Carrier aquazone 50RTG Installation, Start-Up And Service Instructions Manual page 23

AIR
COIL
°F
THERMISTOR
CONDENSATE
OVERFLOW
(CO)
AIR COIL
FREEZE
PROTECTION
LEGEND
COAX — Coaxial Heat Exchanger
Airflow
Refrigerant Liquid Line Flow
°F
EXPANSION
VALVE
FP2
FP1
LIQUID
LINE
WATER IN
WATER
COIL
PROTECTION
Fig. 11 — FP1 and FP2 Thermistor Location
COAX
WATER OUT
23
SUCTION
COMPRESSOR
DISCHARGE