Wiring Instructions - Field Controls 46261200 Instruction Sheet

WIRING INSTRUCTIONS

Wire the CAS unit in accordance with the National Electric Code and applicable local codes. UNIT
MUST BE GROUNDED. Check the ground circuit to make certain that the unit has been properly
grounded. The wiring should be protected by an over-current circuit device rated at 15 amperes.
CAUTION must be taken to ensure that the wiring does not come in contact with any heat source. All
line voltage and control circuits between the CAS unit and the appliance MUST be wired in
accordance with the National Electrical Code for Class I wiring or equivalent.
Remove the wiring access cover to access the wiring terminals. Use the enclosed conduit
connector(s) to route the appropriate wires through the CAS housing. The incoming ground wire must
be attached to the green colored ground screw near the wire terminals. The following sections
describe the most common applications. The references to various series of control kits implies that
any kit in that series may be used. If further information or additional wiring diagrams are needed
please consult Field Controls' technical support.
I W C
NTERNAL IRING ONNECTIONS FOR THE
Refer to Figure 4 for the internal wiring of the CAS-3
unit.
Wire Key
M M
OTOR ANUFACTURER
McLean Engineering
All Others
E W C
XTERNAL IRING ONNECTIONS
Refer to Figures 5-9 for appropriate wiring method.
CAS U
NIT
W C
IRE OLOR
W1 W2 W3
Black Blue Brown
Brown Black Blue
Figure 5 – Chimney Vent Single Oil Fired System
Page 6
Figure 4