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Final Check Out - Maytag POF1HD140AVFA Installation, Operation And Maintenance Manual

Oil fired warm air furnaces, up-flow model with ecm
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Table C-4: System and General Troubleshooting
Problem
Supply air temperature
too hot.
Supply air temperature
too cool.
Supply air temperature
too cool during first
moments of furnace
cycle.

FINAL CHECK OUT

ENSURE THAT ALL SAFETY DEVICES AND
ELECTRICAL COMPONENTS HAVE BEEN
SET FOR NORMAL OPERATION. ENSURE
THAT ALL ELECTRICAL CONNECTIONS
ARE TIGHT AND THAT THE WIRING IS
SECURE.
IMPORTANT:
Please ensure that the homeowner is informed and
understands:
Where the circuit breaker or fuse is located in
1.
the main electrical panel.
Where the furnace switch is located, and the
2.
switch "on" and "off" positions if not obvious.
continued
Possible Cause
Airflow blocked or dirty air
filter.
Insufficient airflow.
Excess airflow.
Excessive duct losses.
Fan control "fan on" setting too
low.
Excessive duct losses.
Clean or replace air filter.
Check all dampers. Open closed dampers including registers in
unused rooms. Check system temperature rise. If temperature
rise is too high, speed up blower fan.
Check system temperature rise. Slow down blower fan if
necessary.
Check supply air ductwork. Seal leaky joints and seams.
Insulate ductwork if necessary.
Increase "fan on" dipswitch settings on EFT if control has this
option.). Register air deflectors may help.
Check supply air ductwork. Seal leaky joints and seams.
Insulate ductwork if necessary.
Where the oil shut-off valve from the oil storage
3.
tank is located.
How to operate the thermostat, and other
4.
related accessories.
How to operate the manual reset button on the
5.
primary control, and especially when not to push the
reset button.
How and where to visually inspect the venting
6.
system for leaks or other problems.
How to inspect, clean and replace the air filter,
7.
and other homeowner maintenance procedures.
Who to call for emergency service and routine
8.
annual service.
The terms and conditions of the manufacturer's
9.
warranty and the contractor's warranty.
28
Remedy

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