Instruction manual

15
Fig. 19 — Thermostat Wiring — 38ARD Commercial Split System Units
Fig. 20 — Thermostat Wiring — 38 Series and 40 Series Split System Units
Rc
Rh
W1
G
Y2
C
O/W2/B
Y1
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
R
Y1
Y2
W1
W2
G
C
X*/8
38ARD012
LLSV-1
IFC
COMMERCIAL THERMOSTAT
CONNECTION
BOARD (TB)
LLSV-2
1
2
3
W1
W2
4
9
5
38ARD014-024
TB2
*Connection not required.
LEGEND
IFC — Indoor Fan Contactor
LLSV — Liquid Line Solenoid Valve
a33-9180
Rc
Rh
W1
G
Y2
C
O/W2/B
Y1
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
COMMERCIAL THERMOSTAT
FAN COIL
40 SERIES
CONDENSING UNIT
38 SERIES
R
G
C
R
C
INDOOR UNIT
OUTDOOR UNIT
a33-9181