TPI TSH20J Electric Forced Air Heater Instruction Manual

: June 6, 2024
: TPI

Table of Contents

OPERATING INSTRUCTIONS
MAINTENANCE INSTRUCTIONS
INSTALLATION INSTRUCTIONS
IMPORTANT INSTRUCTIONS
Documents / Resources
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

ELECTRIC FORCED-AIR HEATER
MODEL TSH20J

THIS HEATER IS DESIGNED FOR MOUNTING IN THE KICK SPACE OF KITCHEN AND BATHROOM CABINETS. IT MAY ALSO BE MOUNTED WITH THE GRILLE IN A VERTICAL POSITION INSTEAD OF THE HORIZONTAL POSITION AS SHOWN. THE HEATER MAY BE USED WITH A WALL LINE VOLTAGE THERMOSTAT OR WITH A BUILT-IN THERMOSTAT ACCESSORY KIT MODEL(S) TSH1TX (SINGLE POLE) OR TSH2TX (DOUBLE POLE).

OPERATING INSTRUCTIONS

THE THERMOSTAT CONTROL CAN BE EITHER THE WALL TYPE OR BUILT INTO THE UNIT ON THE LEFT SIDE OF THE GRILLE. IT SHOULD BE SET TO THE POSITION THAT GIVES THE DESIRED COMFORT LEVEL IN THE ROOM.
CAUTION: DO NOT OBSTRUCT THE FRONT GRILLE OF THE HEATER SINCE THE PROPER OPERATION OF THE HEATER REQUIRES A FREE FLOW OF INTAKE AND EXHAUST AIR.

THE HEATER HAS A BUILT-IN MANUAL RESET THERMAL PROTECTOR WHICH PREVENTS OVERHEATING IF THE GRILLE OF THE HEATER IS ACCIDENTALLY BLOCKED.
TO RESET THE THERMAL PROTECTOR, DISCONNECT THE POWER SUPPLY, INSERT A SMALL BLADE SCREWDRIVER OR EQUIVALENT THROUGH GRILLE INTO A VERTICAL SLOT LOCATED ON THE LOWER CENTER OF THE HEATER CHASSIS, AND LIFT UP.

MAINTENANCE INSTRUCTIONS

UNIT SHOULD BE CLEANED EVERY YEAR. TO CLEAN: DISCONNECT MAIN SUPPLY, REMOVE FRONT SCREWS, UNPLUG UNIT AND SLIDE OUT. AFTER CLEANING REPLACE THE UNIT AND ALL SCREWS TO MAINTAIN GOOD GROUND CONTINUITY.

INSTALLATION INSTRUCTIONS

SELECT AN AREA THAT IS NOT DIRECTLY UNDER THE SINK OR OTHER HEAVILY USED WORK AREA, AS THE AIR DISCHARGE TEMPERATURE MAY BE UNCOMFORTABLE. FLOOR MATERIAL SHOULD BE CHECKED ADJACENT TO THE HEATER BEFORE INSTALLATION TO MAKE CERTAIN THAT IT WILL NOT DISCOLOR OR DISTORT. (SOME TEND TO DISTORT AND DISCOLOR AT TEMPERATURES IN THE VICINITY OF 140 O F.)
CUT 22 3/8” BY 3 5/8” OPENING IN KICKSPACE AS SHOWN IN FIGURE 1.
REMOVE SCREWS HOLDING HEATER COVER AND REMOVE COVER. REMOVE DESIRED KNOCKOUT.
RUN SERVICE CABLE (FROM THERMOSTAT, IF USED) TO KNOCKOUT AND ATTACH WITH AN APPROVED CONNECTOR, ATTACH GROUND WIRE UNDER GREEN GROUND SCREW. HEATER IS FACTORY WIRED FOR 240/208 VOLT, 2000/ 1500 WATTS. (SEE OTHER SIDE FOR FIELD CONVERTED VOLTAGES AND WATTAGES)
WIRING: WIRE SERVICE CABLE TO RECEPTACLE WITH APPROVED CONNECTORS.
REPLACE COVER AND SCREWS, PUSH UNIT INTO OPENING, PUT GRILLE IN PLACE, AND ATTACH UNIT TO CABINET USING TWO SCREWS PROVIDED.

TPI TSH20J Electric Forced Air Heater -

IMPORTANT INSTRUCTIONS

When using electrical appliances, basic precautions should always be followed to reduce the risk of fire, electrical shock, and injury to persons, including the following:

Read all instructions before using this heater.
CAUTION:
High temperatures. Keep cords and all other combustible material, such as furniture, papers, clothes, and curtains away from the heater. For safe and efficient operation, keep open space around the heater of three feet in front and 12 inches at the ends and rear.
Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.
Do not operate any heater after it malfunctions, has been dropped, or damaged in any manner. Return heater to
authorized service facility for examination, electrical or mechanical adjustment, or repair.
Do not use outdoors.
To disconnect heater, turn controls to off, and turn off power to heater circuit at main disconnect panel (or operate internal disconnect switch if provided).
Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric chock or fire, or damage the heater.
To prevent a possible fire, do not block air intakes or exhaust in any manner.
A heater has hot and arcing or sparking parts inside. WARNING : Do not use it in area where gasoline, paint, or flammable liquids are used or stored.
Use this heater only as described in this manual. Any other use not recommended by the manufacturer may cause fire, electric shock, or injury to persons.
This heater may include an audible or visual alarm to warn that parts of the heater are getting excessively, hot If the alarm sounds (or illuminates), immediately turn the heater off and inspect for any objects on or adjacent to the heater that may have blocked the airflow or otherwise caused high temperatures to have occured.
DO NOT OPERATE THE HEATER WITH THE ALARM SOUNDING (OR ILLUMINATING).
SAVE THESE INSTRUCTIONS

7. HEATER MAY BE CONVERTED TO THE FOLLOWING VOLTAGES AND WATTAGES:

240/208 VOLTS	1000/750 WATTS
120 VOLTS	1500 WATTS
120 VOLTS	1000 WATTS

A. 240/208 VOLT 1000/750 WATTS
REMOVE INSULATING COVERS FROM RIGHT-HAND TERMINALS OF HEATING ELEMENTS. REMOVE TWO YELLOW JUMPERS CONNECTING TWO FRONT AND TWO REAR TERMINALS. CAUTION: WHITE LEAD MUST REMAIN FIRMLY IN PLACE ON THE SECOND TERMINAL. BLACK MOTOR LEAD MUST REMAIN FIRMLY IN PLACE ON THE THIRD TERMINAL. REPLACE THE INSULATING COVER AND SCREWS, PROCEED AS IN STEP 5
B. 120 VOLT 1500 WATTS
UNPLUG THE HEAT UNIT FROM THE OUTLET BOX RECEPTACLE. REMOVE 240/208 VOLT RECEPTACLE PROVIDED WITH HEATER. REMOVE INSULATING COVER FROM THE RIGHT-HAND TERMINAL OF HEATING ELEMENTS. REMOVE YELLOW JUMPER CONNECTING FRONT TWO ELEMENT TERMINALS. CAUTION: WHITE LEAD MUST REMAIN FIRMLY IN PLACE ON THE SECOND TERMINAL. REPLACE INSULATING COVER, UNIT IS NOW READY FOR WIRING.
C. 120 VOLT 1000 WATTS
REMOVE INSULATING COVER FROM RIGHT-HAND TERMINALS OF HEATING ELEMENTS. REMOVE TWO YELLOW JUMPERS CONNECTING TWO FRONT AND TWO REAR TERMINALS. CAUTION: WHITE LEAD MUST REMAIN FIRMLY IN PLACE ON THE SECOND TERMINAL. REPLACE THE INSULATING COVER AND PROCEED AS IN STEP 7B ABOVE.
8. AFTER SELECTING VOLTAGE AND WATTAGE REQUIREMENTS IN STEP 7 ABOVE, WIRE SERVICE CABLE TO RECEPTACLE WITH APPROVED CONNECTORS.
9. REPLACE COVER AND SCREWS. PUSH UNIT INTO OPENING, PUT GRILLE IN PLACE, AND ATTACH UNIT TO CABINET USING TWO SCREWS PROVIDED.
TPI TSH20J Electric Forced Air Heater -1

REMOVE 1/2” (12.7MM) DIAMETER KNOCKOUT IN FRONT OF OUTLET BOX AND GRILLE.
ATTACH THERMOSTAT TO OUTLET BOX WITH NUT PROVIDED.
CONNECT IN SERIES BETWEEN SERVICE CABLE AND RECEPTACLE, MAINTAINING POLARITY. USE APPROVED CONNECTORS.
INSTALL FRONT GRILLE. PUSH THE KNOB ON THE THERMOSTAT SHAFT, TURN THE KNOB COUNTERCLOCKWISE UNTIL IT STOPS.
POSITION THE CIRCULAR NUMBERED INSERT INTO KNOB RECESS, WITH “1” AT THE BOTTOM FOR SINGLE POLE OR “0” FOR DOUBLE POLE THERMOSTATS.
POSITION THE TRIANGULAR POINTER ON THE FRONT GRILLE PANEL DIRECTLY BELOW THE “1” OR “0”.

TPI CORPORATION
P.O. BOX 4973, CRS

REV 5/14
9823
ECO 1-6949