MV BLUEFIN QUALITY MANUAL - Australian Maritime College

Australian Maritime College
APPENDIX 2.8
ENGINE ROOM - START REFRIGERATION,
BLAST FREEZER, AIR CONDITIONER
START DOMESTIC FREEZER AND CHILLER (404A)
1. Close main circuit breaker (on switchboard) and distribution switch (E.R. frig. Control
board).
2. Close freezer and chiller doors, turn on main switch and two solenoid valves located
port side of the dry provision store.
3. Open all sea water cooling valves to fwd S.W. cooling pump.
4. Switch on S.W. cooling pump first, then start the refrigeration compressor. Check
trips on controllers in E R if compressor doesn’t start.
NOTE: Refrigerant valves are left open, back seated, to reduce leaks.
5. To chill fish room: (compressor running), chill fish room by closing fish room
evap/solenoid switch on front of control panel in E.R. and turn on digital temp. read
out behind front panel.
START BLAST FREEZER (404A)
1. Open S.W. valves to/from fwd. S.W. cooling pump including ships side and start if not
already running.
2. Open S.W. valve on inboard end of condenser.
3. Close start switch on frig. control panel.
ACCOMMODATION VENTILATION
1. All switches in air-con control room, one supply and return fan, one Air-Con. Return
and one galley exhaust fan.
2. Leave all switches off when vessel alongside.
START AIR CONDITIONER (R22)
1. Start supply and Air-Con. return fans.(see above).
2. Open two refrigerant valves near pressure gauges.
3. Open all S.W. intake, discharge and overboard valves to aft S.W. pump.
4. Turn on aft S.W. pump and compressor in E.R. above compressor.
5. Turn on S.W. pump first and Air Con. compressor in Air-Con. control room. (Press
reset on differential control in E.R. if compressor doesn’t start).
6. Temperature adjustment near door to control room.
Append 2.8 - Refrigeration.docx 1
Revised: November 2010