Product Manual

ManualsBrandsTPI Corporation ManualsIndustrial Equipment3420 & 3450 Heavy-Duty Fan-Forced Wall Heater

1. For surface mounting attach 3420/AFC box to wall.

For semi-recessed mounting 3420AFC box should be

set in the wall so the flange is out from the finished

wall a distance equal to the frame depth (1” for a 1”

frame, 2” for a 2” frame).

2. Remove knockout(s) in 3420/AFC as required.

3. Proceed as with recessed installation described on

front - steps 2 & 3.

4. Extender frame is attached to heater front (slip fit)

and this assembly is then attached to the heater

following step 4 on front. Frame is captured between

heater front and finished wall.

THERMAL CUTOUT OPERATION

(ZERO-VOLT) LIMIT CONTROL

To reset thermal cutout disconnect all power for 5 minutes

than energize unit. If fault continues disconnect power and

check for cause.

(CAPILLARY) LIMIT CONTROL

To reset thermal cutout disconnect all power, when heater

has cooled locate the two 1/4” dia. holes in the control

panel portion of the front grille. Using a small screwdriver or

pencil press the reset button (with minimal amount of force)

through the 1/4” dia. opening, then restore power to the

unit. If fault continues disconnect power and check for

cause.

Form 9282

ATTENTION: Read carefully

before attempting to install,

operate or service the heater.

3420/AFC SERIES

Surface Mounting

Semi-Recessed Mounting

3420/AFC Series

GENERAL SAFETY INFORMATION / CAUTION:

• Mount in vertical position only.

• Do not install any closer than 12” to any vertical

surface or 12” to floor.

• Do not mount beneath towel racks or behind doors.

• Heater must have no obstructions in front of it.

• Make certain power supply is same as nameplate

voltage on heater.

• All wiring must conform to the National Electric

Code and existing local code requirements.

IMPORTANT: OWNER SHOULD RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE

INSTALLATION

INSTRUCTIONS

INSTALLATION INSTRUCTIONS:

• For Surface Mounting use extener 3420/AFC EX34

• For Semi-Recessed Mounting use extender 3420/

AFC EX16 for 2”, or 3420/AFC EX8 for 1”

• Box 3420/AFC must be used in conjunciton with

accessory extender.