tekmar 401 House Control Installation - Manual

1 of 28 © 2011 D 401 - 07/11
tekmarNet ® 2 House Control 401
D 401
07/11
HVAC Systems Replaces: 09/10
Installation & Operation Manual
Menu
House Control 401
Item
VIEW
Boil
Zones
1 2 3 4
Calls Pumps
Benefi ts
Energy efficiency through Outdoor Temperature
Reset with Indoor Feedback
Indoor Feedback minimizes the water temperature
(increasing energy savings), and the efficiency of
your mechanical equipment through integrated
tekmarNet
® Thermostats
Zone Synchronization reduces equipment cycling
Auto Differential - Reduces boiler cycling
Compact enclosure for flexible installation
Simple zone expansion using Wiring Centers
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The House Control 401 is designed to operate as part of a
complete hydronic heating system with tekmarNet
® 2 (tN2)
thermostats. It can provide operation of a single outdoor
reset water temperature, Domestic Hot Water and Setpoint
capabilities. It is easy to add more zones, add schedules
or other convenient accessories through the use of the
tekmarNet
® 4 (tN4) Expansion terminals.
Features
Single on-off, two-stage or modulating boiler
Boiler outdoor reset temperature
Domestic Hot Water tank operation
Setpoint operation
For use with tekmarNet
® 2 Thermostats
Four 115 V (ac) powered zone pump outputs
Expand to 24 zones using tekmarNet
® 4 expansion
ports
CSA C US Certified for use in USA and Canada
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Introduction