Ems/Bas Controls - York eco YCAS Series Manual

Optimized r-407c air-cooled liquid chiller
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1.10

EMS/BAS CONTROLS

Remote Start/Stop
Never bypass a flow switch. This will
cause damage to the chiller and void
any warranties.
Wiring from remote “dry” contacts
(for stop/start 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 induc-
tive device (relay, contactor) is supply-
ing these contacts, the coil of the de-
vice must be suppressed with a sup-
pressor YORK Part Number 031-
00808-000 (60 Hz models) or a stan-
dard RC suppressor (50 Hz models)
across the inductive coil.
Remote Current Reset
=
- {
After an offset signal, the new Remote
Current Limit may be viewed on the
Remote EMS Limiting Display under
the Motor Current Key (see Section
3.5). However, if this display is being
viewed when the reset pulse occurs, the
setpoint 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 EMS Limiting
Display.
Remote EMS Reset will not operate
when a Remote Control Center Option
Kit is connected to the micro. The Re-
mote Control Center will always de-
termine the setpoint.
8
x
}
177

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