E-Clipse Bypass Configurations for ACH550 Drives 5
Installation
Installation
Study these installation instructions carefully before proceeding. Failure to observe
the warnings and instructions may cause a malfunction or personal hazard.
WARNING! Before you begin read "Safety" on page 1.
WARNING! When the ACH550 with E-Clipse Bypass is connected to the line
power, the Motor Terminals T1, T2, and T3 are live even if the motor is not
running. Do not make any connections when the ACH550 with E-Clipse
Bypass is connected to the line. Disconnect and lock out power to the drive
before servicing the drive. Failure to disconnect power may cause serious
injury or death.
Application
This manual is a supplement to the ACH550-UH User’s Manual and documents
E-Clipse Bypass configurations.
E-Clipse Bypass Features and Functions
The ACH550 with E-Clipse Bypass is an ACH550 AC adjustable frequency drive in
an integrated UL type 1, UL type 12 or UL type 3R package with a bypass motor
starter. The ACH550 with E-Clipse Bypass provides:
• Disconnect switch or circuit breaker with door mounted control lever. The lever
can be padlocked in the OFF position (padlock not supplied).
• Bypass starter.
• Motor overload protection.
• Local operator panel with indicating lights and multifunction display.
• Provisions for external control connections.
• Embedded communications for major BMS protocols including BACnet, Johnson
Controls International N2, Siemens Building Technologies FLN, and Modbus
• Optional fieldbus adaptors for connection to additional BMS protocols including
LonWorks and Ethernet
• Optional drive service switch (drive input disconnect), the functional equivalent of
a three-contactor bypass arrangement.
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