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SECTION 2 – PRODUCT DESCRIPTION
POWER OPTIONS
COMPRESSOR POWER CONNECTIONS
Single-point terminal block connection(s) are provided
as standard. The following power connections are avail-
able as options. (See electrical data for specific voltage
and options availability.) (Factory-mounted)
SINGLE-POINT SUPPLY TERMINAL BLOCK
Includes enclosure, terminal-block and intercon-
necting wiring to the compressors. Separate external
protection must be supplied, by others, in the incom-
ing compressor-power wiring. (Do not include this
option if either the Single-Point Non-Fused Discon-
nect Switch or Single-Point Circuit Breaker options
have been included.)
SINGLE-POINT NON-FUSED DISCONNECT
SWITCH
Unit-mounted disconnect switch (es) 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 NON-FUSED DISCONNECT
SWITCH WITH INDIVIDUAL SYSTEM
BREAKERS
Includes unit-mounted disconnect switch with ex-
ternal, lockable handles (in compliance with Article
440-14 of N.E.C.) to isolate unit power voltage for
servicing. Factory interconnecting wiring is provided
from the disconnect switch to factory supplied system
circuit breakers.
SINGLE-POINT CIRCUIT BREAKER
A unit mounted circuit breaker with external, lock-
able handle (in compliance with N.E.C. Article
440-14); can be supplied to isolate the power voltage
for servicing. (This option includes the Single-Point
Power connection.)
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)
20
ACCESSORIES AND OPTIONS
POWER FACTOR CORRECTION CAPACITORS
Will correct unit compressor power factors to a 0.90-
0.95. (Factory-mounted)
CONTROL OPTIONS
AMBIENT KIT (LOW)
Units will operate to -1°C (30.0°F). This accessory in-
cludes all necessary components to permit chiller opera-
tion to -18°C (0°F). (This option includes the Discharge
Pressure Transducer / Readout Capability option.) For
proper head pressure control in applications below -1°C
(30°F) where wind gusts may exceed 8 kph (5 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
temperature is above 46°C (115°F). Includes discharge
pressure transducers
LANGUAGE LCD AND KEYPAD DISPLAY
Spanish, French, German, and Italian unit LCD con-
trols and keypad display available. Standard language
is English.
COMPRESSOR, PIPING, EVAPORATOR
OPTIONS
LOW TEMPERATURE BRINE
Required for brine chilling below -1°C (30°F) leaving
brine temperature. Option includes resized thermal
expansion valve. (Factory-mounted)
CHICAGO CODE RELIEF VALVES
Unit will be provided with relief valves to meet Chicago
code requirements. (Factory-mounted)
SERVICE ISOLATION VALVE
Service suction and discharge (ball type) isolation valves
are added to unit per system (discharge service ball-type
isolation valve is standard on each circuit).
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
JOHNSON CONTROLS
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