7
*Filter status switch and humidity sensor cannot function
simultaneously. Only one sensor can be wired.
Fig. 9 — Apollo Control Wiring Schematic — 50HJQ, 121/2 and 15 Ton UnitsLEGEND
C—
Contactor
CHAS — Ground
COM — Common
DX — Direct Expansion
ECON — Economizer
GND — Ground
HT — Heat
IAQ — Indoor Air Quality
NC — Normally Closed
NO — Normally Open
OAT — Outdoor-Air Thermostat
SAT — Sat urated-Air Temperature
Factory Wiring
Field Wiring