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© COPYRIGHT Weiss Ltd 2020.  All rights reserved 

Weiss Limited reserves the right to alter designs and specifications 

without notice and without obligation 

ER12D-1 

Revision 01.0 170620 

 

6.

 

Replace the cover by placing over the metal clips located on the base and slide in a downward 
direction. 

Note: Do not use excessive force to fit the cover.

   

 
 
 
 
 
 
 
 

HOW TO CONNECT UP A WEISS ER12D-1 DIGITAL CONTROLLER 

1.

 

The LIVE line 

in

 is connected to 

terminal 1

 

(L)

 at the rear of the control unit. 

2.

 

Neutral

 connections are common to 

terminal 2 (N)

3.

 

The LIVE line 

out

 to the 

fan

 unit is  

terminal 3 (HI)

4.

 

The controller is then set to the temperature that is required to be maintained in the room with the 
main heat source (the room with the controller) using the up and down arrows to modify the smaller 
number (top right of display). 
 

Note:

  Approximate means of disconnection are required to be incorporated in the fixed wiring. This product 

must be installed 

by a registered Electrician

 

Display information 

Power OFF    System is Off. The fan will be switched off and the controller switches to standby mode. 

Set  Minimum  Room  Temperature 

  The  controller  adjusts  the  heat  transfer  rate  according  to  the  set 

temperature. Adjust the set temperature using the Adjust Up   and Down    buttons. 

Mode    

As a Heat Transfer specific 

controller, this controller is locked into Heat Transfer mode 

and cannot be switched to an alternative mode. 
 

The advanced settings below are for reference only, and are ordinarily not required as the unit is factory 
pre-set for heat transfer. 
 
ADVANCED CONTROLLER FUNCTIONS (NOT NORMALLY USED) 
 
Entering Advanced set-up 

 

Turn off your controller with the Power Off   button. 

 

Press and hold the Fan Indicator 

 button for 5 seconds. 

 

Switch between set-up screens using the Fan indicator 

  button 

 

Adjust using the Up

       

and Down     buttons 

 

Press the Power Off    button to return to the home screen 

 

The controller will turn off after 5 seconds of no activity in programming mode 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Advanced set-up screens 

1.

 

A1 - Temperature calibration: adjust with the Adjust Up and Down buttons 

2.

 

A2 - Lock the controller 

 

Set “0” Half lock, “1” Full lock & “2” Cancel (after 10min

 &    will display) 

3.

 

To unlock the controller press and hold the Down    button for 5 seconds. 

4.

 

A3 - Minimum operating temperature (1-25°C): default value 5°C 

 

5.

 

A4 - Maximum operating temperature (30-70

): default value 35°C 

6.

 

AB - Return to Factory Default Setting 

 (Display A o, Long Press Fan Key to Return to Factory Default 

Setting) 
 

Summary of Contents for ER12D-1

Page 1: ...ngle Speed Heat Transfer HEAT TRANSFER CONTROLLER FOR USE WITH SINGLE SPEED FAN Increase key adjust temperature and value Setting key Decrease key adjust temperature and value Turn ON OFF For your safety please follow the installation and operating instructions ...

Page 2: ...s not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance To avoid a hazard a damaged supply cord must be r...

Page 3: ...ontroller adjusts the heat transfer rate according to the set temperature Adjust the set temperature using the Adjust Up and Down buttons Mode As a Heat Transfer specific controller this controller is locked into Heat Transfer mode and cannot be switched to an alternative mode The advanced settings below are for reference only and are ordinarily not required as the unit is factory pre set for heat ...

Page 4: ... in the room temperature from your heat source e g 2 4 metres away from the heat source Do not place the controller in the hallway or near the doorway around a corner from the heat source or far away 6 metres from the heat source in a large room How far away from the heat source should I place the fan You should keep at least 1 5 metres of distance between the heat source extraction point and the ...

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