Wiring Guide

© 2008 W 346 - 12/08 6 of 12
This section explains how to wire individual devices to
the Power Manager 346. For step by step wiring refer to
the terminal number on the right of the page.
Before wiring ensure all power is turned off and take all
necessary precautions.
Install the supplied wiring compartment barriers by sliding
them into the grooves provided to isolate the low and
high voltage wiring.
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•
Connect the Boiler Bus tN4 (terminal 1) to the Boiler Bus
tN4 on the Reset Module (if applicable).
Connect the Boiler Bus C (terminal 2) to the Boiler Bus
C on the Reset Module (if applicable).
•
•
tN4 Boiler Bus 0 Terminals 1, 2
Connect Bus 1 tN4 (terminal 5) to the tN4 terminal on
the Mixing Expansion Module.
Connect Bus 1 C (terminal 6) to the C terminal on the
Mixing Expansion Module (if applicable).
Connect R (terminal 7) to the R terminal on the Mixing
Expansion Module.
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•
•
tN4 Bus 1 Connection to Mixing Expansion Module Terminals 5, 6, 7
Wiring the Control Terminals 1 - 33
Strip all wiring to a length of 3/8 in. or 10 mm for all
terminals.
A circuit breaker or power disconnect that provides
power to the control should be located nearby and
clearly labeled as the power disconnect for the 346.
Refer to the current and voltage ratings at the back of this
brochure before connecting devices to this control.
Only qualified personnel should install or service
the control.
•
•
•
•
tN4 C
Zone Manager
and / or Reset
Module
tN4 C
Boil 0
12
Power
Manager 346
Each tN4 bus on the reset module must connect to the
Power Manager 346. Bus 1 plugs into the reset module
and does not require any external wiring.
The Boiler Bus 0, as well as Bus 2 and Bus 3 must be
externally wired to a reset module if those buses are
being used.
Buses 1, 2 ,and 3 can potentially be connected to Mixing
Expansion Modules.
Wiring tekmarNet
®
4 (tN4) Buses Terminals 1 - 15
tN4 C R
Mixing Expansion
Module
tN4 C R
1
567
Power
Manager 346
Connect Bus 2 tN4 (terminal 9) to Bus 2 tN4 on the
Reset Module.
Connect Bus 2 C (terminal 10) to Bus 2 C on the Reset
Module.
Connect Bus 2 tN4 (terminal 9) to the tN4 terminal on
the Mixing Expansion Module.
Connect Bus 2 C (terminal 10) to the C terminal on the
Mixing Expansion Module.
Connect R (terminal 11) to the R terminal on the Mixing
Expansion Module.
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•
•
•
•
tN4 Bus 2 Terminals 9, 10, 11
tN4 C R
Mixing Expansion
Module
tN4 C R
2
91011
Power
Manager 346
tN4 C
Reset
Module