Home > Thermogroup > Thermogroup Thermotouch 4.3dC Dual Control Thermostat Installation Guide
Thermogroup Thermotouch 4.3dC Dual Control Thermostat Installation Guide
Need a hand? Call us on 1300 368 631
Problem
Possible Causes
Things to Try
Isolate power and check that a compatible NTC10K sensor probe is
connected to terminals 6 & 7.
0°C
No floor sensor
installed
Temperature
reading
If no sensor is installed you will need to have one installed or run the
system on air/ambient temperature only
If there is a sensor connected then it may be faulty. Disconnect the
sensor from the terminals and test the resistance using a multimeter on
the 20KΩ setting.
The sensor is rated at 10KΩ at 25C and fluctuates with temperature
differences.
Faulty floor sensor
Depending on the temperature the resistance reading should be
somewhere between 8 - 12KΩ
If the sensor is faulty it will need to be replaced.
Sometimes more than one floor sensor is connected to the thermostat
by mistake. This results in a high resistance and incorrect temperature
readings that are much higher than normal. Check that there is only 1
sensor probe connected to your thermostat.
More than one sensor
installed
Flashing
Take the front plate off of the thermostat using a flat screwdriver.
back-light or
any fault with
the display
or button
Bad connection
between display and
power unit
Unplug the white ribbon cable and check the cable and pins for any
signs of damage. If no damage is found replace the cable, click the
display back into position and turn on.
functions
Check the type of transformer used. If a DC output transformer
has been used it can cause the relay to stick. Disconnecting then
reconnecting the power should release the relay however if a DC
transformer has been used this will continue to happen and damage the
relay so an inrush limiting device must be added to protect the relay.
Appliance
Incorrect (DC)
transformer used
Relay stuck
30 1300 368 631
|
| General | Details |
|---|---|
| Name | Thermogroup Thermotouch 4.3dC Dual Control Thermostat Installation Guide |
| Make | Thermogroup |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.23 MB |
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