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81.3

27.3

 

121.5

Dimensions in mm

Dimensions in mm

105

19

Mounting hole spacings

COMMUNICATION ERROR

Errors  can  occur  if  for  any  reason  the 
communication between the two devices is 
disrupted. The screen of the thermostat will 
show  the  message          (Communication 
Error), the backlight of the screen will blink.
The  interruption  of  the  mains  voltage 
causes  the  interruption  of  communication 
between the two devices. When the voltage 
is restored, the peripheral  device-receiver 
activates the outputs according to the state  
before  the  interruption,  until  the 
communication  is  automatically  restored 
with  the  thermostat  (maximum  delay  of  6 
minutes),  so  the  outputs  will  change 
according to the new commands that will be 
given. 

Page 9 from 11

940821001_09_001

80mm

120mm

120mm

34mm

105

19

Mounting hole spacings

Summary of Contents for BS-821/KIT

Page 1: ...819 T BATTERYOPERATEDWIRELESSPROGRAMMABLECHRONO THERMOSTAT WITHCOOLINGANDHEATINGFUNCTION BOILEROUTPUT BATTERYOPERATEDWIRELESSPROGRAMMABLECHRONO THERMOSTAT WITHCOOLINGANDHEATINGFUNCTION BOILEROUTPUT Th...

Page 2: ...ily programming example page 7 Weekly programming example page 8 Wireless communication settings page 8 communication errors page 9 Hour and message display Temperature and message display Temperature...

Page 3: ...e pressed simultaneously for 3 first the key and then the the screen will show the message and the keypad is locked Page 3 from 11 GENERAL When the plastic battery separator is remove the unit is auto...

Page 4: ...since the end time is the start time of the next program For example if we require a temperature of 23 0 C from 14 00 to18 00 in program 1 we will set the start time 14 00 at 23 0 C and the start time...

Page 5: ...his setting we can turn off the screen illumination in order to conserve battery energy If is selected then the screen illumination will be activated every time a key is pressed If is selected then th...

Page 6: ...erate The battery life time has been design to be approximately 2 years Factors that influence the battery life are prolong use of the keyboard with the backlight active increased temperature and humi...

Page 7: ...e blinking 4 Press the key and the starts to blink With the keys and we select the operation mode Day daily program 5 Press the key and we return to the previous screen with the blinking 6 Press the k...

Page 8: ...the key The weekly program will start to execute as defined In order for the program to execute correctly make sure you have programmed the device clock with the correct time WIRELESS CONNECTION SETTI...

Page 9: ...blink The interruption of the mains voltage causes the interruption of communication between the two devices When the voltage is restored the peripheral device receiver activates the outputs according...

Page 10: ...sure and the device is ready to operate Fig 4 POWER STATUS indicator N L 230V Boiler indicator Programming button 1 Boiler BS 821 R Burner Fig 5 A B Burner indicator To install the BS 821 R remove the...

Page 11: ...returned goods and to or not charge the buyer depending on the reason of defection Olympia Electronics reserves the right to charge or not the buyer the transportation cost HEAD OFFICE 72nd km O N R T...

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