York YCAS Series Installation Operation & Maintenance page 57

FIG. 18 – CONT'D
YORK INTERNATIONAL
ELEMENTARY DIAGRAM
VOLTAGE
ALL MODELS
W/O TRANS.
MODELS
WITH
TRANS.
*
* All primary and secondary wiring between transformer and control panel included.
CAUTION:
No Controls (relays, etc.)
should be mounted in the
Smart Panel enclosure or con-
nected to power supplies in the
control panel. Additionally,
control wiring not connected
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 starters wired
through motor contactor aux-
iliary contacts must be sup-
pressed with YORK P/N 031-
00808-000 suppressor across
the relay/contactor coil.
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 sup-
pressor across the relay/con-
tactor coil.
CAUTION:
Control wiring connected to
the control panel should never
be run in the same conduit with
power wiring.
CONTROL POWER SUPPLY
CONTROL MIN
UNIT
POWER CIRCUIT
SUPPLY AMP.
115-1-50/60 20A
-17 200-1-60 15A
-28 230-1-60 15A
-46 400-1-60 8A
-58 575-1-60 8A
FORM 201.18-NM1 (102)
7
MAX DUAL NON-FUSED
ELEMENT DISC.
FUSE SIZE SWITCH SIZE
20A 250V 30A 240V
15A 250V 30A 240V
15A 250V 30A 240V
8A 600V 30A 480V
8A 600V 30A 600V
57