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
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