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View of the control board inside the heater
J2
Fuse 5AT
F1
F2
U11
S1
J12
J2 : connection for electric supply 230VAC
J4 : Connection for main fan and gas valve
J6 : Connection for MULTITHERM, thermostat, red and green lamps, pressure switch and identification of the appliance
(2 resistances)
J7 : Earth pin of the board
J12 : Connection of the 2 CTN probes
J15 : Connection of the ionisation probe
F1 and F2 : Fuses size 5x20 - 5A temporized.
U11 : 7 segment display.
S1 : reset button.
S2 : micro switch for use of the MULTITHERM thermostat with several heaters.
(factory setting of the micro switch 1 on ON position).
S3 : Micro switch for the electrical supply of the MULTITHERM.
T2 : connection of the ignition transformer
5. STARTING AND SETTING
5.1 Generality
The AMC heater was fully controlled and tested in factory before shipment. The combustion products
were measured in order to optimize the air/gas mix. Once installed, no setting is necessary. Only the
proper operation has to be checked.
Once the installation done according to these instructions, the warm air heater can be turning on. Be
sure that the gas pipe is clean, tight and purged. Set the appliance under electrical tension, open the
rear door to watch the first start and be familiar with the operation of the heater.
Ask for a heat demand, the warm air heater operates in heating mode during 4 minutes at least.
Even if there is an interruption of the heat demand.
If the mix air/gas is not lighted or if the flame is not detected, the control board tries a second ignition
before going in safety state if there is no flame.
J4
J6
S2
on
1 2 3 4 5 6 7 8
Never turn the setting screw of the gas valve! (sealed).
Do not forget to inform the end-user about the following points :
- The way to use the appliance and the thermostat and particularly on the possibility to
reset the system.
- The possibility to disconnect the appliance in case of failure (gas valve, switch button).
- A regular maintenance is necessary.
J8
S3
1
0
J9
Argus vision
J7
J15
T2
15
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