Pepco Heat Pump Owner's Manual

AIR FLOW THE OUTDOOR UNIT
Closing registers restricts air flow and Keep the outdoor unit free of grass,
can reduce the performance of your loose leaves, shrubbery and any other
heat pump and damage the compressor. obstruction. Clean the outdoor unit by
Always leave supply and return registers spraying it with a garden hose. ALWAYS
open and clear, even if a room is not in BE SURE TO CUT OFF POWER BEFORE
use. Do not block registers with furni- ATTEMPTING TO CLEAN THE OUTDOOR
ture, carpet, drapes or other objects. UNIT. Remove snow from the outdoor
unit with a brush or broom. Snow accu-
mulation beneath the heat pump is not
Troubleshooting Guide
If you run into problems or have a question about your heat pump's operation, check this guide. Your
owner's manual may have additional suggestions. If the problem is not listed or you cannot remedy the
situation, contact your heat pump contractor for assistance.
PROBLEM POSSIBLE CAUSE
The outdoor unit is OFF, but • A fuse in your home may be blown or the
the indoor fan is still working. circuit breaker tripped.
• Most units also have a disconnect switch
located near outdoor unit.
The indoor temperature is not • The indoor supply or return registers
meeting the setting on the are blocked.
thermostat. • The system switch and fan switch have
been incorrectly set.
• The outdoor coil is partially blocked.
• Filters are dirty.
• Indoor thermostat is located near a heat
source such as sunlight, a lamp, TV, etc.
• Indoor thermostat is located near a draft.
The supplementary/Aux heat light • Outdoor temperature is below the 35°F to
is ON and the indoor unit IS 40°F range. Supplementary heat has been
OPERATING. activated to keep your home comfortable.
• Indoor thermostat has been adjusted up
two or more degrees.
The supplementary/Aux heat light • System malfunction.
is ON and the indoor unit IS
NOT OPERATING.
The outdoor unit runs continuously. • Outdoor temperature is below 30°F. Heat
pump is working to keep your home
comfortable.
• The outdoor coil is partially blocked.
• The indoor thermostat is not level on the wall. • Move thermostat to a level position.
• Low refrigerant level in unit.
There is little or no airflow • The filters are dirty.
at the supply registers. • The return grill is blocked.
• Blower motor failure.
• Possible air leak from ducts.
133-02-09
a problem as long as the air flow is not
blocked.
ANNUAL SERVICE CHECK
Have a qualified heat pump contrac-
tor check your heat pump annually.
The best time to check it is before
the start of the heating or cooling
season. Most contractors offer vari-
ous service plans which cover routine
and emergency maintenance.
REMEDY
• Replace fuse or reset circuit breaker
• Make sure the switch is in the ON
position, reset circuit breaker or
replace fuses.
• Clear drapes, furniture or other
objects that are blocking registers.
• Adjust the temperature to the
appropriate setting. Winter - 69 F
Summer - 78 F – 80 F .
• Clear leaves, snow or other
materials from around outdoor unit.
• Clean or replace filters.
• Move heat-producing appliances
away from thermostat.
• Secure nearby doors and windows.
• Normal operation. No maintenance
is necessary.
• Reset thermostat to original setting,
unless use of supplemental heat is
desired.
• Contact your heat pump contractor.
• Normal operation. No maintenance
is necessary.
• Clear away leaves, snow or other
materials from outdoor unit.
• Contact your heat pump contractor.
• Clean or replace filters.
• Clear away blockage.
• Contact your heat pump contractor.
• Contact your heat pump contractor
to seal ductwork.
The Heat Pump Owner's Guide
to Trouble-Free Operation
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