Allied PRPGN14 Series Handleiding voor installatie- en onderhoudsinstructies - Pagina 17
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Secure Owner's Approval
When the system is functioning properly, secure the owner's
approval. Show the owner the location of all disconnect
switches and the thermostat. Instruct the owner on how
to start and stop the unit and how to adjust temperature
settings within the limitations of the system.
Maintenance
Periodic inspection and maintenance normally consists of
changing or cleaning the filters and cleaning the evaporator
coil. On occasion, other components of the furnace may
also require cleaning.
Shut off all electrical power to the unit before conducting
any maintenance procedures. Failure to do so could
cause personal injury.
Filters
Filters are not supplied with the unit. Inspect once a month.
Replace disposable or clean permanent type as necessary.
Do not replace permanent type with disposable.
Motors
Indoor and outdoor fan and vent motors are permanently
lubricated and require no maintenance.
Evaporator Coil
Dirt and debris should not be allowed to accumulate on
the evaporator coil surface or other parts in the air circuit.
Cleaning should be as often as necessary to keep coil
clean. Use a brush, vacuum cleaner attachment, or other
suitable means. If water is used to clean the coil, be sure
the power to unit is shut off prior to cleaning. Care should
be used when cleaning the coil so that the coil fins are
not damaged.
Do not permit the hot condenser air discharge to be
obstructed by overhanging structures or shrubs.
Condenser Coil
Clean condenser coil annually with water and inspect
monthly during the cooling season.
Condenser coil may need to be cleaned at startup in
case oil from the manufacturing process is found on the
condenser coil.
Combustion Air Intake
Ensure sufficient combustion air is available to the burners.
Clean combustion air intake screen and clear debris from
vestibule compartment louvers and unit exterior louver
panels.
508160-01
WARNING
Vent Outlet
Visually inspect vent outlet periodically to make sure that
there is no buildup of soot or dirt. If necessary, clean to
maintain adequate opening to discharge flue products.
Control System Diagnostics
LED Status
Slow Flash
Fast Flash
2 Flash
3 Flash
1.5 seconds with
4 Flash
5 Flash
2.5 seconds with
Steady
Issue 2125
Flashing Rate
Fault Description
One flash per
Normal operation:
second
No call for heat
Two flashes per
Normal operation:
second
Call for heat
Two flashes in
System lockout:
second with
Failed to detect or
1-second pause
sustain flame
Three flashes in
Pressure switch senses
incorrect pressure or gas
1-second pause
valve coil is open.
Four flashes in
High limit or rollout
2 seconds with
switch open
1-second pause
Five flashes in
Flame sensed and gas
valve not energized
1-second pause
Internal failure:
--
Micro-controller failure;
Table 4. Fault Codes
self-check
Page 17 of 19