General operating instructions – I.C.E. GIDM-325 User Manual

Page 5

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*A tee shall be installed in the supply line at the same elevation as the gas inlet connection. The tee must be
equipped with a nipple and pipe cap to serve as a condensate collector.

*Test for tightness of gas connections after installation.

GAS VENT

High gas pressure regulator (if required), low pressure regulator, pilot pressure regulator, gas pressure switch (if
supplied), and normally open vent valve (if supplied) must be vented outside of building for an indoor unit. (Check
with authorities having jurisdiction).

GENERAL OPERATING INSTRUCTIONS

WARNING: Fire or explosion hazard can cause property damage, severe injury, or death. Check for gas

leaks with rich soap and water solution any time work is done on a gas line. Never use an open
flame to detect gas leaks.

GAS-FIRED UNITS

Refer to the rating plate for fuel input and supply pressures.

DO NOT ATTEMPT TO START THE BURNER IF THE UNIT IS FULL OF VAPOR OR GAS, OR IF THE
COMBUSTION IS VERY HOT.

DO NOT USE THIS UNIT TO BURN GARBAGE OR PAPER.

DO NOT LEAVE COMBUSTIBLE MATERIALS NEAR THE UNIT.

SHUT OFF THE MANUAL FUEL SUPPLY VALVE IF THE BURNER IS SHUT DOWN FOR AN EXTENDED
PERIOD OF TIME.

ENSURE CLEAN-OUT DOORS ARE IN PLACE BEFORE STARTING THE BURNER.

DO NOT START THE BURNER UNLESS THE BLOWER ACCESS DOORS ARE SECURELY IN PLACE.

START-UP PROCEDURES

WARNING: Fire or explosion hazard can cause property damage, severe injury, or death. Check for gas

leaks with rich soap and water solution any time work is done on a gas line. Never use an open
flame to detect gas leaks.

PRECAUTIONS

1. Ensure the main disconnect switch is in the “off” position.

2. Ensure the burner on-off switch is in the “off” position.

3. Check all electrical connections and tighten if necessary.

4. Check main fans (by rotating fan shaft by hand), bearing set screws, exhauster wheel, and pulley set screws.

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