13
Suburban DynaLine Owner's Manual 04/2021 Rev.4
Overload Protection -
These units are equipped with an electrical safety overload which stops the compressor in the event of electrical
overload. If repeated overload cycling occurs, call your dealer or a local repair agency equipped to service air conditioning equipment.
CONTROL ROD
(FRESH AIR VENT)
DISPLAY PANEL
WA
RM
ER
LO
W
HIG
H
FA
N
SY
ST
EM
FA
N O
NLY
CO
OL
HE
AT
ST
AN
DB
Y
SE
T
CO
OLE
R
Figure 16
REMOVING UNIT FOR SERVICE
1.
Shut off gas supply to unit.
2.
Break electrical circuit to unit at fuse box if wired permanently. Disconnect wiring in junction box on unit. If service cord is used,
unplug from wall receptacle.
3.
Disconnect inlet gas line to unit.
4.
Disconnect thermostat wiring at terminal block on module board, if unit is wired for remote thermostat.
5.
Pull unit from wall case.
6.
To reinstall, reverse above procedure.
7.
Check gas connections for leaks using a soap and water solution. Do not use an open flame to check for leaks. Correct
any
gas
leaks immediately.
PREVENTIVE MAINTENANCE
WARNING
If the user of this appliance fails to maintain it in the condition in which it was shipped from the factory or if the appliance is
not used solely for its intended purpose or if appliance is not maintained in accordance with the instructions in this manual,
then the risk of a fire and/or the production of carbon monoxide exists which can cause personal injury, property damage or
loss of life.
IMPORTANT
: Always verify proper operation after servicing.
WARNING
Always disconnect electrical supply before cleaning unit or performing any maintenance.
The unit should be inspected by a qualified service person yearly before turning the unit on heat for the winter. Particular attention should
be given to the following:
1.
Inspect all gaskets. If any gaskets show signs of leakage or deterioration, they must be replaced. Safe operation of the unit
depends on all gaskets being tight.
2.
Inspect combustion chamber and venting to assure that these components are physically sound without holes or excessive
corrosion. Replace if found to be defective.
3.
Inspect exhaust and intake for restrictions and for adequate sealing of any mating parts. (See “Minimum Outside Clearances”)
WARNING
It is imperative that the products of combustion be properly vented to the outside atmosphere and that all combustion
air supplied to the burner be drawn from the outside atmosphere.
4.
Check outside grille to be sure it is clean and free of any obstructions.
5.
Check the control compartment, burner and circulating air passageways of the unit. These areas must be kept clean.
NOTE
: More
frequent cleaning may be required due to excessive lint from carpeting, bedding material, etc.
6.
Check burner for proper operation. A proper flame will have a blue inner cone with well defined pattern and an orange outer cone
with slightly yellow tips. A flame that is yellow in appearance with an erratic flame pattern indicates a restriction in the air supply.
Shut the unit down and have the burner and air passage ways checked and cleaned as needed. The surface of the burner and
each burner port should be cleaned with a steel wire brush and blown clean using compressed air. (See Figure 15 for illustration
of a correct and incorrect burner flame.)
