TPI 680 Series Operating Instructions

MODEL NO. WATTS
HF684TC 4000/3000
HF685TC 4800/3600
5600/4200
HF686TC
Check heater voltage and phase on data tape on back of heater to make sure they are the same as the
electrical service supplied. Heaters coded with "HF" will operate on either 240 or 208 volts.
Be sure that the electrical receptacle is of the configuration and capacity appropriate for the heater
The heater may be used as a heavy duty portable.. It may also be mounted on the wall or ceiling by loosening
the vertical adjustment knobs on each side of the heater and swinging the cradle to a position where the
"bottom" of the cradle is to the rear or above the heater. The heater may be mounted to the wall or ceiling
using the keyhole slots in the base or holes provided for threaded rod (supplied by others)
The wall/ceiling mounting structure and anchoring provisions must be of sufficient strength to support the
combined wieght of the heater and mounting bracket..
To facilitate mounting of the heater, it may be removed from the cradle and replaced after the cradle is mounted..
The proper receptacle can be installed adjacent to the mounting location.
To operate heater, turn thermostat knob as far as it will go in a clockwise direction, When temperature reaches
desired comfort level, slowly turn thermostat counterclockwise until heater shuts off.. One or two minor
adjustments may be necessary as the heat becomes better distributed throughout the area.
Heaters are equipped with a permanently lubricated motor and, therefore, no maintenance other than
occasional cleaning is required.
*WHEN CLEANING OR DISASSEMBLING HEATER, BE SURE TO DISCONNECT HEATER CIRCUIT"
Ali heaters are equipped with a thermally actuated disconnect which automatically disconnects heating
element and motor in the event normal operating temperatures are exceeded.. If heater should fail to operate
with thermostat turned clockwise to its limit, disc0nnect heater and wait a few minutes, allowing heater to cool,
and then restart. The thermal cut off automatically resets itself when normal temperatures are achieved..
The opening of a thermal cutout almost invariably indicates a partial or complete blockage of the air intake or
exit. Be sure-to keep these areas clear in order to allow proper circulation of lir
30 Amp Plug Configuration
NEMA #6-30P
OPERATING INSTRUCTIONS
UTILITY UNIT HEATERS 680 SERIES
BTUH
13,652/10,239
16,393/12,295
19,113/14,335
CAUTION

INSTALLATION INSTRUCTIONS

OPERATION

• M A I N T E N A N C E
THERMAL.. CUTOFF DEVICE
20 Amp Plug Configuration
NEMA #6-20P
VOLTS LINE AMPS
60HZ
240/208 16.7/14.4
240/208 20.0/17.3
23.3/20.2
240/208
PLUG CAP
ON CORD SET
20A
30A
30A
tpi corporation
P.O Box 4973, CRS
Johnson City, TN 37602-4973