SECTION 2 - PRODUCT DESCRIPTION
QUANTECH
21
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
2
Terminal Block [not available for CE marked
units] Terminal Block connections shall be provided
at the point of incoming single point connection for
field connection and interconnecting wiring to the
compressors. Separate external protection must be
supplied, by others, in the incoming power wiring,
which must comply with local codes.
Circuit Breaker – A unit-mounted circuit breaker with
external lockable handle will be supplied to isolate the
single point power voltage for servicing. The circuit
breaker is sized to provide motor branch circuit protec-
tion, short circuit protection and ground fault protec-
tion for the motor branch-circuit conductors, the motor
control apparatus and the motors.
Non-Fused Disconnect Switch – Unit-mounted
disconnect switch with external lockable handle can be
supplied to isolate the unit power voltage for servicing.
Separate external fusing must be supplied by the power
wiring, which must comply with local codes.
Vibration Isolation
Elastomeric Isolation – This option is recommend-
ed for normal installations. It provides very good
performance in most applications for the least cost.
Field mounted.
25 mm (1") Spring Isolators – Spring and cage type
isolators for mounting under the unit base rails are
available to support unit. They are level adjustable.
25 mm (1") nominal deflection may vary slightly by
application. Field mounted.
50 mm (2") Restrained Spring Isolators – Restrained
Spring-Flex Mounting isolators incorporate a rugged
welded steel housing with vertical and horizontal limit
stops. Housings designed to withstand a minimum 1.0g
accelerated force in all directions up to 51 mm (2").
The deflection may vary slightly by application. They
are level adjustable. Field mounted.
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