Blue Ridge BM12M22CNS Manuale utente
Installation Manual
Low-wall air handler
Model
BM12M22CNS
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
Table of Contents
Installation Manual
Accessories.................................................................. 04
Safety Precautions................................................. 05
Installation Summary - Indoor Unit.......... 06
Indoor Unit Installation ..................................... 07
Indoor Unit Parts.......................................................... 07
Indoor Unit Installation Instructions ................... 08
Drainpipe Installation ......................................... 12
Refrigerant Piping Connection .................... 14
Note on Pipe Length .......................................... 14
Connection Instructions .................................... 16
Wiring............................................................................... 17
1
2
3
4
5
6
7
LN
1
Accessories
Page 4 Revised 5/14/2020
Accessories
The air conditioning system comes with the following accessories. Use all of the installation parts and
accessories to install the air conditioner. Improper installation may result in water leakage, electrical
shock and re, or equipment failure.
Name Name Shape Quantity
Refrigeration Fittings Soundproof / insulation sheath (some models) 2
Installation Fittings Hook 2
Drainpipe Fittings
(for cooling & heating)
Drain joint (some models) 1
Seal ring (some models) 1
EMC Magnetic Ring
(some models)
Magnetic ring
(wrap the electric wires S1 & S2 ( P & Q & E )
around the magnetic ring twice)
1
Magnetic ring
(Hitch on the connective cable between the
indoor unit and outdoor unit after installation.)
1
Others
Owner‘s manual 1
Installation manual 1
Refrigerant line adaptor - 1/2" to 5/8"
NOTE: Pipe size may dier from appliance
to appliance. Use the refrigerant adapter if
needed always at the condenser.
1
(on some
models)
Refrigerant line adaptor - 1/4" to 3/8"
NOTE: Pipe size may dier from appliance
to appliance. Use the refrigerant adapter if
needed always at the condenser.
1
(on some
models)
Refrigerant line adaptor - 3/8" to 1/2"
NOTE: Pipe size may dier from appliance
to appliance. Use the refrigerant adapter if
needed always at the condenser.
1
(on some
models)
Red short connected wire (Applied to the W/L
pin of outdoor unit terminal block be short-
circuited.)
1
(on some
models)
Optional accessories
• There are two types of remote controls: wired and wireless.
• Select a remote controller based on customer preferences and requirements and install in an
appropriate place.
• Refer to catalogues and technical literature for guidance on selecting a suitable remote
controller.
S1&S2(P&Q&E)
2
WARNING
WARNING
CAUTION
Safety
Precautions
Page 5
Revised 5/14/2020
Note about Fluorinated Gasses
1. This air-conditioning unit contains uorinated gasses. For specic information on the type of gas
and the amount, please refer to the relevant label on the unit itself.
2. Installation, service, maintenance and repair of this unit must be performed by a certied
technician.
3. Product uninstallation and recycling must be performed by a certied technician.
4. If the system has a leak-detection system installed, it must be checked for leaks at least every 12
months.
5. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.
Safety Precautions
Read Safety Precautions Before Installation
Incorrect installation due to ignoring instructions can cause serious damage or injury.
The seriousness of potential damage or injuries is classied as either a WARNING or CAUTION.
Failure to observe a warning may result in death. The appliance must be
installed in accordance with national regulations.
Failure to observe a caution may result in injury or equipment damage.
• Carefully read the Safety Precautions before installation.
• In commercial environments, such as restaurant kitchens, server rooms, etc., the use of
specially designed air-conditioning units is highly recommended.
• Only trained and certied technicians should install, repair and service this air
conditioning unit.
Improper installation may result in electrical shock, short circuit, leaks, re or other damage
to the equipment and personal property.
• Strictly follow the installation instructions set forth in this manual.
Improper installation may result in electrical shock, short circuit, leaks, re or other damage
to the equipment.
• Before you install the unit, consider strong winds, typhoons and earthquakes that might
aect your unit and locate it accordingly. Failure to do so could cause the equipment to fail.
• After installation, ensure there are no refrigerant leaks and that the unit is operating
properly. Refrigerant is both toxic and ammable and poses a serious health and safety risk.
3
Installation Summary - Indoor Unit
1 2 3
5
LN
Install the indoor unit
(Page 7)
Install the outdoor unit
(Separate Manual)
Install the drainpipe
(Page 12)
Connect the refrigerant
pipes (Page 14)
Connect the wires
(Page 17)
INSTALLATION ORDER
4
Installation
Summary
Page 6 Revised 5/14/2020
4
Indoor Unit Installation
Drain hose
Refrigerant connecting
pipe
Display panel
Air inlet (with air filter in it)
Air flow louver (at air outlet)
Air flow louver (at air outlet)
Indoor Unit Parts
Safety Precautions
Fig. 4.1
Indoor Unit
Installation
Page 7
Revised 5/14/2020
WARNING
• Securely install the indoor unit on a
structure that can sustain its weight. If
the structure is too weak, the unit may
fall and cause personal injury, unit and
property damage, or death.
• DO NOT install the indoor unit in a
bathroom or laundry room as excessive
moisture can short the unit and corrode
the wiring.
• Install the indoor and outdoor units,
cables and wires at least 3 feet from
televisions or radios to prevent static
or image distortion. Depending on the
appliances, a 3 foot distance may not be
sucient.
• If the indoor unit is installed on metal, it
must be electrically grounded.
CAUTION
Indoor Unit Installation Instructions
Fig. 4.2
Indoor Unit
Installation
Page 8 Revised 5/14/2020
Step 1: Select installation location
The indoor unit should be installed in a location
that meets the following requirements:
Enough room for installation and maintenance.
Enough room for the connecting pipe and
drainpipe.
The ceiling is horizontal and its structure can
sustain the weight of the indoor unit.
The air inlet and outlet are not impeded.
The airow can ll the entire room.
There is no direct radiation from heaters.
NOTE: Panel installation should be performed
after piping and wiring have been completed.
DO NOT install the unit in the following
locations:
Areas with oil drilling or fracking
Coastal areas with high salt content in the
air
Areas with caustic gases in the air, such as
near hot springs
Areas with power uctuations, such as
factories
Enclosed spaces, such as cabinets
Areas with strong electromagnetic waves
Areas that store ammable materials or gas
Rooms with high humidity, such as
bathrooms or laundry rooms
CAUTION
RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT
The distance between the mounted indoor unit should meet the specications illustrated in the
following diagram. (See Fig. 4.2)
≥
≥
≥
≥
Fig. 4.3
Indoor Unit
Installation
Page 9
Revised 5/14/2020
Hook
Fig. 4.4
Fig. 4.5
Indoor Unit
Installation
Page 10 Revised 5/14/2020
Step 2: Installing the main body
• Ax the hook with a tapping screw onto the wall.
• Hang the indoor unit on the hook.
(The bottom of body can touch the oor or remain suspended, but the body must be installed
vertically.)
Hook
Tapping
screw
Washer
Indice
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