Wire Harness Installation Manual

2
WARNING
D
ISCONNECT ELECTRICAL POWER SOURCE BEFORE WIRING THE UNIT.
F
AILURE TO DO SO MAY RESULT IN INJURY OR DEATH FROM ELECTRICAL
SHOCK.
T
HE UNIT "
OFF
" SWITCH DOES NOT DISCONNECT ALL POWER TO
THE UNIT.
INSTALLATION
WARNING
A
LL WIRING MUST COMPLY WITH APPLICABLE LOCAL AND NATIONAL CODES.
T
YPE AND LOCATION OF FUSED DISCONNECT SWITCH(ES) MUST COMPLY
WITH ALL APPLICABLE CODES.
1. Disconnect power and remove the front panel per unit
installation instructions.
2. Remove 14-pin (or 18-pin, if applicable) female housing
from control board.**
Using the following table and either Figure 1 or 2 as
guides, (Figure 1 for boards with knobs; Figure 2 for
boards with touchpads) choose the feature desired and
insert the proper jumper wire into the appropriate slot on
the housing. Ensure the jumper wires are oriented as
shown in Figure 3.
Re-install the 14-pin or 18-pin housing. Ensure housing
faces the direction shown in either Figure 1 or 2. Take
EH IN LS FD1 FD2 TF(-) TF(+) C R GL W2 Y/W1 B GH
Figure 1: Control Knobs (14-pin Units)
Feature Pins Used
Emergency Hydronic Heat EH, IN
Load Shedding LS, IN
Front Desk Control FD1, FD2
Transfer Fan TF(-), TF (+)
Remote Thermostat C, R, GL, W 2, Y/W1, B, GH
Motion Sensor* MS1, MS2
Door Switch* DS1, DS2
Table 1
*These features and connections are only available on touchpad control 18-pin units.
**If a female housing is not present on the control board, use the housing supplied with this kit.
DS 1 D S2 MS1 MS2 EH IN LS FD1 F D2 TF- TF+ C R GL W2 Y/W 1 B GH
Figure 2: Touchpad (18- Pin Units)
care to ensure the plastic housing and metal pins are
aligned correctly; otherwise, the unit will not funciton
properly.
NOTE: Only load wires intended for installation. Extra
wires can be used to connect other PTAC boards. One
PWHK01C kit can be used for multiple boards.
3. Connect the kit wiring to the field wiring using the wire
nuts provided. Route the kit wiring as shown in Figure 4.
Do not run wires through basepan or wall sleeve.
4. With the unit in the OFF position, reconnect the power
and ensure the master switch is in the ON position.
5. Reinstall the front cover per unit installation instructions.
Check the unit for proper operation.
Figure 3
14-PIN
18-PIN