neptronic TFC54F3X1 Fan Coil Thermostat Installation Guide
Fan Coil Thermostat
Specification and Installation Instructions
Operation mode
Step
Description
Display
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 or 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.
Setpoint display and adjustment:
1
2
3
To display the setpoint, press two times on or Setpoint will be displayed during 5 seconds. To
adjust setpoint, press on or while the temperature setpoint is displayed.
Note: If setpoint adjustment has been locked, symbol will be displayed.
Night set back (NSB):
When thermostat is in night set back mode, NSB symbol is displayed, so setpoint 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
4 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 change the control mode, press on
can choose one of the following:
. Control mode will be displayed during 5 seconds. You
✓
✓
✓
✓
Automatic Cooling or Heating
4
OFF (if not disable in programming mode)
Cooling only
Heating only
Note: These selections can vary according to the choice made on step #5 & 6.
Fan speed mode selection:
To change the fan speed mode, press on
You can choose one of the following:
. Fan speed mode will be displayed during 5 seconds.
✓
✓
✓
✓
Automatic speed (if not disable in programming mode)
Low speed
Medium speed
High speed
5
Note: These selections can vary according to the choice made on step #22 & 24
Night set back
Wiring
Schematic
Terminals
Terminals
Line voltage
Time clock
TFC54F3X1
TFC54F3X1
Xfo
TFC54F3X1
X
f
o
Xfo
Common
24 Vac
1
2
4
Common 1
Line
voltage
Line
voltage
or
2
4
24 Vac
Time
clock
Time
clock
OCCUP.STA
OCCUP.STA
Page | 6
| General | Details |
|---|---|
| Name | neptronic TFC54F3X1 Fan Coil Thermostat Installation Guide |
| Make | neptronic |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.5 MB |
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