Lennox CHA16, Service Manual

Page: 21 / 86

Page 21
SUCTION LINE
EVAPORATOR COIL
DISCHARGE LINE
FIGURE 16
SUCTION LINE
GAUGE PORT
1
LEFT CONDENSER COIL
(COMPRESSORS 2 AND 3)
HIGH PRESSURE
SWITCH S4
HIGH
PRESSURE
SWITCH S7
HIGH PRESSURE
SWITCH S28
LOSS OF CHARGE
SWITCH S25
LOSS OF CHARGE
SWITCH S34
DISCHARGE
LINE
DISCHARGE
GAUGE PORT
LOSS OF CHARGE
SWITCH S24
DISCHARGE
GAUGE PORT
*
LEFT BRANCH TO
LEFT CONDENSER
RIGHT BRANCH TO
RIGHT CONDENSER
TEE (FEEDS
RIGHT CONDENSER)
TEE
*
SUCTION LINE
GAUGE PORT
TEE (FEEDS
LEFT CONDENSER)
2
3
CHA16-1853 PLUMBING COMPONENTS CONDENSING SECTION - VAPOR LINES
THERMOMETER WELL
AND GAUGE PORT PUMP 1
CHA16-1853 PLUMBING COMPONENTS
CONDENSING SECTION - LIQUID LINES
COMPRESSOR
TERMINAL BOX
EVAPORATOR COIL
FIGURE 17
RIGHT CONDENSER COIL
(COMPRESSORS 1 AND 3)
FILTER/DRIER
TEE
LEFT CONDENSER COIL
(COMPRESSORS 2 AND 3)
THERMOMETER WELL
AND GAUGE PORT
PUMP 3
FILTER/DRIER
THERMOMETER WELL
AND GAUGE PORT
PUMP 2
FILTER/DRIER