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 Units
LEGEND
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