Carrier 6, Fig. 7 Factory-Supplied Wiring to Rooftop Unit and Apollo Control

6
Fig. 7 — Factory-Supplied Wiring to Rooftop Unit and Apollo Control
LEGEND
COM — Communication
ECONO — Economizer
NC — Normally Closed
*Filter status switch and humidity sensor cannot function
simultaneously. Only one sensor can be wired.
Fig. 8 — Apollo Control Wiring Schematic — 48/50HJ, 3 to 20 Ton Units;
48/50TF,TM, 3 to 12-1/2 Ton Units; 48/50TJ,TM, 15 to 25 Ton Units; 50HJQ/TFQ, 3 to 10 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 — Saturated-Air Temperature
Factory Wiring
Field Wiring