18 YORK INTERNATIONAL
FIG. 5 – ELEMENTARY DIAGRAM (Cont’d)
LD02079
CONTROL POWER SUPPLY
MAX. NON-FUSED
UNIT
CONTROL MIN.
DUAL DISC.
VOLTAGE
POWER CIRCUIT
ELEMENT SWITCH
SUPPLY AMPACITY
FUSE SIZE SIZE
Standard
Models
115-1-50/60 20A 20A, 250V 30A, 240V
Without
Transformers
CAUTION: No Controls (relays,
etc.) should be mounted
in the Smart Panel en-
closure. Additionally,
control wiring not con-
nected to the Smart
Panel should not be run
through the cabinet.
This could result in nui-
sance faults.
CAUTION: Any inductive devices
(relay) wired in series with
the flow switch for start/
stop, into the Alarm cir-
cuitry, or pilot relays for
pump starters wired
through motor contactor
auxiliary contacts must
be suppressed with
YORK P/N 301-00808
suppressor across the
relay/contactor coil
which activates the con-
tacts.
Any contacts connected
to flow switch inputs or
BAS inputs on terminals
13-19 of TB3, must be
suppressed with YORK
P/N 301-00808 suppres-
sor across the relay/
contactor coil which ac-
tivates the contacts.
CAUTION: Control wiring connected
to the control panel
should never be run in
the same conduit with
power wiring.
CONTROL CIRCUIT
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