Page 13
B − Plumbing
See figure 15 for unit refrigerant components. Field refrigerant
piping consists of liquid and vapor lines from the outdoor unit
(sweat connections). Use Lennox L10 (flare) or L15 (sweat,
non−flare) series line sets as shown in table 9 or use
field−fabricated refrigerant lines.
TABLE 9
Outdoor
Unit
Line Set
Model No.
Length of
Lines
Liquid Line
Outside Dia.
Vapor Line
Outside Dia.
Unit
Model No.
Model No.
(L10 or L15)
ft.
m
in.
mm
in.
mm
HP29-211
L10/15-21-20
20
6
HP29-211
HP29-261 L10/15-21-25
25
8
5/16
7 9
5/8
15 9
HP29-261
HP29−018
HP29 024
L10/15-21-35
35
11
5/16
7.9
5/8
15.9
HP29−024
L10/15-21-50
50
15
L15-31-20
20
6
HP29-311
L15-31-30
30
9
5/16
7 9
3/4
19
HP29-311
HP29−030
L15-31-40
40
12
5/16
7.9
3/4
19
L15-31-50
50
15
L10/15-41-20
20
6
HP29-410 L10/15-41-30
30
9
3/8
9 5
3/4
19
HP29-410
HP29−036 L10/15-41-40
40
12
3/8
9.5
3/4
19
L10/15-41-50
50
15
HP29-460
HP29 510
L10/15-65-30
30
9
HP29-510
HP29−042
L10/15-65-40
40
12
3/8
9.5
7/8
22.2
HP29−042
HP29−048 L10/15-65-50
50
15
HP29-650
HP29−060
*Field fabricated
3/8
9.5
1-1/8
28.5
*Field fabricate.
VAPOR LINE
SERVICE
VALVE
MUFFLER
DISTRIBUTOR
FILTER/DRIER
REVERSING
VALVE
CHECK/EXPANSION
VALVE
FIGURE 15
HP29 REFRIGERATION COMPONENTS
LIQUID LINE
SERVICE VALVE
DISCHARGE
LINE
PRESSURE TAP
FITTING
DEFROST
THERMOSTAT
PROCESS
COUPLING
SUCTION LINE
DISCHARGE
LINE
SUCTION LINE
