Mikrofill MIDI

Mid-range power with maximum performance. The Mikrofill MIDI is a versatile and high-performance pressurisation unit designed to maintain pressure in large domestic and light commercial sealed systems, including heating systems, chilled water systems, refrigeration units, and industrial cooling systems. Featuring continuously rated brass peripheral pumps, the MIDI ensures reliable operation with minimal maintenance.

Key features:

  • Suitable for sealed systems of up to 150,000 litres
  • Single (Duty) pump option
  • 3.5 bar cold fill pressure
  • Compact size, wall or floor mounting
product_warranty_2_year
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Specification

General
Warranty2 years
ApprovalsCE
Features
System capacityUp to 150,000 litres
MountingWall or floor mount
Pump control systemYes
Intelligent control interfaceYes
System fill modeYes
Dry run protectionYes
Typical noise60-62 dB(A)
Materials
Break tankPolyethylene
Front coverAcrylic capped ABS
Performance
Maximum fill pressure3.5-4.1 bar / 350-410 kPa
Maximum flow17-20 l/min
Maximum inlet pressure - tank fill valve7 bar / 700 kPa
Maximum working pressure6 bar
Ambient air temperatureMin 4°C / Max 40°C
Relative huMIDIty95 % non-condensing
Min./Max. water temperatureMin 4°C / Max 23°C
Water tank
Usable water capacity8 litres
Inlet valve and fill rateTorbeck (side entry) 12 l/min
Fluid categoryCAT 5 (type AB air gap with weir)
Connections
Cold water inlet15 mm compression x 600 mm flexible hose
Cold water outlet15 mm compression x 600 mm flexible hose
OverflowG ¾ (19 - 23 mm diameter pipe compression fitting)
Pump
Number of pumps1-2
Pump modeDuty / Duty-standby
Pump typePeripheral
Motor typeInduction, auto-reset thermal trip
Duty ratingContinuous (S1)
Pump head and impellerBrass
Electrical
Power supply (Vac/Ph/Hz)230 V a.c. / 1 / 50 Hz
Power consumption - P1380-545 Watts
Current - full load1.7-2.4 Amps
Fuse rating5 Amps
Power cable length1.5 metres (pre-wired)
Alarm outputMultiple
Physical
Enclosure protectionIPX4
Width415 mm
Depth270 mm
Height504 mm
Weight - including fittings13.4-19.4 Kg
Weight - filled23.4-29.4 Kg
GTIN 13 DIGIT5050400467212 / 5050400467236 / 5050400467229 / 5050400467243

Model Options

ModelPart No.Maximum fill pressureNo. of pumps
Mikrofill MIDI 135467213.5 bar / 350 kPa1
Mikrofill MIDI 150467234.1 bar / 410 kPa1
Mikrofill MIDI 235467223.5 bar / 350 kPa2
Mikrofill MIDI 250467244.1 bar / 410 kPa2

More Features

  • Digital control system and LCD graphic display
  • Automated system fill and top-up
  • Easy to install and set up
  • High flow, KIWA approved fill valve
  • Inlet and outlet configurable for left or right connection with flexible hoses (supplied)
  • Category 5 backflow protection, Type AB air gap, weir overflow and warning pipe
  • 2-year warranty

Thanks to its compact design, the Mikrofill MIDI can be wall or floor-mounted, making it exceptionally easy to install and commission. With a cold fill pressure of up to 4.1 bar and an 8-litre tank capacity, the unit is built to meet the demands of systems up to 150,000 litres.

The advanced digital control system and automated fill and top-up functions guarantee precise pressure management. Its high flow, KIWA-approved fill valve and flexible connection options add to its ease of use and efficiency.

Designed for consistent performance and built for durability, the Mikrofill MIDI is the ideal solution for both heating and cooling applications, providing seamless pressure control with minimal maintenance.