Reznor CAUA Unit Installation Manual - Manual (Page 40)

Form I-CAUA, P/N 164771 R8, Page 40
9.1 Check the installation prior to startup:
 Check clearances from combustibles. Requirements are in Paragraph 4.
 If installed as a separated combustion unit, verify that the vent/combustion air sys-
tem is installed according to the instructions in Paragraph 6.2.1.
 Check piping for leaks and proper gas line pressure. Bleed gas lines of trapped air.
See Paragraph 6.1.
 Check the blower compartment to be sure that all shipping supports have been
removed.
IMPORTANT: Before applying power, check the blower pulley, blower wheel, and
motor pulley to be sure they are secure to the shaft. Check blower and pulleys for
free movement.
Check belt tension and alignment.
Close the blower compartment door securely. Heater will not operate if the blower
compartment door is not closed.
 Check electrical wiring. Be sure all wire gauges are as recommended. A service
disconnect switch should be used. Verify that fusing or circuit breakers are
adequate for the load use.
 If equipped with a mixing box with both return and outside air dampers, verify that
the damper linkage has been adjusted. (If adjustment is needed, see the mixing
box installation instructions.)
 If equipped with a condensate drain (either cooling coil, flue wrapper, and or
burner), verify that the condensate lines are connected and the drain traps are
filled with clean water.
 If equipped with a cooling coil, verify that thermostatic expansion valves are
installed properly. (See the cooling coil installation instructions.)
Verify that the refrigerant circuits are charged with the appropriate refrigerant and
leak tested according to the condensing unit instructions.
9.0 Check
Installation
and Startup
9.2 Startup
WARNINGS: For your safety, read before operating. If you do not follow these
instructions exactly, a fire or explosion may result causing property damage,
personal injury, or loss of life.
• This appliance does not have a pilot. It is equipped with an ignition device
which automatically lights the burner. Do not try to light the burner by
hand.
• Before operating, smell all around the appliance area for gas. Be sure to
smell next to the floor because some gas is heavier than air and will settle
on the floor.
If you smell gas: 1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
• Use only your hand to turn the gas control ON/OFF knob on the gas valve.
Never use tools. If the valve ON/OFF knob will not turn by hand, do not try
to repair it. Call a qualified service technician. Force or attempted repair
may result in a fire or explosion.
• Do not use this appliance if any part has been under water. Immediately
call a qualified service technician to inspect the appliance and to replace
any part of the control system and any gas control which has been under
water.
1. Set thermostat at lowest setting.
2. Turn off all electric power to the appliance.
3. This appliance is equipped with an ignition device which automatically lights the
burner. Do not try to light the burner by hand. Open the access door and locate the
gas valve.