Johnson Controls YEWS Series, Инструкции по установке, эксплуатации и техническому обслуживанию

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Setting scope and default value of the parameters:
RUN MODE: AC/ITS/HP/REMOTE Default: AC
RESET FAIL: ----/SYS1/SYS2
Default: ----
CONTR.CYCLE: 5 ~ 60 s Default: 10s
MIN.RUN TIME: 120 ~ 600s Default: 300s
ANTI-RECYCLE: 120 ~ 600s Default: 480s
LOAD TIME: 0.5 ~ 20.0s Default: 2.0s
UNLOAD TIME: 0.5 ~ 20.0s Default: 4.5s
ANTIFREEZE
：
YES/NO Default: YES
Parameters setting instructions:
RUN MODE
：
The working mode can be selected via 0
and 8 keys, press X to cancel and
√
to confirm.
RESET FAIL
：
Select via 0 and8, press X to cancel, and
√
to confirm. If you choose SYS1 and confirmed, it will
reset system1 failure. If you choose SYS2 and confirmed,
it will reset system2 failure.
CONTR.CYCLE: The time period for unit capacity
regulation, default is 10s
MIN.RUN TIME: The minimum operation time once the
compressor is started, default is 300s.
ANTI-RECYCLE: The minimum stand-by time of the
unit after the compressor is stopped. This function is
provided to protect the compressor motor from burn out
due to frequent starting, the default setting is 480s.
LOAD TIME: Time of CR4 solenoid of compressor is
energized.
UNLOAD TIME: Time of CR3 solenoid of compressor is
de-energized.
ANTIFREEZE
: Select whether activate anti-freeze oper-
ation protection in standby state via this unit setting
parameter. If
YES , the unit has anti-freeze protection
function in standby state, otherwise, no such function.
(3) Parameter Setting Interface-3
Press F1 to return to the parameter setting interface-1
Press F3 to return to the previous setting interface
Press F4 to enter into the next parameter setting interface
SYS1 RUN CTRL. AUTO
SYS2 RUN CTRL. AUTO
SYS1 CUR.OFFSET 100%
SYS2 CUR.OFFSET 100%
SYS1 BYPASS CTRL. MANUAL
BYPASS1 ON BYPASS2 ON
SYS2 BYPASS CTRL. MANUAL
BYPASS1 ON BYPASS2 ON
RETU
NEXT
BACK
Setting scope and default of the parameter:
SYS1 RUN CTRL. AUTO/LOAD/UNLOAD Default
：
AUTO
SYS2 RUN CTRL. AUTO/LOAD/UNLOAD Default
：
AUTO
SYS1 CUR.OFFSET 50~150% Default
：
100%
SYS2 CUR.OFFSET 50~150% Default
：
100%
SYS1 BYPASS CTRL. AUTO/MANUAL Default
：
AUTO
SYS2 BYPASS CTRL. AUTO/MANUAL Default
：
AUTO
Parameter setting instruction:
SYS1 RUN CTRL.
：
For system1,Select via 0 and8,
press Xto cancel, or
√
to confirm. If select AUTO , the
unit will automatically carry out load/unload control
according to water temperature conditions; if select
LOAD , the unit will carry out compulsive load (CR3
and CR4 solenoid of compressor is energized); if select
UNLOAD (CR3 and CR4 solenoid of compressor is de-
energized), the unit will carry out compulsive unload.
SYS2 RUN CTRL.
：
For system2,With the same SYS1
RUN CTRL
..
SYS1 CUR.OFFSET
：
Minor error between current
value displayed on centralized controller and actual mea-
sured current value may be adjusted with this parameter,
i.e. active displayed current value multiplies adjustment
coefficient to make the final displayed cur-rent value be
equal or close to actual measured current value. Setting
method is as follows: if current of compressor displayed
on centralized controller is 100A and actual measured
current is 105A,
SYS1 CUR.OFFSET may be set as
105, after that, current of compressor displayed on
centralized controller will also be 105A which is equal to
actual measured value.
SYS2 CUR.OFFSET
：
With the same SYS1 CUR.OF-
FSET .
YEWS-E Water Cooling Screw Chiller/Heat Pump
30