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CYLINDER THERMOSTATS
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Installation
The L6190 and L641 can be
installed horizontally or vertically.
The Cylinder Thermostats can be fixed
to the surface of a cylinder or
pipework using the mounting straps
provided and does not require the
system to be drained.
If located on a cylinder, the
recommended position is
the bottom of the cylinder. Any foam
lagging should be removed to allow
firm contact with the cylinder.
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Ordering Specification
L641A1039
Cylinder Thermostat, setting 40 to
80˚C, Diff. 10°C. With strap & optional
dial
L6190B1014
Cylinder Thermostat, setting 25 to
95˚C, Diff. 12°C with strap
© Honeywell Control Products and Systems, Issue 10, 4.18
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Specification
L641B
Switch Rating
Switch Type
Ambient Temperature Range
Surface Temperature Range
IP Rating
Standards
1
/
up from
3
Approvals
L6190B
Switch Rating
Switch Type
Ambient Temperature Range
Surface Temperature Range
IP Rating
Standards
Approvals
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Dimensions (mm)
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Wiring
Terminals C and 2 make on
Terminals C and 1 make on
: 230VAC, 4A resistive, 2A inductive
: Single pole, double throw (SPDT)
: 0 to 55˚C
: 0 to 95˚C
: IP40
: EN 60730
: 89/336/EEC, 73/23/EEC
: 250VAC, 10A resistive, 2.5A inductive
: Single pole, double throw (SPDT)
: 0 to 70˚C
: 0 to 95˚C
: IP40
: CE, UL, AGA, CSA
: 73/23/EEC, DIN3440
1
2
C
temperature rise.
temperature fall.
L641A/L6190B
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