ISSUE DATE 06/15/01 REV. DATE
REV. NO. 00 ECO NO. 1-4635 P/N 00009979 SHT. 02 OF 09
Safe and dependable operation of the heater depends on
proper installation by qualified personnel.
The heater can be mounted in any of the positions shown
in Mounting Configurations, observing proper clearances
form the inlet and outlets as shown in Mounting
Configurations. In all positions, clearance from the end of
the heater to a side wall is zero inches.
Inlet grille and outlet grilles can easily be field altered. In
no case can inlet and outlet grilles be partially recessed
into the walls or ceilings.
Mounting holes are provided in the back of the cabinet,
accessible through the blower compartment, for securing
the heater to the wall. In some cases, it may be necessary
to remove the blower deck if more mounting screws of bolts
are desired. The blower deck may be slipped forward by
loosening two screws at the front to provide access to
mounting holes located behind the blowers.
NOTE: For ceiling mounted heaters, never use internal
thermostat. Always use a field supplied external
thermostat.
INSTALLATION
Controls are accessible through the discharge grille, using
a screwdriver. The rocker switch for heat can be adjusted
for high or low, and the rocker for the summer fan (if
supplied) can be set for automatic or “continuous fan” for
continuous room air circulation. Adjust the thermostat and
let the heater operate a few hours. If more or less heat is
then desired, adjust accordingly. If a remote thermostat is
desired, remove factory installed jumper wire on the control
terminal block. Attach wires from the remote field supplied
thermostat. Adjust the heat/fan rocker switch to either high
or low.
Cabinet Size Nominal Low CF Nominal High CFM
33”
230
250
46”
460
500
66”
690
750
79”
920
1000
The 480 volt, 3-phase, 3-wire; 600 volt 1-phase and 600
volt 3-phase units are all single speed only.
If external load management control of the unit is desired,
replace factory installed jumper wire on the control terminal
block with leads from the external management control.
Refer to page 7 for description of control options.
OPERATING INSTRUCTIONS
SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Heater does not
energize
1. Defective thermostat
2. Defective Hi/Lo switch
3. Defective transformer
4. Defective linear limit
5. Tripped manual limit(s)
1. Replace thermostat
2. Replace Hi/Lo switch
3. Replace transformer
4. Replace linear limit
5. Determine cause
before resetting*
No power to
heater
1.
Defective fuse or
breaker
1.
Check fuse/circuit
breaker
Not enough
heat
1.
Element may be
Defective.
2.
Defective contactor
3.
Defective Hi/Lo
switch
4.
Air filter may be
dirty
5.
Defective fan motor
6.
Defective fan time
delay relay.
1.
Replace defective
element(s)
2.
Replace contactor
3.
Replace Hi/Lo
switch
4.
Replace/clean filter
5.
Replace fan motor
6.
Replace fan time
delay relay
TROUBLESHOOTING CHART
MAINTENANCE
WARNING: Disconnect heater from power supply before servicing
and/or inspecting the heat source. Failure to do so may result in
electrical shock.
1. Fan and motor are permanently lubricated. No oiling is necessary.
2. Make sure all wire connections are tight.
3. Be sure to keep the blower wheel tight on the motor shaft.
4. For optional filters—Periodically check the condition of the filter.
The filter can be removed by opening the front access panel with a
screwdriver. Lift the filter up and out. (Contact Fostoria Industries
or your local distributor for replacement filters. Please provide the
model number of the heater and whether the filter is disposable or
permanent).
*
If unit is installed in/on ceiling,
check for temperature stratification
4-1/16"
4"
4"
25"
11-11/16"
1/4" Dia Mounting Holes
7/8", 1-3/32"
7/8",1-3/32"
1-23/64", 1-23/32
12"/24"
1/2” – 3/4” Conduit
1” – 1-1/4” Conduit
1/2” – 3/4” Conduit
Knockout only on back
Mounting
Dimensions
2-3/8”
2-3/4”
3-3/8”
25”
9”
1-9/16”
3”
knockouts
6-7/8”
