Carrier 30GB060 - Manual (Page 16)

Guide specifications (cont)
7.4 Electronic ground current sensing device shall be
available as accessory for each compressor to
monitor the compressor 3-phase power supply. It
shall be activated when no more than 2.5 amps is
measured to ground and shall deactivate the
compressor to prevent formation of compressor
contaminants.
8. ELECTRICAL REQUIREMENTS
8.1 Unit primary electrical power supply shall be
connected at a single location on unit.
8.2 Unit shall be capable of operation on. . volt,
3-phase, 60 cycle supply. Control voltage shall be
provided by a separate single-phase power supply
_______ V.
The unit (LRA) ICF shall not exceed
_____ amps.
8.3 Each compressor motor shall be operated and
protected against electrical overload by means of
definite-purpose contactors and calibrated, ambient-
compensated, magnetic-trip circuit breakers. The
circuit breakers shall open all 3 phases in the event
of overload in any one phase, single phasing or
phase reversal and shall be manually reset.
8.4 Electrical requirements for unit for sizing of wiring
and overcurrent protection devices shall be selected
to allow unit operation at ARI Standard 590, Section
8.1. Maximum Loading Conditions (115 F ambient
temperature at 10% under voltage).
9. WARRANTY
9.1 The manufacturer shall provide a one-year parts
warranty on the compressors (with optional 4-year
extension) and a one-year parts warranty on other
unit components.
Specifiers note — Application of 30GB outdoor chillers
for brine duty within the 39.9 F to 34 F (4.4 C to 1°C)
range is possible with proper field change of control
configuration. Application in the range 34 F to 15 F (1°C to
-9.4 C) requires 30GB unit with factory modification.
Carrier Corporation • Syracuse, New York 13221 2-87
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs
without notice and without incurring obligations.
Book|2 Form 30GB-1APD Printed in U S.A PC 111 Catalog No 523-002
Tab Isc
UNITED
TECHNOLOGIES
CARRIER