MAXA i-32V5H MIDI 0121, Технический бюллетень

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i-32V5H MIDI
Chiller and Inverter Air/Water heat pumps with axial fan
16
3.3.1 System water specifications
To ensure that the unit functions properly, the water must be adequately filtered (see the beginning of this section) and the quantity of dissolved
substances must be minimal. The maximum permitted values are listed below.
MAXIMUM PERMITTED CHEMICAL AND PHYSICAL CHARACTERISTICS OF THE SYSTEM WATER
PH 7,5 - 9
Electrical conductivity 100 - 500 μS/cm
Total hardness 4,5 – 8,5 dH
Temperature ˂ 65°C
Oxygen content ˂ 0,1 ppm
Max. quantity glycol 40 %
Phosphates (PO4) ˂ 2ppm
Manganese (Mn) < 0,05 ppm
Iron (Fe) < 0,3 ppm
Alkalinity (HCO3) 70 – 300 ppm
Chlorine ions (Cl-) < 50 ppm
Sulphate ions (SO4) < 50 ppm
Sulphide ion (S) No one
Ammonium ions (NH4) No one
Silica (SiO2) < 30 ppm
3.3.2 Typical hydraulic scheme
The following is a recommended connection diagram
P
T
T
M M
1
7
from water supply
to sanitary users
T
T
P
ST
M
2
3
4
5
6
LEGEND
1 i-32V5H MIDI -HEAT PUMP 5 Hi-T2 REMOTE CONTROLLER
2 VDIS3 - DIVERTER VALVE 6 SAS - SANITARY PROBE
3
CADDY - WATER STORAGE WITH DOMESTIC HOT WA -
TER EXCHANGER
7 FANCOIL TERMINALS
4 PUFFROLLER - TECHNICAL WATER STORAGE