12
5.3 Recharge
5.3.1 Confirm that the HP, LP quick coupler and hoses are well fixed to the units. And all
tank hoses are properly attached to the working tank.
5.3.2 Press
Function
button, and enter
Other Service
Item, use password 9227. Enter
the
M. control valve
interface.
Long press the
RECHARGE
button, check the output of
the main control board is CN5, CN8. That means the SV1/fan, SV2 are working. Or please
check the circuit connection.
5.3.3 Pressurize the high and low side hoses with refrigerant by function recharge, long
press the key
CHARGE
button for at least 20 seconds. Check if the tank gauge pressure is
same as the LP gauge. If not, Or please check if the flow routine blocked, the solenoid
valves are in health working state.
5.4 Output check table
Long Press Key
In
M. Control Valve
Main control board output
Load
RECOVERY
CN2, CN4, CN8.
SV8/compressor, SV4/SV6, SV1/fan
VACUUM
CN3,CN8
SV1/fan, SV5/vacuum pump
RECHARGE
CN5, CN8.
SV1/fan, SV2
PAG OIL
CN7, CN8.
SV1/fan, SV3
PURGE
CN4, CN6, CN9.
SV4/SV6, SV7, SV9
HINT
CN4, CN5, CN6, CN8
SV4/SV6, SV2, SV7, SV1/FAN
Other key
NULL
NULL
Summary of Contents for AC1000-3G
Page 5: ...4 3 Electronic diagram 3 1 Main power diagram 3 2 Main control board diagram...
Page 6: ...5 4 Flow chart 4 1 Overall layout...
Page 7: ...6 AC1000 3G BLOCK AND SOLENOID LAYOUT SV9 SV6 SV4 SV5 SV8 SV7 SV2 SV3 SV1...
Page 8: ...7 4 2General flow chart 4 3 Recovery...
Page 9: ...8 4 4Purge and drain oil 4 5 Vacuum...
Page 10: ...9 4 6 PAG oil injection 4 7 Recharge...