Advertisement
Procedure
DISTRIBUTOR TUBES
LIQUID LINE ORIFICE HOUSING
DISTRIBUTOR
ASSEMBLY
REMOVE AND DISCARD
WHITE TEFLON
(IF PRESENT)
Figure 8.
(Uncased Coil Shown)
1.
2.
3.
4.
5.
Typical Existing Expansion Valve Removal
Procedure
TWO-PIECE PATCH PLATE
LIQUID LINE
(UNCASED COIL ONLY)
ORIFICE
HOUSING
DISTRIBUTOR
TUBES
DISTRIBUTOR
ASSEMBLY
MALE EQUALIZER
LINE FITTING
SENSING BULB
Figure 9. Remove Expansion Valve
(Uncased Coil Shown)
®
TEFLON
RING
FIXED ORIFICE
BRASS NUT
®
SEAL
LIQUID LINE ASSEMBLY
(INCLUDES STRAINER)
®
STUB END
EXPANSION
VALVE
TEFLON
RING
®
TEFLON
RING
EQUALIZER
LINE
LIQUID LINE
ASSEMBLY WITH
BRASS NUT
VAPOR
LINE
1.
2.
3.
4.
5.
6.
7.
8.
Connect Gauges and Equipment for Flushing
Procedure
VAPOR LINE
SERVICE VALVE
EXISTING
INDOOR
UNIT
LIQUID LINE SERVICE
VALVE
RECOVERY
CYLINDER
4
®
1.
SENSING
LINE
2.
3.
4.
LIQUID
LINE
®
CYLINDER CONTAINING
CLEAN R-410A TO BE
USED FOR FLUSHING
(Positioned to deliver liquid
1
refrigerant)
1
NEW
OUTDOOR
UNIT
2
3
Figure 10. Connecting Gauges
GAUGE
MANIFOLD
LOW
HIGH
OPENED
CLOSED
TANK
RETURN
INLET
DISCHARGE
RECOVERY MACHINE
31-5000750 Rev. 1
Advertisement
