Fig 20 - Vsd Components - York YCAV0157 Installation Operation & Maintenance

TECHNICAL DATA
COOLING
FAN
CURRENT
TRANSFORMERS
SNUBBER
CAPS
(C7-C12)
1L LINE
BUS FILTER
INDUCTOR
CAPACITORS
(Behind Panel)
FIG. 20 - VSD COMPONENTS
144
COMPONENT LOCATIONS (CON'T)
CABINET
COOLING
COIL
HEATSINK
(Water Cooled)
(VSD LOGIC and
SCR Trigger Board
FAN
24 VAC Supply
CONTACTORS
Transformer)
4CR-9CR
1RES & 2RES
BUS CAPACITOR
BANK EQUALIZING/
BLEEDER
RESISTORS
FORM 201.21-NM1 (1223)
3T
BUS
ISOLATOR
BOARD
(Feeds VSD
Logic Board)
SCR
TRIGGER
BOARD
IGBT GATE
DRIVER
BOARDS
IGBT
MODULES
SCR/DIODE
MODULES
LD10586
JOHNSON CONTROLS