York Millennium YDAS 410, Installation Operation & Maintenance

Page: 43 / 136

FORM 201.10-NM4
43
YORK INTERNATIONAL
ELEMENTARY DIAGRAM
FIG. 22 – YDAS 410 - 490 (SYSTEMS 1 & 2) – ELEMENTARY DIAGRAM – WYE-DELTA START (CONT’D)
CAUTION:
No Controls (relays, etc.)
should be mounted in the
Smart Panel enclosure or
connected to power supplies
in the control panel. Addition-
ally, control wiring not con-
nected to the Smart Panel
should not be run through the
cabinet. This could result in
nuisance faults.
CAUTION:
Any inductive devices (relays)
wired in series with the flow
switch for start/stop, into the
Alarm circuitry, or pilot relays
for pump star ters wired
through motor contactor aux-
iliary contacts must be sup-
pressed with YORK
P/N 031-00808-000 suppres-
sor across the relay/contactor
coil which activates the con-
tacts.
Any contacts connected to
flow switch inputs or BAS in-
puts on terminals 13 - 19 or
TB3, or any other terminals,
must be suppressed with a
YORK P/N 031-00808-000
suppressor across the relay/
contactor coil which activates
the contacts.
CAUTION:
Control wiring connected to
the control panel should never
be run in the same conduit
with power wiring.
MAX NON-
CONTROL MIN DUAL FUSED
UNIT
POWER CIRCUIT ELEMENT DISC.
VOLTAGE
SUPPLY AMP. FUSE SWITCH
SIZE SIZE
ALL MODELS
115-1-50/60 20A 20A 250V 30A 240V
W/O TRANS.
MODELS -17 200-1-60 15A 15A 250V 30A 240V
WITH -28 230-1-60 15A 15A 250V 30A 240V
TRANS. -46 400-1-60 8A 8A 600V 30A 480V
* -58 575-1-60 8A 8A 600V 30A 600V
* All primary and secondary wiring between transformer and control panel included.
CONTROL POWER SUPPLY
LD02048