Installation Location - Siemens SIPLUS HCS Operating Instructions Manual

4.4

Installation location

Installation location requirements
Note
Installation in control cabinet/device connection box
The SIPLUS HCS4300 heating control system is intended for installation in a control cabinet
or a device connection box.
• In these cases, only the LEDs on the front of the device will remain visible during
commissioning. Please take this into consideration for subsequent operation of the
device.
• The control cabinet / device connection box must satisfy the regulations regarding fire-
protection housing.
• Ensure that all cables and leads that protrude externally are equipped with adequate
strain relief.
Mounting position and clearance dimensions
NOTICE
Damage due to overheating
You must comply with all the instructions regarding the installation location and mounting
position. Otherwise the device may malfunction or suffer permanent damage as a result of
overheating.
● The device is to be installed and operated in a vertical position.
● Ensure that the permissible ambient temperature range is not exceeded (see Section
Technical data (Page 121)).
● Maintain the minimum clearances from walls and other devices:
– Sides 0 mm (side-by-side mounting permitted), top 100 mm, bottom 100 mm for
Degree of pollution
SIPLUS HCS4300 is designed for pollution degree 2. According to the EN 50178 standard,
pollution degree 2 is non-conductive pollution under normal circumstances, which can,
however, become temporarily conductive as a result of condensation when the device is not
in service.
SIPLUS HCS4300
Operating Instructions, 11/2015, A5E35452705A/002
ventilation
Application planning
4.4 Installation location
29