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C E N T R I F U G A L H E A T E R - C S A
Chief Industries, Inc. 800-359-7600 MAINTAINENCE - 416274
Page 44
i.
Remove vapor temperature limit from plumbing line. If cycling stops, adjust
vaporizer out of the flame.
6.
Symptom: Not enough heat.
a.
Orifice is too small or dirty.
i.
Check the firing rate table for the proper size orifice for your unit and
application.
ii.
Remove orifice and check for obstructions then reinstall the orifice.
b.
Insufficient gas pressure.
i.
Refer to the installation section for proper gas supply
c.
Vaporizer is not hot enough.
i.
Vapor plumbing will be cold to the touch.
Refer to the adjustment section
7.
Symptom: External plenum control not functioning.
a.
and be sure the control is wired to the heater properly.
b.
Make a visual check of the external plenum control cord for cuts or shorted wires.
c.
Check the external plenum control setting. Adjust the control for the desired settings,
referencing the