Installation, Operation
4
EH-HVT
and
(Supersedes PF421-5)
PF421-6
161-048557-001
RENEWAL PARTS IDENTIFICATION
APRIL, 2003
Type EH and HVT Electric Utility Heater
63/
4
”
33/
4
”
A (EH)
Type EH
A (HVT)
Thermostat
(HVT Only)
Specifications – Table A
Dim. “A”
Model
VoltS
120
240
120
240
120
120
WattS
250
(In.)
145/
145/
145/
145/
285/
285/
BTUH
853
EH-1221
EH-1221
EH-1251
EH-1251
HVT-1251*
HVT-2411*
8
250
8
853
Type HVT*
500
8
1706
1706
1706
3412
500
8
500
8
NOTICE: Carefully remove heater from carton and check for
shipping damage. Any damage claims should be entered
immediately with the carrier.
1000
8
*HVT models are equipped with a 55°F to 110°F adjustable thermostat.
GENERAL
D. Keep all combustible materials a minimum of 4” from front and
top of heater.
FIRE HAZARD. Since heaters are capable of devel-
oping high temperatures, extreme care should be
taken to:
A. Locate on vertical wall with length of heater positioned horizon-
tally. HVT models must be installed with thermostat at right end;
B. Avoid mounting into a wall recess since such mounting interferes
with free air circulation, increases heater temperatures, and pre-
vents proper thermostat operation on HVT models;
1. Remove screw from each end and remove perforated cover.
2. After feeding electrical wiring through opening in back of heater
(See WIRING section), mount back of heater to wall with four
screws (HVT models-5/16” diameter holes on 5” x 25-7/8”) (EH
models 9/32” diameter holes on 5x12-1/2” centers) through back
of heater. Leave one pair of end screws snug, but not tight, to avoid
expansion noise due to binding.
C. Mount heaters with a minimum clearance of 24” above floor level
or from adjacent wall;
© 2010 Chromalox®, Inc.
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RENEWAL PARTS IDENTIFICATION
Heating Elements
Front
Terminal
Thermostat Kit
(See Below)
Model
Watts
250
Cover
120V
240V
Block
EH-1221
EH-1251
HVT-1251
HVT-2411
080-016362-002
080-016362-002
080-016362-003
080-016362-003
285-051049-001
285-051049-001 (2)
285-051049-006
285-051049-006 (2)
285-051049-002
285-051049-002 (2)
500
500
303-047610-005
303-047610-005
168-073659-001
168-073659-001
1000
Note: Part numbers suffixed by a number in ( ) indicates the quantity of same part number used.
THERMOSTAT REPLACEMENT PROCEDURE
Thermostat Kit (168-073659-001)
See Instruction #1
Item
2
No.
Qty.
1
Part No.
Description
Thermostat
1
2
3
4
5
6
300-072275-007
027-073304-002
248-048179-020
220-072276-003
169-073294-001
056-073305-001
1
Bracket — Mounting
Screws
3
2
1
1
Plate-Dial Thermostat
Knob
1
1
Clamp — Capillary Bulb
Thermostat Replacement Instructions:
1. Remove cover.
2. Slide thermostat mounting bracket over existing plate.
3. Using item 3 (screws) assemble item 1 (thermostat) to item 2 (bracket).
4. Remove bolt and assemble item 6 capillary clamp and capillary bulb and
re-install bolt. Note: Do not pinch bulb in clamp, thermostat decalibration
will result.
5. Assemble item 4 (plate) and item 5 (knob).
6. Re-install cover.
5
4
6
See Instruction #4
3
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Limited Warranty:
Please refer to the Chromalox limited warranty applicable to this product at
2150 N. RULON WHITE BLVD., OGDEN, UT 84404
Phone: 1-800-368-2493
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