Nordyne O5LD-091A-12-R, Инструкция по установке, эксплуатации и обслуживанию

Страница: 21 / 28

21
Table C-4: System and General Troubleshooting continued
Problem Possible Cause Remedy
Airflow blocked or dirty air filter. Clean or replace air filter.
Supply air temperature too
hot.
Insufficient airflow.
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.
Excess airflow. Check system temperature rise. Slow down blower fan if necessary.
Supply air temperature too
cool.
Excessive duct losses.
Check supply air ductwork. Seal leaky joints and seams. Insulate
ductwork if necessary.
Fan control "fan on" setting too
low.
Increase differential between fan control "fan off" and "fan on" settings.
(L4064B, L6064A fan / limit controls only, no adjustments available for
L4064W fan / limit control). Register air deflectors may help.
Supply air temperature too
cool during first moments of
furnace cycle.
Excessive duct losses.
Check supply air ductwork. Seal leaky joints and seams. Insulate
ductwork if necessary.
FINAL CHECK OUT 3.
Where the oil shut-off valve from the oil storage
tank is located.
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.
4.
How to operate the thermostat, and other
related accessories.
5.
How to operate the manual reset button on the
primary control, and especially when not to push the
reset button.
6.
How and where to visually inspect the venting
system for leaks or other problems. IMPORTANT:
Please ensure that the homeowner is informed and
understands:
7.
How to inspect, clean and replace the air filter,
and other homeowner maintenance procedures.
1.
Where the circuit breaker or fuse is located in
the main electrical panel.
8.
Who to call for emergency service and routine
annual service.
2.
Where the furnace switch is located, and the
switch "on" and "off" positions if not obvious.
9.
The terms and conditions of the manufacturer's
warranty and the contractor's warranty
.