© 2013
400_D - 09/13
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Table of Contents
Installation ......................................................................3
Preparation ................................................................ 3
Physical Dimensions ................................................. 3
Installation Location .................................................. 4
Rough-In Wiring ........................................................ 4
Sizing the Transformer .............................................. 4
Control Wiring ........................................................... 4
Sensor Wiring ............................................................ 7
Testing the Sensor Wiring ......................................... 9
Testing the Control Wiring ......................................... 9
Max Heat ..................................................................10
Applications .................................................................. 11
User Interface ............................................................... 13
Display......................................................................13
Symbols ...................................................................13
Navigating The Display ............................................14
Access Levels and Thermostat Lock ........................14
Programming and Settings .......................................14
View Menu ...............................................................15
Adjust Menu ........................................................16-18
Monitor Menu ...........................................................19
Toolbox Menu .......................................................... 20
Sequence of Operation ................................................21
tekmarNet
®
System ..................................................21
Boiler Temperature Reset Operation ........................21
Domestic Hot Water Tank Operation ....................... 22
Setpoint Operation ...................................................24
Boiler Operation .......................................................24
Pump Operation ...................................................... 26
Energy Saving Features ...........................................27
Troubleshooting ............................................................28
Error Messages ....................................................... 29
Frequently Asked Questions ................................... 30
Job Record ...............................................................31
Technical Data ..............................................................32
Limited Warranty and Product Return Procedure ........32
To avoid serious personal injury and damage to the equipment:
It is the installers responsibility to ensure that this
control is safely installed according to all applicable
codes and standards.
Improper installation and operation of this control could
result in damage to the equipment and possibly even
personal injury or death.
This electronic control is not intended for use as a
primary limit control. Other controls that are intended
and certified as safety limits must be placed into the
control circuit.
Do not attempt to service the control. There are no user
serviceable parts inside the control. Attempting to do
so voids warranty.
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Important Safety Information
It is your responsibility to ensure that this control is safely installed according to all applicable codes and standards.
tekmar is not responsible for damages resulting from improper installation and/or maintenance.
Read Manual and all product labels
BEFORE using the equipment. Do
not use unless you know the safe and
proper operation of this equipment.
Keep this Manual available for easy
access by all users.
Replacement Manuals are available at
tekmarControls.com
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Disconnect all power before opening
the control.
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