Instruction manual
Page 53 of 100 Report No. 255837
TRF No. IEC60335_2_40F
IEC 60335-2-40
Clause Requirement – Test Result Verdict
Thread-cutting (self-tapping) screws and thread
rolling screws only used for electrical connections if
they generate a full form standard machine screw
thread (IEC 60335-1/A2)
N/A
However, thread-cutting (self-tapping) screws not
used if they likely to be operated by user or installer
(IEC 60335-1/A2)
Not intended to be operated by
users.
N/A
Thread-cutting, thread rolling and space threaded screws may be used in connections
providing earthing continuity provided it is not necessary to disturb connection
(IEC 60335-1/A2):
—
- in normal use (IEC 60335-1/A2),
P
- during user maintenance (IEC 60335-1/A2),
P
- when replacing a supply cord having a type X
attachment, or (IEC 60335-1/A2)
Type Y attachment. N/A
- during installation (IEC 60335-1/A2)
P
At least two screws being used for each connection
providing earthing continuity, unless
(IEC 60335-1/A2)
Used not less than two screws.
P
screw forms a thread having a length of at least half
diameter of screw (IEC 60335-1/A2)
N/A
28.4
Screws and nuts that make mechanical connection
secured against loosening if they also make
electrical connections or connections providing
earthing continuity
Spring washers are provided
against loosing for the earthing
connection.
P
Rivets for electrical connections or connections
providing earthing continuity secured against
loosening if subjected to torsion
No rivets. N/A
29 CLEARANCES, CREEPAGE DISTANCES AND SOLID INSULATION
—
Clearances, creepage distances and solid insulation
withstand electrical stress
Adequate to withstand
electrical stresses.
P
Coatings used on printed circuits boards to protect
microenvironment (Type 1 coating) or
(IEC 60335-1/A2)
No coatings on PCBs. N/A
to provide basic insulation (Type 2 coating), annex J
applies (IEC 60335-1/A2)
N/A
Microenvironment is pollution degree 1 under Type 1
coating (IEC 60335-1/A2)
N/A
No clearance or creepage distance requirements
under Type 2 coating (IEC 60335-1/A2)
N/A
For motor-compressor complies with
IEC 60335-2-34, parts related not checked
(IEC 60335-2-40)
Not checked in the appliance. N/A