Cistern fill lever indicator with built-in control output

Cistern fill lever indicator with built-in control output

The RAINMASTER D 24 is a fill level indicator for water tanks of a depth up to 3 m It can be mounted in a convenient viewing place in the house and is a good addition for the RAINMASTER Favorit rainwater system. For rainwater systems using a submersible pump, the Rainmaster D automatically operates a magnetic valve, controlling the supply of mains water top-up to the tank, should the rainwater level in the tank run low. On activation,  the mains water is passed through a so-called "air gap", as per DIN EN1717 regulations, and from there to the tankvia a pipe.

Automatic calibration

  • Automatic calibration

The fill status is measured, via means of capacitance, by a sturdy PTFE Sensor cable. This is hung from the top of the tank. The setting of the respective tank water height (top and bottom) levels is done via digital calibration using two buttons on the main unit. The switching range for supplemental mains water supply by a magentic valve is  at approx. 2.5 % of the measuring range, so that the flow of mains water is only activated when required. The mains water inlet supply is time-monitored, so that any possible malfunction is prevented. A further  automatic protection switch prevents the calcification of valves by regularly opening the valves, for a few seconds at a time, to clear any build-up. 

Installation with system

The fill status is measured, via means of capacitance, by a sturdy PTFE Sensor cable. This is hung from the top of the tank.

Installation with system
S: Bottom distance of the weight (approx. 5-10 cm)
A: Distance of the 0% level from the sensor cable end
B: Display range 0-100%
C: Min. 20 cm safety distance from the max.water level
D: Safety distance from the inlet to the 0% level of min. 10 cm

Technical data

Display unit  
Clear LED display from 0 bis 100 %  
LED display of supplement supply point  
Supplemental supply point can be adjusted to any height  
Mains connection: 110-230 V AC / 50-60 Hz (Switchable power supply)
Operating voltage: 24 V DC
Controller housing (H x W x D): 125 x 67 x 35 mm
Valve outlet: 24 V DC / max. 15 W
Control cable line: 20 m (up to 80m extendable), ∅ 6 mm / 3 x 0,5 mm²
Senso unit  
Sensor housing (∅ x H): 90 x 57 mm
Operating voltage: 15 V DC
Length of sensor cable: 3 m (shorten up to 1.2 m is permissible)

Downloads

RMD_24_Manual_Vers.2.2_en.pdf

RMD-24 User Manual

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