TPI 3420 Series User manual

ATTENTION: Read carefully before
attempting to install, operate or
service the heater.
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:
1. Heater box 3420/AFC is installed just like ordinary
outlet box. Box should be mounted in the wall - top
side up, so that the front edges are 3/16” away from
the finished wall surface.
2. The knockouts on bottom and back of box can be
used for conduit, metallic or nonmetallic armored
cable. Terminate feed lines at knockout.
3. Mount heater mechanism to interior of box by
inserting straight into box engaging (4) lower tabs on
interior mounting brackets with (4) tabs on wall box.
Secure with (4) screws supplied.
4.Mountheaterfronttoheatermechanismmounting
brackets (4) top tabs with (4) allen head screws trapped
behindlouverstoengage(4)allenheadscrews.
Thermal Cutout operationshownonreverse page.
Form 9282
REV. 2/06
3420/AFC SERIES
14 14" (362 mm)
19 38"
(492.1 mm)

1. For surface mounting attach 3420/AFC box to wall.
Forsemi-recessedmounting 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. Removeknockout(s) in3420/AFCasrequired.
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
followingstep4onfront.Frameiscapturedbetween
heaterfront and finished wall.
THERMALCUTOUTOPERATION
(ZERO-VOLT)LIMIT CONTROL
To reset thermal cutout disconnect all power for 5 minutes
thanenergizeunit.Iffaultcontinuesdisconnectpowerand
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
panelportionofthefront grille. Using a small screwdriver or
pencil press the reset button (with minimal amount of force)
throughthe1/4”dia.opening,thenrestorepower to the
unit.If fault continues disconnect power and checkfor
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
GENERALSAFETYINFORMATION/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:
•ForSurface Mounting use extener3420/AFCEX34
•ForSemi-RecessedMounting use extender 3420/
AFCEX16 for 2”, or3420/AFCEX8for 1”
•Box 3420/AFC must be used in conjunciton with
accessoryextender.