neptronic TMA54-EXT1 Thermostat Instruction Manual
TMA54-EXT1
Specification & Installation Instructions
Display
Operation Mode
Step
Description
At powering up, thermostat will light display and activate all LCD segments during 2 seconds.
Illuminating the LCD.
To illuminate the LCD, you just have to push onto any of the 3 buttons. LCD will light for 8 seconds.
Temperature display
In operation mode, thermostat will automatically display temperature read.
To change the scale between ºC and ºF, press on both and for 3 seconds.
Set point display and adjustment
1
2
3
To display the set point, press twice on the or button. Set point is displayed for 5 seconds.
To adjust set point, press on or while the temperature set point is displayed.
Note: This value must respect the temperature range of the selected temperature sensor. Set to internal or
external at step #11A (for range, see Technical Data table on page 1).
Note: If set point adjustment has been locked,
Night set back (NSB) :
symbol will be displayed.
When thermostat is in night set back mode, NSB symbol is displayed, so set point for cooling and/or heating
are increased as per the setting made in programming mode.
If not locked, night set back can be derogated for a predetermined period by pressing onto any of the 3 buttons.
During period of NSB derogation the symbol will flash. If NSB does not flash, the derogation period is finished
or the Night set back derogation has been locked in programming mode.
Control mode selection :
To verify which control mode is set, press once onto the button. Control mode will be displayed during 5
seconds.
To change of control mode, press on or while control mode is displayed. You can choose one of the
following:
4
Automatic Cooling or Heating
Cooling and Heating OFF
Cooling only
Heating only
Note: If control mode selection has been locked,
symbol will be displayed.
Typical Application
Thermostat for controlling an electric heater in a Make-Up Air unit.
Wiring
Schematic
Recycling at end of life
At end of life, please return the thermostat to your Neptronic local distributor for recycling. If you need to find the nearest Neptronic
4
| General | Details |
|---|---|
| Name | neptronic TMA54-EXT1 Thermostat Instruction Manual |
| Make | neptronic |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.28 MB |

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