Technical data

SHR 521 20
© Drayton 06334 SHR 521 20.monen.indd
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• Backlit multifunction display
to monitor solar thermal sys-
tems
• Up to 4 Pt1000 temperature
sensors
• Heat balancing
• Stylish, easy-to-install housing
• Simple 3-button operation
• Solar operating hours counter
and thermostat function
Technical data
Housing:
plastic, PC-ABS and PMMA
Protection type: IP 20 / DIN 40050
Ambient temp.: 0 ... 40 °C
Size: 172 x 110 x 46 mm
Mounting: wall mounting, panels
mounting is possible
Display: System screen for sys-
tem visualisation, 16-segment display,
7-segment display, 8 symbols for system
status and operating control lamp
Operation: by 3 pushbuttons on the
front of the housing
Functions: Temperature differential
controller with optional system func-
tions. System monitoring according
to BAW-guidelines, operating hours
counter for solar pump, tube collector
special function, as well as heat quan-
tity balancing.
Inputs: for 4 Pt1000 temperature
sensors
Outputs: depending on version, see
section „controller versions“
Power supply:
220 ... 240 V~
Switching Capacity:
4 (2) A 220 ... 240 V~
Mode of operation:
Typ 1.b
Breaking capacity per relay:
electromechanical relay:
4 (2) A 220 ... 240 V~
Parts included:
1 x SHR 521 20
1 x accessory bag
1 x spare fuse T4A
2 x screws and wall plugs
4 x cable clamps and screws
Additionally enclosed in the full kit:
1 x sensor FKP6
1 x sensor FRP6