Daikin GYEQ20AN, Руководство по обслуживанию

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SiAUY361411EA Inspecting the Outdoor Unit
Parts Inspection 200
1.34 Inspecting the Outdoor Unit's Circuit Boards and Power
Supply System
1. With the power breaker OFF, check for any burned or broken circuit boards.
2. Check each circuit board for any broken fuses.
3. If all circuit boards are OK, turn ON the power breaker and check the output voltage.
„
Fuses on circuit boards
„
Output voltage
1.35 Inspecting the Communication Cables
Check the connection and continuity of each communication cable.
Part Purpose Capacity
Power supply circuit board
F1 Power supply R-phase 250 V 15 A
F2 Power supply S-phase 250 V 15 A
F3 Power supply T-phase 250 V 15 A
F4 Ignition power supply 250 V 15 A
F5 200 V-based load 250 V5 A
F101 Main circuit board power supply 250 V 4 A
Main circuit board
F1 Communications with indoor units 250 V 0.5 A
F2 Clutch 125 V 10 A
Sub circuit board FU1 200 V-based load 250 V 1 A
Parts to inspect Measuring points Measured value
Main circuit board power supply
Power
supply
circuit
board
Between CN106-1 and -3 16 V DC
Between CN106-2 and -3 12 V DC
Between CN106-4 and -5 5 V DC
Between CN106-6 and -7 5 V DC
Ignition power supply
Power
supply
circuit
board
Between CN107-1 and -2 14 V DC
Sub circuit board power supply
Power
supply
circuit
board
Between CN106-1 and -3 16 V DC
Between CN106-2 and -3 12 V DC
Between CN106-4 and -5 5 V DC
Between CN110-1 and -2 200 V AC
Main circuit board
F2
CN7
Outdoor unit
Terminal block
indoor unit
5
6
13
14
F1
2
1
Not used
023470-00E