FORM 201.25-NM1 (302)
51
YORK INTERNATIONAL
YCRS mode MUST be selected. The
closed position MUST NOT be se-
lected. Incorrect selection of this
switch may cause serious damage to
the chiller.
4.8 DIP SWITCH SETTING
4.9 FUNCTION KEY
Pressing this key displays the same message as press-
ing the ‘STATUS’ key.
Pressing the ‘FUNCTION’ key followed by another
display key will scroll through all the data available un-
der the display key once.
For example, pressing the ‘FUNCTION’ key followed
by the ‘SYSTEM 1 DATA’ key will result in scrolling
through the displays shown below, 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 FUNCTION Key can be used to scroll through the
displays for:
• Chilled Liquid Temps
• System # Data
• Motor Current
• Options
FIG. 16 –
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
LD06630
S #
S A T
D S C H = 1 3 0 . 0 ° F
D S C H
S H E A T
=
5 4 . 3 ° F
S Y S
#
S
V
S T E P
=
3
S Y S
#
C O O L E R
I N L E T
R E F R I G
T E M P =
2 8 . 2 ° F
S Y S
#
O I L =
1 7 6
P S I G
S P = 6 4
D P = 1 9 5
P S I G
S Y S
#
O I L
=
1 5 7 . 4 ° F
S T =
3 1 . 0
D T =
1 2 3 . 2 ° F
S #
S A T
S U C T
=
3 2 . 9 ° F
S U C T
S H E A T
=
1 5 . 0 ° F
7
