2. Control Functions
Control functions on the module
SMGB0082 rev.1 - 07/2015
39
2
2.1.19 Limitation setting for pump feedback waiting time
Flow at the start of operation of the chiller unit
°
Chiller Unit Operation Order Reception
¢
Waiting for Pump Feedback
£
Compressor operation after compressor delay
time count
Alarm Output
In case that
setting time is
exceeded
§
Interlock achieved
The flow in the upper figure is followed upon start of operation of the chiller unit.
The state of
¢
is kept in case that there is no input of pump feedback signal between
¢
and
£
, or when the difference
between inlet and outlet temperature of cold water is too large. This function shifts to
§
"Alarm" in case that the state of
¢
continues for a certain amount of time.
Initial value for the standard specification:
• Unlimited
•
Initial value for the specification with pump mounted: 5 minutes
• Setting range: 1~30 minutes
The display at this time is
LCD: Pump interlock abnormality
Segment: 5P-5P
Setting method
Select "Limited" and input the time
Display the input window with [INPUT] key
Input the setting value with up and down
keys
Confirm with [ENT] key
Cancel with [CAN] key
