Daikin TSTATD4271C - Page 60

IM 1227 • MODELS DC THERMOSTATS 60 www.DaikinApplied.com
high resoluTion TouCh sCreen DigiTal ThermosTaT
Sample Wiring Diagrams
with Dip Switch Positions
Conventional Heating and Cooling Systems
2 Wire, Heat Only
Residential & Commercial 1 Stage Heating with no Fan.
The thermostat will not work with 2 wires. Either pull new wire or purchase a
model TSTATGAC-2W two-wire kit
GAS/EL
O
GAS
HP
B
ELEC
3 Wire, Heat Only
Residential & Commercial 1 Stage Heating with no Fan.
R – 24VAC Power
C – 24VAC Common
W1/O/B – 1st Stage Heat
GAS/EL
O
GAS
HP
B
ELEC
4 Wire, Cool Only
Residential & Commercial 1 Stage Cooling.
R – 24VAC Power
C – 24VAC Common
Y1 – 1st Stage Cool
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
5 Wire, 1 Stage Cooling, 1 Stage Heat
Residential & Commercial 1 Stage Cooling, with 1 stage Electric Heat.
R – 24VAC Power
C – 24VAC Common
W1/O/B – 1st Stage Heat
Y1 – 1st Stage Cool
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
5 Wire, 1 Stage Cooling, 1 Stage Heat
Residential & Commercial 1 Stage Cooling, with 1 stage Gas Heat.
R – 24VAC Power
C – 24VAC Common
W1/O/B – 1st Stage Heat
Y1 – 1st Stage Cool
GAS/EL
O
GAS
HP
B
ELEC
8 Wire, 2 Stage Cooling, 3 Stage Heat
Residential & Commercial 2 Stage Cooling, with 3 stage Gas Heat.
R – 24VAC Power
C – 24VAC Common
W1/O/B – 1st Stage Heat
W2 – 2nd Stage Heat
W3/AUX – 3rd Stage Heat
Y1 – 1st Stage Cool
Y2 – 2nd Stage Cool
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
Heat Pump Systems
5 Wire, 1 Stage Cooling, 1 Stage Heat
Residential & Commercial Heat Pump with ‘O’ Reversing Valve
R – 24VAC Power
C – 24VAC Common
W1/O/B – Reversing Valve
Y1 – 1st Stage Compressor (Cool or Heat)
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
6 Wire, 1 Stage Cooling, 2 Stage Heat
Residential & Commercial Heat Pump with ‘O’ Reversing Valve
R – 24VAC Power
C – 24VAC Common
W1/O/B – Reversing Valve
Y1 – 1st Stage Compressor (Cool or Heat)
W2 – Aux Heat
GAS/EL
O
GAS
HP
B
ELEC
7 Wire, 2 Stage Cooling, 3 Stage Heat
Residential & Commercial Heat Pump with ‘O’ Reversing Valve.
R – 24VAC Power
C – 24VAC Common
W1/O/B – Reversing Valve
W2 – 3rd Stage Heat
Y1 – 1st Stage Compressor (Cool or Heat)
Y2 – 2nd Stage Compressor (Cool or Heat)
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
(Number of Compressor Stages set to 2)
8 Wire, 2 Stage Cooling, 4 Stage Heat
Residential & Commercial Heat Pump with ‘O’ Reversing Valve.
R – 24VAC Power
C – 24VAC Common
W1/O/B – Reversing Valve
W2 – 3rd Stage Heat
W3/AUX – 4th Stage Heat
Y1 – 1st Stage Compressor (Cool or Heat)
Y2 – 2nd Stage Compressor (Cool or Heat)
G – Fan
GAS/EL
O
GAS
HP
B
ELEC
(Number of Compressor Stages set to 2)