
51
The VFD keypad display will also indicate an “External Fault”. VFD input 3 is closed via the NO overload relay contact
(97-98) (see schematic). The VFD keypad fault LED will be on.
The overload can only be reset by removing main power and opening the enclosure door or removing the cover and
then pressing the reset button on the OL relay. The overload relay is set for manual reset operation; Auto reset is not
used or recommended.
THE BYPASS DESIGN HAVE AN OPTIONAL VFD-OFF-BYP SWITCH LOCATED ON THE COVER OR DOOR OF
THE UNIT. IF THE SWITCH IS LEFT IN THE BYPASS POSITION, THE MOTOR WILL AUTOMATICALLY RESTART
IN BYPASS AS SOON AS POWER IS REAPPLIED AFTER THE OVERLOAD RELAY HAS BEEN RESET.
IT IS
RECOMMENDED THAT THE VFD-OFF-BYP SWITCH BE MOVED TO THE OFF POSITION BEFORE
REAPPLYING POWER
Содержание EVH Series
Страница 1: ...Copeland Commercial HVACR Variable Frequency Drive EVH Series Installation Manual ...
Страница 5: ...5 Rating Label Carton Label Keypad Button Overview ...
Страница 13: ...13 Rubber Grommet Installation Instructions Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 ...
Страница 31: ...31 Step 3 Control Board Layout ...
Страница 37: ...37 H1 H1S Approximate dimensions in inches mm ...
Страница 38: ...38 H2 H2S Approximate dimensions in inches mm ...
Страница 39: ...39 H3 H3X IP54 Approximate dimensions in inches mm ...
Страница 40: ...40 H4 CX IP54 Approximate dimensions in inches mm ...
Страница 41: ...41 DX IP21 DX IP54 Approximate dimensions in inches mm ...
Страница 44: ...44 ...
Страница 45: ...45 ...