ONX908PIT-V1-S1-F3/B Modulating Digital Thermostat
Installation and operation instructions
The ONX908PIT-V1-S1-F3 modulating digital thermostats are designed to provide
Proportional-Integral (PI) modulating control in 2-pipe or 4-pipe fan coil units, zoned commercial
heating, Ventilating and various heating and cooling applications.
This thermostat provides modulating analog 0-10V or 4-20mA control. Other available
feature includes energy savings card key input, auto-detection of temperature sensor (remote
sensor or internal sensor), and optional Celsius or Fahrenheit operation.
SPECIFICATION:
Input Voltage ……………………
24Vac, 50/60 Hz (Digital Thermostat)
24Vac-250Vac;
50/60Hz
(Fan)
Output Voltage ………………
Modulating output 4 to 20mA or 0-10VDC
On/Off
output
for
fan
5A
250VAC
Room temperature setting range………5
℃
to 35
℃
(41
℉
to 95
℉
)
Accuracy…………………………….
±
0.1
℉ or ±
0.2
℃
Dimensions………………………… 115mm
×
90mm
×
28mm
Color……………………………….. White
FEATURE:
Large LCD display
The screen displays the set temperature, the room temperature simultaneously
Permanent user setting and program setting retention during power loss,
Special energy saving mode-external input from window contact or hotel card-key overrides
the temperature setting to installer defined heating and cooling temperatures
0-10Vdc or 4-20mA heat and cool outputs
3-speed fan control
Fahrenheit or Celsius display capability
IMPORTANT SAFETY INFORMATION:
Always turn off power at the main power source by unscrewing fuse or switching circuit
breaker to the off position before installing, removing, cleaning, or servicing this thermostat.
Read all of the information in this manual before installing this thermostat.
Only a professional contractor should install this thermostat.
All wiring must conform to local and national building and electrical codes and ordinances.
Use this thermostat only as described in this manual.
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Summary of Contents for ONX908PIT-V1-S1-F3/B
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