MAXA i-32V5C MIDI 0121 - Auxiliary Systems and Integration; Auxiliary Resistances and Their Configuration

i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan
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MAXIMUM CHEMICAL-PHYSICAL PROPERTIES ALLOWED FOR THE CIRCUIT WATER
Manganese (Mn) < 0,05 ppm
Iron (Fe) < 0,3 ppm
Alkalinity (HCO3) 70 – 300 ppm
Chloride ions (Cl-) < 50 ppm
Sulphate ions (SO4) < 50 ppm
Sulphide ions (S) None
Ammonium ions (NH4) None
Silica (SiO2) < 30 ppm

Herein below the hydraulic diagrams for connecon to the unit
W-I N
W-O U T
KA1
DV1
RV1
FC1
AV1
TE
IN1
P1
EV1
TE
OUT1
LEGEND
EV 1 PLATE HEAT EXCHANGER W-IN WATER INPUT
DV 1 DISCHARGE VALVE W-OUT WATER OUTPUT
RV 1 RELIEF VALVE P 1 ELECTRONIC CIRCULATOR
TE IN 1
WATER INLET TEMPERATURE PROBE-
SONDA
AV 1 AUTOMATIC AIR VENT VALVE
TE OUT 1
USER OUTLET WATER TEMPERATURE
PROBE
FC 1 FLOW SWITCH
--- Accessorio installato a bordo
In each unit a safety valve with 6 bar opening pressure included all the same



The units all of them adopt drainage holes on the basement for the condensate draining which can leach from the pipes of hydraulic and refrig-
erant circuits, and to discharge the generated water during defrosng cycles.