Controller Replacement - Vector VREF12-LB-RGD Operation And Service Manual

Accessing Controls Behind Facade
The controls located behind the facade are accessed by loosening the
screws and then the front panel can swing upward . If the facade will be
completely removed, the electrical plugs should be disconnected .
Note: Be sure to reinstall the ground wire .

Controller Replacement

Required equipment:
§ Replacement Ev3294 Controller
§ Programming key (see Replacement Parts section)
§ #2 Phillips screwdriver
§ Flat blade jeweler's screwdriver
§ (6) 6" wire ties
1. Turn off power to unit and unplug .
2. Remove façade hold down screws, rotate façade, and set safety latch .
3. Disconnect (+) terminal from back up battery .
4. Carefully cut wire ties to provide slack in control wires .
5. Press the release button on controller retainer clips (one on each side) and slide back to remove .
6. Carefully pull controller through the façade far enough to remove wires .
7. Removing ONE AT A TIME, transfer wiring from the original controller to the replacement controller
ensuring each wire is secured at the same location from which it was removed .
8. Carefully reinsert controller into façade and reattach retainer clips .
9. Secure wires with wire ties .
10. Reconnect (+) terminal to back up battery .
11. Remove safety latch, rotate façade, and reinstall hold down screws .
12. Plug in unit, power on, and ensure proper operation .
14
• Controller is susceptible to electrostatic discharge. Care should be
exercised when handling and installing the controller.
CAUTION
Vector Lab Products Refrigerators and Freezers
Fig. 4