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Resol - Model DeltaSol AL E HE - Solar Controller
FromResol GmbH
The DeltaSol AL E HE controller is especially designed for standard solar systems with a high-efficiency pump and an electric backup heating. It is equipped with a PWM output and two high-current relays to which an electric immersion heater of up to 3 kW (230 V~) can be connected. The heater can be directly connected to the controller without the need of auxiliary relays. For data communication, the controller has a RESOL VBus.
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- Direct connection of an electric immersion heater up to 3 kW (230 V~)
- DHW heating with rapid heat-up and thermal disinfection
- Time and temperature control of the electric backup heating
- Solar backup heating suppression
- Heat quantity measurement via VFD Grundfos Direct Sensor™
- PWM output for the speed control of a high-efficiency pump
- Quick access to the holiday and the manual modes
- Status display for a bidirectional HE pump
- Drainback option and tube collector function
- Commissioning menu
- Inputs: for 4 Pt1000 temperature sensors, thereof 1 x RCTT, 1 x Grundfos Direct Sensor™ VFD, 1 x PWM feedback
- Outputs: 1 semiconductor relay, 2 high-current relays for electric immersion heater, 1 PWM output
- PWM frequency: 512 Hz
- PWM voltage: 10 V
- Switching capacity:
- 1 (1) A 240 V~ (semiconductor relay)
- 14 (3) A 240 V~ / 24 V? (high-current relay, potential-free)
- Power supply: 100 – 240 V~ (50 – 60 Hz)
- Supply connection: type X attachment
- Standby: 0.67 W
- Temperature controls class: I
- Energy efficiency contribution: 1 %
- Mode of operation: type 1.B.Y action
- Rated impulse voltage: 2.5 kV
- Data interface: RESOL VBus®
- VBus® current supply: 35 mA
- Functions: function control, operating hours counter, tube collector function, heat quantity measurement, time-controlled thermostat function, DHW heating with rapid heat-up, thermal disinfection, holiday mode and backup heating suppression
- Housing: plastic, PC-ABS and PMMA
- Mounting: wall mounting, mounting into patch panels is possible
- Indication/Display: System-Monitoring-Display for visualisation, 16-segment display, 7-segment display, 8 symbols for system states, background illumination and operating control LED
- Operation: 3 push buttons and 1 slide switch at the front of the housing
- Ingress protection: IP 20 / DIN EN 60529
- Protection class: I
- Ambient temperature: 0 ... 40 °C
- Pollution degree: 2
- Dimensions: 144 x 208 x 43 mm
- Maximum altitude: 2000 m above MSL
- Fuse: T2A