INSTALLATION : GARN® WHS/ETS DIGITAL CONTROLLER
IDENTIFYING YOUR BOARD REVISION
The board revision determines the location of the wiring terminals for the unit’s sensor and how the board interfaces with the electric heating package (optional). The identification for your board is located in one of two spots. The board number begins with “UPC7115” followed by the letters A, C, or D. The letter indicates the revision of the board.
Revision UPC7115 A has the label located here:
Revision UPC7115 C and UPC7115 D has the label located here:
IDENTIFYING YOUR CHIP REVISION
The digital controller has the feature of being upgradeable. The latest version of the chip is supplied with the purchase of the electric heating package or can be purchased separately. To identify the version of chip that is installed in your board, read the label adhered to the chip:
GARN WHS 1000 and WHS 2000 Manual © HY-C Company LLC - September 2024
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