Wiring Guide

7 of 12 © 2008 W 444 - 12/08
Electrical Application 444 E4
FRONT
No Power
Mixing Expansion Module 444
Variable Speed / Floating Action /
Modulating
Made in Canada
Signal wiring
must be rated at
least 300V / 90°C
Cut for mA output
5
R
6
R
41
tN4
7
Mod
+
8
Com
9
Mix
Power ClsOpn
Sys
Pmp
2
C
3
R
No Power
Date Code
Black Red Blue Green
BACK
Opn ClsC
Opn Cls
Mix
Supply
Sensor
Pump
Actuating
Motor
741
tN4
Mix Bus
120 V (ac)
Neutral
GroundMix
System
Pump
L
CR
NL
Description:
The Mixing Expansion Module 444 communicates to a tN4
System Control and operates a floating actuating motor to
change the position of a 4-way valve.
The 444 can be powered using an external 24 V (ac)
transformer. However, the tN4 and C terminals must connect
to a tN4 mix bus.
Thermostat
tN4 Bus
444
Mix System
Pump
Reset
Module
Zone
Manager