Energy Guide

Page 32 of 104 Report No.: HK2107050725-SR
UL 507
Clause Requirement + Test Result - Remark Verdict
TRF No. UL507A
22.9 A bobbin-wound skeleton motor used in a ceiling-
insert fan, wall-insert fan, or rangehood must
comply with the following requirements:
a)The motor is to be provided with a coil wrap
meeting the 5VA flammability requirements as
defined by the Standard for Polymeric Materials –
Use in Electrical Equipment Evaluations, UL 746C;
b)The coil is to be completely wrapped with
insulation at least 0.8 mm (1/32 inch) thick. This
wrap is to employ at least two layers of insulation of
minimum 0.4 mm (1/64 inch) thick;
c)The adhesive used to secure the coil wrap shall
comply with the requirements for adhesives in the
Standard for Polymeric Materials – Use in
Electrical Equipment Evaluations, UL 746C, as
follows:
P
23 Motor Protection P
23.1 Over-temperature protection shall be provided for
the motor of an appliance by one of the following:
a)Thermal protection complying with the applicable
requirements in the Standard for Thermally
Protected Motors, UL 1004-3. The Running
Heating Temperature Test shall be applied to belt-
driven fan motors.
b)Impedance protection complying with the
Standard for Impedance Protected Motors, UL
1004-2.
c)Electronic Protection complying with the
Standard for Electronically Protected Motors, UL
1004-
7.The Running Heating Temperature Test shall be
applied to belt-driven fan motors.
P
23.2 When a multispeed motor is provided with
protection in accordance with these requirements,
the protection shall accomplish the intended result
at each setting of the speed-control device.
N/A