Description

Davies Craig Premium Thermatic Switch

The Premium Digital Thermatic® Switch automatically activates single or twin fans or a fan and Electric Water Pump at your set / targeted temperature when extra cooling is required. Attractive compact dashboard, driving compartment mounting LED display module, this state-of-the-art switch can also operate your air conditioning fan. It can be used for 12 or 24 volt applications (24V Relay Required) and has an adjustable temperature range of 40ºC to 110ºC (104ºF to 230ºF) which can show Centigrade or Fahrenheit. The temperature sensor probe can be conveniently locked into the radiator fins or placed into the top radiator hose (With Part #0409) for accurate coolant temperature readings

 

 

12 & 24 Volt applications.

*Note: Kit sold in 12 volt configuration, for 24 volt application, you will need to change the two relays with 24 volt units which are not supplied in the kit.

The Premium Switch offers all the attractive features the value-packed #0444 offers plus more including;

• Bright, attractive compact LED digital display monitor mounted in the driver’s compartment!
• Dual fan relay activation with clear LED indicator for each fan.
• Variable push-button temperature setting 40°c to 110°c (104°f to 230°f)
• Push-button air conditioning override indicator
• Separate wiring looms provided/plug & play unit with built-in relays
• Temperature Sensor fault display
• Three-metre thermal sensor probe lead

The Premium Thermatic Fan Switch – is equipped with the proven stainless steel temperature sensor probe which can be conveniently locked into the radiator fins close to the hot coolant inlet or placed into the top radiator hose for accurate coolant temperature readings.

(Note: Part#0409, Temp Sensor Adaptor Kit – not supplied).

 

The Premium Thermatic Fan Switch – Part #0455 can be mounted inside the vehicle’s driving compartment for easy reading and quick adjustment.

• Convenient push-button control allows you to accurately set/target temperature for automatic activation of the Thermatic® Fan #1 and a 10-second delay to activate Fan #2 when extra cooling is required.

• Simple, do-it-yourself installation instructions.

• This flexible switch can be utilised to activate an Electric Water Pump and/or an Electric Booster Pump.
• This new Premium Thermatic® Switch complements the highly successful #0444 Thermatic® Switch the #0401 and #0404 Switches.

 

Specifications ~ Thermatic Switches #0444 & #0455

Specs	Part #0444	Part #0455
Maximum voltage	10V to 16V or 21V to 27V (2 x Relays must be changed to 24V)	10V to 16V or 21V to 27V (2 x Relays must be changed to 24V)
Maximum Current	Rated to 30 amps per Fan (Maximum 40amp per Fan) Unit comes with 2 x 30 amp fuses and 2 x 40 amp relays	Rated to 30 amps per Fan (Maximum 40amp per Fan) Unit comes with 2 x 30 amp fuses and 2 x 40 amp relays
Relay setup	Dual relay	Dual relay
Speed	Single speed, 10 sec. delay to start up the second fan	Single speed, 10 sec. delay to start up the second fan
Applications	Recommended for all DCPL fans incl. 2×14”HP or 2×16”Fans	Recommended for all DCPL fans incl. 2×14”HP or 2×16”Fans
Temperature Display	LED digital temp display – actual temp set temp	LED digital temp display – actual temp set temp
°C °F Setting	LED Display °C or °F	LED Display °C or °F
°C to °F change	Press & hold set button 5 seconds	Separate °C to °F change button
Temperature settings	40°C to 110°C 104°F to 230°F	40°C to 110°C 104°F to 230°F
Temperature setting method	Push Button	Push Button
Temperature reduction range	-5°C from set/target	-5°C from set/target
Temperature detection	Air or coolant (For coolant temp, must use part #0409 Sensor Adaptor Kit– not supplied)	Air or coolant (For coolant temp, must use part #0409 Sensor Adaptor Kit – not supplied)
Accuracy	99.9%	99.9%
Circuit type	Pre-programmed micro controller	Pre-programmed micro controller
Output wires	Battery Battery – IGN, A/C Clutch Fan #1, Fan #2 Thermal Probe	Battery Battery – IGN, A/C Clutch Fan #1, Fan #2 Thermal Probe
Unit mount location	Engine Bay	Driver’s  compartment/dashboard
Probe lead length	900mm	2000mm
Fan operation indicator	N/A	Twin fan operation will illuminate via Fan #1, Fan #2 LEDS
A/C Override indicator	N/A	Indicated via Air Con LED
Temp set mode indicator	N/A	Indicated via temp set mode LED
Design	Relays & wiring built into the unit	Separate wiring looms provided/ plug & play unit relays built into the wiring loom
Faults Display	N/A	Temp sensor – Open circuit/short circuit display, Err #1; Err #2
Dimensions	95 x 65 x 56 mm	80 x 70 x 27 mm