Lennox CHA16 - CHA16-1853 PLUMBING COMPONENTS EVAPORATOR SECTION (Figure 20); CHA16-2553, -2753, -3003 PLUMBING COMPONENTS EVAPORATOR SECTION (Figure 21)

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CHA16-1853 PLUMBING COMPONENTS
EVAPORATOR SECTION
FIGURE 20
LIQUID LINE
LIQUID LINE
1
2
3
1st STAGE
COMP. 1
EVAPORATOR COIL
1st STAGE
COMP. 2
EVAPORATOR COIL
2nd STAGE
COMP. 3
EVAPORATOR COIL
2nd STAGE EXPANSION VALVE
1ST STAGE PUMP 2
EXPANSION VALVE
FREEZESTAT
S53
FREEZESTAT
S50
FREEZESTAT
S49
1ST STAGE PUMP 1
EXPANSION VALVE
SUCTION LINE
FIGURE 21
CHA162553, 2753, 3003 PLUMBING COMPONENTS
EVAPORATOR SECTION
2
1
1st STAGE SUCTION
RETURN TO COMPRESSOR
1st STAGE
COMP. 1
EVAPORATOR COIL
2nd STAGE
COMP. 2
EVAPORATOR COIL
DUAL 1st STAGE
EXPANSION VALVES
DUAL 2nd STAGE
EXPANSION VALVES
2nd STAGE LIQUID
LINE FROM OUTDOOR COIL
1st STAGE LIQUID
LINE FROM OUTDOOR COIL
SENSING BULBS
EQUALIZER LINES
2nd STAGE SUCTION
RETURN TO COMPRESSOR