Carrier SINGLE PACKAGE ROOFTOP UNITS ELECTRIC COOLING/GAS HEATING EY024-048 - Manual (Page 56)

TROUBLESHOOTING
Typical refrigerant circuiting diagrams are shown in Fig. 61-63. An algorithm diagram of the IGC (Integrated Gas Unit Con-
troller) control is shown in Fig. 64.
LEGEND
FPS — Freeze Protection Switch
HPS — High-Pressure Switch
LPS — Low-Pressure Switch
Fig. 61 — Typical Refrigerant Circuiting (48EJ,EK,EW,EY024-034)
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