BWT bestmax M - Technical Data; Dimensions and Weights; Operating Conditions

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English
1 Scope of delivery
1.1 Installation set
The bestmax Soft installation set comprises the following components (see Fig. 1):
 Filter head (1) with internal thread for mounting the filter cartridge (3), suitable for all filter cartridge
sizes with installation plate. Integrated into the filter head are an Aquastop and a return valve.
 Bracket (2) for mounting the bestmax Soft filter cartridge.
 Bestmax Soft filter cartridge in sizes X, S, V, M, L, XL and 2XL (3) with hygiene cap and external
thread for screwing into the filter head (1).
 Installation and operating instructions.
In the interest of hygiene, all components are packed in protective film.
1.2 Spare filter cartridge
The spare filter pack contains the spare filter cartridge with hygiene cap (3) packed in
protective film and the installation and operating instructions.
2 Technical data
2.1 Dimensions and weights
2.2 Operating conditions
bestmax type X S V M L XL 2XL
Total height without bracket (A) mm 270-280 350-360 410-420 465-475 490-502 492-502 570-580
Total height with bracket (B) mm 305 385 445 500 527 527 600
Connection height (C) mm 226 306 366 421 448 448 520
Distance from floor (D) mm 65 65 65 65 65 65 65
Installation length (E) mm 125 125 125 125 125 125 125
Filter cartridges Ø (F) mm 88 88 110 130 147 147 185
Weight of filter cartridge, dry (approx.) kg 0.5 0.9 2.1 2.4 3.4 3.8 7.5
Weight of filter cartridge, wet (approx.) kg 1.1 1.5 3.2 4.2 5.9 6.0 11.0
bestmax type X S V M L XL 2XL
Connection thread (intake/outlet)
3/8"
Nominal flow L/h
60
Working pressure range bar
2 – 8
Intake water pressure bar
> 1.2
Pressure loss at 30 L/h ¹ bar 0.10 0.10 0.10 0.05 0.05 0.10 0.20
Pressure loss at 60 L/h ¹ bar 0.15 0.15 0.15 0.15 0.20 0.15 0.30
Pressure loss at 180 L/h ¹ bar 0.60 0.60 0.50 0.40 0.50 0.50 0.60
Water temperature, min.–max. °C + 4 to + 30
Ambient temperature, min.–max. °C + 4 to + 40
Ambient temperature during storage/transportation, min.–max. °C - 20 to + 40
Bed volume L 0.45 0.70 1.50 2.00 2.50 3.10 6.50
Operating position horizontal oder vertikal
Typical capacity at 10 d°KH for hot drink machines with steam
generation ²
L 600 1.000 2.500 3.800 5.200 6.800 12.000
Typical capacity at 10 d°KH for hot drink machines without
steam generation Max. temperature 95°C ²
L 720 1.200 3.000 4.560 6.240 8.160 14.400
Chlorine reduction In accordance with Section 5.5.2 EN 14898:2006 Class 1 1 1 1 1 1 1
¹ At bypass setting “2”, with a 1.5 m hose DN8 fitted to both the intake and outlet.
² The actual capacities in operation can be higher or lower than the capacities stated in the table. The capacities depend on the quality of the input water, the
flow rate, the intake water pressure and the flow continuity. The carbonate hardness reduction is reached in accordance with Section 5.5.5
EN 14898:2006 for the stated capacities.