Wayne-Dalton WDTC-20 Thermostat User Manual


 
13
Step 6: Modify Label Scheme
Installation
If your combination of wires is not shown, refer to the cross reference chart below. Add the
corresponding Wayne-Dalton terminal designation label to your wire’s label and then repeat
Step 5 to match your wiring diagram. If a match is still not successful, contact customer
support at 1-866-545-5765, e-mail at homesettings@wayne-dalton.com or contact your
HVAC professional.
Note: The C wire (24 Volts AC) is not optional. If a C wire is not present, your Z-Wave®
Enabled Thermostat will not operate, contact customer support for options.
Cross Reference Chart
Your Wires
R or V or VR
RH or R4
RC
W
W2
Y
Y2
G or F
C or X
E
L
T
B or
O
B and O
Z-Wave
®
Enabled Thermostat Terminal Designation
RH and Jumper 3 ON - Single power for Heat and Cool
RH and Jumper 3 OFF - Power for Heat
RC and Jumper 3 OFF - Power for Cool
W - Heat Control
W2 - 2nd stage Heat
Y - Cool Control
Do not connect and wrap exposed end with insulating electrical tape (2nd stage cool control
is not supported)
G - Fan Control
C - Common 24 VAC power (to power thermostat)
Do not connect and wrap exposed end with insulating electrical tape (Emergency heat is
supported by placing jumper 2 in the Aux position)
Do not connect and wrap exposed end with insulating electrical tape (System Monitor is not
supported)
Do not connect and wrap exposed end with insulating electrical tape (Outdoor Sensor is not
supported)
B - Heat pump changeover (cool to heat, powered in heat)
O - Heat pump chageover (heat to cool, powered in cool)
If there are both B and O wires (typical of Trane Heat Pumps), DO NOT CONNECT B to B
terminal, Re-label B as C.
Common Designations for Normal Gas, Oil and Electric systems and Heat Pump Systems
Common Designations for
Zoned Hot Water Systems
Your Wires
R
W
Terminal Designation
RH
W
Your Wires
R or V or VR
Y or W or W2
M or Y
G or F
C or X or X2
R or O
Terminal Designation
RH
W2
Y
G
C
O
Your Wires
R
W
Y(3rd Wire)
Terminal Designation
RH
W
A
Your Wires
R
W
Y(3rd Wire)
Terminal Designation
RH
A
W
3 Wire Zoned Hot Water Solenoid Valves
3 Wire Zoned Hot Water Motor Drive Valves
2 Wire Zoned Hot Water
Common Designations for
Lennox Heat Pump Systems
Common Designations for Trane
Systems (American Standard)
Your Wires
B
W or W1
Terminal Designation
C
W2