GM Energy V2H Bundle Installation Manual 88
Partial Home Backup with Existing Solar at the Main Service Panel (or non-backup panel) – Meter 1 on MID
Output
For this setup, CT1 is placed on the MID output and CT2 is placed at the existing solar. The existing solar will stay on the non-
backup load part of the system. The installer will need to calculate an export limit by utilizing the busbar capacity, main breaker
rating, and existing AC solar rating.
Perform the following calculation for this input:
1.2 x Busbar Capacity – Main Breaker Rating – AC Solar Rating
(Default can be set to 0 A for V2H Installs)
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