IDEAL MINI C24, Установка и обслуживание

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SERVICING
Mini --- Installation & Servicing 36
47 TEMPERATURE PROBE
REPLACEMENT
1 Disconnect the electrical supply.
2 Remove the front and right hand side casing panels (refer
to frame 36).
Removal of CH temperature probe
3 To remove the CH temperature probe close off the
isolating cocks of the CH circuit at the bottom of the boiler.
4 Release system pressure by opening the main circuit
drainage cock.
Do not release CH pressure using the pressure relief
valve. It may cause debris within the system to foul
the valve.
CH tempera-
ture probe
Removal of DHW temperature probe (Combi boilers)
3 To remove the DHW temperature probe close off the
isolating cock of the DHW circuit at the bottom of the
boiler.
4 Empty the DHW circuit.
Replacement
5 Disconnect the leads from the probe to be replaced and
unscrew it .
6 Screw in the new probe, using a new gasket, reconnect
and re---assemble in reverse order.
DHW temperature
probe
Drainage cock
48 GAS VALVE ON---OFF OPERATOR
COILS REPLACEMENT
Check
1 Disconnect the electrical supply.
2 Remove the front casing panel.
3 Disconnect the connector A and check the electrical
resistance of the coils referring to the following diagram
Lower on---off operator
approx. 920
Ω *
Upper on---off operator
approx. 6 400
Ω *
* at ambient temperature.
4 If the resistance of either of the coils is different from the
value stated by ±10% or greater, replace the unit as
described below.
Replacement
5 Remove the screw B, withdraw the coils unit C.
6 Replace it and re---assemble in reverse order.
A
C
B
SER
VI
CI
N
G