BROAD Clean Air SQ1000 User manual

2-YEAR WARRANTY
USER'S MANUAL
BROAD CLEAN FRESH AIR MACHINE
2022 11 En
SQ1000, SQ1500, SQ3000
Username:
400-883-9333

SAFETY INSTRUCTIONS
Contents
Controller Interface ……………………………………………………………01
Operation ………………………………………………………………………02
Information ………………………………………………………………………05
Product Composition …………………………………………………………06
Maintenance & Warranty ……………………………………………………09
Electrostatic Cleaner & Coarse Filter Cleaning ………………………10
HEPA Filter Replacement ………………………………………………………11
Troubleshooting of fresh air machine ………………………………………12
Optional air conditioning function …………………………………………13
Troubleshooting of A/C fan coil ……………………………………………14
Handling and installation ……………………………………………………15
Delivery scope and accessories list ………………………………………16
System installation example …………………………………………………17
Overall dimension drawing …………………………………………………18
After-sale service ………………………………………………………………20
1. Please read this manual carefully and retain for future use.
2. Make sure that the power voltage is consistent with the voltage indicated
in the label pasted on the machine.
3. The power cord shall comply with local standards. If it is damaged, it must
be repaired or replaced by the manufacturer or a qualified professional to
avoid electric shock.
4. The grounding wire shall well insulated.
5. When opening the machine door, do not press the safety switch with
hands or other objects to prevent electric shock and avoid scratching.
6. Clean the internal parts of the machine or cut off the power before
maintenance, and remove the baffle and protective cover for cleaning,
Water is not allowed inside.
7. Do not block the exhaust vent and air supply vents of the fresh air machine.
8. This product is not suitable for people with low physical function and
intelligence level (including children) to operate.
9. Do not dispose this product with ordinary garbage. Take it to a qualified
electrical waste station for recycling.

TO USERS
Dear Users,
Thank you for choosing BROAD Clean Fresh Air Machine.
Since its establishment, BROAD has been adhering to the service motto of
"Sincerity, Diligence and Strictness", and the philosophy of "Providing.
Unique Value for Customers". BROAD has been continuously improving our
service and our quality to ensure that all BROAD's clean fresh air systems provide
indoor air that is 100 times cleaner than outdoor air, and this commitment will
be fulfilled throughout the product’s lifespan.
In order to ensure the long-term stable operation of the product to create
a healthy and comfortable working and living environment, we have made
a Scope of Work for BROAD service engineers to follow. We appreciate your
support and supervision, and welcome your comments.
1. The engineer must make an appointment in advance with the user for on-site service.
If the engineer cannot keep the appointment for any reason, a call to the customer
should be made at least 15 minutes in advance.
2.The engineer must train the user on machine operation, and should demonstrate
electrostatic cleaner dust scraping and cleaning, as well as purification efficiency
testing during the first site service.
3.Air quality standard: The air from the fresh air outlet must be 1,000 times cleaner than
the outdoor air, and the indoor air must be 100 times cleaner than outdoor air (or up
to acceptance standard).
4.The engineer must conduct air detection after service. If not meeting the standard, a
written explanation and improvement recommendation should be made.
5.The working site must be cleaned after the service is finished.
6. All service work must be well recorded.
This manual serves as a maintenance guide book, which is of great significance
to the operation and management of the fresh air machine. Please keep it
handy.
Thank you again for your support. We appreciate your supervision and valuable
suggestions.

1
CONTROLLER INTERFACE
To turn on the Fresh Air Machine, press "On"
To turn off the Fresh Air Machine, press "Off"
Air Volume Frequency Adjustment press
Others: Press " " to return to the main interface (It will revert
automatically with no operation for 2 minutes. The same below)
Exhaust air
temperature
indoor
temperature
Fresh air
temperature
Fresh air
volume per
hour
Fan frequency
Outdoor
temperature
Freshness A.C.
1350
680
ppm
24.1
25.3 35.6
34.9 °
°
C
C
CO
2
45
Hz
m
3h
Power on: Press "All On", or enter the control interface of each
component to start up
Power off: Press "All Off", or enter the control interface of each
component to start down (only for linkage items)
Time
All On
On
All Off
Off
Fault
Fresh Air Unit
Help
Energy
Cosumption
Settings
A/C
09/11/2022 Saturday 11:45
Click here to set Self-controlled Freshness
Carbon
dioxide
concentration

2
OPERATION
• To get the energy
consumption data of
the current year, current
month and current day
• "Heat recovery" refers
to the heat recovery
efficiency of fresh air
• Press "Settings" in the
main interface to enter
the corresponding setting
interface
• Set up auto on / off, select
the linkage component,
correct the time, set up the
screen display time, and
calibrate the touch screen
Timer
Linkage selection
Date and time
ECO mode
Screen timeout selection
Touch calibration setting
Bypass valve setting
E&F air rate setting
Energy consumption
Energy consumption
Settings
Time
Time
This year
Last year
Real time
Today
Month
Heat
Heat
Fan
Fan
A/C
A/C
2.43
（55.10
% ）0.751 0
0
0496821
11.2718.26
kWh
kWh
kW
430711982 0
771421948
kWh
kWh
0

3
• Only one timing mode can be
selected each time (The black
dot in the center of the circle
indicates valid selection)
• Multiple time periods can be
selected for the on/ off timing
mode (The "√" in the box
indicates valid selection)
• Press the time in the box and
a numeric keypad will pop up.
Complete the time modification
• When setting the timing, the
Clean Fresh Air Machine icon
must be selected in the linkage
selection interface
Time mode
Everyday Once only
Working days (from Monday to Friday)
Everyday On~off time
Timing1
Timing2
Timing3
08:00 ～12:00
14:00 ～18:00
20:00 ～23:30
Confirm
Confirm
• The On/Off, All On, All Off, Timing
and other controlling systems
are only effective for those items
selected for linkage control
• The unselected items will not be
functioning simultaneously
• After the linkage items are
selected, go to the main
interface for "All On" or "All Off"
to run the machine
• Please go to the engineer
interface for linkage setting
Linkage selection
Broad clean fresh air machine
A/C coils
Humidifier
• The modification of date and
time value is the same as
"Timing"
• Only one language can be
selected each time (the black
dot in the center of the circle
indicates valid selection)
• "Engineer Password" is for service
engineers only
Date and time
Time
Date
Leaguage 中文
English
Engineer´s password
08:40
2022/11/09
* * * * * * OK
OPERATION

4
Confirm
Confirm
OPERATION
• Set up the screen display time
• Only one of the above times
can be selected each time
(the black dot in the center
of the circle indicates valid
selection)
• Press Confirm for confirmation
Screen timeout selection
10 Seconds
30 Seconds
60 Seconds
2 Hours
• The Fresh Air Machine will
automatically stand by on
auto-off mode and resume
operation immediately when
detecting people
• The postpone time can be set
as per actual need
• Press the time value to
enter the setting interface.
After entering the value,
press Confirm to save the
modification
Energy conservation mode
Shut down when no person
Shut down when no person around
h
8
• For touchscreen deviation
• If you do not want to continue
after entering the calibration
interface, press the "Back" key
• Press the prompt cursor "■" to
complete all operations and
save the parameters
Touch calibration setting
Touch the box

5
INFORMATION
• Press "Help" to enter this
interface
• "Brief Description" introduces
matters that need attention
during operation
• Press the left button to return,
press the right button for
troubleshooting query. See
page 12 for details
• Go to the page after "Brief
Description in the " Help"
interface
• Seek specific solution for
troubleshooting
• Press the left button to return,
press the right button for more
troubleshooting solutions(See
page 12 for details. For items
marked with *, please seek
immediate help from BROAD
or a BROAD authorized service
provider)
Troubleshooting
Phenomena
Big noise 1. Pan speed is
too high
2. Fan bearing or
rotor failuer
3. Wall or ground
is uneven
1. Lower fan frequency
2. Repair*
3. Fasten the bolts
or level the wall or
ground *
1.Close the door again
2.Replace it *
No blow
Causes Solutions
• If a fault occurs, the
"Fault" button on the main
interface will turn into a white
background automatically,
press "Reset" to clear the alert
• If the CO2concentration
exceeds the upper limit, please
immediately increase the air
volume of the fresh air machine
• If the electrostatic cleaner
cleaning prompt appears,
clean or replace as soon as
possible
• For fresh air machine
component failure, please seek
immediate help from BROAD
or a BROAD authorized service
provider
Fault
Reset
1. The door is not
properly closed
2. Fan motor failure
Fresh air machine Indoor air temperature probe fault
Brief description
1. The automatic freshness control refers to the control
of CO2concentration. When the CO2concentration
is too high, the air speed will increase automatically
to reduce the CO2concentration below the set
value. Vice Versa.
2. On the automatic freshness control mode, the fan
frequency rises and falls automatically to ensure the
freshness and comfort of the indoor environment,
while at the same time saving energy.

6
COMPONENTS
Human detection
sensor (optional)
Controller
Indoor CO2
sensor
HEPA Filter
Filters PM2.5 by 99.9%
(power efcient and
low noise design)
Fresh air blower
Electrostatic
cleaner
Filters small
particles by 98%
Exhaust air
blower
(power efcient and
low noise design)
Coarse lter
Filters big dust by 70%
Fresh air from
outdoors
Fresh air temp.
probe
T3
Outdoor air
temp. probe T4
T2
Exhaust air
temp. probe
C
T1
Indoor air
temp. probe
Clean fresh air outlet
To the bedrooms, living room and ofces
Exampled Mode: SQ1000
Air heat
exchanger
From the kitchen and toilet
Exhaust air inlet

7
COMPONENTS
Exampled Mode: SQ1500
T3
T4
T2
C
T1
Indoor
CO2
sensor
Fresh
air from
outdoors
Outdoor
air temp.
probe
Indoor
air temp.
probe
From the kitchen
and toilet
Exhaust air inlet Clean fresh air outlet
To the bedrooms
living room and ofces
HEPA Filter
Filters PM2.5 by
99.9%
Human detection
sensor (optional)
Fresh air temp.
probe
Controller
Electrostatic
cleaner
Filters small
particles by 98%
Air heat
exchanger
(power efcient and
low noise design)
Fresh air blower
Exhaust air
blower
(power efcient
and low noise
design)
Coarse lter
Filters big dust by 70%
Exhaust air
temp. probe