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103
TROUBLESHOOTING
Typical refrigerant circuiting diagrams are shown in Fig. 84-93. An algorithm diagram of the IGC (Integrated Gas Unit Controller)
control is shown in Fig. 94.
LEGEND
Fig. 84 — Typical Refrigerant Circuiting (48AJ,AK,AW,AY020,025 and 48EJ,EK,EW,EY024-034)
FPS — Freeze Protection Switch
HPS — High-Pressure Switch
LPS — Low-Pressure Switch