12
Water flow
Water flow
Nominal flow
WATER PRESSURE LOSSES
Note
: Anti-freeze to be provided for.
HEATING PERFORMANCE
HOT WATER COIL
Models AR AO (Accessory)
K
1
CFFICIENT
AIR FLOW
Qa/Qn
K
1
0,80
0,90
1
1,10
1,20
0,87
0,95
1
1,06
1,13
Q
2
CFFICIENT
∆
Tw
∆
Tw
°C
8
10
12
14
16
18
20
K
2
1,01
1
0,98 0,96 0,95 0,94 0,92
X 2450 X 3250
Capacity
l
4
5
Nominal water flow
m³/h
3,3
4,3
Maxi. water pressure
kPa
1000
Maxi. water inlet temperature
Twe °C
90
Mini. dry indoor temperature
Tsi °C
+ 6
Ø Connection
mm F33 x 42 (1"1/4)
X 2450
X 3250
Protection anti-freeze
Note
:
Anti-freeze mandatory in
summer and winter
Pt
kW
Model
X 3250
Ex : Tsi
= 20 °C
Water = 90/80 °C
Twm
= 85 °C
Pt
1
= 50 W
Qw =
(m³/h)
0,86 x Pt (kW)
∆
Tw
Pt
1
= Total cooling capacity with nominal air flow
Pt
= Total cooling capacity
Tsi = Dry indoor temperature
Qa = Treated air flow
Qn = Nominal air flow
Qw = Water flow
Twe = Hot water inlet temperature
Tws = Hot water outlet temperature
∆
Tw = Difference in temperature water inlet/outlet
Twm = Hot water average temperature
∆
Pw = Hot water pressure drops
Pt = K
1
x K
2
x Pt
1
X 2450 / X 3250
TH 3110
