Mikrofill MAXI AP

The ultimate pressurisation solution for high-capacity systems. The Mikrofill MAXI AP represents the pinnacle of pressurisation technology, meticulously engineered to meet the demands of large domestic, commercial, and industrial applications. Designed with precision, it seamlessly maintains pressure in sealed heating systems, chilled water systems, refrigeration units, and industrial cooling setups.

Key features:

  • Suitable for sealed systems of up to 300,000 litres
  • 4 programmable BMS volt-free relays
  • Modbus RTU BMS interface
  • Precise pressure control
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Specification

General
Warranty2 Years
Conformity certificationUKCA | CE
Features
MountingFloor-mounted
Sealed system capacityUp to 300,000 litres
Pump control system
Intelligent control interface
Dry run protection
Materials
Break tankPolyethylene
CasingPowder-coated steel
Performance
Maximum cold fill pressure3.9 bar (flow rate 2.5 l/min) / 8.0 bar (flow rate 2.5 l/min)
Flow rate (maximum per pump)16.5 l/min (at 1.5 bar)
Flow rate (nominal per pump)11 l/min (at 3 bar) / 6 l/min (at 6 bar)
Ambient air temperatureMin 4°C/Max 40°C
Relative huMIDIty95 % non-condensing
Inlet water temperatureMin 10°C/Max 23°C
Water tank
Usable water capacity18 litres
Inlet valve and fill rateFloat valve
Fluid categoryCAT 5 (type AB air gap with weir)
Connections
Cold water inlet½” BSP M
System outlet22 mm Compression
Pump
Number of pumps2
Pump modeDuty / Duty-standby
Pump typePeripheral
Motor typeInduction, auto-reset thermal trip
Duty ratingContinuous (S1)
Pump head and impellerBronze
Electrical
Power supply (V / Ph / Hz)230 V AC/1/50 Hz
Power consumption (standby)21 Watts
Power consumption (Filling)620-1400 Watts
Current - full load4.6-8.4 amp
Fuse rating5 amps
Alarm output
Maximum load BMS relays5 amps
Physical 
Enclosure protectionIP55
Width505mm
Depth405mm
Height (not including feet)805mm
NET Weight38-54kg

Model Options

ModelPart No.
Mikrofill MAXI AP 14047721
Mikrofill MAXI AP 24047722
Mikrofill MAXI AP 18047723
Mikrofill MAXI AP 28047724
Mikrofill MAXI AP 140 RH47730
Mikrofill MAXI AP 180 RH47732
Mikrofill MAXI AP 240 RH47731
Mikrofill MAXI AP 280 RH47733

More Features

  • Digital control system and LCD graphic display
  • Ai100 technology offers unparalleled control and integration for modern systems
  • Full status indication
  • Sturdy powder-coated steel casing
  • High-quality peripheral pump(s)
  • Available up to 3.9 – 8.0 bar cold fill pressure
  • All models are enhanced and are fully compatible with Building Management Systems
  • Self-diagnostic electronics
  • Designed and built to the latest CE requirements and in accordance with
  • ISO9001
  • Leak detection via the frequency of start alarm
  • Suitable for floor mounting
  • Category 5 backflow protection, Type AB air gap, weir overflow and warning pipe
  • Single (duty) or twin (duty/standby) pump options
  • Adjustable feet

With a sleek, compact, floor-standing design, the MAXI AP is incredibly easy to install and commission, making it the top choice for specifiers and installers alike. Powered by an advanced microprocessor-controlled system, it guarantees exceptional accuracy and efficiency, ensuring optimal pressure management at all times.

Whether you choose the single-pump or twin-pump configuration, the MAXI AP delivers unparalleled performance and reliability. Equipped with cutting-edge Ai100 technology, it offers an intuitive user experience and seamless system integration. Say goodbye to complicated setups and hello to smooth, automated operation with real-time monitoring through its digital control system.

Engineered for durability and longevity, the MAXI AP is designed to keep your system running at peak performance, providing dependable pressurisation for years to come. Whether for heating, cooling, or industrial applications, the MAXI AP ensures consistent, hassle-free pressure control.