FORM 150.24-NM27
YORK INTERNATIONAL
45
SWITCH 7
OPEN:
SYS 1 can be selected as the lag compressor by clos-
ing a user supplied contact between terminals 13 and
19. See Page 83.
CLOSED:
In this mode the micro determines which compressor is
assigned to the lead and the lag. A new lead/lag assign-
ment is made whenever both compressors shut down.
The micro will then assign the lead to the compressor
with the shortest anti-recycle time.
SWITCH 8
OPEN:
Switch #8 positioning on YCW & YCR water cooled chill-
ers does not affect operation.
CLOSED:
Switch #8 positioning on YCW & YCR water cooled chill-
ers does not affect operation.
M A N U A L
L E A D
/
L A G
A M B I E N T
&
D I S C H
P R
F A N
C O N T R O L
A U T O M A T I C
L E A D
/
L A G
D I S C H A R G E
P R E S S U R E
F A N
C O N T R O L
Summary of Contents for YCWJ45EE0
Page 29: ...FORM 150 24 NM27 YORK INTERNATIONAL 29 CONTROL CIRCUIT With I O Expansion Board LD02106...
Page 30: ...30 YORK INTERNATIONAL FIG 9 SYSTEM WIRING...
Page 31: ...FORM 150 24 NM27 YORK INTERNATIONAL 31 LD02678...
Page 35: ...FORM 150 24 NM27 YORK INTERNATIONAL 35 LD02679...
Page 36: ...36 YORK INTERNATIONAL MICROPANEL CONNECTION DIAGRAM With I O Expansion Board LD02107...
Page 37: ...FORM 150 24 NM27 YORK INTERNATIONAL 37 LD02108...