Lennox Dave Lennox Signature Collection XC15 User Manual

Page 9
XC15 SERIES
Table 2. Refrigerant Line Set
Model
Field
Connections
Recommended Line Set
Liquid
Line
Vapor
Line
Liquid
Line
Vapor
Line
L15
Line Sets
−024
3/8 in.
(10 mm)
3/4 in.
(19 mm)
3/8 in
(10 mm)
3/4 in.
(19 mm)
L15−41
15 − 50 ft.
(5 − 15 m)
−030
−036
−042
3/8 in.
(10 mm)
7/8 in
(22 mm)
3/8 in.
(10 mm)
7/8in
(22 mm)
L15−65
15 − 50 ft.
(5 − 15m)
−048
−060
3/8 in.
(10 mm)
1−1/8 in.
(29 mm)
3/8 in.
(10 mm)
1−1/8 in.
(29 mm)
Field
Fabricated
If the XC15 is being used with either a new or existing
indoor coil which is equipped with a liquid line which served
as a metering device (RFCI), the liquid line must be
replaced prior to the installation of the XC15 unit. Typically
a liquid line used to meter flow is 1/4" in diameter and
copper.
INSTALLING LINE SET
Line Set IsolationThis reference illustrates
procedures, which ensure proper refrigerant line set
isolation:
S Installation of line set on horizontal runs is
illustrated in figure 16.
S Installation of a transition from horizontal to
vertical is illustrated in figure 17.
S Installation of line set on vertical runs is illustrated in
figure 18.
METAL
SLEEVE
STRAPPING MATERIAL
(AROUND SUCTION
LINE ONLY)
TAPE OR
WIRE TIE
WIRE TIE
(AROUND
SUCTION LINE
ONLY)
FLOOR JOIST OR
ROOF RAFTER
TAPE OR
WIRE TIE
TO HANG LINE SET FROM JOIST OR
RAFTER, USE EITHER METAL STRAPPING
MATERIAL OR ANCHORED HEAVY NYLON
WIRE TIES.
8 FEET
8 FEET
STRAP THE SUCTION LINE TO
THE JOIST OR RAFTER AT 8 FEET
INTERVALS THEN STRAP THE
LIQUID LINE TO THE SUCTION
LINE.
FLOOR JOIST OR
ROOF RAFTER
Figure 16. Refrigerant Line Set: Installing
Horizontal Runs
ANCHORED HEAVY NYLON
WIRE TIE OR AUTOMOTIVE
MUFFLER-TYPE HANGER
STRAP LIQUID LINE
TO SUCTION LINE
WALL
STUD
LIQUID LINE
METAL SLEEVE
SUCTION LINE − WRAPPED
IN ARMAFLEX
AUTOMOTIVE
MUFFLER-TYPE HANGER
Figure 17. Refrigerant Line Set: Transition
from Vertical to Horizontal
NOTE − SIMILAR INSTALLATION
PRACTICES SHOULD BE USED
IF LINE SET IS TO BE INSTALLED
ON EXTERIOR OF OUTSIDE
WALL.
PVC PIPE FIBERGLASS INSULATION
CAULK
OUTSIDE
WALL
SUCTION LINE WRAPPED WITH
ARMAFLEX
LIQUID LINE
IMPORTANT! REFRIGERANT
LINES MUST NOT CONTACT
STRUCTURE.
OUTSIDE WALL
LIQUID
LINE
SUCTION LINE
IMPORTANT - REFRIGERANT LINES MUST NOT CONTACT WALL.
WOOD BLOCK
BETWEEN STUDS
STRAP
SLEEVE
WOOD BLOCK
STRAP
SLEEVE
WIRE TIE
WIRE TIE
WIRE TIE
INSIDE WALL
Figure 18. Refrigerant Line Set: Installing
Vertical Runs (New Construction Shown)
Brazing Line Set Connections
Use the following procedure to braze the line set to the new
air conditioner unit. Figure 19 on page 10 is provided as a
general guide for preparing to braze the line set to the air
conditioner unit.

Lennox Dave Lennox Signature Collection XC15 Specifications

General

Brand	Lennox
Model	Dave Lennox Signature Collection XC15
Category	Air Conditioner
Language	English