neptronic STS3 Series Wall Thermostat Instruction Manual
Wall Thermostat
Specification and Installation Instructions
M
o
d
e
l
s
STS3-11C(10 KΩ)
STS3-11F(10 KΩ)
STS3-13C(3.3 KΩ)
STS3-13F(3.3 KΩ)
Features
•
•
Selectable Celsius or Fahrenheit scale
Sensor 3.3 KΩ or 10 KΩ
Wall Thermostat
Technical Data
Specification
Description
STS3-11C
STS3-11F
STS3-13C
STS3-13F
Can be used with a DF series duct heaters, BM023C actuator, and other Neptronic controllers.
Scale
Celsius
Fahrenheit
Celsius
Fahrenheit
Setpoint Range
Sensor NTC
14ºC to 30ºC
57ºF to 86ºF
14ºC to 30ºC
57ºF to 86ºF
10 KΩ
3.3 KΩ
Electrical Connection
2 wires 0.8 mm2 [18 AWG] minimum
Operating Temperature
Storage Temperature
Relative Humidity
Ingress Protection
Weight
2ºC to 35ºC (35ºF to 95ºF)
0ºC to 50ºC (32ºF to 122ºF)
5 to 95 % non condensing
IP 30 (EN 60529)
68 g. [0.15 lb]
Dimensions
A = 3.00” | 78mm
B = 3.00” | 78mm
C = 1.00” | 24mm
D = 2.36” | 60mm
B
D
A
C
Wiring (Factory Settings)
P3
Calibration
Potentiometer
P5
TB1
Connecting
Strip
Temperature
Sensor
Mounting Instructions
CAUTION: Remove power to avoid a risk of malfunction.
A. Remove the captive screw that’s holding the base and the front cover of the room setpoint sensor enclosure.
B. Lift the front cover of the enclosure to separate it from the base.
C. Pull wire through the hole in the base.
D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections.
E. Mount the control module on the base and secure using the screw.
A
B
C
D
E
Recycling at end of life: please return this product to your Neptronic local distributor for recycling. If you need to find the nearest
STS3-240130
Page | 1
| General | Details |
|---|---|
| Name | neptronic STS3 Series Wall Thermostat Instruction Manual |
| Make | neptronic |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.48 MB |

neptronic ITO3-C Wall Thermostat Owner’s Manual

neptronic TFC54F3X1 Fan Coil Thermostat Installation Guide

neptronic TMA54-EXT1 Thermostat Instruction Manual

Neptronic STS3 Manual: Questions and Answers
Neptronic STS3 specifications
| Operating temperature | 2ºC to 35ºC (35ºF to 95ºF) |
| Storage temperature | 0ºC to 50ºC (32ºF to 122ºF) |
| Humidity | 5 to 95 % non condensing |
| IP rating | IP 30 (EN 60529) |
| Weight | 68 g. [0.15 lb] |
Can I use this thermostat with a duct heater?
Yes, it's compatible with DF series duct heaters, BM023C actuators, and other Neptronic controllers. Instruction Manual, p. 1
What's the difference between the Neptronic STS3-11C and STS3-13C models?
| Model | Sensor Type |
|---|---|
| STS3-11C | 10 KΩ NTC |
| STS3-13C | 3.3 KΩ NTC |














