12
5
7. Heater
Measure resistance of the
following terminal
၂
Terminal: 1 (COM) - 2
၃
Terminal: 1 (COM) - 3
၄
Terminal: 2 - 3
11. Igniter
Measure resistance from
terminal to terminal.
12. Frame Detect
Measure resistance of the
following terminal
၂
Valve 1 terminal
၃
Valve 2 terminal
Measure resistance of termina
to terminal
၂
Open at 370°F (Maximum)
၃
Close at 320°F
8. Thermistor
Measure resistance of terminal
to terminal
Temperature condition:
58°F ~ (10~40°C)
58°F ~ 104°F (10~40°C)
9. Motor
• See Page 15
10. Gas valve
၂
Resistance value: 10
Ω
၃
Resistance value: 10
Ω
၄
Resistance value: 20
Ω
Resistance value: 10
Ω
• Electric type
• Heater case
Hi limit
• Electric type
• Gas type
• Gas type
• Gas type
Resistance value
100~800
Ω
(for 5318EL3001)
40-150
Ω
(for MEQ1841001)
၂
Resistance value 2.3k~2.7
k
Ω
၃
Resistance value 2.3k~2.7
k
Ω
၂
Resistance value
ᴾᴬ
၃
Resistance value < 1
Ω
valve 1
valve 2
Component Test Procedure Check result
Remark
5318EL3001
MEQ61841001