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R - Network 2 = feeder C, D and F with 20 KVA.
R Circuit breakers protect the feeders. Power contactors switch the power.
4. Operation/Control & Ind_______________________
R The power contactors for the galleys are controlled through control relays
R as follows:
R With the APU generator running or with external power supplied you can
R supply all feeders with power (on the ground). With both engine driven
R generators running, you can supply all feeders with power (on the ground or
R in flight). With only engine 1 driven generator running, only feeders B and
R D is supplied. Feeders A, C, E and F are shed automatically (on the ground
R or in flight). You can manually shed all the feeders to the galley with the
R pushbutton switch 2XA GALLEY OFF in the cockpit (on the overhead panel
R 35VU).
**ON A/C 301-399,
3. System Description__________________
R (Ref. Fig. 002B)
R The power supply provides the galley assemblies with 115 V AC through the
R three phase normal busbars 1XP and 2XP. Six triple core wires (feeders A, C,
R D, E and F) distribute the power to terminal blocks in the forward, mid and
R aft galley area. Vendor wiring distributes the power to the galley units.
R The wiring is connected to the terminal blocks with cable lugs.
R The maximum available load for all galleys is 70 KVA. The load is
R distributed as follows:
R - FWD feeder = 40 KVA or 25 KVA or 25 KVA,
R - MID feeder = 0 KVA or 15 KVA or 0 KVA,
R - AFT feeder = 30 KVA or 30 KVA or 45 KVA.
R Circuit breakers protect the feeders. Power contactors switch the power.
4. Operation/Control & Ind_______________________
R The power contactors for the galleys are controlled through control relays
R as follows:
R With the APU generator running or with external power supplied you can
R supply all feeders with power (on the ground). With both engine driven
R generators running, you can supply all feeders with power (on the ground or
R in flight). With only engine 1 driven generator running, only feeder D is
R supplied. Feeders A, C, E and F are shed automatically (on the ground or in
R flight). You can manually shed all the feeders to the galley with the
R pushbutton switch 2XA GALLEY OFF in the cockpit (on the overhead panel
R 35VU).
R
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Galley Power Supply and Distribution - Schematic Figure 002 (SHEET 1)
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Galley Power Supply and Distribution - Schematic Figure 002 (SHEET 2)
R 1EFF : 001-049, 101-149, 151-199, 211-299, 1 24-56-00Page 7 1401-499, 1Aug 01/05 1 1 1CES 1
Galley Power Supply and Distribution - Schematic
Figure 002A (SHEET 1)
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Galley Power Supply and Distribution - Schematic
Figure 002A (SHEET 2)
R 1EFF : 051-099, 201-210, 1 24-56-00Page 9 1 1 Aug 01/05 1 1 1CES 1R Galley Power Supply and Distribution - Schematic R Figure 002B (SHEET 1)
1EFF : 301-399, 1 24-56-00Page 10 1 1 May 01/04 1 1 1CES 1R Galley Power Supply and Distribution - Schematic R Figure 002B (SHEET 2)
1EFF : 301-399, 1 24-56-00Page 11 1 1 May 01/04 1 1 1CES 1 GALLEY SUPPLY - DEACTIVATION/REACTIVATION
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