ISSUE DATE 3-23-06 REV. DATE: 6-5-08 REV. NO.: 07 ECN: N/A OIPM P/N 3420318 Page
4
of
6
To install the VHC-32:
1. Carefully remove controller cover and mount the
enclosure. View mounting options and hole patterns
on next page.
2. Feed all power supply and heater wires to enclosure.
3. Attach the (3) wires from the controller to the triac
located in the upper left hand corner of enclosure.
NOTE: The wires must be terminated on the triac as
shown per wiring diagram below or label located in
the enclosure. Failure to do so will result in
premature failure of the controller.
4. Wire to power source and heater as shown in wiring
diagram using (4) wire nuts provided. Note that
wires marked “L1” or “L2” can be attached to either
incoming power lead. Also, the wire marked “H1”
and the red wire coming from the heat sink can be
wired to either lead going out to the heater.
5. Attach bonding (ground) wires to green ground lead
in back of box.
6. Using the (4) screws provided, attach the cover to
the enclosure.
Be careful not to damage the
controller or internal wiring when positioning the
cover.
ELECTRICAL SHOCK HAZARD
•
Serious injury or death may
occur.
•
Disconnect from electrical
supply before installing or
servicing this product.
•
Make certain the power
source conforms to
specifications on heater label.
•
Always securely connect green
wire from heater to bonding
(ground) wire from electrical
supply, not to a live or “hot”
conductor.
•
Use 12 AWG, 90° C rated
copper wire only. Maximum
50 ft. run.
•
Follow state, local and
national electric codes (NEC).
For field wiring, refer to the Installation manual
included with your heater.
All wiring must be performed by a licensed
electrician.
INSTALLATION & WIRING
RED
ORANGE
BLUE
RED
PURPLE
CONTROLLER
ROCKER
SWITCH
208/240V
SOURCE
GND.
L1
L2
HEATER
H1
TRIAC
LOCATED ON COVER
LOCATED
ON COVER
LOCATED IN
ENCLOSURE
LOCATED IN
ENCLOSURE
BLACK
FROM CAPACITOR
The triac must be wired as
shown in the wiring diagram.
Failure to do so will result in
premature
failure
of
the
controller.
