MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company Cautions, Front Cover & Digital Operator Removal
CAUTION
Location of equipment is important to achieve proper performance and normal operating life. The MA7200
PLUS inverter should be installed in area meeting the following conditions.
Ambient temperature: +14 to 104
o
F, (-10 to 40
o
C).
The location is protected from rain, moisture and direct sunlight.
The location is free from harmful mists, gases, liquids, airborne dusts and metallic particles.
The location is free from vibration and electromagnetic noise. (i.e. welding machines, power units, etc…)
When mounting multiple units in a common enclosure, install a cooling fan or some other means to
maintain the enclosure temperature below 104
o
F (+40
o
C).
1.3 Removing the Front Cover and Digital Operator
CAUTION
Before making any wiring connections to the MA7200 PLUS, the front cover needs to be removed.
For models 230V, 1-25HP; 460V, 1-30HP and 575V 1-10HP: (Plastic cover) -The Digital Operator must
be disassembled first before disassembling the front cover. After completing the wiring connection, assemble
front cover first then the Digital Operator.
For models 230V, 30HP&40HP and 460V, 40- 75HP: (Metal cover)- The front cover can be removed for
wiring connection without disassembling the Digital Operator. Reinstall the front cover after completing
the wiring.
The procedure for disassembly / assembly for the MA7200 PLUS inverter will be dependent on the model as follows:
(A) 230V: 1-2HP and 460V: 1-2HP
MA7200-2001-N1
MA7200-4001-N1
MA7200-2002-N1
MA7200-4002-N1
■
Removing the front cover and Digital Operator:
Remove the two screws a and b on the front cover and
remove. Next, remove the screws c and d on the Digital
Operator and carefully pull upward enough to expose the
connecting cable. Disconnect the RS-232 cable on the
backside of the Digital Operator and remove the Digital
Operator.
■
Attaching the front cover and Digital Operator:
Carefully connect the RS-232 cable connector to the
back of the Digital Operator, place it on the inverter
housing and secure with screws c and d. Insert the tabs
of the upper part of front cover into the groove of the
inverter housing and secure with screws a and b.
LCD Digital
Operator
Front Cover
a
b
d
c
RS-232
Cable
Connector
Cont.