flowair Cube O Guide

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Cube O
TECHNICAL DOCUMENTATION
USER’S AND INSTALLATION MANUAL
DTR Cube O v1.0 EN

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V1.0 MT-DTR-CUBE-O-EN-V1
06.2023r

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Thank you for purchasing Cube O unit.
This manual was published by FLOWAIR Sp. z o. o. User’s and installation manual is a set of recommendations and tips designed to
show procedures, methods and remarks for proper installation, launch and operation of the unit.
The manufacturer reserves the right to correct and change the user’s manual anytime without notice, so as changes in
the devices not influencing its operation.
The manual is an integral part of the device and must be delivered with it to the customer. Before installation, launch and operation
of Cube O device, the customer should read thoroughly this manual, especially with security section to eliminate risk of harm to the
health or damage to material property. All guidelines mentioned in the manual should be applied without omitting any point. Failure
to adhere to the following points may result in life-threating due to improper transport and installation and can lead to damages to
the unit or its improper operation. The manufacturer shall not be liable for deficiencies during installation and unit improper
operation due to failure to comply with this manual. Meanwhile, the producer’s warranty will not be applied in case of gross
negligence or not complying with this manual.
You should consult the service or manufacturer if this manual contains incomprehensible or ambiguous descriptions.
It should be ensured that all users of unit are complied with this manual before launching it. In case of unit’s transfer to
another user, this manual must also be transferred.
All activities during connecting to electrical installation must be conducted by qualified staff, having necessary
attestations and certificates to work with voltage devices according to the laws of the country.
This manual is only intended to use for persons using or installing the Cube O devices. Its content is legally protected and must not
be copied, translated or processed (including electronic media) in total or partially without the manufacturer’s written declaration
of consent.
FLOWAIR Sp. z. o. o.
(formerly FLOWAIR Głogowski i Brzeziński Sp.J.)
Office:
ul. Chwaszczyńska 135, 81-571 Gdynia
tel. [phone], fax [phone]

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TABLE OF CONTENTS
TECHNICAL DOCUMENTATION: EN
1. IMPORTANT INFORMATION................................................................................................................................................ 5
2. GENERAL INFORMATION .................................................................................................................................................... 7
2.1. Cube O application ...................................................................................................................................................... 7
2.2. Device configuration ................................................................................................................................................... 7
2.3. General characteristics construction Cube O................................................................................................................8
2.4. General characteristics construction of the Cube ORNK configuration with the roof section.........................................9
2.5. General characteristics construction of the Cube OR....................................................................................................9
3. TECHNICAL DATA.............................................................................................................................................................. 10
3.1. Technical parameters..................................................................................................................................................... 10
3.2. Service distances K-roof section ..................................................................................................................................... 11
4. TRANSPORT ...................................................................................................................................................................... 12
4.1. Horizontal transport....................................................................................................................................................... 12
4.2. Lifting information......................................................................................................................................................... 12
5. FOUNDATION.................................................................................................................................................................... 13
5.1. Foundation Cube O unit ................................................................................................................................................. 13
5.2. Roof crossing (Cube O wit K-roof section) ...................................................................................................................... 14
5.3. Cube O with K-roof section installation .......................................................................................................................... 15
5.4. Installation of ceiling devices.......................................................................................................................................... 17
6. INSTALLATION .................................................................................................................................................................. 18
6.1. Hydraulic connection ..................................................................................................................................................... 18
6.2. Hydraulic hub chart for water heater / cooler .................................................................................................................. 19
6.3. Condensation drain........................................................................................................................................................20
6.4. Electric connection.........................................................................................................................................................20
6.5. Installation flow chart..................................................................................................................................................... 23
7. START-UP AND EXPLOITATION ........................................................................................................................................ 25
7.1. Gas heater ..................................................................................................................................................................... 25
7.2. Electric heater................................................................................................................................................................26
7.3. Water heat exchanger....................................................................................................................................................26
7.4. Water cooler ..................................................................................................................................................................26
7.5. Fans............................................................................................................................................................................... 27
7.6. Dampers ........................................................................................................................................................................ 27
7.7. Automation control systems .......................................................................................................................................... 27
7.8. Filter replacment............................................................................................................................................................ 27
8. RESPONSIBILITY TABLE ....................................................................................................................................................28
9. SERVICE AND WARRANTY ................................................................................................................................................29

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TECHNICAL DOCUMENTATION:
EN
1. IMPORTANT INFORMATION
This manual contains important information about preventing possible accidents and damage to Cube O units during operation.
Special care should be taken during all actions with the unit and obey to this manual and all technical data. FLOWAIR shall not be
responsible for any omissions and damages caused by them.
In the manual you will find warnings and important tip marked as below:
Threat of loss of life or
health or permanent
damage to the unit.
Risk of electric shock.
Warnings regarding
unauthorized use of Cube O
devices. Unsafe practices,
the occurrence of which may
result in property damage or
minor personal injury.
Advice and
information on how to
use Cube devices.
SAFETY INFORMATION:
It is prohibited to use Cube units for industrial vacuum caused by renovations or other construction
works when dust, harsh or explosive compounds are emitted.
The device is dedicated to work with air with a maximum dust content of 0,3 g/m3.
The appliance presents a risk of injury from rotating parts.
The appliance presents a risk of injury from sharp edges and considerable weight.
The appliance presents a risk of injury from high and low temperature elements.
The appliance presents a risk of injury from burns from high-temperature exhaust fumes.
Prior to start operations it is essential to switch off the unit with main switch.
Prior to open casing it is essential to assure that electricity is disconnected and secured against
accidental switching on by other persons.
Electrical equipment should be connected to a fixed electrical installation equipped with means for
disconnection from the power source, having contact gaps in all poles, ensuring full disconnection in
overvoltage category III conditions.
Cube O units must not be used by children or adults with reduced mobility, or limited mental abilities.
Cube O units must not be used by non-trained users or who are not familiar with this manual.
Cube O unit must be used in accordance with its intended use.
All installation or service works must be done by qualified staff with proper attestations for electricity.
Staff should wear suitable protective equipment (helmet, glasses, gloves, etc.).
During unit operation, some of its parts heat up over 60°C. Precautions shall be taken. Even after
switching off the unit, high temperature may persist which can lead to skin burns.
Do not touch water exchanger.
Do not touch electric heaters with skin under any circumstances.
In order to comply with CE regulations, only original spare parts accepted by the manufacturer can be
used.
After service works make sure that doors are closed.

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Before unit is launched make sure that all fans and moving parts won’t be interfered by any external
factors.
NAMEPLATE
Each Cube O unit is equipped with a nameplate glued under the main switch (the roof section) or near the automation cabinet (in
ceiling mounted configurations), as shown in the figure below:
The nameplate contains basic product information such as unit’s code allowing to determine configuration, serial number,
parameters and basic electrical and air flow parameters.

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2. GENERAL INFORMATION
2.1. Cube O application
The Cube O devices, due to their modular construction, can be equipped with all the necessary systems for heating, cooling, and
single-direction ventilation of rooms. Depending on the type and size of the Cube O device, it can be applied in the following
facilities:
large industrial buildings.: production or storage halls, printeries, logistic centers,
commercial buildings (shopping malls, supermarkets, petrol stations, car showrooms),
public buildings such as: cinemas, theatres, gyms.
2.2. Device configuration
Cube O units can be additionally equipped with a heater or cooler to increase or cool down the air temperature at the outlet. There
is water heater, electric and gas modulating heater or water cooler. Unit’s size, together with types and optional equipment
creates range described according to chart below:
1
Type
2
Model
OR
Recirculation device
ON
Supply device
ORK
Recirculation device with roof section
ORK
Supply device with roof section
ORNK
Recirculation and supply unit with roof section
3
Source of heat / cold
N
No heater/cooler
W2
2-row water heater
W3
3-row water heater
C2
2-row water cooler-heater
C3
3-row water cooler-heater
G[xx]
Gas heater [nominal heating power in kW]
E[xx]
Electric heater [nominal heating power in kW]
4
Fan type
A
EC axial fan
2A
2x EC axial fan
P1
EC radial fan size 1
P2
EC radial fan size 2
P3
EC radial fan size 3
P4
EC radial fan size 4
5
Supply module
D
Swirl diffuser with actuator
V[x]
Ventilation ducts connections [number of duct connections]
J[x]
Long range nozzles [number of air nozzles]

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Full unit’s configuration is set on ordering process, leaded by our Sales Department or Project Support Department
consultations.
2.3. General characteristics construction Cube O
1. K-Roof section (ORK, ONK, ORNK)
2. Axial fan section (A, 2A)
3. Water cooler section (C2, C3)
4. Radial fan section (P1, P2, P3, P4)
5. Electric heater section (E)
6. Water heater section (W2, W3)
7. Supply module (D, V, J)

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2.4. General characteristics construction of the Cube ORNK configuration with the roof section
1. EC radial fan
2. Recirculation damper
3. Fresh air filter
4. Recirculation air filter
5. Gas heater (Cube O –G)
6. Acoustic silencers
7. Housing with insulation
8. Possible supply module configurations
D - swirl diffuser with actuator
V - ventilation ducts connections
3J - long range nozzles
2.5. General characteristics construction of the Cube OR
1. EC axial fan
2. Water heater
3. Housing with insulation
4. Possible supply module configurations
D - swirl diffuser with actuator
V - ventilation ducts connections

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3. TECHNICAL DATA
3.1. Technical parameters
Options
Model
OR
ON
ORNK
ONK
ORK
Nominal air flow
m3/h
12 000
12 000
12 000
12 000
12 000
Water heater
[-]
available
available
available
available
available
Water cooler
[-]
available
available
available
available
available
Electric heater
[-]
on request
on request
on request
on request
on request
Gas heater
[-]
available
available
available
Filters
[-]
Coarse 80% (~G4) / ePM2,5 65% (~F7) / ePM10 50% (~M5)
Construction data
Construction
Thermal insulation class
-
M0
Casing / middle panel color
-
RAL 7035
Casing
-
insulated panels with 50 mm mineral wool
Main frame
-
steel, integrated
Weight
kg
>60
<460
Electrical data
Electrical data
Max. power consumption
kW
on request
Max. current consumption
A
on request
Power supply
V/Hz
3x400/50
Optional data
Water heater (Cube W)
Type of exchanger
-
2-row / 3-row
Nominal heating power (1)
kW
14,0 –68.3 / 16,8 –100,8
3J - long range nozzles