York YCAS 0138EB, Установка, эксплуатация и обслуживание

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146
JOHNSON CONTROLS
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
SWITCH “OPEN”
SETTING
SWITCH “CLOSED”
SETTING
1 Water Cooling Brine Cooling
2
Standard Ambient
Control
Low Ambient Control
3 Refrigerant R-407C Refrigerant R-22
4 Unit Type YCWS Unit Type YCAS
5
Motor Current
Averaging Do Not
Use
Motor Current
Averaging AVG.
Disabled
6
Heat Recovery
Disabled
Heat Recovery
Enabled
7 EXP. Valve Type TXV EXP. Valve Type EEV
8 SPARE 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.
Micro Panel Contents
Dip Switch Physical Location and Setting
FIG. 49 – ENLARGED PHOTOGRAPH OF DIP
SWITCHES ON MICROPROCESSOR
BOARD
LD03511A
LD03511B
“OPEN” Position:
Left side of switch
pushed in
“CLOSED” Position:
Right side of switch
pushed in