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Refrigeration Maintenance
148
Receiver Tank/ Water-Cooled
Condenser Tank Replacement
Tank Removal
Remove the old tank by performing the following
steps:
1. Recover the refrigerant charge from the unit.
2. Unsolder the liquid inlet and liquid outlet
valve line connections.
3. Loosen the mounting nuts and remove the
tank.
Tank Installation
Install the new tank by performing the following
steps:
1. Install a new tank in the unit and tighten the
mounting bolts.
2. Solder the inlet line and outlet line
connections.
NOTE: It is strongly recommended that dry
nitrogen be used to purge the system during
any solder operations (see “Using
Pressurized Nitrogen” in this chapter).
3. Pressurize the refrigeration system and check
for leaks (see “Refrigerant Leak Test
Procedure” in this chapter).
4. If no leaks are found, recover the refrigerant
used for the leak test.
5. Evacuate the system (see “Evacuation and
Cleanup of the Refrigeration System” in this
chapter).
6. Recharge the unit with R-404A (see
“Charging the System with Refrigerant” in
this chapter).
7. Perform a controller pretrip test to verify
system operation.
Figure 95: Receiver Tank
Figure 96: Water-Cooled Condenser Tank
Summary of Contents for 098916
Page 5: ......
Page 11: ...Table of Contents 10...
Page 19: ...Service Guide 18...
Page 28: ...Specifications 27 Figure 2 Physical Specifications AMA313...
Page 41: ...Unit Description Features Options 40...
Page 105: ...Operating Instructions 104...
Page 155: ...Servicing The Unit 154...
Page 187: ...Index 186...
Page 189: ...Wiring and Schematic Diagrams Index 188...
Page 190: ...189 Wiring Schematic...
Page 191: ...190 Wiring Diagram Page 1 of 2...
Page 192: ...191 Wiring Diagram Page 2 of 2...