SMAY CDH-F User manual

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Operation and
maintenance manual
CDH-F
Smoke and heat wall
exhaust ventilator

Version: 1.3
Date: 31.03.2022
Page 1 z 11
Operation and Maintenance Manual
CDH-F
Version: 1.3
31.03.2022
Smay company reserves the right to modify this document.
Table of Contents
1. INTRODUCTION .............................................................................................. 3
2. INTENDED USE ............................................................................................... 3
3. TECHNICAL DESCRIPTION .............................................................................. 3
4. INSTALLATION CONDITIONS.......................................................................... 9
5. DISASSEMBLY OF THE ELECTRIC ACTUATOR ................................................ 10
6. TRANSPORT AND STORAGE CONDITIONS ..................................................... 11
7. INSPECTION AND MAINTENANCE PROCEDURE ............................................. 11
8. WARRANTY TERMS ....................................................................................... 11

Version: 1.3
Date: 31.03.2022
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Operation and Maintenance Manual
CDH-F
1438
SMAY
Sp. z o.o.
17
1438-CPR-0534
PN-EN 12101-2:2005
DUAL-FUNCTION SMOKE EXTRACTION UNIT
CDH-F
Technical characteristics of the external power source:
Power supply: AC/DC 24 [V] or AC 230 [V]
Aerodynamic free area: Aa=0,1 ÷ 3,72 [m2]
Wind load class: WL 1500
Reliability: Re1000
Low ambient temperature: T(-15)
Heat exposure: B300

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Operation and Maintenance Manual
CDH-F
1. INTRODUCTION
The purpose of this Operation and Maintenance Manual is to familiarize the user with the intended use, design,
operating principle, installation and operation of the product.
2. INTENDED USE
CDH-F louvres are used for smoke and heat extraction in natural and mechanical smoke extraction systems.
CDH-F-L louvre can be used in smoke extraction systems as a wall smoke exhaust device with the possibility of
measuring the mass flow of air removed by the extraction louvre. This product is dedicated to staircases, elevator
shafts, wherever we want to know the mass flow of air being removed.
3. TECHNICAL DESCRIPTION
CDH-F louvres are positioned by means of an electric actuator. The lamellas are made of anodised aluminum profiles
and an insert mounted between profiles and secured with glazing gasket. In the S version the lamella insert is made of
a 20 mm thick multi polycarbonate sheets. In the A version the lamella insert is made of 20 mm thick mineral wool
with glass fleece inside and anodised sheet outside.
The exhaust louvers frame is made of aluminum and powder coated in the RAL9006 matt color.
CDH-F electrical control –the lamellas of the exhaust
louvres are controlled by means of an electric actuator of
Belimo, open/close type, with a return spring, 24 V AC/DC
or 230 V AC power supply.
If an actuator with a return spring is in use, a power
loss will open the louvre.
The wiring diagram, power supply and control parameters
depend on the type of the electric actuator and control
system –see the data sheet of the selected actuator.
Figure 1 –CDH-F louvre.

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Operation and Maintenance Manual
CDH-F
CDH-F-L design (for Zodic-M System only)
CDH-F-L louvre can be used in smoke extraction systems as a wall smoke exhaust device with the possibility of
measuring the mass flow of air removed by the extraction louvre. This product is dedicated to staircases, elevator
shafts, wherever we want to know the mass flow of air being removed.
Figure 2 –CDH-F-L design.
Figure 2 –CDH-F-Lz design.
Tab. 1 –CDH-F-L and CDH-F-Lz description.
Lp.
Description
1
CDH-F louvre
2
Telescopic duct section KT
3
Measuring strips
4
Panel with cable glands (two glands for actuator cables, two glands for copper tubes)
5
Protective mesh ST-STS4 with a perforated steel sheet with Hv20 hexagonal holes
6
The differential pressure transmitter is connected to the measurement strips with Ø6mm
copper tubes and is placed in a safe space, or is encased in mineral wool with a thickness of
30mm and a density of not less than 60 kg/m3or equivalent.

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Operation and Maintenance Manual
CDH-F
The louvre must be installed in the exterior wall of the building. It should be placed as high as possible in the space
from which it will remove smoke and heat.
An example of the location of the CDH-F louvre:
in a staircase:
Figure 3 –CDH-F installation places in a staircase.
1 –mechanical air supply
2 –CDH-F-L
•in a hall:
Figure 4 –CDH-F installation places in a hall.
3 –gravitational air supply
4 –CDH-F louvre

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Figure 5 –Installation of CDH-F-L louvre.
Figure 6 –Mounting opening for CDH-F-L horizontal battery.

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Operation and Maintenance Manual
CDH-F
Horizontal battery installation.
Example for max. 3095x2005 horizontal battery installation opening:
[3095-65]/2=1515 - vertical mounting bar 65x40x2 L =2005mm - 2 pcs on both sides of the wall.
Figure 7 - Mounting opening for CDH-F-L vertical battery.
Vertical battery installation.
Example for max. mounting opening of vertical battery 1515x4075:
[4075-65]/2=2005 - horizontal mounting bar 65x40x2 L =1515mm - 2 pcs on both sides of the wall.

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CDH-F
Table 2 –Dimensions.
Distinction in tab.2 means the range of dimensions of CDH-F-L louvre with measuring strips. Mounting opening for
CDH-F-L according to data from table 2 is made according to formula (C+15) x (D+15) (illustration in Fig. 5).
It is recommended to design mounting holes in an optimal way for the heights D dimensions given in table 2; for the
intermediate dimensions, a higher metal sheet cover is being used in the top part of the outlet louver.*For dimension
1100x2865 from table for drive option with return spring, active area is Aₐ=1,79 m².
*For dimension 1100x2900 from table for drive option with return spring, active area is Aₐ=1,81 m².
Number
of
lamellas
in a
louver
[pcs.]
Mounting
hole
height
[mm]
Mounting hole width [mm]
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
Aₐaerodynamic free area [m²]
Approximate weight without a drive, lamella insert S [kg]
3
590
0,10
0,13
0,16
0,20
0,23
0,26
0,29
0,33
0,36
0,39
0,42
0,46
0,50
0,53
0,56
0,59
0,62
0,66
6,0
6,7
8,3
9,1
9,9
10,7
11,5
12,3
13,1
13,9
14,7
15,5
16,3
17,1
17,9
18,7
19,5
20,3
4
765
0,14
0,18
0,22
0,27
0,31
0,35
0,40
0,45
0,49
0,54
0,58
0,63
0,67
0,71
0,76
0,81
0,86
0,90
7,2
8,1
9,8
10,7
11,6
12,5
13,4
14,3
15,2
16,1
17,0
17,9
18,8
19,7
20,6
21,5
22,4
23,3
5
940
0,17
0,23
0,28
0,34
0,40
0,45
0,51
0,56
0,62
0,68
0,74
0,79
0,85
0,90
0,96
1,01
1,08
1,14
8,4
9,4
11,0
12,1
13,2
14,3
15,4
16,5
17,6
18,7
19,8
20,9
22,0
23,1
24,2
25,3
26,4
27,5
6
1115
0,21
0,28
0,34
0,41
0,47
0,55
0,61
0,69
0,75
0,82
0,88
0,97
1,03
1,10
1,17
1,23
1,30
1,37
9,5
10,7
12,5
13,7
14,9
16,1
17,3
18,5
19,7
20,9
22,1
23,3
24,5
25,7
26,9
28,1
29,3
30,5
7
1290
0,25
0,33
0,40
0,48
0,56
0,64
0,72
0,80
0,83
0,91
1,00
1,07
1,14
1,22
1,31
1,39
1,47
1,54
10,6
11,9
13,9
15,2
16,5
17,8
19,1
20,4
21,7
23,0
24,3
25,6
26,9
28,2
29,5
30,8
32,1
33,4
8
1465
0,28
0,38
0,46
0,55
0,64
0,74
0,83
0,91
0,95
1,05
1,14
1,22
1,33
1,41
1,50
1,59
1,70
1,79
11,8
13,2
15,3
16,7
18,1
19,5
20,9
22,3
23,7
25,1
26,5
27,9
29,3
30,7
32,1
33,5
34,9
36,3
9
1640
0,32
0,42
0,52
0,62
0,72
0,83
0,93
1,04
1,09
1,18
1,30
1,40
1,49
1,59
1,71
1,81
1,91
2,01
12,9
14,5
16,7
18,3
19,9
21,5
23,1
24,7
26,3
27,9
29,5
31,1
32,7
34,3
35,9
37,5
39,1
40,7
10
1815
0,36
0,47
0,58
0,69
0,81
0,92
1,05
1,16
1,21
1,34
1,44
1,55
1,69
1,79
1,90
2,01
2,12
2,27
14,1
15,8
18,2
19,9
21,6
23,3
25,0
26,7
28,4
30,1
31,8
33,5
35,2
36,9
38,6
40,3
42,0
43,7
11
1990
0,39
0,52
0,63
0,76
0,89
1,01
1,15
1,27
1,35
1,47
1,59
1,73
1,85
1,97
2,09
2,21
2,37
2,49
15,4
17,2
19,6
21,5
23,4
25,3
27,2
29,1
31,0
32,9
34,8
36,7
38,6
40,5
42,4
44,3
46,2
48,1
12
2165
0,43
0,57
0,69
0,83
0,97
1,12
1,26
1,39
1,47
1,60
1,76
1,89
2,02
2,15
2,32
2,45
2,59
2,72
16,6
18,6
21,0
23,0
25,0
27,0
29,0
31,0
33,0
35,0
37,0
39,0
41,0
43,0
45,0
47,0
49,0
51,0
13
2340
0,46
0,62
0,76
0,90
1,06
1,22
1,36
1,50
1,60
1,74
1,91
2,05
2,19
2,37
2,51
2,66
2,80
2,94
17,8
20,0
22,5
24,6
26,7
28,8
30,9
33,0
35,1
37,2
39,3
41,4
43,5
45,6
47,7
49,8
51,9
54,0
14
2515
0,50
0,67
0,82
0,98
1,14
1,31
1,46
1,62
1,72
1,90
2,05
2,20
2,39
2,55
2,70
2,86
3,01
3,17
19,0
21,4
23,9
26,2
28,5
30,8
33,1
35,4
37,7
40,0
42,3
44,6
46,9
49,2
51,5
53,8
56,1
58,4
15
2690
0,54
0,72
0,88
1,05
1,22
1,40
1,57
1,76
1,84
2,03
2,20
2,36
2,56
2,73
2,90
3,06
3,23
3,45
20,2
22,8
25,3
27,7
30,1
32,5
34,9
37,3
39,7
42,1
44,5
46,9
49,3
51,7
54,1
56,5
58,9
61,3
16
2865
0,57
0,76
0,93
1,12
1,30
1,50
1,67
1,88*
1,99
2,17
2,34
2,56
2,73
2,91
3,09
3,27
3,50
3,68
21,6
24,2
26,7
29,3
32,0
34,7
37,4
40,1
42,8
45,5
48,2
50,9
53,6
56,3
59,0
61,7
64,4
67,1
16
2900
0,58
0,77
0,95
1,14
1,31
1,51
1,69
1,90*
2,02
2,20
2,37
2,59
2,77
2,95
3,13
3,31
3,54
3,72
22,8
25,4
27,9
30,5
33,2
35,9
38,6
41,3
44,0
46,7
49,4
52,1
54,8
57,5
60,2
62,9
65,6
68,3

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Operation and Maintenance Manual
CDH-F
4. INSTALLATION CONDITIONS
CDH-F units should be installed to a wall with use of screws through the holes in louver frame (the holes should be
prepared by the customer on the construction site). The examples of installations are shown below.
Installation in a brickwork or concrete wall
Installation in a steel structure
Correct installation in a sandwich panel wall
Incorrect installation in a sandwich panel wall
In the case of installation of the CDH-F louver in sandwich panel wall it is necessary to prepare additional steel sub-
construction in order to fix the louver to the load bearing elements of the wall.
Dowels (ø6 min.)
30 mm spacing
Ø5.5 self-drilling
screws, ~300mm
spacing
30 mm spacing
Wall beam
structure
Ø5.5 self-drilling
screws,~300 mm
spacing
30 mm spacing

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Operation and Maintenance Manual
CDH-F
5. DISASSEMBLY OF THE ELECTRIC ACTUATOR
In order to disassembly the actuator:
- remove the safety pin with a strong pull,
- pull the pipe out of the actuator axis,
- remove the fixing screws of the actuator and remove the actuator from the axis.
Removing the cotter pin.
Pulling the pipe out of the actuator axis
In order to install the actuator:
- mount the actuator on the axis and screw the fixing screws in,
- put the pipe onto the actuator axis so that the tie rods on the both sides of the louver are synchronised,
- install the cotter pin.
Cotter pin

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CDH-F
6. TRANSPORT AND STORAGE CONDITIONS
CDH-F louvres are delivered wrapped in foil.
The product should be stored in closed rooms providing protection against weather conditions.
Always secure the product against moving during transport. Stacking products is unacceptable.
During transport products should be protected against weather conditions. After every delivery it is necessary to carry
out a visual inspection of the elements. Do not expose to mechanical damage.
7. INSPECTION AND MAINTENANCE PROCEDURE
CDH-F louvres installed in ventilation systems must be inspected at least once a year to check their operation. Every
inspection shall be recorded in the form of a protocol.
In order to check the correctness of CDH-F louvers operation, in particular, it is necessary to:
Check the lamellas and seals.
Check if the louvres are clean; clean if necessary.
Check the actuator wiring.
Carry out a visual inspection for corrosion of metal parts.
Carry out the opening and closing test of the unit lamellas.
If there is an actuator with a return spring mounted (BFN, BF), turn off its power supply. The outlet lover has to open.
Connect voltage to the louvre. The outlet lover should close.
If the damper opens and closes correctly, close it and leave in the closed position.
Of an open-close actuator is installed (BLE, BE), open the louver by means of a controller. The louver has to open.
Then close the louver by means of a controller. The louver should close.
If the louver opens and closes correctly, close it and leave in the closed position.
Make an inspection report.
Notify the Manufacturer in the event of any defects.
8. WARRANTY TERMS
oThe Manufacturer warrants the products supplied according to the provisions of the Agreement or the General
Warranty Terms and Conditions of Smay Sp. z o.o.
oThe warranty does not cover defects caused by improper storage, transport, installation of the element and,
especially, mechanical damage and defects of the anti-corrosion coatings.
oThe Warranty is void when it is found that the User made structural modifications on his own or installed the
product not in accordance with the Operation and Maintenance Manual.