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JOHNSON CONTROLS
127
FORM 150.62-NM8 (1020)
4
advance through the outputs. Using the UP/DOWN
arrow keys will turn the respective digital output ON/
OFF or modify the value.
Following is the order of outputs that will appear as the
ENTER/ADV key is pressed:
SYS 1 COMP 1 STATUS TB7-2 IS:
SYS 1 LLSV STATUS TB7-3 IS:
SYS 1 COMP 2 STATUS TB7-4 IS:
SYS 1 COMP 3 STATUS TB7-5 IS:
SYS 1 HGBP STATUS TB7-7 IS:
SYS 2 COMP 4 STATUS TB10-2 IS:
SYS 2 LLSV STATUS TB10-3 IS:
SYS 2 COMP 5 STATUS TB10-4 IS:
SYS 2 COMP 6 STATUS TB10-5 IS:
SYS 1 FAN OUTPUT 1 TB7-8 IS:
SYS 1 FAN OUTPUT 2 TB7-9 IS:
SYS 1 FAN OUTPUT 3 TB7-10 IS:
SYS 2 FAN OUTPUT 1 TB10-8 IS:
SYS 2 FAN OUTPUT 2 TB10-9 IS:
SYS 2 FAN OUTPUT 3 TB10-10 IS:
EVAP HEATER STATUS TB8-2 IS:
SYS 1 ALARM STATUS TB8-3 IS:
SYS 2 ALARM STATUS TB9-2 IS:
EVAP PUMP STATUS TB8-6 & TB8-7 IS:
SYS 1 EEV OUTPUT TB5-1 & 2 = :
SYS 2 EEV OUTPUT TB6-1 & 2 = :
Each display will also show the output connection on
the I/O Board for the respective output status shown.
For example:
S Y S 1 L L S V S T A T U S
T B 1 0 - 3 I S O F F
This display indicates that the system 1 liquid line
solenoid valve is OFF, and the output connection from
the I/O Board is coming from terminal block 10 - pin
3.
Pressing the UP arrow key will energize the liquid line
solenoid valve and OFF will change to ON in the display
as the LLSV is energized.
Service Mode – Chiller Configuration
After the outputs are displayed, the next group of
displays relate to chiller configuration and start/hour
counters. Data logging, soft start, refrigerant type, and
expansion valve type all must be programmed to match
actual chiller configuration.
SECTION 4 - SERVICE AND TROUBLESHOOTING
CLEARING HISTORY BUFFERS
The history buffers may be cleared by pressing the
HISTORY key and then repeatedly pressing the UP
arrow key until you scroll past the last history buffer
choice. The following message will be displayed:
I
I N I T I A L I Z E H I S T O R Y
E N T E R = Y E S
Pressing the ENTER/ADV key at this display will cause
the history buffers to be cleared. Pressing any other key
will cancel the operation.
DO NOT CLEAR BUFFERS. Impor
-
tant information may be lost. Contact
factory service.
SOFTWARE VERSION
The software version may be viewed by pressing the
HISTORY key and then repeatedly pressing the DOWN
arrow key until you scroll past the first history buffer
choice. The following message is an example of what
will be displayed:
S O F T W A R E V E R S I O N
C . M M C . 0 1 . 0 1
SERVICE MODE
Service Mode is a mode that allows the user to enable
or disable all of the outputs (except compressors) on the
unit, change chiller configuration setup parameters and
view all the inputs to the I/O Board.
To enter Service Mode, turn the Unit Switch
off and press
the following keys in the sequence shown; PROGRAM,
UP ARROW, UP ARROW, DOWN ARROW, DOWN
ARROW, ENTER. Service Mode will time out after 30
minutes and return to normal control mode, if the panel
is accidentally left in this mode. Otherwise, turning
the Unit Switch ON will take the panel out of Service
Mode.
Service Mode – Outputs
After pressing the key sequence as described, the
control will enter Service Mode permitting the outputs
(except compressors), operating hours, refrigerant
type, expansion valve type, and start/hour counters to
be viewed/modified. The ENTER/ADV key is used to
Содержание YCAL0014E Series
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