Johnson Controls YEWS Series, Installation, Operation And Maintanance Instructions

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The following interface is the parameter setting
interface-1-d , press F1 to enter into the setting interface,
then the handlers will have the higher access level to set
all the parameters.
Press F1 to return to the main interface.
Press F4 to enter into the password changing interface
*
E N GL ISH
ACCESS LEVEL FACTORY
PASSWORD
LANGUAGE
RETU
NEXT
CHG
SYSTEM SETTING
Parameter Setting Interface-1-e
The changing of each access level password can be done
in the parameter setting interface-1-e.
The contrast of screen will become weak when pressing
F3.
The contrast of screen will become dark when pressing
F4.
The CPU running efficiency is also displayed in this
interface, which will be used by the Designing And
Deploitation person. Press F1 to return to the main
*
RETU
THIN
DRAK
PASSWORD SETTING
OPERATOR
SERVICE
FACTORY
CONTRAST
CPU USED
*
*
0 %
0
Password validation interface, there are two status display
areas,
ACCESS LEVEL and PASSWORD , ACCESS
LEVEL displays the setting access level of the current
parameter, the different parameters can be set by input the
corresponding access password. There is four access
level:
“
VIEW
” “
OPERATOR
” “
SERVICE
”
and
“
FACTORY
”
. Input the password in the
PASSWORD area by pressing the via the figure key,
however, all the password in the
PASSWORD
area is
displayed as *. The numbers of Parameters which can be
set is decided by the acess level of input password. The
parameters setting interface can also be entered into by
pressing F1 without inputting the password, then the
default level is VIEW.
Press
√
after inputting the password, the corresponding
access level can be displayed, then the parameter set
interface can be entered into upon pressing F2. If the
password is inputting correctly, the parameters setting of
the corresponding access level can be done, otherwise all
the parameters can only be observed.
Move the cursor on the line of language set via pressing
√
and X,
中文
or ENGLISH can be selected by pressing
0 or 8 keys,press
√
to confirm, or press X to cancel. If
中文
is selected, all the language on the display interface
will be Chinese, otherwise in English.
CONTRAST:This parameter is used to adjust the
contrast of the LCD, the brightness of displayed
information will change obviously after the CONTRAST
adjusting. This parameter is set in factory before
Shipment, the user and service person should not attempt
to change this parameter in case damages the LCD.
CPU USED: Just a displayed value, none of business
with user.
(2) Parameter Set Interface-2
Press F1 to return to the main interface
Press F4 to enter into the next setting interface
RETU
NEXT
RUN MODE HP
RESET FAIL ----
CONTR.CYCLE 10S
LOAD TIME 0.5S
UNLOAD TIME 3.0S
MIN.RUN TIME 300S
ANTI -RECYCLE 480S
ANTI FREEZE YES
YEWS-E Water Cooling Screw Chiller/Heat Pump
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