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Instructions premix Air heaters type XR10.. 60

   

 

 

 

 

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Summary of Contents for XR10

Page 1: ...UMENT MUST ABSOLUTELY BE READ BEFORE STARTING THE INSTALLATION INSTRUCT USER AND LEAVE THIS DOCUMENT WITH HEATER FOR REFERENCE Instruction manual version GB 82b date 12 05 2005 heaters only for natural gas G20 ...

Page 2: ...URE CONTROLLED DESTRATIFICATION FAN 8 6 4 HIGH LIMIT PROTECTION 8 6 5 DESCRIPTION SPARE PARTS 8 6 6 FUNCTIONS OF THE DFC 9 7 PUTTING INTO OPERATION AND ADJUSTMENT 9 8 1 GENERAL 9 8 2 START BY USING THE SERVICE BUTTON 10 8 3 START BY BYPASSING THERMOSTAT 10 8 4 START BY USING THE THERMOSTAT 10 8 5 TO SIMULATE A LOCK OUT CONDITION 10 8 ADJUSTING THE GAS CONTROL 10 9 PROBLEM SOLVING 11 9 1 GENERAL 11...

Page 3: ...on of the air heater must be in accordance with the relevant requirements of the Gas Safety regulations for example in GB The Institute of Gas Engineers IGE UP 1 and 2 building regulations and the IIE regulations also incorporating the gas safety installation and use regulations Other national and or local regulations may apply The competent installer must make sure the heater operates correctly a...

Page 4: ... 230 230 Thermostat Open Therm yes yes yes yes yes yes Power Consumption W 250 250 250 450 450 600 Gas connection G 1 2 1 2 1 2 3 4 3 4 3 4 Minimum suspension height horizontal throw m 1 7 1 7 1 7 2 7 2 7 2 7 Minimum suspension height vertical throw m 4 4 4 5 6 6 Weight kg 36 37 38 78 80 82 Min supply pressure G20 H mbar 20 20 20 20 20 20 Gas category Cat I2H Class Clas B23 C13 C33 Max gas consump...

Page 5: ...r 4 for further installation restrictions 6 2 Gas connection The gas supply line has to meet the national valid requirements and possibly the local requirements of the building inspector police or fire brigade In GB it must comply with Gas Engineers publication UP 1 and UP 2 together with BS 6891 A manual isolation valve in the supply line must be placed within reach of the heater and all gas line...

Page 6: ...n this manual 24V is available on the connection terminals for possible use with this fault indication This contact is closed in a lockout condition 6 3 5 Reset The heater can be reset in 3 ways On the TCW thermostat On the DFC printed circuit board within the heater push the lower red button On a remote reset button For the connection see the diagram towards the end of this manual 6 3 6 Fuses The...

Page 7: ...of level Do not connect a standard flue terminal to this heater nor a terminal for a condensing boiler Use only pipes and bends for overpressure with profiled sealing rings 6 1 General The unit can heat as well as ventilate By using the temperature sensor on the unit and the one in the room thermostat the temperature difference between the two in the room is monitored Should the difference become ...

Page 8: ...15 C maximum by turning Potentiometer 2 P2 fully clockwise See below 6 4 High limit protection The unit contains 2 temperature protections The NTC thermostat monitors the air temperature electronically Should the temperature become too high the burner will switch off When the unit has cooled down it will automatically restart Should the temperature increase to an unacceptable level the STB capilla...

Page 9: ...ter reference Use only a calibrated instrument The CO2 value may be adjusted if necessary only do this in case it turns out that the CO2 value is not correct Do not ever turn injudiciously the adjusting screws Adjustment of the gascontrol without a supporting flue gas analysis will invalidate the warranty Once the unit is installed according this manual the unit can be put into operation Make sure...

Page 10: ... room Thermostat if installed will now flash Check also the function of the reset button with gasvalve open again and observe if heater starts smoothly 0 0 0 0 1 1 1 1 In principle it is not necessary to adjust the gascontrol after putting the unit into operation In case it needs to be adjusted f e after fitting a new one this must be done only by a qualified person Only use calibrated instruments...

Page 11: ...sure the resistance of the NTC pull plug from DFC This must be approx 20 kilo Ohm at 25 C or 40 kOhm at 10 c Check that a 230V signal is being received at the DBC d Check that a230V signal is being received on the plug of the pre mix fan between the brown and the blue wire e It is possible that there is no PWM signal to the pre mix fan for the starting speed This can be checked on the 24V plug of ...

Page 12: ...d if it switches off when the wires are opened again Try first another OpenTherm thermostat If this does not work the DFC must be replaced It can also be the pre mixfan itself that does not modulate inspite of a good input signal The heat output of the heater will also be insufficient if there is too much resistance in the inlet or outlet flue system In this case the pre mixfan will be on full spe...

Page 13: ...correctly 10 3 Spare parts Description 10 20 30 40 50 60 Burner XR IX 3206 IX 3206 IX 3208 IX 3208 IX 3210 IX 3212 Ignition Ionisation electrode IX 3458 IX 3458 IX 3458 IX 3458 IX 3458 IX 3458 Premix fan MVL RG128 M2 IX 4500 IX 4500 IX 4500 IX 4500 IX 4500 IX 4500 Inspection glass IX 6812 IX 6812 IX 6812 IX 6812 IX 6812 IX 6812 Gas AirMixer SIT 391 AGM IX 4506 IX 4504 IX 4502 Gascontrol SIT SIGMA ...

Page 14: ...g to the diagram terminal 4 5 6 and 7 11 3 Installation with extra reset possibility Connect the heater to 230VaC Connect the thermostat can be OpenTherm or on off Reset is possible by mounting a pressbutton between terminals 6 and 7 230 Vac Open therm 24 Vdc L 230 Vac N neutral 20 C Room Thermostat 2 1 3 12 4 5 7 6 11 13 14 F3 N neutral L 230 Vac 2 1 3 5 4 6 7 230 Vac 20 C Room Thermostat Open th...

Page 15: ...EV1 2 Gas valve Transformer for Fanregulation Fuse TR1 F Pre mix fan Connections for installation purposes Limmit thermostat manual reset 3 Fan motor STB M1 M2 n F3 M1 1 white red braun braun black black blue black 12 13 grey T 14 blue 11 TR1 L 230V AC 1 N Neutral 2 X6 5 X 6 8 13 14 F3 X6 6 violet transp black black blue orange black yellow grey yellow red black blue green yellow Room thermostat O...

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