BLAUBERG Komfort Ultra Series User manual

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Komfort Ultra (EC) L (S) 350 (250) - H(E)
Read the user’s manual carefully prior to installing and operating the unit.
Full the user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical and technical norms and standards.
The warnings contained in the user’s manual must be considered most seriously since they contain vital personal safety
information.
Failure to follow the rules and safety precautions noted in this user’s manual may result in an injury or unit damage.
After a careful reading of the manual, keep it for the entire service life of the unit.
While transferring the unit control the user’s manual must be turned over to the receiving operator.
Symbol legend:
WARNING!
DO NOT!
This user’s manual consisting of the technical details, operating instructions and technical specication covers the installation and mounting of the Komfort Ultra
S(L) 350-H(E) heat recovery air handling unit (hereinafter referred to as «the unit»).
Safety requirements ................................................................................................ 2
Purpose ...................................................................................................................... 4
Delivery set ................................................................................................................ 4
Designation key ........................................................................................................ 4
Technical data ........................................................................................................... 5
Unit design and operating logic ........................................................................... 6
Mounting and set-up .............................................................................................. 7
Connection to power mains .................................................................................. 14
Unit control ............................................................................................................... 16
Technical maintenance ........................................................................................... 18
Fault handling ........................................................................................................... 20
Storage and transportation regulations ............................................................. 20
Manufacturer's warranty ........................................................................................ 20
Acceptance certicate ............................................................................................ 21
Seller information .................................................................................................... 21
Installation certicate ............................................................................................. 21
Warranty card ........................................................................................................... 21
CONTENTS
SAFETY REQUIREMENTS
UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS
• Disconnect the unit from power mains prior to any
installation operations. • The unit must be grounded!
• Do not lay the power cable of the unit in close
proximity to heating equipment.
• While installing the unit follow the safety
regulations specic to the use of electric tools.

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• Do not change the power cable length at your own
discretion.
Do not bend the power cable.
Avoid damaging the power cable.
Do not put any foreign objects on the power cable.
• Unpack the unit with care.
• Do not use damaged equipment or cables when
connecting the unit to power mains.
• Do not operate the unit outside the temperature
range stated in the user’s manual.
Do not operate the unit in aggressive or explosive
environments.
• Do not touch the unit controls with wet hands.
Do not carry out the installation and maintenance
operations with wet hands.
• Do not wash the unit with water.
Protect the electric parts of the unit against ingress
of water.
UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS
• Do not allow children to operate the unit. • Disconnect the unit from power mains prior to any
technical maintenance.
• Do not store any explosive or highly ammable
substances in close proximity to the unit.
• When the unit generates unusual sounds, odour or
emits smoke disconnect it from power supply and
contact the Seller.
• Do not open the unit during operation. • Do not direct the air ow produced by the unit towards
open ame or ignition sources.
• Do not block the air duct when the unit is switched on. • In case of continuous operation of the unit periodically
check the security of mounting.
• Do not sit on the unit and avoid placing foreign objects
on it. • Use the unit only for its intended purpose.

Komfort Ultra EC S 350-H S12
Series of units
Motor type
EC – electronically commutated
Rated
air capacity [m3/h]
Spigot orientation
S - vertical spigot orientation
L - horizontal spigot orientation
Heat exchanger type
H - aluminium plate heat exchanger
E - enthalpy heat exchanger
Control device
S2 - CDT E/0-10 speed controller
S12 - SGS E1 sensor speed controller
S14 - sensor control panel

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TECHNICAL DATA
The unit is designed for indoor application with the ambient temperature ranging from +1 oC up to +40 oC and relative humidity up to 80 %.
The unit is rated as a Class I electrical appliance.
Hazardous parts access and water ingress protection rating:
IP 44 for the unit motors
IP 22 for the assembled unit connected to the air ducts
The unit design is constantly being improved, so some models can slightly differ from those ones described in this manual.
TECHNICAL DATA
Model Komfort Ultra
EC L(S) 350-H
Komfort Ultra
EC L(S) 350-E
Komfort Ultra
L(S) 250-H
Komfort Ultra
L(S) 250-E
Unit voltage [V /50-60 Hz] 1~ 230
Maximum unit power [W] 156 148
Maximum unit current [A] 1,17 0.78
Maximum air capacity [m3/h] 350 250
R.p.m. 3200 2700
Sound pressure level at 3 m distance [dB(A)] 28-47 28-47
Transported air temperature [oC] from -25 to +60 from -25 to +40
Insulation 20 mm mineral wool
Extract lter G4
Intake lter G4 (F8 PM2.5 92 %)*
Connected air duct diameter [mm] Ø125
Weight [kg] 26 25 26 25
Heat recovery efciency, % 85 85 85 85
Humidity recovery efciency, % 50 50
Heat exchanger type Cross ow
Heat exchanger material aluminium polymerized cellulose aluminium polymerized cellulose
* - Option
Model A A1 B B1 C C1
Komfort Ultra EC L350-H(E) S2 - 87 - 110 - 43
Komfort Ultra EC S350-H(E) S2 87 - 110 - 43 -
Komfort Ultra EC L350-H(E) S14 - 198 - 255 - 63
Komfort Ultra EC S350-H(E) S14 172 - 295 - 63 -
Komfort Ultra L250-H(E) S12 - 129 - 157 - 43
Komfort Ultra S250-H(E) S12 157 - 129 - 43 -
OVERALL DIMENSIONS OF THE UNIT, MM
284 284
810
713
443 443
C1
490 B
A
ø125
ø125
B1 A1
713C
Komfort Ultra (EC) S 350 (250) - H(E) Komfort Ultra (EC) L 350 (250) - H(E)

150 mm 150 mm

Contact socket
for connection
to the control unit
Contact socket
for connection
to the control unit
Exhaust
air duct
Humidity sensor
Mount

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Komfort Ultra (EC) L (S) 350 (250) - H(E)
3. Install the limit switch, the latches and the service panel on the opposite side of the unit.
Service side change is shown by the example of the Komfort Ultra (EC) S 350(250)-H(E) air handling unit.
The procedure of the service side changing for Komfort Ultra (EC) L 350(250)-H(E) is carried out in the same manner.
CONDENSATE DRAINAGE SYSTEM CONNECTION
The hole for the drain pipe is at the bottom of the unit. Remove the plug from the hole, open the service panel and install the drain pipe from the delivery set into the hole,
then connect the drain pipe to the sewage system using the KIT SFK 20x32 U-trap kit (available upon separate order). While laying the hoses provide the slope downward
min. 3o.
Drain
pipe
Drain
hose
min 3°
Sewage
system
Sewage pipe
Ø32 mm
U-trap