Technical Guide

Johnson Controls Unitary Products 11
923178-UTG-B-0114
REFRIGERANT SYSTEM DIAGRAM
See Page 12 for notes.
See Page 12 for notes.
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
Accumlator
Discharge
Suction
Muffler
Capillary Strainer
09K/12K/18K Cooling Only Models
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
HEATING
Accumlator
Discharge
Suction
Muffler
4-Way valve
CapillaryStrainer Strainer
09K/12K/18K Heat Pumps