting water, to avoid overflowing, In winter, frost may form on the finned coil and the icing and damage. -
Page 23: Electrical Power Supply
Connect the three lead-in wires to the terminal (TER) in the electrical panel on the machine. 3� Provide the earth lead-in wire longer than live ones (last to be torn in the event of accidental pulling). Installation, use and maintenance manual – GAHP-AR... -
Page 24: Set-Up And Control
(admissible types and maximum distances). motely control one or more Robur appliances with the DDC or For lengths ≤200 m and max 4 nodes (e.g. 1 DDC + 3 GAHP), a CCP/CCI control devices. -
Page 25: Water Circulation Pump
24 Vac common power supply terminal hot consent terminal On/Off command terminal - cold operation WATER CIRCULATION PUMP 4.5.1 CONSTANT FLOW circulating pump It must be mandatorily controlled from the S61 electronic board. Installation, use and maintenance manual – GAHP-AR... -
Page 26: First Start-Up
▶ Robur TAC. NEITHER the user NOR the installation tech- tional and local regulations. nician is authorised to perform such operations, under Abnormal or hazardous installation situations penalty of voiding the warranty. -
Page 27: Normal Operation
First start-up by TAC MESSAGES ON THE DISPLAY First start-up may exclusively be carried out by a Robur 4 digit display TAC (Chapter 5 p. 26 ). The S61 board of the appliance (Paragraph 1.5 p. 12 , Figure 6.1 ... - Page 28 Electronic board S61 (in every unit) Figure 6�2 Eletronic board AR11 Satellite controller AR11 (present only in GAHP-AR unit) Display knob (Detail B in Figure 6.1 p. 28 ): Enter the menu list (by pressing the first time); The 4-digit display of the S61 board (Detail A Figure 6.1 p. 28 ) ▶...
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Page 29: Modifying Settings
(first green figure on the left, letter "U" = at the end of the list. " warning or "E" = error). 8� Select the parameter of interest (e.g. with code 161 Installation, use and maintenance manual – GAHP-AR... -
Page 30: Efficiency
Maintenance To restart the appliance you must know and perform the How to perform reset from the S61 board ▶ procedure concerning the issue signalled and identified by the code (Paragraph 8.1 p. 32 ). To perform the reset directly from the S61 board: Only act if you are familiar with the issue and with the pro- 1�... -
Page 31: Pre-Emptive Maintenance
Skilled Personnel. 2� Only when the appliance is completely off, pow- 2� Power on with the main power supply switch (GS, er it off with the main switch/disconnector switch Figure 4.2 p. 23 ). Installation, use and maintenance manual – GAHP-AR... -
Page 32: Diagnostics
3� Switch on the appliance by means of the provided 4.4 p. 24 ). control device (DDC or external request, Paragraph DIAGNOSTICS OPERATIVE CODES Table 8�1 Operative Codes GAHP-AR CODES DESCRIPTION Warning (u) Error (E) • Power cycle the appliance. FAULT ON RESET CIRCUIT OF... - Page 33 Reset may be performed from the DDC or from the S61 board FAULTY AMBIENT TEMPERATURE (menu 2, parameter 1). PROBE If the code persists, shows up again or in case of doubt, contact the TAC. Installation, use and maintenance manual – GAHP-AR...
- Page 34 Diagnostics CODES DESCRIPTION Warning (u) Error (E) CONTROLLER DEFECTIVE Contact authorised Technical Assistance. NA: Not Applicable...
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Page 35: Appendices
Tj = +2 °C PERd PERd Tj = +7 °C 20,9 Tj = +7 °C Tj = +12 °C Tj = +12 °C PERd Tj = bivalent temperature Tj = bivalent temperature PERd Annual energy consumption Installation, use and maintenance manual – GAHP-AR... - Page 36 Appendices Figure TOL < For air-to-water heat pumps: Bivalent temperature °C °C Operation limit temperature designh Heating water operating limit WTOL °C temperature Power consumption in modes other than active mode Supplementary heater Rated heat output Off mode 0,000 Psup Thermostat-off mode 0,023 Type of energy input...
- Page 37 Tj = +2 °C PERd Tj = +7 °C 20,9 Tj = +7 °C PERd Tj = +12 °C Tj = +12 °C PERd Tj = bivalent temperature Tj = bivalent temperature PERd Annual energy consumption Installation, use and maintenance manual – GAHP-AR...
- Page 38 Appendices Figure TOL < For air-to-water heat pumps: Bivalent temperature °C °C Operation limit temperature designh Heating water operating limit WTOL °C temperature Power consumption in modes other than active mode Supplementary heater Rated heat output Off mode 0,000 Psup Thermostat-off mode 0,023 Type of energy input...
- Page 40 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 S.p.A. advanced technologies for climate conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.it robur@robur.it...
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