Monitor GF 500 Service Manual download pdf (Page 13)

MONITOR HEATING SYSTEM

Section

5:

Troubleshooting

GF200 Resistance Values

COMPONENT

Ignition Transformer (connector E/E)

Power Transformer

(1)-Primary

(AC

120V)

Power Transformer

(l)-Secondary

(AC

11V)

Power Transformer

(l)-Secondary

(AC

120V)

Power

Transformer

(2)-Primary

(AC

120V)

Power

Transformer

(2)-Secondary

(AC

22V)

Damper

Solenoid

(connector

I/I)

Resistor

(connector

G/G)

Circulation

Fan (R &

BK)

Circulation

Fan (BK & Y)

Combustion

Blower

(BK & BK)

Thermistor (connector

Q/Q at

77°F)

Fuse

2A

(read

with

fuse

out)

Gas

Control

Valve

(connector

P/P)

Gas

Solenoid

Valve

(connector

UL)

Gas

Solenoid

Valve (connector

M/M)

APPROX.

OHMS

108,000

66

1.6

647

66

6.4

4,600

68

235

247.5

18

10,000

0.1

87

2,400

2,400

WARNING:

DISCONNECT HEATER FROM POWER SOURCE

BEFORE

MAKING

ANY

RESISTANCE TESTS.

NOTE:

Refer

to the

service manual

of the

monitor

GF500

in

detail.

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