Vents KSD 250-6E User manual
User’s manual
KSD
2
CONTENTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
3
3
3
8
8
9
12
13
14
18
21
21
21
22
23
24
Purpose
Delivery set
Technical data
Safety requirements
Fan design
TSC module description and functioning
Mounting and set-up
Connection to power mains
Fan options
Wiring diagrams
Technical maintenance
Storage regulations
Manufacturer's warranty
Troubleshooting
Acceptance certificate
Warranty card
page
KSD
The centrifugal electric fan VENTS KSD enclosed in a metal sound-insulated casing with
a double-inlet Ø 180 to 320 mm impeller and forward curved blades, hereinafter the fan,
is designed for supply and exhaust ventilation of domestic, public and industrial premises
with high sound attenuation requirements.
The fan is designed for horizontal installation on an even surface or horizontal suspended
mounting and connection to Ø 250 and 315 mm round air ducts.
Transported air must not contain any flammable or explosive mixtures, evaporation of
chemicals, sticky substances, fibrous materials, coarse dust, soot and oil particles or
environments favourable for the formation of hazardous substances (toxic substances,
dust, pathogenic germs).
The fan is rated for continuous operation.
The fan requires simple maintenance and is applicable for the transported air temperature
from -20 °C up to +45 °C.
Hazardous parts access and water ingress protection ratings is IP X4.
The delivery set includes:
- fan (1 item)
- user's manual
- packing box.
Specially ordered accessories NOT INCLUDED in the delivery set:
- a set of mounting brackets
- s set of suspension eye bolts
- air filters
- metal grilles
- air ducts
- fittings
- electric accessories
Fan name designation, fan options, functioning and connecting dimensions are stated
in the Tables 1, 2 and Fig. 1-6. The fan design undergoes continuous improvement.
Therefore, some models may slightly differ from the ones described herein.
3
PURPOSE
DELIVERY
SET
TECHNICAL
DATA
Prior to trial run and commissioning the fan make sure its air capacity and current
consumption match the respective technical data for a specified fan standard size.
The motor must be equipped with self-resettable overheating protection.
WARNING
KSD
!
4
FAN
DESIGNATION
KEY
ХХХХХХ Х - Х Х Х Х/ХХХ Х
Casing insulation
_ : PU foam insulation.
K1: mineral wool insulation.
Power cable with IEC C14 plug.
R
Temperature and speed controller type
U: speed controller with electronic thermostat and temperature
sensor integrated into the air duct. Equipped with a power cable
and IEC C14 electric plug. Temperature-based operation logic.
Un: speed controller with electronic thermostat and external
temperature sensor fixed on 4 m cable. Equipped with a power
cable and IEC C14 electric plug. Temperature-based operation
logic.
U1: speed controller with electronic thermostat and temperature
sensor integrated into the air duct. Equipped with a power cable
and IEC C14 electric plug. Timer-based operation logic.
U1n: speed controller with electronic thermostat and external
temperature sensor fixed on 4 m cable. Equipped with a power
cable and IEC C14 electric plug. Timer-based operation logic.
Power mains parameters
E: single-phase
Pole number
4; 6
High-powered motor
S
Intake spigot diameter for two spigot modification, mm
Intake and exhaust spigot diameter, mm
Fan designation
KSD
5
1 2
Overall and connecting dimensions of KSD fan
with one intake and one exhaust spigot
Overall and connecting dimensions of KSD fan
with two intake spigots and one exhaust spigot
251
251
266
306
KSD 315/250*2-6E
H2H1HB2 L L1B B1 B3 L2
600 500 580 31
H3
313 248 M8 550 171 431 340 176 326 680 510
KSD 315/250*2-4E
KSD 315/250*2 S-4E
KSD 315/250*2 S-6E
600
650
670
500
530
610
580
635
725
33
38
45
313
313
313
248
248
248
M8
M8
M10
550
610
620
171
188
216
431
465
457
340
450
367
176
186
186
326
346
427
680
735
825
510
570
660
Modell Dimensions [mm] Weight
[kg]
KSD 250-6E
KSD 315-6E
KSD 250-4E
KSD 315-4E
KSD 250 С-6E
KSD 315 С-4E
KSD 250 С-4E
KSD 315 С-6E
H1
HB B1 H2 LL1 L2
313
313
313
313
M8
M8
M8
M10
600
600
650
670
550
550
610
620
500 340
500
530
610
340
450
367
580680 510
580
635
725
680
735
825
510
570
660
31
33
38
45
H
L1
L
H1
H2
B
D
D
B1
L2
d
H
L1
L
H1
H2
B2
B3
H3
D1
D1
B
D
B1
L2
d
table 1
21,5
21,5
470
470
435
435
455
455
248
248
M8
M8
400
400
298
298
216
216
570
570
400
400
30,8
30,8
540
540
483
483
503
503
248
248
M8
M8
450
450
340
340
241
241
640
640
470
470
table 2
Modell Dimensions [mm] Weight
[kg]
KSD
10
9
11
20
21
22
23
24 25 26
27
28
29
t
C
min max
30
12
10
9
11
20
21
22
23
24 25 26
27
28
29
t
C
min max
30
12
23
1
65
4
7
8
23
1
6
4
7
8
13
6
3
4
1 - Fan casing
2 - Sound-insulating layer
3 - Intake spigot
4 - Exhaust spigot
5 - Terminal box
6 - Fan grounding
7 - Impeller
8 - Mounting nut
9 - Speed control knob
10 - Temperature control knob
11 - Fan operation indicator
12 - Thermostat indicator
1 - Fan casing
2 - Sound-insulating layer
3 - Intake spigot
4 - Exhaust spigot
6 - Fan grounding
7 - Impeller
8 - Mounting nut
9 - Speed control knob
10 - Temperature control knob
11 - Fan operation indicator
12 - Thermostat indicator
13 - Power cable with plug
KSD
7
5
KSD fan mounting and operation example
1хD 3хD
6
General mounting recommendations for KSD fans
KSD
8
The fan must be mounted and connected to power supply only by properly qualified personnel
in compliance with acting regulatory documents.
Disconnect the fan from power mains prior to any maintenance and repair operations.
Check the fan for any visible damages of the impeller, casing and grille prior to connecting
the fan to power mains. The fan casing must not contain any foreign objects which can
damage the impeller blades. The power cable must not be in contact with any hot fan surfaces
and air ducts.
The fan (Fig. 3, 4) consists of a metal casing 1 internally lined with a sound-insulating layer 2,
an intake spigot and exhaust spigot 4 for the model with one intake and one exhaust spigot
(Fig. 3) or two intake spigots 3 and one exhaust spigot 4 for the model with two intake
spigots, Fig. 4. The fan spigot diameters match the connected air duct diameter.
The fan connection to power supply to single-phase power mains is accomplished either
via a terminal block 5 or a power cable with a plug 13 for R modification.
The fan casing has a slot for connection of the fan grounding 6. The impeller 7 is fixed directly
to the motor shaft. The mounting nuts 8 for horizontal suspended mounting by means of eye
bolts are located on the casing top. The eye bolts are not included in the delivery set.
The fan modifications with a speed and temperature controller are equipped with a speed
control knob 9, a temperature control knob 10, an operation indicator 11 and a thermostat
indicator 12.
The fan has two electric connection options:
- via a terminal block 5 (Fig. 3);
- via a power cable with a plug (R modification) (Fig. 4).
The model KSD…K1 with mineral wool insulation is designed for air exhaust only.
Do not operate the fan in explosive or inflammable environments.
Transported air must not contain dust, solid particles, sticky substances and fibrous
materials.
Do not operate the fan outside the temperature range stated in the user's manual.
Do not operate the fan in aggressive or explosive environments.
SAFETY
REQUIREMENTS
FAN
DESIGN
!
KSD
WARNING
DO NOT
9
TSC MODULE
DESCRIPTION
AND
FUNCTIONING
Electronic temperature and speed controller
Available in KSD U, KSD U1, KSD Un, KSD U1n.
The electronic speed and temperature control module is designed for duct temperature
control and automatic variable speed control (air flow control) depending on the temperature.
KSD U, KSD U1 models are equipped with a built-in temperature sensor and the
KSD Un, KSD U1n models are equipped with an external temperature sensor fixed
on a 4 m cable.
The front panel of the fan (fig. 3, 4) has the following controls and indicators:
Speed control knob 9
Temperature control knob 10
Fan operation indicator 11
Thermostat indicator 12
The functioning logic of the electronic speed and temperature control module enable fan
speed control depending on the air temperature in the air duct.
Depending on the fan model the return to pre-set lower speed has two delay patterns:
- temperature sensor-based feedback delay for KSD U and KSD Un models;
- timer-based feedback delay for KSD…U1 and KSD U1n models.
Operation of the electronic temperature and speed control module for
KSD U, KSD Un models.
Set the desired air temperature (thermostat set point) by turning the thermostat control knob
10 and the minimum rotation speed (air flow rate) by turning the speed control knob 9.
The fan operation indicator 11 lights up as the fan is started.
If the air temperature increases above the thermostat set point the fan switches to the
high speed (maximum air flow rate). Synchronously, the thermostat indicator 12 lights up.
If the temperature decreases below the thermostat set point the fan switches to the pre-set
lower speed.
KSD
10
The motor switches to high speed as the air temperature exceeds 2 °C above the set
thermostat set point. The motor revers to the pre-set lower speed as the air temperature
drops below the thermostat set point. This pattern is used to keep air temperature to
within 2 °C. In this case the motor speed switches are rare.
Operation of the electronic temperature and speed control module for KSD U1,
KSD U1n models.
Set the desired air temperature (thermostat set point) by turning the thermostat control knob
10 and the minimum rotation speed (air flow rate) by turning the speed control knob 9.
The fan operation indicator 11 lights up as the fan is started.
If the air temperature increases above the thermostat set point the fan switches to the
high speed (maximum air flow rate). Synchronously, the thermostat indicator 12 lights up.
If the temperature decreases below the thermostat set point the fan switches to the pre-set
lower speed. As the air temperature exceeds the set thermostat set point, the motor switches
to higher speed and the switch delay timer is activated for 5 min.
The motor reverts to lower speed as the air temperature drops down below the thermostat
set point and only after 5 minutes countdown. This pattern is used for exact air
temperature control.
The speed switches for the fan with U1 option are more frequent as compared to the
operating logic of the fan with U option, however the minimum operating cycle at one
speed is 5 minutes.
KSD
This manual suits for next models
8
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