Typical Specifi Cation Phrases And Inclusions - Rehau STAR 20 Installation Manuallines

9.
Floor Heating
Zone Control
All main UFH controllers to be capable of accepting 6 zones with up to
four actuators per zone.
Thermal Actuators
All control valve actuators shall be of electric/electronic type with
direct coupling. The actuators shall have automatic self adjustment to
compensate for any variation in valve stroke to ensure reaching of full
open or tight close-off positions.
The valve actuator shall be provided with valve position indicator for
indication of stroke position for easy determination of valve position
during trouble shooting. Valve actuators offered shall be of compact
size and suitable for multi-pose mounting to overcome mounting
diffi culties in confi ned areas.
Article number 237092 shown
28
TYPICAL SPECIFICATION PHRASES
AND INCLUSIONS
System Check
All main UFH controllers have a feature that enables the installer
to individually test and prove each output and call function.
In Normal operation system must have the status identifi ed.
- Power on light
- Call light on each zone
- Pump on indication
- Boiler on indication
- Night set back mode
Precise Control of Room Temperature
All zone control to have Pulse width modulating function to enable
rapid and stable control of room temperature.
Valves and Actuators
REHAU recommend the use of compact mixers in domestic application
as this can satisfy the requirements of BS1264 and allows preset
control over the fl ow into the fl oor including high limit control
This is considered as fi xed fl ow temperature i.e. One fl ow temperature
will be provided throughout the year switched off or on