17. Mount supply-air thermostat (SAT) to the lower left por-
tion of the indoor blower housing with the screws pro-
vided (see Fig. 14). Attach the loose wires from the
economizer wiring harness to the thermostat as
follows:
a. Connect the violet wire to terminal T1.
b. Connect the pink wire to terminal T2.
c. Connect the white wire to the 24 vac terminal.
d. Connect the brown wire to terminal COM.
18. Replace indoor fan motor access panel using screws saved
in Step 9.
19. Replace filter access panel.
20. Turn on base unit power.
21. Barometric relief damper characteristics are shown in
Fig. 15 and 16.
4
3
2
1
0
5
6
7
8
9
POSITION SETTING
BRACKET
TOP SCREW
Fig. 11 — Minimum Position Setting Bracket
MINIMUM
POSITION
OPEN
3
1
T
P
P1
T1
4
2
5
S
S
O
D
C
TR
B
REV
. B
198818A
%
H
U
M
I
D
I
T
Y
90
70
60
30
10
D
C
B
A
60
65
70
75
55
50
85
80
DAMPER
DAMPER
CLOSED
OPEN
OUTDOOR TEMP
.
°
F
REV.
97-3672
CW–SETPOINTS–CCW
CONT
A
CTS SHO
WN IN HIGH ENTHALPY
RUSH A
T
24V
AC
3 mA
MIN.
A
T
1
1
VDC
CONT
ACT RA
TINGS: 1.5A
RUN, 3.5A
IN
OR UNPOWERED ST
A
T
E
1
2
3
TR
TR1
24V
AC
ENTHALPY
CONTROL
Fig. 12 — Outdoor-Air Thermostat/Enthalpy
Control Installation
4
