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Engineered air DG series Manual de usuario Pagina 11

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A SH / S-TRAC MANUAL
11 of 29 Feb 06
PIPING, ELECTRICAL OR CONTROL SERVICE CONNECTIONS
DO NOT install anything that will interfere with equipment access or the rating plate.
Engineered Air equipment is constructed with cabinet and floors designed to prevent water from entering
the building through the installed unit. When ordered, factory installed pipe chases and/or electrical chases
are built into the unit floor. Factory chases are provided with covers that need to be replaced and sealed
after piping and electrical connections are made.
THE FLOOR OF THE UNIT HAS BEEN MADE WATER-RESISTANT. DO NOT CUT OR DRILL HOLES
IN THE FLOOR OR USE PENETRATING FASTENERS.
All penetrations through the unit walls must be caulked and sealed to prevent air and/or water from
entering the unit.
ELECTRICAL INSTALLATION
DO NOT install anything that will interfere with equipment access or the rating plate.
The unit must be electrically grounded and all wiring must be installed in accordance with the National
Electrical Code, ANSI/NFPA 70, and/or the Canadian Electric Code CSA 22-1 and to the approval of the
authorities having jurisdiction. THE FLOOR OF THE UNIT HAS BEEN MADE WATER-RESISTANT. DO
NOT CUT OR DRILL HOLES IN THE FLOOR OR USE PENETRATING FASTENERS. Field wiring
diagrams, internal wiring diagrams and operating functions are included in the control cabinet. The power
requirements are indicated on the rating plate. Where field wiring of control circuits is required, take care to
size the field wiring for a maximum 10% voltage drop. The control circuit ampacity is noted on the field
wiring diagram. See the field wiring diagram for requirements for shielded or twisted pair wire for solid state
devices.
Warning:
m
No unspecified external load shall be added to the control transformer
circuit(s) or to the main power circuit(s).
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