U.S and Foreign Patents & patents pending
© Copyright 2004 by Arzel
®
Zoning Technology, Inc.
5
WIRING DIAGRAMS
The following diagrams have been provided for your convenience. They represent the most common installation techniques.
If your application does not look like either of these or you need additional help, there are additional diagrams at
www.arzelzoning.com or contact Tech. Support at (800) 611-8312.
Pump
Pump and Solenoid connections
(factory installed)
Zone 1 Zone 2 Zone 3
R W Y G O B C
HVAC Outputs
24VAC R C
Remote ODT
Pump 1 2 3 +
ON
MPS
OFF
24VAC
Transformer
Furnace/Fan
Center
R W Y G O C
18-4 or 18-5
Thermostat wire
Zone 1
Thermostat
R W Y G O C
Zone 2
Thermostat
Zone 3
Thermostat
Pump
Pump and Solenoid connections
(factory installed)
Zone 1 Zone 2 Zone 3
R W Y G O B C
HVAC Outputs
24VAC R C
Remote ODT
Pump 1 2 3 +
ON
MPS
OFF
24VAC
Transformer
Heat Pump
R W Y G O C
18-5 or 18-6
Thermostat wire
Zone 1
Thermostat
Zone 2
Thermostat
Zone 3
Thermostat
Reversing Valve
Select the HVAC Output
O
terminal if your reversing valve
energizes in cooling,
B
terminal if it energizes in heating
Choose thermostats that energize the O terminal in cooling
18-5 Thermostat wire
Outdoor
Thermostat
Com
N/O
or
SPST Relay
Com
N/O
Load side Coil side
Connect relay coil to
E & C from any single
thermostat
Furnace/AC
Heat Pump with
Electric Backup
18-5 Thermostat wire
E
C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
R W Y G O C
