York eco YCAS Series Manual page 178

Optimized r-407c air-cooled liquid chiller
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Wiring from remote “dry” contact (for
reset functions) should not exceed 25
ft. (8 m) and should be run in grounded
conduit that does not carry any wiring
other than control wiring or shielded
cable. If an inductive device (relay,
contactor) is supplying these contacts,
the coil of the device must be sup-
pressed with a suppressor YORK Part
Number 031-00808-000 (60 Hz mod-
els) or a standard RC suppressor (50
Hz models) across the inductive coil.
Remote Setpoint Reset
°
To determine the new setpoint
178
new setpoint after the 4 second contact closure would
be 44°F (7°C)+ 12°F (6 C) = 56°F (13°C).
After an offset signal, the new Remote
Setpoint may be viewed on the Remote
Reset Temperature Range display.
However, if this display is being viewed
when the reset pulse occurs, the set-
point will not change on the display.
To view the new offset, first press any
other display key on the keypad and
then press the Remote Reset Tempera-
ture Range key. The new setpoint will
then appear.
Remote Setpoint Reset will not oper-
ate when a Remote Control Center
Option Kit is connected to the Micro.
The Remote Control Center will al-
ways determine the setpoint.
Wiring from remote “dry” contact (for
reset functions) should not exceed 25
ft. (8 m) and should be run in grounded
conduit that does not carry any wiring
other than control wiring or shielded
cable. If an inductive device (relay,
contactor) is supplying these contacts,
the coil of the device must be suppressed
with a suppressor YORK Part Number
031-00808-000 (60 Hz models) or a
standard RC suppressor (50 Hz mod-
els) across the inductive coil.
the

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