York MILLENIUM YCAS Series, Installation Operation & Maintenance, Page: 62 / 156

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YORK INTERNATIONAL
WIRING DIAGRAM
WYE-DELTA START
FIG. 19 – WIRING DIAGRAM – WYE-DELTA START
LD06013
LD06012
UNIT
CONTROL MIN. MAX DUAL NON FUSED
VOLTAGE
POWER CIRCUIT ELEMENT DISC.
SUPPLY AMP FUSE SIZE FUSE SIZE
ALL MODELS
115-1-50/60 20A 20A 250V 30A 240V
W/O TRANS
Technical Data
NOTES:
1. Field wiring to be in accordance with the current edition
of the National Electrical Code as well as all other appli-
cable codes and specifications.
2 . Contacts must be suitable for switching 24VDC. (Gold
contacts recommended). Wiring shall NOT run in the
same conduit with any line voltage (Class 1) wiring.
3. To cycle unit ON and OFF automatically with contacts
shown, install a cycling device in series with the flow
switch. See Note 2 for contact rating and wiring specifi-
cations.
4. To stop unit (Emergency Stop) with contacts other than
those shown, install the stop contact between 5 and 1. If a
stop device is not installed, a jumper must be connected
between terminals 5 and 1. Device must have a minimum
contact rating of 6A at 115 volts A.C.
5. Contacts are rated at 115V, 100VA, resistive load only,
and must be suppressed at load by user.
CONTROL POWER SUPPLY