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CONNECTIONS
The water, condensate discharge and electrical circuit ducts must be provided for.
WATER CONNECTIONS
- Make the water connections. To help
the bleeding of air from the coil, you
are advised to connect the water
outlet pipe to the fitting at the top;
any inversion will not jeopardise the
proper functioning of the unit.
The position and diameter of the
AIR
OPERATING ENVIRONMENT
The units are designed for installation in closed environments in conditions of
'urban' , non-marine atmosphere with non-corrosive and non-dusty characteristics.
Under no circumstances the following concentrations of pollutants in the air, in
which the unit must operate, shall be exceeded:
SO
<0,02 ppm
2
H
S
<0,02 ppm
2
NO,NO
<1 ppm
2
NH
<6 ppm
3
N
O
<0,25 ppm
2
The unit should not be installed in locations characterized by the presence of
flammable gases or acidic or alkaline substances.
Otherwise the coils and the internal components of the equipment could suffer
serious and irreparable damage from corrosi
water connections are shown in the
dimensions.
You are advised to adequately
insulate water lines, or fit the auxiliary
condensate drain tray (available as an
accessory), to prevent dripping during
the cooling function.
Coil connections
OMNIA
Omnia HL
CONNECTIONS
OUT = Water outlet coil connection
D
IN
= Water inlet coil connection
AIR = Coil air drain valve
SC
D
= Coil drainage valve
SC
= Condensate discharge (male Ø 16mm)
11 S
16 S
26 S
Ø
1/2"
1/2"
1/2"
WARNINGS FOR THE QUALITY OF THE WATER CIRCULATING
IN THE COILS
It is recommended to perform an analysis of the water circulating in the coil
focusing on the research of the possible presence of bacteria (detection of
iron bacteria and micro-organisms that can produce H2S or chemically reduce
sulphates) and on the chemical composition of the water, to prevent corrosion
and fouling inside the tubes.
The water circuit must be supplied and replenished with treated water that does
not exceed the threshold levels indicated below.
Total hardness in mmol/l
Chlorides [CL
]
-
Sulphates [SO
]
2-
4
Nitrates [NO
]
-
3
Dissolved iron
Dissolved oxygen
Carbon dioxide [CO
]
2
Resistivity
pH
IHLSLJ 2204 - 6887203_05
Te s t t h e s e a l o n t h e wate r
connections.
36 S
1/2"
l < mmoll/l < 1,5
< 10 mg/litre
< 30 mg/litre
= 0 mg/litre
< 0,5 mg/litre
4 < [O
] < 9 mg/litre
2
< 30 mg/litre
20 Ohm∙m < Resistivity< 50 Ohm∙m
6,9 < pH < 8
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