4
Figure 2. loosening of Nut & Distributor Body
Install restrictor with
rounded end down
in the distributor
Figure 4. restrictor insertion into Distributor Body
Figure 3. removal of Orifice
Carefully remove the
restrictor orifice from
the distributor body
CAUtiON:
to prevent damage to the unit or internal
components, it is recommended that two
wrenches be used when loosening or tightening
nuts. Do not over tighten!
13. Using two wrenches, tighten all connections.
liNeSet CONNeCtiONS
Connecting Brazed linesets
1. If TXV kit and new liquid line are being installed, skip to
step 4.
2. If original liquid line is being used, relieve all pressure from
the coil by depressing the valve on the liquid line. Remove
the valve core.
3. Using all appropriate cautions, unbraze and remove the
valve holder on the liquid line.
4. Verify the lineset ends are round, clean, and free of any
burrs.
5. Connect the suction and liquid lineset tubes
.
CAUtiON:
it is recommended that a wet rag be wrapped
around the suction line in front of the close
off plate before applying heat. Failure to keep
components cool during brazing may result
in structural damage, premature equipment
failure, or possible personal injury.
6. Braze the individual connections with dry nitrogen flowing
through the joints.
impOrtANt: to prevent internal oxidation and scaling
from occuring, braze all connections with dry nitrogen
flowing through the joints.
7. Wrap the refrigerant lines with pressure sensitive neoprene
or other suitable material especially where the lines enter
the opening in the sheet metal.
8. Proceed to
Completing the Installation
(page 5).
Quick Connect 1
1. Determine the appropriate connection kit by referring to
Table 1 (page 6).
2. Cut off 2.5 inches off the coil suction and liquid line tubes.
DO NOt swage the cut ends.
CAUtiON:
it is recommended that a wet rag be wrapped
around the quick connect before applying heat.
Failure to keep components cool during brazing
may result in structural damage, premature
equipment failure, or possible personal injury.
3. Wrap a wet rag around the Quick Connect and braze the
connections from the kit onto the coil.
4. Verify that the couplings at the ends of the lineset still have
their knives intact.
5. Apply liberal amounts of refrigerant oil to the entire surface
of the diaphragm, O-ring, and threaded area of the male
Body
Nut
Figure 6. Female Coupling Assembly
Figure 5. male Coupling Assembly
O-Ring
Diaphragm
