31
VAPORSTREAM INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
INSTALLATION
Wiring:
Incoming power conduit penetration,
hole size determined by humidifi er
load, volts, and phase
Cabinet door hinge
Heater wire connection. Hole size
determined by amp draw. Check
governing codes
Low voltage conduit
penetration
Allow minimum of 36"
(914 mm) from front
for cabinet access
VLC-OM-028
CONTROL CABINET
The length of wire from the control cabinet to the humidifi er must not exceed
50' (15 m).
The left side of the control cabinet is the control circuit side, and the right side
is the power circuit side. Place conduit connection holes in the control cabinet
so that the control and power wire routing is limited to their respective sides of
the control cabinet.
Control wiring and power wiring must be run in ded i cat ed or separated
earthed metal conduit, cable trays, or trunking.
The control cabinet should be mounted in a location convenient for service with
a minimum of 36" (914 mm) clearance in front of the door.
The installer is responsible for making electrical connections at the power
block, contactors, and heater lugs. Torque requirements for power block lugs
are identifi ed on the side of the power block.
FIGURE 31-1: CONTROL CABINET PENETRATIONS
Overview