Contents
Main
L8104A,B,C,D Electronic Water Heater Controllers
Specifications
Ordering Information
368-00633
System
Fig. 2Approximate dimensions in in. (mm) of L8104A,B Electronic Control Module.
Fig. 1Approximate dimensions in in. (mm) of L8104 Remote Potentiometer and Sensing Bulb.
Electronic Ignition Module Gas Control Standing pilot VR800, VR8200, or any
Page
Installation
WARNING
CAUTION
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Fig. 5L8104A with board-mounted potentiometer in a standing pilot application.
Fig. 6L8104A with remote potentiometer in an electronic ignition application.
Fig. 7L8104B with remote potentiometer in a standing pilot application.
Fig. 8L8104B with board-mounted potentiometer in an electronic ignition application.
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L8104A,B,C,D
RED
Fig. 9L8104C with remote-mounted potentiometer in an electronic ignition application.
RED
Fig. 10L8104D with remote-mounted potentiometer in an electronic ignition application
RED
Setting and Checkout
Operation
L8104A, B, C, D
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Troubleshooting
If water temperature is too hot, proceed as follows:
L8104A, B
If water temperature is too cold or heater does not come on, proceed as follows:
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L8104C, D
