SLOKOV SL ELEKTRO 23

Product detailed description

Wall-mounted electric boiler SLOKOV SL ELEKTRO 23

Wall-mounted electric boiler – output 22.5 kW.

Features:

• The main part of the SL ELEKTRO boiler is a welded steel heat exchanger, fitted with one to four heating elements with a rated input of 3 and 7.5 kW.
• The boiler body is fitted with NOBASIL LSP thermal insulation and the entire boiler is enclosed in a sheet metal casing with a powder-coated surface finish
• The inlets and outlets for heating and supply water, including the electrical connection, are located at the bottom of the boiler
• The protection rating is IP 20
• Designed for heating heating water with forced circulation in central or floor-by-floor heating systems up to a water overpressure of 2.5 bar
• Allows DHW heating via an installed indirect-heating water tank

The boilers are fitted with:

• A UPSO 15-55 type circulation pump from GRUNDFOS
• A pressure expansion vessel from Zilmet
• A SLOKOV control unit
• Other regulating, control and safety components

Technical parameters:

• Rated heat output: 22.5 kW
• Rated current: 3 x 33 A    
• Voltage: 3/N/PE ~ 400 V /50 Hz
• Rated current: max. 3x40 A
• Main electrical circuit breaker: 3x40 A
• Supply cable (CYKY): 6 mm2
• Min. operating overpressure of the heating system: 0.4 bar
• Max. operating overpressure of the heating system: 2.5 bar
• Max. water temperature: 90°C
• Recommended max. water temperature: 80°C
• Emergency temperature: 105°C (95**)
• Water inlet, outlet: G 3/4“ external
• Environment type: Normal AA5, AB5
• Ambient temperature: 0 ÷ 40 °C    
• Storage, transport temperature: -30 ÷ +70 °C
• Electromagnetic compatibility: EN 55014, EN 50082-1
• Humidity: 0 ~ 90 % without condensation
• Expansion vessel: 8 l
• Boiler water volume: 10 l
• Width: 440 mm     
• Height: 820 mm     
• Depth: 225 mm     
• Boiler weight: 36.5 kg
• Number of heating elements: 3

**: applies to systems with an open expansion vessel; for these systems the emergency thermostat must be set to 95°C