Braemar CTB-20845 User manual
ON/OFF
Backlight
Heating mode
Temperature display
Heater On
Low Battery
Thermostat off
C
OFF
Temperature setting
Important safety information
THIS APPLIANCE MUST BE INSTALLED AND SERVICED BY
AUTHORISED PERSONNEL ONLY.
DO NOT: Operate this appliance before reading these instructions.
DO NOT: Place articles on or against this appliance.
DO NOT: Use or store flammable materials near this appliance or its
flue terminal.
DO NOT: Spray aerosols in the vicinity of this appliance or its flue
terminal while it is operating.
DO NOT Operate this appliance with any parts removed.
DO NOT: Modify this appliance.
For 3 star heaters, it is recommended that a flue guard be fitted where
children may be able to touch the flue terminal - flue guard part No
079073. If required, call Braemar Service on 1300 650 644.
For spare parts call 1300 367 437.
Manual Digital Thermostat User Instructions
Button functions Display
Turning your heater ON:
- Press ON/OFF button
- Heater and room fan will start after a short delay
(approximately 30 to 60 s) provided the set
temperature is greater than the room temperature
Turning your heater OFF:
- Press ON/OFF button
- The heater will turn off
- The room fan will turn off after approx’ 60 to 90 s
Increasing the set temperature:
- Press UP ARROW button - the displayed
temperature will change to set temperature and
flash
- Each press of the UP ARROW button increases
the set temperature by 1oC
Decreasing the set temperature:
- Press DOWN ARROW button - the displayed
temperature will change to set temperature and
flash
- Each press of the DOWN ARROW button
decreases the set temperature by 1oC
TURNING HEATER ON & OFF ADJUSTING TEMPERATURE
REPLACING THE BATTERIES
- When the battery symbol
appears new batteries are
required
- Un-clip the bottom of the front of
the thermostat and pull forwards
- Fit 2 x AA batteries and clip front
of thermostat back in place (note
direction of battery ‘+’ and ‘-’)
TROUBLESHOOTING GUIDE
Problem Potential cause/remedy
House is not
heating
eectively
- Check thermostat is set to required
temperature - increase if required.
- Check outlets are open to all areas that
require heating.
- Check that return grille is not obstructed.
- Check that return air lter (where tted) is
clean - cleaning every 2 weeks is
recommended.
- Check that external doors and windows
are closed.
Heater does
not start
- Check thermostat is set above room
temperature.
- Reset the heater - turn thermostat OFF
ON-OFF-ON with a 5 second wait at each
step.
- Check that gas is turned on at gas meter.
If gas is turned o contact your installer or
gas supplier.
Updated 23 February 2011
- Power source : Battery powered, 2x1.5V AA cells
- Battery life : 1 year typical
- Protection class : IP30
- Switch function/capacity : 36V AC or DC, 1.0A Maximum
- Temperature setpoint range : 5℃- +35℃
- Temperature display range : -9℃- +50℃
- Temperature control accuracy : 1℃
- Returned temperature : 2℃
- Storage temperature range : -20℃-+70℃
-Enclosure size: 100mm(L)x85mm(W)x25mm(H)
-Weight: 180g(excluding the cells)
3. Thermostat specifications
Relay
1A 36V DC/AC maximum
Thermostat
Thermostat connection point
Thermostat connection
point at Heater
4. Thermostat schematic
Gas Ducted
Heater
1. Thermostat wiring
Connection between thermostat and Braemar Gas
Ducted Heater is shown below.
CTB-20845S thermostat
The connection point
on Heater Circuit Board
The connection point
for thermostat
Note: ★ No polarity requirement for the thermostat wiring.
Wiring
Reset
PCB as below
Thermostat connection point to Heater
-0 to 36Vac 50/60Hz or DC.
-0.05 to 1.0Amps(Load per terminal)
-1.0 Amps Maximum Total(All terminals)
Manual Thermostat Installation Instructions
2. Thermostat installation
To open thermostat, press
clip at bottom of thermostat
housing
Thermostat location:
- Thermostat should be located central to the main
living area approximately 1.5m above the floor.
The main living area should be confirmed with the
occupants.
- Avoid direct sunlight.
- Avoid mounting on an external wall.
- Avoid mounting near heat sources such as stoves,
televisions, etc’
- Do not locate in air stream from an outlet register.
- Do not locate in draughty areas.
- Do not locate in hallways.
- Do not locate adjacent to the return air grille.
- Always fill cable entry hole in wall.
