Accessories And Options; Power Options; Control Options - York YCAL Series Installation Operation & Maintenance

Air-cooled scroll chillers style d with ipu ii and i/o boards (50 hz) 29 ton to 65 ton
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SECTION 2 - PRODUCT DESCRIPTION

Power Options

Compressor Power Connection
Single-point (YCAL0041 - 0071) terminal block con-
nection is provided as standard. The following pow-
er connections are available as options. (See electri-
cal data for specific voltage and options availability)
(Factory-Mounted).
Single-Point Supply Terminal Block
(standard on YCAL0041 - 0071 models) Includes en-
closure, terminal-block and interconnecting wiring to
the compressors. Separate external protection must be
supplied, by others, in the incoming compressor-power
wiring. (Do not include this option if either the Single
Point Non Fused Disconnect Switch or Single-Point
Circuit Breaker options have been included).
Single-Point Non-Fused Disconnect Switch
Unit-mounted disconnect switch with external, lockable
handle (in compliance with Article 440-14 of N.E.C.),
can be supplied to isolate the unit power voltage for
servicing. Separate external fusing must be supplied,
by others in the power wiring, which must comply with
the National Electrical Code and/or local codes.
Single-Point Circuit Breaker
A unit mounted circuit breaker with external, lockable
handle (in compliance with N.E.C. Article 440-14),
can be supplied to isolate the power voltage for servic-
ing (this option includes the Single-Point Power con-
nection).
Control Transformer
Converts unit power voltage to 115-1-60 (0.5 or 1.0
KVA capacity). Factory mounting includes primary
and secondary wiring between the transformer and the
control panel (Factory-Mounted).
Power Factor Correction Capacitors
Will correct unit compressor power factors to a 0.90-
0.95 (Factory-Mounted).
20

ACCESSORIES AND OPTIONS

Control Options

Ambient Kit (Low)
Units will operate to 25°F (-4°C). This accessory in-
cludes all necessary components to permit chiller
operation to 0°F (-18°C). (This option includes the
Discharge Pressure Transducer / Readout Capability
option). For proper head pressure control in applica-
tions below 25°F (-4°C), where wind gusts may exceed
five mph, it is recommended that Optional Condenser
Louvered Enclosure Panels also be included (Factory-
Mounted).
Ambient Kit (High)
Required if units are to operate when the ambient tem-
perature is above 115°F (46°C). Includes discharge
pressure transducers. (This option includes the Dis-
charge Pressure Transducer / Readout Capability op-
tion) (Field-Mounted).
Building Automation System Interface
The factory addition of a Printed Circuit Board to ac-
cept a 4-20 milliamp, 0-10VDC or contact closure in-
put to reset the leaving chiller liquid temperature from
a Building Automation System. (Only one of following
options can be offered on a unit at a time: BAS, Remote
Control Panel or Multi-unit Sequence Control) (Facto-
ry-Mounted). (The standard unit capabilities include
remote start/stop, remote water temperature reset via a
PWM input signal or up to two steps of demand (load)
limiting depending on model). (The standard control
panel can be directly connected to a YORK Building
Automated System via the standard onboard RS485
communication port).
Language LCD and Keypad Display
Spanish, French, and German unit LCD controls and
keypad displays are available. Standard language is
English.
FORM 150.66-NM3
ISSUE DATE: 09/25/2020
JOHNSON CONTROLS

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