UHD L
OW
P
ROFILE
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
22 of 45
10.3 UHD[X][S] Series Internal Wiring Diagram
IMPORTANT:
For field wiring into service junction box, or if any of the original wire supplied with the heater
must be replaced, it must be replaced with wiring material having a temperature rating of at least 221° F
(105° C) and 600 V. For supply connections, use No. 14 AWG or larger wires.