Carrier 33CSSN2-MH Installation Instructions Manual page 3

Fig. 7 — Ground Wire Connection
Fig. 8 — Route Second Fan Speed Signal Wire
Out of the Control Box
Connect Wall Thermostat
1. Mount wall thermostat to wall (install per mounting in-
structions included with the thermostat).
2. Remove the Wall Thermostat Terminal Block from the
PTAC unit, accessible through the terminal access open-
ing. See Fig. 9.
3. Wire Wall Thermostat to terminal block removed in pre-
vious step. See Fig. 10 and 11.
NOTE: Connect G2 to Blue Wire for second fan speed with the
crimp-type wire joint included with the kit.
4. Re-install the fully wired Wall Thermostat Terminal
Block to the PTAC unit through the terminal access open-
ing. See Fig. 9.
5. Re-install terminal access cover. See Fig. 2.
6. Re-install front panel.
7. If a rotary speed selector switch was removed in Step 5
above, there will be a hole in the control section of the
front panel (where HI/LOW fan speed was selected).
Cover the hole by replacing the existing Control Panel
8. Restore power to the unit.
IMPORTANT: Wall thermostat must be configured
for the correct equipment type for proper operation.
GREEN
Program Heat Pump units with equipment type 11 and
GROUND
Heat/Cool units with equipment type 13. Refer to next
WIRE
section, Required Setup of Thermostat.
QUICK
CONNECT/
DISCONNECT
TERMINAL
*Physical location of terminals on thermostat may vary.
Fig. 10 — Wall Thermostat Wiring Connections
*Physical location of terminals on thermostat may vary.
Fig. 11 — Wall Thermostat Wiring Connections
3
label with the Blank Out Control Label included. See
Fig. 12.
Fig. 9 — Terminal Connector Removal
and Replacement
R
Y
G3
WALL
THERMOSTAT*
G
(33CSSN2-MH)
W
C
G2
(Heat Pump Units — 7 Wires)
R
Y
W
WALL
THERMOSTAT*
G
(33CSSN2-MH)
G3
C
G2
(Heat/Cool Units — 6 Wires)
R
Y
TERMINAL
BLOCK
W
G
O
C
2nd FAN SPEED WIRE
R
Y
TERMINAL
BLOCK
W
G
O
C
2nd FAN SPEED WIRE