York YR TB TB T0, Installation Operation & Maintenance

Page: 22 / 76

JOHNSON CONTROLS
22
FORM 160.81-NOM1
ISSUE DATE: 10/3/2020
SECTION 1 – INSTALLATION
Evaporator-Condenser Shells – Remove all refriger-
ant connection covers.
Shells are shipped with a 5 psig (34 kPa)
nitrogen charge.
4. Place gasket on the evaporator suction flange and
lower the compressor assembly. Guide the studs
through the gasket and suction flange on top of
evaporator. (Refer to
Figure 9 on page 23
.)
5. Insert the cap screws, washers, and nuts to fasten
the motor to the motor support bracket. Level the
compressor-motor. If necessary, adjust the screws
and nuts to level compressor, and add shims if
necessary, between the motor feet and the sup-
port. (Refer to
Figure 9 on page 23
.)
6. Assemble nuts to studs on the evaporator suction
flange. Tighten nuts alternately and evenly, to in -
sure a leak tight fit.
7. Remove the hoist from the compressor-motor ass-
sembly.
8. Place gasket on the condenser discharge connec-
tion and then place the condenser shut-off valve
on the discharge connection. Make sure the han-
dle of the shut-off valve is perpendicular to the
condenser shell. Place gasket on the top side of
the shut-off valve.
9. Remove all cover closures from the oil separator
flanges and wipe all connection surfaces clean.
Lower the oil separator carefully keeping it level
and horizontal to the condenser shell. Line up the
compressor discharge port with the oil separa-
tor connection. Push the oil separator connection
until it seats itself. Use cap screws and washers
to fasten the oil separator connection to the com-
pressor. Complete the connection to the condens-
er shell using cap screws and nuts. Keep hoist rig-
ging attached to the oil separator.
10. Fasten the support bracket between the condenser
and the end of the oil separator with the proper
hardware.
11. Tighten all screws and nuts on the discharge
flange and the support bracket.
TABLE 5 - FORM 3 FIELD ASSEMBLY PARTS
ITEM NO. DESCRIPTION
1 COMPRESSOR WITH MOTOR
2 GASKET 6-3/4" I.D.
3 DISCHARGE LINE
4 SCREW M20 X 60 MM
5
NUT M20
6 LOCKWASHER
7 VALVE, BUTTERFLY
8 SCREW M20 X 150 MM
9 SCREW M20 X 90 MM
10 OIL SEPARATOR
13
STUD M20 X 105 MM
14 SEAL, O-RING 6" I.D.
15 HOT GAS BYPASS
16 CONDENSER
23 EVAPORATOR
24 GASKET 8-23/32" I.D.
25
ISOLATOR KIT
26 WASHER 13/16 I.D.
27 STRAINER
28 SHIMS
29 STUD M20 X 170 MM