Watts tekmar 294 - Notifications and Overrides Menus; Notifications Menu Overview; Overrides Menu Parameters

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IOM-T-294 2205 © 2022 tekmar
Parameter Range Description
OPERATION
Automatic, Hand,
Purge, Max Heat, Off
Set the manual override.
Automatic reverts to normal operation.
Hand allows each output to be turned on or set manually.
Purge turns on the pumps to remove air from the system. No boilers are fired.
Max Heat operates the heating system at the boiler maximum setting.
Off places the control into a standby state and the boilers and pumps are not operated.
COMBUSTION AIR
DAMPER
Off or On
Default: Off
Select to turn on the combustion air damper. Available in Hand override.
SYSTEM PUMP
Off or On
Default: Off
Select to turn on the system pump. Available in Hand override.
DHW PUMP
Off or On
Default: Off
Select to turn on the DHW pump. Available in Hand override.
FOR EACH BOILER 1 TO 16
BOILER PUMP
Off or On
Default: Off
Select to turn on the boiler pump. Available in Hand override when Variable Primary
Flow is set to Boiler Pumps.
BOILER ISOLATION
VALVE
Off or On
Default: Off
Select to turn on the boiler isolation valve. Available in Hand override when Variable
Primary Flow is set to Isolation Valves.
MODULATION
0 to 100%
Default: 0%
Set the boiler modulation firing rate signal to fire the boiler. Available in Hand override
when Boiler Type is Modulating Firing Rate.
MODULATION
50 to 230°F
(10.0 to 110.0°C)
Default: 50°F (10.0°C)
Set the boiler modulation target temperature signal to fire the boiler. Available in
Hand override when Boiler Type is Modulating Target Temp.
STAGES
Stage 1, Stage 2, Stage
3, Stage 4
Set the boiler stage on. Available in Hand override when Boiler Type is 1-Stage,
2-Stage, 3-Stage or 4-Stage.
The control keeps track of the last 30 errors and alert
notifications.
Refer to the Troubleshooting section for corrective action.
Notifications Menu
Overrides Menu