44
GTV
FORCED CONVECTION AIR HEATERS
Instructions for Installation and Servicing
Type
A
a
b
c
d
M
D
e
GTV-20 CL
470
350
600
350
500 1050
50
135
GTV-27 CL
470
350
600
350
500 1050
50
135
GTV-33 CL
610
500
600
400
550 1100
50
187
GTV-40 CL
610
500
600
400
550 1100
50
187
GTV-48 CL
750
650
600
450
600 1150
50
252
GTV-58 CL
750
650
600
450
600 1150
50
252
GTV-…CL centrifugal fan-type 20…58 kW
ATTENTION! The joint of pipes must be sealed and fixed! Not allowed longer flue system as the above
chart shows!
•
See the following:
•
the pressure drop of 1m inox Ø100 mm pipe is 2Pa
•
elbow 90° is equal about 1m length pipe (2-3Pa)
Supplement:
The fresh air supply and venting set can contain an elbow 90°� In case of use more elbows, you need to reduce the length
of fresh air supply and venting set, as follow:
It is allowed to use longer fresh air supply and venting set with isolation and condensate outlet. In
this case, contact the manufacturer!
Enclosure 3.: Flue longs, allowed pressure drops
Type
GTV-E-
20A/C/CL
GTV-E-
27A/C/CL
GTV-E-
33A/C/CL
GTV-E-
40A/C/CL
GTV-E-
48A/C/CL
GTV-E-
58A/C/CL
Venting set
type
Maximal lenght of venting set Ø 100 mm [m]
B22
12
12
12
12
12
12
C12
12
12
12
12
12
12
C32
12
12
12
12
12
12
C52
12
12
12
12
12
12
Venting set
type
Maximal pressure drop of venting set Ø 100 mm [Pa]
B22
24
24
24
24
24
24
C12
24
24
24
24
24
24
C32
24
24
24
24
24
24
C52
24
24
24
24
24
24
Type
GTV-E-68A
GTV-E-87A
GTV-E-107A
Venting set
type
Maximal lenght of venting set Ø 100 mm
[m]
B22
12
16
20
C12
12
16
20
C52
12
16
20
Venting set
type
Maximal pressure drop of venting set Ø
100 mm [Pa]
B22
24
32
40
C12
24
32
40
C52
24
32
40