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Summary of Contents for geminox Merite ZEM 2-17 C
- Page 1 SERVICING Gas conversion Maintenance Operating faults Options Parts lists Merite ZEM 2-17 C ZEM 5-25 C / ZEM 5-25 SEP T30.37902.03 High technology heating...
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Page 2: Table Of Contents
CONTENT - GAS CONVERSION ..........................3 - GAS CHANGE ............................3 1.1 - Conversion from natural gas to propane (option) ..............3 - GAS/CO2/CO/NOX FLOW CONTROL AND SERVICE PRESSURE CONTROL ......... 4 2.1 - Surveillance procedure ......................5 2.2 - Setting table ..........................6 - MAINTENANCE ............................ -
Page 3: I - Gas Conversion
I - GAS CONVERSION Check that the boiler is properly adapted to the gas used, otherwise change the gas. 1 - GAS CHANGE This operation must be carried out by (G20), 20 mbar. a qualified person equipped with a cal- When changing the gas, the “gas setting”... -
Page 4: Gas/Co2/Co/Nox Flow Control And Service Pressure Control
GAS CONVERSION 2 - GAS/CO /CO/NO FLOW CONTROL AND SERVICE PRESSURE CONTROL Fig. 2 = Network gas pressure Natural gas H (G20): 20 mbar, GAS VALVE Propane (G31): 37 mbar. SIEMENS/LANDIS = Outlet gas pressure to the burner. ref: VGU87A0236 PL = Air pressure control (Fan-Gas valve) V = Adjust the slope of the characteristic of the air/gas ratio only when the burner is at high rate. -
Page 5: Surveillance Procedure
GAS CONVERSION - return to normal operation by deactivating the Fig. 3 regulator shutdown function (refer Chimney flue section 2.5.3 - page 13 - chapter III - OPERA- TION - INSTALLATION MANUAL). Note: - Remember to reposition the d.h.w. setting button ZEM-36-0 to return to the required d.h.w. -
Page 6: Setting Table
GAS CONVERSION 2.2 - Setting table Models ZEM 2-17 C ZEM 5-25 Heat output (Heating) 30/50 °C 2.7/18,8 5.6/27.4 2.3/17.3 5.0/25.2 60/80 °C Heat input Heating Heating 2.5/17.6 5.2/25.6 5.2/29.0 ∅ Gas reducer Nat Gas H 4.20 6.20 Propane 4.65 ∅... -
Page 7: Maintenance
II - MAINTENANCE The annual inspection of the boiler and of the com- Remove the front panel (item G) from bustion product outlet is compulsory and validates the boiler and disconnect the earth wire warranty. It must be carried out by a qualified per- (item O). - Page 8 MAINTENANCE Disassembling the burner/fan unit: Fig. 5 - Disconnect the electrical connections of the burn- er/fan unit: • remove the 2 terminals (item A) of the cables connecting the ignition electrode to the ignition transformer, • removal at the back of the control panel (item 14): ZEM 2-17 X501 terminal:...
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Page 9: Servicing The Heat Exchanger Of The Boiler Shell
MAINTENANCE 2 - SERVICING THE HEAT EXCHANGER OF THE BOILER SHELL The heat exchanger must be cleaned once the burn- - refit the burner to the boiler shell, er has been disassembled (section 1 - page 7 - • check the correct positioning of the sealing chapter II - MAINTENANCE - SERVICING MANU- rope and change it. -
Page 10: Expansion Vessel Pre-Inflation Pressure Check
MAINTENANCE 5 - EXPANSION VESSEL PRE-INFLATION PRESSURE CHECK - Drop the pressure in the heating installation by • adjust its pre-inflation pressure in line with the opening the drain cock or the safety valve (pres- installation. It must correspond to the static sure gauge reading under 0.5 bar). -
Page 11: Draining
MAINTENANCE 8 - DRAINING - Cut the power supply, Fig. 7 - turn off the gas cock, - turn off the heating flow/return valves (if they are fitted), - connect the drain valve (item. 18) to the sewage system, - open the drain valve. Ensure that the air bleed (item. -
Page 12: Operating Faults
III - OPERATING FAULTS 1 - OPERATING FAULTS LIST Display A0 Description Solution Outside sensor fault Check that the sensor is correctly fitted and connected Boiler sensor fault Check that the sensor is correctly fitted and connected Flue gas detector fault Check that the sensor is correctly fitted and connected Flow sensor 1 fault... -
Page 13: Options
IV - OPTIONS 1 - REGULATION OF ROOM TEMPERATURE 1.1 - Room thermostat (REG 50) 1.3 - QAA 53 room unit kit (REG 54) The room unit kit includes a digital room sensor with The FAMOSO TYPE 850 is a room thermostat with a daily programme for controlling a heating system. -
Page 14: Selector Valve Kit For Connecting Zem
OPTIONS 2 - SELECTOR VALVE KIT FOR CONNECTING ZEM..C/BS The selector valve kit allows the connection of a Fig. 12 central heating only type boiler to a domestic hot water heater. Refer to kit installation instructions. 3 - EXTERNAL SELECTOR VALVE KIT FOR CONNECTING ZEM..C/BS The external selector valve kit allows the connection Fig. -
Page 15: Bs Type Domestic Hot Water Production System
OPTIONS 5 - BS TYPE DOMESTIC HOT WATER PRODUCTION SYSTEM BS domestic hot water production systems can pro- Fig. 15 duce hot water when the installation contains a boil- er that only operates for heating. The capacity of the BS systems varies with the mod- el chosen. -
Page 16: Parts List
V - PARTS LIST ZEM 2-17 C - 16 -... - Page 17 PARTS LIST Rep. Reference Description U09.34386 WELDED GAS PIPE E20.03890 SEALING AFM34 D 24X17X3 I20.17832 UNION REDUCER D.12 D. 4,20 E00.03424 NITRILE O’RING D. 8 X 2 80 SHORE V90.37482 VGU 87 GAS VALVE SET + TRANSFORMER (SIEMENS) V90.37483 SIT GAS VALVE SET + TRANSFORMER (SIT) C90.35865 IGNITION TRANSFORMER C90.37027...
- Page 18 PARTS LIST Rep. Reference Description C20.35893 ROTATING SWITCH ; 3 POSITIONS L60.32641 MANOMETER E20.36436 TIGHTNESS O’RING MANOMETER H20.36320 CONTROL PANEL H20.35935 AXLE BUTTON H20.35934 KNOB W09.37045 WIRED BOX PROGRAMME ZEM 2-17 C T25.31875 FIXING PART; UPPER COVER A00.19059 PLASTIC STOPPER MAL 9 WHITE E10.12503 EPDM STICKING SEAL PIPE 6/9 LENGTH 18 Y90.37579...
- Page 19 PARTS LIST ZEM 5-25 C - 19 -...
- Page 20 PARTS LIST Rep. Reference Description U09.34386 WELDED GAS PIPE E20.03890 SEALING AFM34 D 24X17X3 I20.12056 REDUCER D.12 D.4,60 I20.35244 GAS REDUCER D.6,20 E00.03424 NITRILE O’RING D. 8 X 2 80 SHORE V90.37482 VGU 87 GAS VALVE SET + TRANSFORMER (SIEMENS) V90.37483 SIT GAS VALVE SET + TRANSFORMER (SIT) C90.35865...
- Page 21 PARTS LIST Rep. Reference Description H20.36437 STAND FOR THE LIGHT C20.35893 ROTATING SWITCH ; 3 POSITIONS L60.32641 MANOMETER E20.36436 TIGHTNESS O’RING MANOMETER H20.36320 CONTROL PANEL H20.35935 AXLE BUTTON H20.35934 KNOB W09.37043 PROGRAMMED CONTROL BOX ; WIRED T25.31875 FIXING PART; UPPER COVER A00.19059 PLASTIC STOPPER MAL 9 WHITE E10.12503...
- Page 22 PARTS LIST ZEM 5-25 SEP - 22 -...
- Page 23 PARTS LIST Rep. Référence Désignation U09.34386 WELDED GAS PIPE E20.03890 SEALING AFM34 D 24X17X3 I20.12056 REDUCER D.12 D.4,60 I20.35244 GAS REDUCER D.6,20 E00.03424 NITRILE O’RING D. 8 X 2 80 SHORE V90.37482 VGU 87 GAS VALVE SET + TRANSFORMER (SIEMENS) V90.37483 SIT GAS VALVE SET + TRANSFORMER (SIT) C90.35865...
- Page 24 PARTS LIST Rep. Référence Désignation H20.36320 CONTROL PANEL H20.35935 AXLE BUTTON H20.35934 KNOB W09.37044 PROGRAMMED CONTROL BOX ; WIRED T25.31875 FIXING PART; UPPER COVER A00.19059 PLASTIC STOPPER MAL 9 WHITE E10.12503 EPDM STICKING SEAL PIPE 6/9 LENGTH 18 Y90.37579 ONE-PART COVER WHITE E20.36410 TIGHTNESS O’RING FOR CONTROL PANEL H20.35932...
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