5. Reconnect the interconnect cable to the display front.
6. Replace the cover by locating the two tabs at the top of the unit and lever the touch screen on
as shown (figure 3). As you close the unit ensure the two plastic tabs at the bottom clip into
place.
Note: Do not use excessive force to fit the cover.
HOW TO CONNECT UP A WEISS ER12C-3 DIGITAL CONTROLLER
1. The active line in is connected to terminal 7 at the rear of the control unit.
2. The active lines out to the fan unit are terminals 2,3,4 at the rear of the control unit.
3. Neutral connections are common to terminal 1 at the rear of the control unit.
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).
FINAL STEPS
Finally, connect the wiring as illustrated in the wiring diagram above.
Note: Approximate means of disconnection are required to be incorporated in the fixed wiring. This product
must be installed by 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.
Setting Heat Transfer Speed
Adjust the set speed with the Fan Speed Adjust button. The speed will cycle through the following
options:
High speed - Fan will operate at high speed only. High speed is activated when the room temperature exceeds the set
temperature.
Medium - Fan will operate at medium speed only.
Low - Fan will operate at low speed only.
Auto - Controller selects Low, Medium or High speed depending on the difference between the room temperature
and your set temperature.
ADVANCED CONTROLLER FUNCTIONS
Locking the controller
To lock/unlock the controller press and hold the Adjust Up and Down buttons together.
The lock symbol appears in the middle-left of the display when locked
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
• Press the Power Off button to return to the home screen