Refrigeration Service Operations (Rev 6/98)
89
THREE-WAY VALVE CONDENSER
PRESSURE BYPASS CHECK VALVE
REPAIR
Removal
1.
Recover the refrigerant charge.
2.
Unscrew the condenser pressure bypass check valve
cap from the three-way valve.
3.
Remove the snap ring.
4.
Unscrew the check valve stem by using a screwdriver
in the slot provided.
NOTE: The spring and valve are held in by the stem.
While removing the stem, use care so the spring and
valve are not lost.
5.
Remove the spring and Teflon check valve.
6.
Inspect the check valve seat in the three-way valve.
7.
If replacement parts are needed, a kit P/N 60-163 must
be used which includes the Teflon check valve, spring,
O-ring, valve stem and snap ring.
Teflon Check Valve Assembly
1.
Check Valve
4.
Stem
2.
Snap Ring
5.
O-ring
3.
Cap
6.
Spring
aea715
Installation
1.
Coat the O-ring with compressor oil and install it on the
check valve stem.
2.
Insert the spring into the hole in the check valve stem
and then install the Teflon check valve on the other end
of the spring with the hole in the valve towards the
spring.
3.
Coat the entire assembly with compressor oil and
install the assembly into the Teflon check valve seat in
the three-way valve.
CAUTION: The Teflon check valve must be
inserted with the flat side against the valve seat
to ensure proper sealing.
4.
Screw the check valve stem into the three-way valve
until the snap ring can be installed.
5.
Install the snap ring.
6.
Unscrew (back seat) the check valve stem against the
snap ring.
NOTE: The valve stem must be back seated during
normal unit operation.
7.
Coat sealing area in the cap with compressor oil, install
and tighten the cap on the three-way valve.
8.
Pressurize the refrigeration system and test for leaks. If
no leaks are found, evacuate the system.
9.
Recharge the unit.
Summary of Contents for Super II SR+
Page 4: ......
Page 10: ...ii ...
Page 14: ...4 ...
Page 22: ...Unit Description Rev 6 98 12 Front View AEA1350 ...
Page 23: ...Unit Description Rev 6 98 13 Right Side Door Open AEA1351 ...
Page 24: ...Unit Description Rev 6 98 14 Left Side Doors Open AEA1352 ...
Page 26: ...Operating Instructions Rev 6 98 16 Control Box Cover AEA1354 ...
Page 34: ...24 ...
Page 42: ...Electronic Controls Rev 6 98 32 SOFTWARE REVISION 04XX ALARMS AEA1358 ...
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Page 90: ...80 ...
Page 116: ...106 ...
Page 120: ...110 ...
Page 130: ...120 ...
Page 141: ...131 Schematic Diagram SBIII SII RMNII 30 SR MPIV ...
Page 142: ...132 Wiring Diagram SII SBIII RMN30 SR MPIV Page 1 of 4 ...
Page 143: ...133 Wiring Diagram SII SBIII RMN30 SR MPIV Page 2 of 4 ...
Page 144: ...134 Wiring Diagram SII SBIII RMN30 SR MPIV Page 3 of 4 ...
Page 145: ...135 Wiring Diagram SII SBIII RMN30 SR MPIV page 4 of 4 ...