Accessories
94 Rev. B4 Feb 2015 CS210
10.8 Internal Heater
The internal heater is for the use in the system connection box for ambient temperatures below 0°C
(32°F).
The surface temperatures on the accessible side surfaces of the housing are kept down as a result of
the heater design. The heater comes with plug-in thermostat and is designed for permanent operation.
Technical data:
Voltage 100 to 240 VAC
Heating capacity max. 50 W (170 BTU/hour)
Wiring cable diameter max. 2.5 mm² (AWG 14)
Mounting DIN rail
Fitting position vertical
Operating temperature -20 to 70°C (-4 to 158°F)
Storage temperature -45 to 70°C (-49 to 158°F)
Figure 91: Internal Heater (left: photo, right: connection)
For more detailed information see section 13.4 System Connection Box Wiring, page 117.
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