Rinnai REU-VR3237WG, Руководство по обслуживанию

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Infinity REU-VRM3237WG / HD250e REU-VRM3237WC -
26
- Issue 1 - 19/05/09 ©Rinnai
14. Anti-frost Heater Circuit (D
5
and D
6
)
a) Disconnect relay connector D
5
and measure resistance bewtween yellow wires on the
inlet valve frost heater at the frost heater side. Normal 53

. If normal proceed to b).

Faulty: Replace valve anti frost heater.
b) Disconnect relay connector D
6
and measure resistance between the yellow wires on
the pipe frost heater at the frost heater side. Normal 618

.


Faulty: Replace valve anti frost heater.
15. Frost Sensing Switch
Disconnect relay connector (D
4
) and measure resistance between yellow and yellow
wires. At room temperature resistance should be > 1M

. Cool switch to below 2

then
measure resistance. Resistance should be < 1M

. Faulty: Replace frost sensing
switch.
