11
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
Function
Function
Function
button, and enter
Other
Other
Other
Other Service
Service
Service
Service
Item, use password 9227. Enter
the
M.
M.
M.
M. control
control
control
control valve
valve
valve
valve
interface.
Long press the
RECHARGE
RECHARGE
RECHARGE
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
CHARGE
CHARGE
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
L
L
L
Long
ong
ong
ong Press
Press
Press
Press K
K
K
Key
ey
ey
ey
IIIIn
n
n
n
M.
M.
M.
M. Control
Control
Control
Control Valve
Valve
Valve
Valve
Main
Main
Main
Main control
control
control
control board
board
board
board output
output
output
output
Load
Load
Load
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
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Summary of Contents for AC1000
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 4 2General flow chart 4 3 Recovery...
Page 8: ...7 4 4Purge and drain oil 4 5 Vacuum...
Page 9: ...8 4 6 PAG oil injection 4 7 Recharge...