Refrigerant; Coil; Water Flow; Control Valve - Lennox SW 036 Installation Instructions Manual

TO INDOOR

COIL

FROM INDOOR
COIL
REVERSING
VALVE
COMPRESSOR
*10-ton units only: one in each unit; other
components are one in each circuit.
TO INDOOR
COIL
FROM INDOOR
COIL
REVERSING
VALVE
COMPRESSOR
*One in each unit; other compo­
nents are one in each circuit.
REFRIGERANT ROUTING - COOLING OPERATION
3, 5, AND 10 TON UNITS
FILTER / DRIER
CHARGE
WATER TO
COMPENSATOR
REFRIGERANT COIL*

REFRIGERANT

WATER
REFRIGERANT ROUTING - COOLING OPERATION
FILTER / DRIER
CHARGE
WATER TO
COMPENSATOR
REFRIGERANT COIL*
REFRIGERANT
WATER

WATER FLOW

CONTROL VALVE

EXPANSION
VALVE
WATER TO
REFRIGERANT COIL
CROSS SECTION
FIGURE 26
20 TON UNITS
WATER FLOW
CONTROL VALVE
EXPANSION
VALVE
WATER TO
REFRIGERANT COIL
CROSS SECTION
FIGURE 27
Page 25
AUTOMATIC
FLOW
(ON/OFF) REGULATOR
THREE-WAY
VALVES*
STRAINER*
WATER
WATER
REFRIGERANT
AUTOMATIC
FLOW
(ON/OFF) REGULATOR
THREE-WAY
VALVES*
STRAINER*
WATER
WATER
REFRIGERANT
BYPASS
CIRCUIT
WATER
OUT
IN
WATER
OUT
BYPASS
CIRCUIT
IN