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Micro Panel Contents
Dip Switch Physical Location and Setting
LD03511B
LD03511A
FIG. 49 – ENLARGED PHOTOGRAPH OF DIP
SWITCHES ON MICROPROCESSOR
BOARD
146
"OPEN" Position:
Left side of switch
pushed in
"CLOSED" Position:
Right side of switch
pushed in
Summary of Settings
The following table gives a summary of Modes (dis-
played messages) which can be selected using the Open
and Closed positions for each of the eight SW1 Dip
Switches.
SWITCH "OPEN"
SWITCH
SETTING
1
Water Cooling
Standard Ambient
2
Control
3
Refrigerant R-407C
4
Unit Type YCWS
Motor Current
5
Averaging Do Not
Use
Heat Recovery
6
Disabled
7
EXP. Valve Type TXV
8
SPARE
3.8
FUNCTION KEY
Pressing the Function key only displays the same mes-
sage as pressing the Status key. Pressing the Function
key followed by another display key will scroll through
all the data available under that key once. E.g., pressing
the Function key followed by the System 1 Data key will
result in scrolling through the 5 displays shown in Section
3.3 without the need to press the System 1 Data key to
scroll to the next display. After scrolling through the data,
the display returns to the status message.
The following keys can be scrolled using the Function
Key: Chilled Liquid Temps, System # Data, Motor
Current and Options.
SWITCH "CLOSED"
SETTING
Brine Cooling
Low Ambient Control
Refrigerant R-22
Unit Type YCAS
Motor Current
Averaging AVG.
Disabled
Heat Recovery
Enabled
EXP. Valve Type EEV
SPARE
JOHNSON CONTROLS
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