W 422
03/09
Universal Reset Module 422
- Wiring Brochure
1 of 12 © 2009 W 422 - 03/09
Information
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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
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Wiring and
installation of
specific control
4
Job
Record
Record settings &
wiring details for
future reference
6
Data
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Control settings
and sequence of
operation
5
Introduction
51
52 53 54 55 56 57 58 59 60 61 62 63 64 65
Boiler DHW Setpoint C C2 tN4 C Com Boil Mix Com Out+Opn Cls
Demand Demand 24 V (ac) Boil/Mix2 R R Mod (dc)
R
66 67 68 69 70
–
Primary Mix Sys P1
10 A
max.
75 76 77 78
NN
DHW Variable Speed
71 72 73 74
Pump Pump
N
Pump NPump
tN4
H7008B
tN4 Boiler / Mix 2
Boil Sens Sup / Ret
Boiler On-Off / Mod
Off / tekmar Stager
Off / Flushing
Powered OutputOutput 1 VA
Floating Output:
24 V (ac) 8 VA
Made in Canada
Meets Class B: Canadian
ICES & FCC Part 15
Test
Var. Pump Fuse
T2.5 A 250 V
Universal Reset Module 422
Item
Menu
tektra 991-03
Var. Pump: 115 V (ac) 2.5 A
Demands: 20 - 260 V (ac)
Relay Rating: 115 V (ac) 5 A
/
Do not apply power
2.5 A
tekmar wiring Enclosure (not included)
tekmar Zone Manager
The following wiring brochure describes how to wire the tekmar Universal Reset Module 422. The 422 is to be installed
in an enclosure together with a tekmar Zone Manager. The 422 controls one boiler (on-off or modulating), DHW, setpoint
and one mixing (either variable speed injection or floating action). The wiring of tekmarNet
®
4 (tN4) components is simple
and cost effective.
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