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MD2 Wired Thermostat

 

MD2 Wifi enabled 
wired thermostat 

The  Herschel  iQ  MD2  is  a  16  amp  thermostat  enabling 

up  to  3.6  kW  of  Herschel  Heaters  to  be  connected 

through  a  single,  easy  to  use  control.    MD2  is  wired 

directly to the mains circuit powering the heaters. Built-in 

wifi  enables  control  via  the  internet  using  the  SmartLife 

App. 

MD2 is easy to operate and 

incorporates Herschel’s open 

window    technology  to  save  energy.    MD2  has  a 

keypad  locking  feature  to  prevent  unauthorised 

tampering with the settings and it can be programmed to 

control  zones  up  to  45°C,  making  it  suitable  for 

commercial  use  and  for  specialist  high  temperature 

applications such as hot yoga studios.   

MD2  features  Manual,  Eco  and  7  day  programming 

modes with 4 periods per day. The MD2 will operate your 

Herschel  heater(s)  by  turning  them  ON  if  the  room 

temperature  is  lower  than  the  desired  temperature  and 

will  turn  them  OFF  once  the  desired  temperature  is 

reached or exceeded. 

Please  read  these  instructions  carefully.  MD2  operates 

stand-alone,  but  can  be  paired  to  the  SmartLife  App  if 

internet operation is required.   

 

Key features 

• Mains operated 

• Easy to use large LCD display 

• Wall installation   

• 7 x 1 day programmable, 4 periods per day 

• Manual, Eco and 7 Day Programme modes   

• Open window function 

• 5°C - 45°C    operation   

• Keypad Lock 

• Wireless 2.4GHz wifi 

• CE, Rohs, RED approved 

• 24 month warranty 

The  MD2  will  require  a  single  gang  46mm  deep 

pattress box for recessing into  a wall,  with access 

to the mains circuit powering the heaters. Position 

far enough away from the Herschel infrared heaters 

to allow it to sense an average room temperature. 

 

Summary of Contents for IQ MD2

Page 1: ...day programming modes with 4 periods per day The MD2 will operate your Herschel heater s by turning them ON if the room temperature is lower than the desired temperature and will turn them OFF once th...

Page 2: ...from the App Store or Google Play Alternatively search Smart Life on Google Play or the App Store look for this icon Operation using the SmartLife App The MD2 can be used stand alone or with the Smart...

Page 3: ...king shows a solid connection Please note it may take up to a minute for the Controller to stop flashing after it appears to have paired successfully in the Smartflife App Tap the Thermostat in the ap...

Page 4: ...pply to save energy e g on holiday or as a frost protection setting This setting can also be manually overridden Program mode is displayed as the number denotes which period of the day is active Any m...

Page 5: ...and daytime temperatures of 16 C and above Always try to program the schedule so a room is at the temperature you want by the time you want For example if you want it to be 21 C by 0700 am consider s...

Page 6: ...ess for 5 seconds to unlock the keypad for a temporary adjustment The keypad will lock again once the backlight on the display switches off Window Open Detect When temperatures are above 14 C if the s...

Page 7: ...5 C 03 Min Temp setpoint 5 C 45 C 5 C 04 Sensor select 0 Room only 1 External only 2 Room External 0 Room only 05 Frost Protection Temp 5 C 15 C 5 C 06 Temp Calibration for external sensor 8 C 8 C 0 C...

Page 8: ...nsure power supply to the MD2 is turned OFF before wiring or unwiring the MD2 Maximum load is 16A 3 6kw at 230v The MD2 can be used to control several Herschel heaters but the maximum wattage of 3 6kw...

Page 9: ...0 5 step control by 0 5 Protection Class IP30 Housing ABS to UL94 5 fire retardant plastic Certifications EN60950 Information Equipment Safety EMC ETSI EN301 489 Radio ETSI EN300220 EMC EN61000 6 3 20...

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