Download EZT-430i - Environmental Test Chambers from Cincinnati Sub-Zero

Transcript
EZT-430i
2 Installation
The following two sections will explain how to install the EZT-430i control system. EZT-430i controllers are
pre-loaded with all operating software and firmware before leaving the factory, so it is ready to install when
you receive it. Refer to Section 2 for mounting information and Section 3 for power, signal and control wiring.
Before beginning installation, read through these sections to gain an understanding of the entire installation.
Consider the installation carefully. Plan the power, signal and control wiring before installing EZT-430i. Also
consider the cabinet space, hardware dimensions and environmental conditions. Use good wiring practices
to minimize problems that may occur due to electrical interference.
WARNING:
CAUTION:
2.1
•
To avoid potential electric shock and other hazards, all mounting and
wiring for EZT-430i must conform to the National Electric Code (NEC)
and other locally applicable codes.
•
Special expertise is required to install, wire, configure and operate the
EZT-430i controller. Personnel without such expertise should not
install, wire or operate EZT-430i.
•
Prevent metal fragments and pieces of wire from dropping inside the
housing of any EZT-430i component. If necessary, place a cover
over the components during installation and wiring. Ingress of such
fragments and chips may cause a fire hazard, damage or malfunction
of the device.
•
When handling the EZT-430i B42 series loop control boards, use
proper ESD (electro-static discharge) handling procedures to prevent
damage to board components.
•
Locate EZT-430i and all related control components away from AC
power/motor wiring and sources of direct heat output such as
transformers, heaters or large capacity resistors.
Enclosure Guidelines
EZT-430i must be installed correctly for reliable operation. The EZT-430i controller is designed for installation
within a suitable enclosure. Do not install EZT-430i outside of an enclosure. Care must be taken when
locating components to ensure that AC power wiring, contactors, starters, relays and other sources of
electrical interference are properly located to minimize their impact on the EZT-430i control system.
Particular note should be taken to the position of variable speed drives and switching power supplies. Their
input and load cables should be screened and properly grounded to a central equipment grounding point to
prevent radiated emissions from affecting EZT-430i operation.
Installation
EZT-430i
2.1