Wiring Guide

5 of 8 © 2008 W 441 - 12/08
Electrical Application 441 E2
1
R
2
C
3
tN4
4
Pmp
5
Com
6
Mix
+
Use at least
194F (90C)
conductors
ON
ON
Universal Sensor 082
441 Mixing
Expansion Module
System
Pump
3
4
5
6
2
1
8
7
RC
Relay 003
L
N
To tN4 Mix temperature bus
on a tN4 system control
ON
Description:
The Mixing Expansion Module 441 connects to a tN4 device such as a thermostat which in turn is connected to a tN4 system
control. An external transformer provides 24 V (ac) power, and a Relay 003 is used to switch the system pump.