Tuma Flow2one Plus+ Product guide

AHR15E24 / AHR15N24
Operating and Assembly Manual
Single Room Fresh Air Exchanger

Operating Environment
Thank you for purchasing our product!
This product is applicable to different wall thickness as figure 1 below. The
measurement of the wall thickness shall include the thickness of decorative
walls, such as interior decoration, exterior stone design, and tile, etc.
In case of further installation and maintenance, we recommend that this
product shall installed near the wall of the balcony or window. Also, reserve
enough space for the machine body and electricity. Other special walls or
outdoor environments need professionals to evaluate if the reinforcement
work is required, such as waterproofing.
Please read this manual carefully before use, use the product accordingly
and keep the manual in a safe place.
In order to protect your right and interests, please make sure that the dealer
records the purchase date, dealer’s name, etc. on the guarantee.
01
A.
175B.130
157
1665
A B (Wall Thickness)
505 200
555 250
605 300
655 350
Unit/mm
Chart 1

CAUTION
Short Circuit or Electric Shock Hazard:
-Do not mount in places with excessive moisture.
-Do not install the product near the shower room or above the bath tub in the
bathroom or near places where it gets wet or immersed in water easily.
-Do not spray water directly on this device.
-Do not turn on the switch with wet hands.
Possible damage:
-Do not mount over heating sources such as cooking equipment , or in places with
temperatures over 40℃.
-Do not mount on windows, thin plates or in places with insufficient support
strength.
Possible damage or fire :
-Do not use power sources outside the rated voltage.
-Do not use alternative mounting methods other than what is instructed in this
manual.
Do not use alternative mounting methods other than what is instructed in this
manual.
Risk of Electric Shock Due to Inadequate Wiring :
Any alteration to the internal wiring in this device is not allowed. In case of failure,
please contact the service station.
To Prevent Accidents :
-The bottom of the unit must be installed 1.5 meters or more above the ground.
-No water pipes are allowed to pass through above the product and 2 meters
around it.
-In case of gas leakage, Do Not turn on this device.
-This device shall not be operated or maintained by children or inexperienced
individuals.
To avoid leakage of dangerous gases, please do not install the unit in the area with
odor or dangerous gases.
To avoid the poisoning of carbon oxide, please do not use the unit in the area with
Gas or Oil heater.
When the unit has abnormal behaviors, like noise, vibration, burning smell, please
turn off the unit and contact local distributors.
(for EU region) This appliance can be used by children aged from 8 years and above
and persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given supervision or instruction
concerning use of the appliance in a safe way and understand the hazards involved.
(for EU region) Children shall not play with the appliance.
(for EU region) Cleaning and user maintenance shall not be made by children
without supervision.
(for other than EU region) The appliance is not to be used by persons (including
children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been given supervision or
instruction.
(for other than EU region) Children being supervised not to play with the appliance.
Duct Installation needs to away from the lights at least 30 cm or above. To prevent
the insect getting into your house through the duct.
02

03
Indoor Box
Outdoor Box
2-way duct 1 pcs
Unit
Wall bracket
Instruction manual
Unit wire ( 1800mm )
White plastic anchor ( Ø7.5×25mm )
Long screw ( Ø4×25mm )
Short screw ( Ø4×8mm )
White rubber plugs
Disposable PM2.5 filter
Active charcoal
Remote control
Hanging rod
Mointing frame
Screw ( Ø4×8mm )
Screw ( Ø3×5mm )
Gray rubber plugs
1 pcs
1 pcs
1 pcs
1 pcs
4 pcs
4 pcs
4 pcs
4 pcs
1 pcs
1 pcs
1 pcs
1 pcs
2 pcs
4 pcs
4 pcs
4 pcs
Unit
Kits
Filter
Hanging
Kits

04
INSTALLATIONS
Remove the wall bracket inside the unit kits.
Use a leveling rod, to mark 1 installation
hole and 4 holes for screws on the wall,
according to the illustrations of installation
requirements.
Install the unit around a wall socket or use
an extension cord, if necessary.
150cm
25cm
25cm25cm
The installation hole shall not be drilled on
any wall that may be hazardous to building
structure, including any beam, pillar,
load-bearing wall, etc. Keep away from the
electrical wires embedded in the walls.
No obstacles should be within the
surrounding area 25cm away from the
appliance unit. The appliance unit shall be
at a height more than 150 cm above the
floor level.
We recommend that this appliance
installation shall near the wall of the
balcony or window in case of further
installation and maintenance.
a.
b.
c.
Attention
Pick the wall bracket and aim at the
mounting hole.
Use a wall drilling tool to drill a hole of
Ø160mm on the wall where the
installation hole is marked. At the marked
points for the screw holes, drill the
reaming holes of 6mm in diameter, over
30mm in depth.
Insert a plastic screw anchor into each
screw hole.
Ground
Mounting hole
Mounting hole
White plastic anchor
Ø7.5×25mm
a.
b.
WALL
WALL
Attention
If the drilling position is around area, please
consult the professional technician to see if
any other reinforcement work is required,
such as waterproofing.
Spirit level
1
2-1
2-2
2-3
2
1-1
1-2
1-3
The direction of drilling shall be vertical to
the wall.

Mounting hole
Spirit level
05
Screw Ø4×25mm
Place the 2-way duct into the installation
hole.
Make sure that the “UP”pattern on the
duct's wall bracket is facing up.
After using a leveling rod to make sure that
the 2-way duct is in a horizontal situation,
push the 2-way duct into the very end of
the hole.
3-1
3-2
3-3
3
Take out the unit wall bracket of the
appliance unit, align it with the screw holes
that have been drilled following Step 2,
and then fasten the unit with screws.
4-1
4
Take out the hanging rod, and then lock
two mounting frames onto the hanging
rod.
The average bearable weight to the hanging
rod is 10 Kg.
Attention
5-1
5
Lock the hanging rod, which has been set
up pursuant to Step 5, onto the appliance
unit.
6-1
6
Screw
Ø4×8mm
Hanging rod
Mointing frame
Screw Ø3×5mm
Gray rubber plugs
Unit
Wall bracket

06
Wall bracket
Unit
Racks
Take out the appliance unit, and then insert
it into the wall bracket racks on the wall.
Use screws to lock the appliance unit onto
the wall bracket racks. Then, insert the
white rubber plugs into the screw holes.
7-1
7-2
7
Unit
Screw Ø4×8mm
White rubber plugs
Unit wire
Connect the unit wire.
8-1
8

07
PANEL DISPLAY
Monitor the amount of
indoor carbon dioxide.
When the screen is
flashing with the
symbol of , it is set
to turn off the
appliance in 2 hours as
shown on the timer.
When this screen is
flashing with the
symbol of , it is set
to turn off the
appliance in 4 hours as
shown on the timer.
When this screen is
flashing with the
symbol of , it is set
to be “OFF” as
shown on the timer.
When the GREEN light
is on, the indoor
amount of PM2.5 is
normal.
When the ORANGE
light is on, the indoor
concentration of PM2.5
exceeds the normal
level.
When this light is on,
the unit is in “Smart”
mode, adjusting the
airflow with automatic
detection.
When this light is on,
the unit is
in“Purify”mode at
high speed operation.
When this light is on,
the unit is
in“Fresh”mode at
medium speed
operation.
When this light is on,
the unit is in“Sleep”
mode at low speed
operation.
When this light is on,
you need to change the
filter (If your daily use is
around 5-6 hours, the
filter can last for 1 year).
Filter Reset Button
FILTER REPLACEMENT
When the light on the panel is on, it
signals that the filter needs to be replaced.
After removing the panel and replacing
the filter, press the“Filter Reset Button”to
reset and then restore the panel, it mean
the reset process is completed, then
restore the panel cover back to unit. Once
the setting has been completed, the light
on the panel will turn off.

Short Circuit or Electric Shock Hazard:
-Do not mount in places with excessive moisture.
-Do not install the product near the shower room or above the bath tub in the
bathroom or near places where it gets wet or immersed in water easily.
-Do not spray water directly on this device.
-Do not turn on the switch with wet hands.
Possible damage:
-Do not mount over heating sources such as cooking equipment , or in places with
temperatures over 40℃.
-Do not mount on windows, thin plates or in places with insufficient support
strength.
Possible damage or fire :
-Do not use power sources outside the rated voltage.
-Do not use alternative mounting methods other than what is instructed in this
manual.
Do not use alternative mounting methods other than what is instructed in this
manual.
Risk of Electric Shock Due to Inadequate Wiring :
Any alteration to the internal wiring in this device is not allowed. In case of failure,
please contact the service station.
To Prevent Accidents :
-The bottom of the unit must be installed 1.5 meters or more above the ground.
-No water pipes are allowed to pass through above the product and 2 meters
around it.
-In case of gas leakage, Do Not turn on this device.
-This device shall not be operated or maintained by children or inexperienced
individuals.
To avoid leakage of dangerous gases, please do not install the unit in the area with
odor or dangerous gases.
To avoid the poisoning of carbon oxide, please do not use the unit in the area with
Gas or Oil heater.
When the unit has abnormal behaviors, like noise, vibration, burning smell, please
turn off the unit and contact local distributors.
(for EU region) This appliance can be used by children aged from 8 years and above
and persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given supervision or instruction
concerning use of the appliance in a safe way and understand the hazards involved.
(for EU region) Children shall not play with the appliance.
(for EU region) Cleaning and user maintenance shall not be made by children
without supervision.
(for other than EU region) The appliance is not to be used by persons (including
children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been given supervision or
instruction.
(for other than EU region) Children being supervised not to play with the appliance.
Duct Installation needs to away from the lights at least 30 cm or above. To prevent
the insect getting into your house through the duct.
08
INTRODUCTION OF REMOTE CONTROL FUNCTIONS
REMOTE CONTROL AND UNIT SETTING
Figure B Figure CFigure A
※ A button cell CR2025 is a prerequisite. Any used cell should be recycled.
※ Be sure to remove the cell, if the appliance is not in use for a longer period of time.
Do not turn the product on before the pairing
setup.
<Attention>
Complete the remote pairing between remote
control and the product itself as soon as the
remote control is activated initially. Make sure
that the product is connected to the indoor
power supply, while the batteries are properly
installed in the remote control.
1.Press and hold the SMART button at the
bottom of the appliance unit (as shown in Fig.
A, the second button from the right) until the
panel screen is flashing as shown in Fig. B, and
then release the key (If you do not take the next
step within 15 seconds, the remote pairing will
fail and end. Please start over.)
2.Press and hold the POWER key on the
remote control, and then the panel screen will
be displayed as Fig. C. This means the remote
pairing setup is completed. You can now start
to use the functions through this remote
control.
Power
Turn on or off the power. Screen Light
Press this key to turn off the flashing
pattern on the panel (the appliance
is still running); press it again to turn
on the flashing pattern on the panel.
Program Timer
Press this key to select any of the
following options:
Press once-
The unit is set to turn off in 2 hours.
Press twice-
The unit is set to turn off in 4 hours.
Press for three times-
Turn off the timer.
Purify
Purify the air at high speed.
Fresh
Input fresh air at medium speed.
Sleep
Low speed with quiet operation, for
you to sleep tight.
Smart
Automatically detect the indoor air
quality and adjust the input/output
volume of fresh air.
Power
Smart
Sleep
Purify
Fresh

09
MAINTENANCE AND CLEANING
1/ Always turn off the power and unplug the power cord before
maintenance or cleaning.
2/ Do not use gasoline, toluene, cleaning powder or any other similar
chemicals to wipe the appliance.
3/ Do not use any liquid or detergent over 60℃ to clean the plastic parts, for
fear of causing any deformation or discoloration on such plastic parts .
4/ Do not spray any water onto electrical components such as motor, for
fear of malfunction or electric shock.
5/ Annual routine repair and maintenance is recommended, in order to
ensure normal operations of the appliance.
a.Use a vacuum cleaner to
remove dust from the appliance.
b.Use a well-wrung rag to wipe
or clean the appliance.

10
DIMENSIONS
Unit/mm
462.6
282.3
68.5
140.7 20.0
500
336
35
390
A.
175B.130
157
1665
A B
5 0 5 2 0 0
5 5 5 2 5 0
6 0 5 3 0 0
6 5 5 3 5 0
The plug type will be varied by
different countries.
SPECIFICATIONS
Sleep
85
40
10
26
Model
Rated Voltage
Mode
Intake Air
Exhaust Air
Power Consumption
Noise
Heat Recovery Efficiency
Weight
(V)
( m3/h )
( m3/h )
(W)
( dB(A) )
( % )
( Kg )
Fresh
140
70
30
39
Purify
200
70
46
44
AHR15E/AHR15N Series
100-240 V , 50-60 Hz
70 (Max)
9.3

SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO.,LTD.