Field Setting
SiUS28-902_B
70
Test Operation
3.4.6 Check Operation
To prevent any trouble in the period of installation at site, the system is provided with a test
operation mode enabling check for incorrect wiring, stop valve left in closed, and judgement of
piping length.
Unit stopping
Press the TEST button (BS4)
for 5 seconds.
10 seconds to 10 minutes
LED display (H1P~H7P) (
k
:
ON
l
:
BLINK
h
:
OFF)
hhkhhhh
hlhhhhk
Pressure equalizing
Step 1
20 seconds to 2 minutes
10 minutes
To 30 seconds
hlhhhkh
Cooling start control
Step 2
hlhhhkk
hlhhkkk
hlhkhhh
hlkhhhh
Stability waiting operation
Step 3
Pump down residual operation
Step 7
5 minutes
Standby for restarting
Completion
Step 8
•
Stop valve close check
•
Wrong wiring check
•
Piping length check
3 minutes
hlhhkhh
hlhhkhk
hlhhkkh
Judgement function
Step 4~6
CHECK OPERATION FUNCTION
