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Page 13
Diagram H – Multiple Wiring with two 120 VAC Appliances
3. To vent two 120 VAC appliances using one PVU power venter refer to the following.
c. Follow the instructions for safe and proper venting previously specified in this manual. Make sure that the
combined gross BTU/Hr input and equivalent vent pipe length does not exceed the maximum venting capacity of
the venter selected.
d. A CK-61, 62, or 63 Control Kit must be added to the system to properly control the venter when common venting
an additional 120 VAC furnace or boiler. Tee the draft tube on the PVU unit to connect to the air pressure switch
on the Control Kit. Refer to Diagram H for wiring instructions.