Table of Contents
Advertisement
4.2B THERMOSTAT CONNECTIONS
NOTE: These low voltage application diagrams are generic. Your
indoor/outdoor units may not have all the characteristics shown or may
not wire exactly as shown. Refer to the diagrams and information sent
with your indoor/outdoor sections.
FIGURE 9
TYPICAL THERMOSTAT: STD COOLING W / ELECTRIC HEAT
Humidistat
Typical
Two-Stage
Thermostat
E/W1
W2
Y1
B
R
C
G
FIGURE 11
TYPICAL THERMOSTAT: STD COOLING W / ELECTRIC HEAT USING A
2-STG DEHUMIDIFYING THERMOSTAT
Two Stage
A/C Thermostat
*
W2
G
Y
W
D
C
R
Y2
FIGURE 13
TYPICAL THERMOSTAT: HEAT PUMP W / ELECTRIC HEAT USING A
HUMIDISTAT FOR DEHUMIDIFICATION
Humidistat
Heat Pump
Thermostat
R
*
Y
E
G
B
C
W2
SINGLE STAGE
Heat Pump
Outdoor
Air Handler
PR
W1
W2
Y1
Y
Y/BL
Y2
BL
B
R
R
BR
C
G
W/R
ODD
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
Air Handler
*
When using 13kW or higher, it is
recommitted to jump W1 and W2
W/BL
W2
together for maximum
outlet temperature rise.
G/BK
G
Y
Y
W/BK
W1
A/C Outdoor Unit
BL
B
Y
G/Y
ODD
C
BR
C
R
R
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
Air Handler
R
Heat Pump
R
Outdoor Unit
Y
Y
Y
W/BK
D
W1
G/BK
G
BL
B
R
C
BR
C
G/Y
ODD
*
When using 13kW or higher, it is
recommitted to jump W1 and W2
together for maximum
W/BL
W2
outlet temperature rise.
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
(-)H1T continued on next page
WIRE COLOR CODE:
BK - BLACK
G - GREEN
BR - BROWN
GY - GRAY
GL - BLUE
O - ORANGE
FIGURE 10
TYPICAL THERMOSTAT: STD COOLING W / ELECTRIC HEAT USING A
HUMIDISTAT FOR DEHUMIDIFICATION
Humidistat
Unit
Single-Stage
D
A/C Thermostat
R
Y1
Y
Y2
W
B
G
C
R
C
L
FIGURE 12
TYPICAL THERMOSTAT: HEAT PUMP W / ELECTRIC HEAT
Heat Pump
Thermostat
R
Y
E
G
B
C
W2
FIGURE 14
TYPICAL THERMOSTAT: HEAT PUMP W / ELECTRIC HEAT USING A 2-
STG DEHUMIDIFYING THERMOSTAT
Heat Pump
Thermostat
R
Y
E
G
B
B
C
Y2
W2
P - PINK
W - WHITE
PR - PURPLE
Y - YELLOW
R - RED
Air Handler
R
R
A/C Outdoor Unit
Y
Y
W/BK
W1
G/BK
G
BL
B
BR
C
G/Y
ODD
W/BL
W2
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
Air Handler
R
R
Y
Y
*
W/BK
W1
G/BK
G
BL
B
BR
C
G/Y
ODD
*
When using 13kW or higher, it is
W/BL
W2
recommitted to jump W1 and W2
together for maximum
outlet temperature rise.
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
Air Handler
R
R
Y
Y
W/BK
W1
G/BK
G
BL
B
BR
C
G/Y
ODD
*
When using 13kW or higher, it is
recommitted to jump W1 and W2
W/BL
together for maximum
W2
outlet temperature rise.
WIRING INFORMATION
Line Voltage
-
Field Installed
-
Factory Standard
Y
C
Heat Pump
Outdoor Unit
Y
D
B
R
C
Heat Pump
Outdoor Unit
Y
D
B
R
C
15
Advertisement
Table of Contents
