Nordyne S5BP Series User Manual page 15

NOTE: C &W2 to be connected to electric heat.
SINGLE STAGE
HEAT/COOL THERMOSTAT
R W C G Y
C
Y
R
OUTDOOR
SECTION
SINGLE STAGE
HEAT/COOL
THERMOSTAT
R W C G Y
FREEZESTAT
C
Y
R
TERMINAL
BOARD
OUTDOOR
SECTION
SINGLE STAGE HEAT/COOL THERMOSTAT- NO ECONOMIZER
TO FIELD
SUPPLIED DISCONNECT
GND
L1
L2
L3
BLOWER
MOTER
Note 4
BLACK
B
BLACK
Y1
Note 2
GREEN
G
C
W2
W1 Note 1
O
WHITE
Y
Note 3
Y2
R
AIR HANDLER
C7150
SECTION M.A.S.
SINGLE STAGE HEAT/COOL THERMOSTAT- WITH ECONOMIZER
Figure 7. Typical Air conditioner Thermostat Connections
TO FIELD
SUPPLIED DISCONNECT
GND
FREEZESTAT
GREEN
BROWN
G
BLACK
C
W2
See Note
W1
O
Y
BLACK
R
TERMINAL
BOARD
1. C & W2 to be connected to electric heat.
2. Remove BLACK wire from air handler low voltage terminal board
Y terminal and connect to YELLOW wire from economizer.
3. 2nd Stage refrigerant cooling with optional economizer installed. A 2
stage thermostat is required for simultaneous operation of the economizer
and refrigerant system. Connect Y2 from 2 stage thermostat to BLUE
wire from economizer. If installing an economizer in this unit, refer to the
Economizer installation instructions for proper set up and operation.
4. Heat Pump Economizer Relay. For heat pump applications only, connect B
from thermostat to GREY wire from Economizer. Required for proper operation
of an economizer (optional) in the heat pump Heating mode. If installing an
economizer in this unit, refer to the Economizer installation instructions for
proper set up and operation.
GRY-90"
A B
7 9
GRY
YEL
4 6
1 3
GRN
BLK
ORN
BLUE
RED
RED
OPTIONAL
ECONOMIZER
L1
L2
L3
BLOWER
MOTOR
AIR HANDLER
SECTION
NOTES:
W7459A
GRN-18"
TR TR 1
GRN-18"
VIO-14"
S
o
s
BLU-14"
JUMPER
C7400A
S
r WIRE
5
YEL-18"
1 2 1S
2K
3 4
1S
T
T1
P P1
TB-11 M7415A
TR
BLK-12"
TR1
T
RED-12"
T1 MA
GRY-12"
P1
BLK-12"
MIN.
P POT.
BLU-12"
15