AERMEC NRB 0282 Series, Руководство по установке и обслуживанию

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37
water features
System: Chiller with plate heat exchanger
PH 7,5-9
Electric conductivity 100-500μS/cm
Total hardness 4,5-8,5°dH
Temperature < 65°C
Oxygen content < 0,1 ppm
Max. glycol amount 50%
Phosphates (PO4) < 2ppm
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 ion (S) none
Ammonium ions (NH4) none
Silica (SiO2) < 30ppm
i
nternal and external hydraulic circuit
nrB 01-03-05-07 (WITH PUMP + STORAGE TANK)
10
3
7
7
1
2
3
2
4
5
6
7
8
4 9
11
12 13
8
8
14
14
15
Unit Components recommended
(*) HYDRONIC KIT 05-07:
Storage tanks with holes for
supplementary heaters (not provided)
are sent from the factory with plastic
protection caps. Before loading the
system, if the installation of one or all
resistances is not expected, all plastic
caps must be replaced with the special
caps, commonly commercially available.
(*)
COMPONENTS PROVIDED AS STANDARD
1
Plate heat exchanger
2
Water temperature sensors
3 Antifreeze electric heater (standard in the heat exchanger and storage tank)
4 Air vent valve
5 Water filter
6
Pump
7
Drain valve
8 Cut-off valve
9 Expansion Tank
10 System buffer tank
11
Safety valve
12
Pressure gauges
13 Flow switch
HYDRAULIC COMPONENTS RECOMMENDED EXTERNAL TO UNIT
(RESPONSIBILITY OF THE INSTALLER)
14
Anti-vibration joints
15 Automatic Filling Valve
8
Cut-off valve