4
4. Re-connect the following wires on control board. See
Fig. 12.
a. Violet heater wire to Heat2 on relay K2A1.
NOTE: The male piggy back terminal is not used. This
terminal may either be removed or pinched back to fit the
connector onto Heat2 relay terminal.
b. Grey heater wire to Heat1 on relay K2.
c. Pink L2 wire to L2 on relay K2Al.
d. Yellow compressor wire to COMP on relay Kl.
e. Power Cord wire (Ll) to L1 (brass post terminal)
on relay K2.
5. Secure control board ground wire (green) to ground
screw on control box door with power cord and chassis
ground wires. See Fig.13.
6. Remove coil filter. Install Indoor Coil Freeze Thermostat
(IFT) into coil.
a. Use a pen to make an opening in the fins 4-in. from
the right side of the coil between the second and third
tube from the top to install freeze sensor (Fig. 14).
b. Push freeze sensor into opening made in Step 6a.
c. Bend clip on scored line and install in fins (the curved
notches will lock clip in place) next to sensor to hold
sensor in place in the coil. See Fig. 15.
7. Replace filter (indoor coil freeze thermostat will be locat-
ed in the coil behind the filter).
8. Dress wires using wire ties provided.
9. Close the control box door and secure by re-attaching
screws saved earlier. See Fig. 3.
10. Reinstall plastic control panel cover using the 2 screws
removed earlier. See Fig. 3.
Install Labels and Schematics
1. Remove old wiring schematic label and install new wiring
schematic label in same location. See Fig. 16.
2. Install conversion label to front of control box. See
Fig. 16.
3. Install Hi speed/Low speed label next to fan cycle switch
on side of control box. See Fig. 17.
NOTE: Fan cycle switch now becomes a speed selector
switch and selects whether the fan runs in high speed or
low speed. It is recommended to set the switch to low fan
speed for maximum sound comfort.
4. Install new control panel label over the old control panel
label to cover holes left by removal of old controls and
refer guests to the wall-mounted thermostat. See Fig. 16.
Wiring of Thermostat
1. Refer to installation instructions included with thermostat
for thermostat installation.
2. Route thermostat wires through grommet in remote
wiring access cover (supplied with kit).
PINK (L2 ON K2A1)
VIOLET (HEAT2 ON K2A1)
PLAIN POWER CORD
(L1 ON K2)
GREY WIRE
(HEAT1 ON K2)
YELLOW WIRE
(COMP ON K1)
GREY FAN WIRE
K1
K2
K2A1
Fig. 12 — Typical Wall Thermostat Interface Board Terminal Connections (Heat/Cool Control Board Shown)
Fig. 13 — Ground Wires and Ground Screw
Fig. 14 — Location of Indoor Coil Freeze
Thermostat
