ABB ACS320 series Panduan Tambahan - Halaman 2

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Halaman Cetak

PRODUCT INFO

ABOUT ABB VFDS

PLANNING

YOUR INSTALLATION

RENEWAIRE.COM

ABB VFD SUPPLEMENTAL MANUAL

ABB VARIABLE FREQUENCY DRIVES

ABB ACS320 VFDs are generally supplied in indoor ERVs and ABB ACS355+N831 VFDs in roof top ERVs.

Both models have built in BACnet

low ambient ﬁ rmware that extends the lower starting temperature limit to -25°F.

FOR COMPLETE ERV INSTALLATION YOU WILL ALSO NEED:

• Standard Installation and Operation Manual for the ERV – physical installation and duct connection,

maintenance procedures, etc.

• Supplemental Wiring Schematic Manual – complete unit wiring diagrams.

• User's Manual ACS320 Drives or Users Manual ACS355 Drives – ABB's user's/installer's manual.

More detailed information is available online in the Document Library at www.abb.com/drives.

RISK OF FIRE, ELECTRIC SHOCK, OR INJURY. OBSERVE ALL CODES AND THE FOLLOWING:

1. Before servicing or cleaning the unit, switch

power off at disconnect switch or service panel

and lock-out/tag-out to prevent power from

being switched on accidentally. More than one

disconnect switch may be required to

de-energize the equipment for servicing.

2. This installation manual shows the suggested

installation method. Additional measures may

be required by local codes and standards.

3. Installation work and electrical wiring must be

done by qualiﬁ ed professional(s) in accordance

with all applicable codes, standards and

licensing requirements.

4. Any structural alterations necessary for

installation must comply with all applicable

building, health, and safety code requirements.

NOTE: VFD(s) in this unit can be operated in many ways. This Manual provides only an outline of common methods.

DO NOT OPERATE VFD IN CONDITIONS OUTSIDE OF TEMPERATURE LIMITS. The manufacturer's normal

ambient temperature limits for ACS320 VFDs are 14°F to 122°F. RenewAire has worked with the manufacturer

to implement low-ambient-start ﬁ rmware for the ACS355+N831 that extends the lower temperature

limit for starting the VFD down to -25°F, which has been validated by manufacturer and RenewAire testing.

The manufacturer recommends that the VFD not be operated for prolonged periods at temperatures below

14°F to ensure longevity of the VFD. RenewAire commercial ERVs are VFD ready, in extreme climates

consider ﬁ eld installing VFDs in a climate controlled indoor electrical cabinet.

1.800.627.4499

building communication protocol and the ACS355+N831 also has

WARNING

5. This unit must be grounded.

6. Use the unit only in the manner intended by the

manufacturer. If you have questions, contact

the manufacturer.

7. When cutting or drilling into unit, wall or

ceiling, do not damage electrical wiring and

other hidden utilities.

8. Do not re-wire the VFD(s) to control more than

one motor per VFD.

9. Do not operate the motors in this unit above

the motor's rated full load amps (FLA) as

indicated on the unit's nameplate.

WARNING