Wiring Brochure

7 of 12 © 2008 W 325 - 12/08
The 325 operates one Zone Group Pump.
•
• If a Zone Group Pump C is used, the pump is wired
directly to terminals 89 and 90.
•
• The pump’s ground wire is connected to the ground
screw provided in the wiring chamber.
Note: For pumps larger than the control’s rated capacity,
an external isolation relay must be used.
Wiring the Zone Group Pump Terminals 89-90
Pump
Pump
L & N
89 90
Zone Group
Pmp C N
Ground
Zone Expansion
Module 325