Typical Unit Parts Arrangement; Model Number Identification - Lennox T?CLASS TPA024S4 Unit Information

Typical Unit Parts Arrangement4

NOTE: PLUMBING LAYOUT MAY VARY SLIGHTLY BETWEEN MODEL SIZES.
COMPRESSOR
DEFROST
THERMOSTAT
CHECK EXPANSION
VALVE
EQUALIZER LINE
BI−FLOW FILTER DRIER
TRUE SUCTION PORT
HIGH PRESSURE SWITCH (S4)
LIQUID LINE SERVICE VALVE

Model Number Identification5

T = T−Classt Product Line
P = Split−System Heat Pump
HARNESS
T P A
Brand/Family
Unit Type
Major Design Sequence
A = 1st Generation
B = 2nd Generation
024 = 2 Ton
030 = 2.5 Tons
0036 = 3 Tons
048 = 4 Tons
060 = 5Tons
Cooling Efficiency
S = Standard Efficiency
DISCHARGE LINE
036 S 4 N 4 1 M
Part Load Capability
N = No part load, single stage compressor
Refrigerant Type
4 = R−410A
Page 5
COMPRESS0R
MUFFLER
LOW PRESSURE SWITCH
REVERSING VALVE
REVERSING VALVE SOLENOID
VAPOR LINE SERVICE VALVE
Voltage
M = 380/420V−3 phase 50hz
T = 220/240V−1 phase 50hz
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
3 = 3rd Revision
Coil Type
4 = Four−sided