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24
ENG
Installation notes
g0300122EN rel. 1.0 - 01.12.2021
ga S team layout with DP series steam distributor
12
15
9
6
14 13
11 10
2
1
5
4
3
8
7
Limit set point 90%
A
D
min 3xA
D
(min 3m/9.8 ft)
ARIA ESTERNA ARIA DI MANDATA
ARIA IN USCITA ARIA DI RIPRESA
ARIA DI
RICIRCOLO
Fig. 6.b
Key:
Ref. Description Ref. Description
1 Air intake probe 9 Air fl ow switch
2 Limit probe 10 Water inlet shut-off valve
3 Steam distributor 11 Filter (not supplied as standard)
4 Condensate drain trap 12 Water fi ll pipe
5 Condensate drain pipe 13 Water drain pipe
6 Steam hose 14 Elbow
7 Signal / power input 15 Drain trap
8 Gas inlet line
Tab. 6.b
Notice:
• A
D
: Steam absorption distance (also see paragraph 8.1 Steam distribution).
– For a length equal to at least A
D
, there must be no obstacles of any type downstream of the steam distributor. This ensures
best absorption of the steam into the air, thus avoiding the formation of condensate or wetting of parts and components
of the AHU/duct.
– The limit probe must be placed three times further than the estimated absorption distance (A
D
).
– If the estimated absorption distance is not known, the limit probe must be placed at least 3 m from the distributor.
The suggested set point for the limit probe is 90% rH.
OUTLET AIR
EXTERNAL AIR
RETURN AIR
OUTLET AIR
RECIRCULATION
AIR