Lennox XP21 Series User Manual

Page 5
XP17
Typical Unit Parts Arrangement
VAPOR VALVE
AND GAUGE
PORT
DISCHARGE
LINE
REVERSING
VALVE
LIQUID LINE
BI-FLOW FILTER
DRIER
HIGH PRESSURE SWITCH
(S4)
LIQUID VALVE AND
GAUGE PORT
TRUE SUCTION
LINE PORT
MUFFLER
LOW PRESSURE
SWITCH (S87)
CRANKCASE HEATER THERMOSTAT
(S40)
CHECK EXPANSION
VALVE
TRUE
SUCTION
LINE
HR1 CRANKCASE
HEATER
REVERSING
VALVE
SOLENOID (L1)
COMPRESSOR
GROUND LUG
HIGH VOLTAGE FIELD
CONNECTIONS
CONTACTOR-1POLE (K1-1)
HEAT PUMP
CONTROL (A175)
CAPACITOR (C12)
FAN MOTOR CONTROL (A177)
SLEEVE
WIRE TIE
OUTDOOR AMBIENT
TEMPERATURE
SENSOR (RT13)
CONTROL BOX
SECOND GROUND LUG FOR SOURCESOURCE
RT21 — MODELS
-024, - 030, -036
AND -042 (12
TUBES UP)
24 TUBES UP
MODELS -048
AND -060
EXTERNAL SURGE
PROTECTION USED ON
XP17-XXX-230-01 AND -02
ONLY). LATER VERSIONS
INCORPORATE FEATURE
INTO FAN MOTOR.
Figure 1. Typical Parts Arrangement

Lennox XP21 Series Specifications

General

Brand	Lennox
Model	XP21 Series
Category	Heat Pump
Language	English