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Install or replace the battery for transmitter: 

Caution: Turn off the electrical devices and disconnect   
the  supply  to  the  appliances  before  replacing  the 
batteries.  Replace  only  with  the  same  or  equivalent 
type  of  batteries.  Do  not  dispose  the  used  batteries 
with household waste. Refer to your local area for the 
proper disposal. 

             

Figure1 

 

 

1. Pull out the battery drawer 
2. Place the new batteries according to the marking on 

the battery drawer. 

3. Dispose the old batteries properly.

 

 

4. Slide the battery drawer back to its position. 
5. Check if the thermostat works properly or not. Press 

 

   

 

Normal

 Temporary Override 

 Permanent

       

Override

 Normal

… 

 

Selecting the Temporary/ Permanent Override Mode

 

1. Press 

<

>

 to change the mode from normal to 

Temporary Override. 

  icon will be displayed. 

2. Press 

<

again, the mode changes from Temporary 

Override to Permanent Override mode. 

  icon will be 

displayed. 

3. Press 

<

once, the mode changes from Permanent 

Override to normal mode. 

 

Review and adjust the Override temperature: 

1. Press 

< >, < >

 the Override temperature is shown. 

2.  Hold the

< >, < >

 for 2 seconds, the Override 

temperature will flash. 

3. Press 

< >, < >

 to adjust the Override temperature. 

4. Press 

<

>

 to exit the Override temperature setting. 

Or transmitter will auto-return to normal mode after 10 
seconds.

 

 

 

       

 

10 

Summary of Contents for DRF4

Page 1: ...CORONDO CONTROLS LTD BOLTON BL1 2PT www coronadocontrols com CELECT DRF4 RF Programmable Thermostat for Weekday Weekend Setting Instruction Manual ...

Page 2: ...Time Mode 5 D Normal Time Setting Mode 6 E Factory Defined Programs 7 F Set Program 8 G Temporary Permanent Override Mode 9 H Control Off Sleep Mode 11 I Jumper Selection 12 J Address Setting 13 K Specification 13 1 10 Storage temperature 10 60 C 11 Sensing Element NTC thermistor Terminal block connecting Label 14 ...

Page 3: ...50 C 13 DRF4 RF Programmable Thermostat 1 The system includes one wireless thermostat controller plus one RF receiver 2 Transmits up to 20 meter indoor 3 Communicates at 868MHz Europe Standard and designed for unlicensed operation under FCC Part 15 Warning 1 If there is a dead zone in the RF communication That means the receiver may not be able to receive the message from the transmitter Before th...

Page 4: ...perature with freely circulating air Prevent direct exposure to sunlight dripping or splashing area Do not place this unit at a location where air circulation is low or where it has great temperature changes e g near door 3 irrespective of the current setting temperature Control Off mode The LCD is fully turned off The heater cooler is switched off irrespective of the current control temperature s...

Page 5: ...mal mode Sleep Mode At sleep mode icon is displayed Transmitter stops measuring and displaying the temperature Only the 11 Do not place the thermostat near heat cool generating sources 2 Wiring Caution Turn off the electrical devices and receiver before wiring There is 4 wire cable provided Color Connection Brown 240Vac Live Blue 240Vac Neutral Black 240Vac Live Grey Device s power input It is rec...

Page 6: ...n 5 Check if the thermostat works properly or not Press 5 Normal Temporary Override Permanent Override Normal Selecting the Temporary Permanent Override Mode 1 Press to change the mode from normal to Temporary Override icon will be displayed 2 Press again the mode changes from Temporary Override to Permanent Override mode icon will be displayed 3 Press once the mode changes from Permanent Override...

Page 7: ...verride and Permanent override mode The sequence is as below 9 Reset if necessary B Start Reset 1 After wiring and mounting switch off all the connected devices Place 2 new AAA 1 5V alkaline batteries according to the polarities marked LCD display will be switched on 2 Press RST to reset The DRF4 will be ready to control the heater cooler 3 Switch ON the heater cooler and receiver The heater coole...

Page 8: ...ooler turns on according to the activated program and the control temperature setting When the heater cooler is On Program number and 7 icons are shown The pre defined programs are as below Heater mode Mon Fri Sat Sun P1 06 00 21 C 08 00 21 C 08 00 21 C P2 08 00 16 C 10 00 16 C 10 00 16 C P3 12 00 21 C 12 00 21 C 12 00 21 C P4 15 00 16 C 15 00 16 C 15 00 16 C P5 18 00 21 C 18 00 21 C 18 00 21 C P6...

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