Rapid Engineering UHAM 150 Installation, operation & service manual - page 35
Manual is about: UHA-Series
Tubular Unit Heaters
of
72
SECTION 10: W
IRING
27 of 59
10.8 UHA[M][X][S] Series Ladder Diagram for Modulating Gas Valves
NOTE:
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 volts. For supply connections use No. 14 AWG or larger wires.