Replacing The Fan, Gas Valve, And Burner In Ex 750 And Ex 800 Models - IBC EX Series Installation & Operating Manual
Commercial condensing boilers
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Also See for EX Series:
- Installation and operating manual (104 pages) ,
- User's information manual (15 pages) ,
- Quick reference installation manual (2 pages)
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16. Turn on the electric power and gas supply to the boiler.
17. Reset the low pressure switch. For instructions, see
switches on page
18. Tune the gas valve. For instructions, see
74.
7.3 Replacing the fan, gas valve, and burner in EX 750
and EX 800 models
This section documents the following maintenance procedures for EX 700 and EX 850 models:
Replacing the fan
Replacing the gas valve
Replacing the burner.
Fan
Mixing device
High pressure switch
Three- (3) wire Molex plug
77.
Adjusting the gas valve (EX 400, EX 500) on page
96
Section: Service and maintenance
Resetting the gas high / low pressure
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