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Operation and Maintenance
Envistar Flex
DSEF191101.05.EN
Continuous product development may give rise to specification changes without notice.
4.3 HS, US - Without control and without electrical connection
• Code HS - for units without control equipment and without electrical
connection, control diagrams are available for the heat exchanger (code
EXM) under order-specific documentation at
, for other
wiring instructions, refer to the following pages.
• Code US - for units without control equipment and without electrical
connection, refer to the wiring instructions on the following pages.
Recommended fuse protection refers to fuses with type C characteristics.
Safety switch
A safety switch must be fitted and wired on each power supply.
Fan, power supply and fuse protection
For separate power supply of each fan, read and note the “Type” from the fan
data plate.
NB: The fans may be different sizes/variants. Read both the supply air and
extract air fan labels.
For the relevant power supply and recommended fuse protection, refer to
(Technical Data).
Fläkt
/
Fan
/
Puhallin
Wentylator
/
Ventilator
/
Ventilateur
Q=1/K
x
p
(m³/s)
Type
-
r/m
kW
A
V
Utfrekvens
Out frekvency
Taajuusalue
Czesttot. wyj.
Ausg.frequen
z
Fréq. sort
-
Hz
K-faktor
K-factor
K-
Wsp
kerroin
.K
K-faktor
Facteur
Ref.
ErP data
Eff
.
degr
.
type
Speed ctrl.
ɳ
total
N
↔
N=
Max. temp.
°C
Typical fan data label
