1 of 12 © 2009 W 423 - 03/09
W 423
03/09
Universal Reset Module 423
- Wiring Brochure
Information
Brochure
Choose controls
to match
application
1
Application
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Design your
mechanical
applications
2
Rough-in
Wiring
Rough-in
wiring
instructions
3
Wiring
Brochure
Wiring and
installation of
specific control
4
Job
Record
Record settings &
wiring details for
future reference
6
Data
Brochure
Control settings
and sequence of
operation
5
Overview
50
51 52 53
Stage1/ Stage 2/
Boil Enbl Setp Enbl
75
76 77 78
Demand Demand
DHW Setpoint
54 55
DHW Primary
10 A
max
79 80 81 82
NPump N
Pump
tN4
Made in Canada
8 VA 1 VA
Boil Sens Sup / Ret
H7010A
Off / DHW Sensor
Off / tekmar Stager
Boilers On-Off / Mod
Off / Rotation
Meets Class B: Canadian
ICES & FCC Part 15
Powered
Outputs
24 V (ac)
Universal Reset Module 423
Item
Menu
tektra 1006-01
Demands: 20 - 260 V (ac)
Relay Rating: 115 V (ac) 5 A
71
72 73 74
DHW 24 V (ac)
/
57 58 59 60 6156
C
C
tN4
Mod2 (dc)Mod1 (dc)
6564
C3C1+–
C
+–
tN4
62 63
C2 tN4 tN4
66 67
DHW
Com
Boiler
68 69
Boil Com
70
Out
Do not apply power
Test
123
Vlv
R
tekmar wiring Enclosure (not included)
tekmar Zone Manager
The following wiring brochure describes how to wire the tekmar Universal Reset Module 423. The 423 is to be installed in
an enclosure together with a tekmar Zone Manager. The 423 controls two boilers (on-off or modulating), DHW, and setpoint.
The wiring of tekmarNet
®
4 (tN4) components is simple and cost effective.
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