Watts tekmar 294 - Table of Contents

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IOM-T-294 2205 © 2022 tekmar
Important Safety Information .........................3
Radio Frequency Statement .........................4
Installation .......................................5
Installation Location .............................5
Wiring Schematic ...............................6
Wiring Instructions ..............................7
Testing the Sensor Wiring .........................9
User Interface ...................................15
Power On ....................................15
Lock Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Home Screen .................................16
Status Icons ..................................16
System Inputs Screen...........................17
System Outputs Screen .........................17
Boiler Supply Chart Screen .......................17
Boiler Status List Screen .........................18
Boiler Status Carousel Screen.....................18
Boiler Hours or Cycles Screen.....................18
Menu Screen .................................19
Navigation....................................19
Menus .........................................20
Home Screen .................................20
Settings Menu..............................21-28
Schedule Menu................................29
Notifications Menu .............................30
Overrides Menu ...............................30
About Menu ..................................32
Help Menu ...................................32
Sequence of Operation ............................33
Heating Calls..................................33
Central Heating Operation........................33
Domestic Hot Water (DHW) Operation ..............35
System Setup and Operation .....................36
Constant Setpoint Operation......................38
Remote Setpoint Call ...........................39
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4 Call ..............................39
Boiler Operation ...............................40
Boiler Modbus Communication ....................42
System Operation ..............................43
Pump Operation ...............................46
Combustion Air Damper Operation .................46
Schedule.....................................47
Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Troubleshooting..................................48
Errors and Alerts ............................48-50
Technical Data ...................................52
Limited Warranty and Product Return Procedure .........52
Table of Contents