Robur GAHP A indoor Installation, Use And Maintenance Manual
Air source gas absorption heat pump for installation in technical room
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Summary of Contents for Robur GAHP A indoor
- Page 1 Installation, use and maintenance manual GAHP A indoor air source gas absorption heat pump for installation in technical room 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. 19 Operative codes............. p. 35 Antifreeze function ............p. 20 Antifreeze liquid ............p. 20 9 Appendices ................p. 38 System water quality ........... p. 20 Product fiche..............p. 38 System filling ..............p. 21 Installation, use and maintenance manual – GAHP A indoor... -
Page 4: Iintroduction
CONTROL DEVICE In order to be able to work, the GAHP A indoor unit needs a con- RECIPIENTS trol device (DDC, CCP/CCI or external requests), which must be connected by the installer. - Page 5 Proper maintenance assures the efficiency and good op- eration of the appliance over time. „ Disconnect the electrical power supply before any oper- „ Maintenance must be performed according to the ation on appliance components. Installation, use and maintenance manual – GAHP A indoor...
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Page 6: Iii.2 Conformity
Warnings manufacturer's instructions (see Chapter 7 p. 33 ) and In particular, the warranty on the appliance may be ren- in compliance with current regulations. dered void by the following conditions: „ Appliance maintenance and repairs may only be entrust- ed to firms legally authorised to work on gas appliances „... -
Page 7: Features And Technical Data
Stainless steel, shell-and-tube recovery exchanger of flue gas Field of application ▶ latent heat. The GAHP A indoor unit is optimized for high temperature heat- Air exchanger with finned coil, with steel pipe and alumin- ▶ ing installations, with hot water up to +65°C (+70°C for DHW). - Page 8 Features and technical data Figure 1.2 GAHP indoor dimensions...
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Page 9: Components
Combustion air intake Water outlet connection Ø 1 1/4" F Combustion blower Gas connection Ø 3/4" F Ignition transformer TA outdoor temperature probe Tmix air-gas mixture temperature probe Air pressure intake Installation, use and maintenance manual – GAHP A indoor... - Page 10 Features and technical data Figure 1.4 Internal components - left side view Manual reset of the flue exhaust thermostat Safety valve drain Condensate drain siphon Sensing element of the flue exhaust thermostat DN80 flue exhaust connection Generator fin temperature sensor Flame sensor / ignition electrodes Condensate level sensor ...
- Page 11 TG generator temperature probe Safety valve Delivery pipe flowmeter Flow temperature probe Limit thermostat Defrosting valve Return temperature probe Teva evaporator temperature probe Installation, use and maintenance manual – GAHP A indoor...
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Page 12: Electrical Wiring Diagram
Features and technical data ELECTRICAL WIRING DIAGRAM Figure 1.6 Wiring diagram of the appliance with low consumption fan (S1) SCH1 Controller S61 Flame sensor THRC Hot water return temperature probe SCH2 W10 circuit board Gas valve on indicator lamp THMC Hot water flow temperature probe SCH3 Mod10 circuit board Gas solenoid valve... -
Page 13: Electronic Boards
(BK, WH, BR) Fan output N.O. CONTACT Normally open pump contact Combustion air temperature probe input (24V AC) board supply 24-0-24 Vac (R, W, Y, O) Enable input Flue gas thermostat input Installation, use and maintenance manual – GAHP A indoor... - Page 14 Features and technical data Figure 1.8 Mod10 controller HFLOW Not used CFLOW Condensation water sensor control S61 connector 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 Blower control W10 auxiliary controller connector W10 cable shielding connection...
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Page 15: Operation Mode
DDC Controller The main functions are: For connection of the selected device to the appliance's Setup and control of one (or more) Robur units of the ab- ▶ electronic board please refer to Paragraph 4.4 p. 27 . sorption line (GAHP, GA, AY). - Page 16 Features and technical data GAHP A Indoor maximum for heating °C Hot water return temperature maximum for DHW °C minimum temperature in continuous operation °C 30 (2) Thermal differential nominal °C nominal 2500 Heating water flow maximum 4000 minimum 1400...
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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 po- tentially 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 A indoor... -
Page 18: Installation Premises
Do not install inside a room that has no aeration open- ings. Figure 2.2 Clearances GAHP A indoor unit ventilation The aerothermal appliance requires aerated premises for regular air flow into the finned coil. The air exhaust above the fan mouth must be ducted outside in order to prevent air recirculation towards the aeration openings. -
Page 19: Hydraulic System
(1) CONSTANT FLOW circulating pump Refer to the Design Manual for the features of the Wilo Stratos The primary circulating pump must be obligatorily controlled Para pump. Installation, use and maintenance manual – GAHP A indoor... -
Page 20: Antifreeze Function
Heating engineer ANTIFREEZE FUNCTION „ Do not use car-grade antifreeze liquid (without inhibi- tors), nor zinc-coated piping and fittings (incompatible with glycol). Active antifreeze self-protection „ Glycol modifies the physical properties of water (densi- The appliance is equipped with an active antifreeze self-protec- ty, viscosity, specific heat...). -
Page 21: System Filling
A second stage pressure reducer, close to the appliance. Vertical gas pipes must be fitted with siphon and discharge ▶ ▶ of the condensate that may form inside the pipe. If necessary, insulate the piping. ▶ Installation, use and maintenance manual – GAHP A indoor... -
Page 22: Combustion Products Exhaust
Heating engineer 3.10 COMBUSTION PRODUCTS EXHAUST 1.2 p. 8 ). Combustion air intake fitting Compliance with standards Ø 80 mm (with gasket), on the left, at the top (Figure ▶ 1.2 p. 8 ). The appliance is approved for connection to a combus- tion products exhaust duct for the types shown in Table Flue gas exhaust 1.1 ... -
Page 23: Flue Gas Condensate Discharge
3.11 FLUE GAS CONDENSATE DISCHARGE Condensate acidity and exhaust regulations The GAHP A indoor unit is a condensing appliance and therefore The flue gas condensate contains aggressive acid sub- produces condensation water from combustion flue gases. stances. Refer to applicable regulations in force for con- densate exhaust and disposal. -
Page 24: Defrosting Water Drainage
Heating engineer „ If required, install an acidity neutraliser of adequate ca- Charging the siphon pacity. To prevent an initial discharge of combustion products from the condensate drain, charge the siphon itself as follows: Do not use gutters to discharge the condensate 1. -
Page 25: Fan Air Ducting
„ To turn the appliance on and off, exclusively use the suit- ably provided control device (DDC, CCP/CCI or external request). Control of water circulation pump The water circulation pump of the hydraulic/prima- ry circuit must mandatorily be controlled by the unit's Installation, use and maintenance manual – GAHP A indoor... -
Page 26: Electrical Power Supply
Electrical installer Figure 4.1 Electrical panel 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 GAHP power supply cable gland Terminals: TER terminal box L-(PE)-N Phase/earth/neutral GA power supply... -
Page 27: Set-Up And Control
Electrical installer 2. Connect the three lead-in wires to the terminal block remotely control one or more Robur appliances with the DDC or (TER) in the electrical panel on the machine. CCP/CCI control devices. 3. Provide the earth lead-in wire longer than live ones (last It entails a certain number of serial nodes, distinguished in: to be torn in the event of accidental pulling). -
Page 28: Water Circulation Pump
Electrical installer Figure 4.4 CAN bus connection for systems with one unit Direct Digital Control S61 controller Jumper CAN bus in board Jumpers CAN bus on DDC board Terminal node connection - (3 wires; J21 jumpers = "closed") H,L,GND Data signal wires (ref. cables table) External request Figure 4.5 ... - Page 29 3. Protect the pump's supply line with a double pole switch with 2 A delayed fuse (Detail IP, Figure 4.7 p. 30 ), or connect it directly to the terminals inside the appliance's electrical board (Detail MA, Figure 4.8 p. 30 ). Installation, use and maintenance manual – GAHP A indoor...
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Page 30: First Start-Up
FIRST START-UP First start-up entails checking/setting up the combus- technician is authorised to perform such operations, tion parameters and may exclusively be carried out under penalty of voiding the warranty. by a Robur TAC. NEITHER the user NOR the installation... -
Page 31: Preliminary Checks
The instructions on the use of the S61 electronic board concern ues are initialised by the TAC at first start-up. the firmware version 3.035. It is accessed without password. Menu for the installer or TAC (not accessible to the user) Installation, use and maintenance manual – GAHP A indoor... -
Page 32: Modifying Settings
Chapter III.1 p. 4 , providing important information SWITCH ON AND OFF on regulations and on safety. First start-up by TAC Routine switching on/off First start-up may exclusively be carried out by a Robur The appliance may exclusively be switched on/off by... -
Page 33: Modifying Settings
PRE-EMPTIVE MAINTENANCE For pre-emptive maintenance, comply with the recommendations in Table 7.1 p. 34 . Installation, use and maintenance manual – GAHP A indoor... -
Page 34: Scheduled Routine Maintenance
Maintenance Table 7.1 GAHP A GAHP GS/WS AY00-120 GA ACF GAHP-AR Guidelines for the preventive maintenance operations visually check of the general condition of the unit and of its finned coil √ (1) √ (1) √ (1) check the correct operation of the device used for monitoring the water √... -
Page 35: Periods Of Inactivity
Reset occurs automatically 20 minutes after the board (menu 2, parameter 21). Insufficient rotation of oil pump code is generated. If the code persists, shows up again or in case of doubt, contact the TAC. Installation, use and maintenance manual – GAHP A indoor... - Page 36 Diagnostics CODES DESCRIPTION Warning (u) Error (E) Check gas supply. Reset is automatic up to 4 attempts (in about 5 Reset may be performed from the DDC/CCI or from the S61 Flame controller lockout minutes). board (menu 2, parameter 20). If the code persists or in case of doubt, contact the TAC.
- Page 37 (menu 2, parameter 21). Outdoor temperature probe fault If the code persists, shows up again or in case of doubt, contact the TAC. Electronic board fault Contact the TAC. NA: Not Applicable Installation, use and maintenance manual – GAHP A indoor...
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Page 38: Appendices
Figure 9.1 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 INDOOR 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 39 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 indoor...
- 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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