A28G wiring example - PENN Controls - LIT-125125 - A28G - Electromechanical Temperature Control - A28 and A36 Multi-Stage Temperature Control

A28G Series Two-Stage Temperature Controls Without Enclosure Product Bulletin
Product
Document type
Product Bulletin
Document number
LIT-125125
Revision date
2024-09-18
Figure 1. Wiring for a refrigeration compressor with single stage unloader

You can sequence two compressor packages with the same circuit.