Lennox XC14 Installation Instructions Manual page 10

IMPORTANT - REFRIGERANT LINES
MUST NOT CONTACT WALL.
OUTSIDE WALL
WOOD BLOCK
BETWEEN STUDS
NOTE − SIMILAR INSTALLATION
PRACTICES SHOULD BE USED
IF LINE SET IS TO BE INSTALLED
ON EXTERIOR OF OUTSIDE
WALL.
SUCTION LINE WRAPPED
WITH ARMAFLEX
LIQUID LINE
OUTSIDE
WALL
PVC
PIPE
FIBERGLASS
INSULATION
Figure 16. Refrigerant Line Set: Installing Vertical
Runs (New Construction Shown)
1
CUT AND DEBUR
7
INSTALL CORE ONLY FOR
BOTH SERVICE PORTS AFTER
THEY HAVE COOLED.
505367M 04/08
LIQUID LINE
SUCTION LINE
WIRE TIE
INSIDE WALL
STRAP
SLEEVE
WIRE TIE
WOOD BLOCK
WIRE TIE
STRAP
SLEEVE
IMPORTANT!
REFRIGERANT LINES
MUST NOT CONTACT
STRUCTURE.
CAULK
2
REMOVE CAP AND CORE FROM
BOTH LIQUID AND SUCTION
SERVICE PORTS
SUCTION LINE
INDOOR UNIT
LIQUID LINE
6
BRAZE LINE SET
Figure 18. Brazing Connections
AUTOMOTIVE MUFFLER-TYPE
ANCHORED HEAVY
NYLON WIRE TIE
Figure 17. Refrigerant Line Set: Transition from
3
ATTACH
GAUGES
SERVICE PORT MUST BE
OPEN TO ALLOW EXIT
SERVICE
POINT FOR NITROGEN
VALVE
SERVICE
VALVE
5
Page 10
HANGER
STRAP LIQUID LINE
TO SUCTION LINE
METAL SLEEVE
SUCTION LINE −
WRAPPED IN ARMAFLEX
WALL
STUD
LIQUID LINE
METAL SLEEVE
SUCTION LINE − WRAPPED
IN ARMAFLEX
Vertical to Horizontal
OUTDOOR
UNIT
4
FLOW NITROGEN
WRAP
NITROGEN
SERVICE
VALVE
LIQUID LINE
STRAP LIQUID LINE
TO SUCTION LINE