Blue Ridge BM18MFCC Manuel utilisateur
Installation Manual
Wall Ceiling air handler
Model
BM18MFCC
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
Page 2
Table of Contents
Installation Manual
Accessories.................................................................. 03
Safety Precautions................................................. 04
Installation Summary - Indoor Unit.......... 05
Indoor Unit Installation ..................................... 06
Indoor Unit Parts.......................................................... 07
Indoor Unit Installation Instructions ................... 08
Drainpipe Installation ......................................... 09
Refrigerant Piping Connection .................... 11
Note on Pipe Length .......................................... 11
Connection Instructions .................................... 11
Wiring............................................................................... 14
1
2
3
4
5
6
7
LN
1
Accessories
Page 3
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
Remote Control Remote controller (some models) 1
Batteries AAA 2
Remote control
holder (some models)
Remote sheath 1
Screws for remote sheath 2
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)
S1&S2(P&Q&E)
2
WARNING
WARNING
CAUTION
Safety
Precautions
Page 4 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.
Installation
Summary
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 11)
Connect the refrigerant
pipes (Page 13)
Connect the wires
(Page 16)
INSTALLATION ORDER
4
Installation
Summary
Page 5
Revised 5/14/2020
4
Indoor Unit Installation
Safety Precautions
Indoor Unit
Installation
Indoor Unit Installation Instructions
Step 1: Select installation location
The BM18MFCC can be installed vertically on a
low wall or horizontally on the ceiling. Your
chosen location should meet these conditions:
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
Page 6 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
Step 2: Install the main body
This unit surface-mounts on ceilings or low walls. For a ceiling installation, locate your ceiling type
from the diagrams below and perform the indicated actions. The unit should be hung from threaded
rod in all ceiling installations.
WOODEN ROOF
Screw or nail 2X4 across roof beams, drill holes
and bolt through M10 or M8 threaded rod.
CONCRETE SLAB
Use concrete anchors that accommodate M10
or M8 threaded rod.
STEEL ROOF BEAM STRUCTURE
Drill through angle steel and bolt in M10 or M8
threaded rod.
Refrigerant suction
line connection
Refrigerant liquid
line connection
Drain point
Hook
Timber over roof beam
Roof beam
Ceiling
Hanging screw bolts
Hanging screw bolt
Threaded rod
Angle steel
1. Ceiling Mount Installation
Page 7
Revised 5/14/2020
Ceiling Installation cont'd
• Remove the side covers and the grille.
• Bolt the threaded rod to the hanging bracket
as shown below.
Back of unit shown
Grille
Side cover
Hanging Brackets
Threaded rod
Screw nut
Washer
Hanging screw bolt
Hanging arm
Gas refrigerant line
connection
Liquid refrigerant line
connection
Drain connection
Loosen the rear mount points to achieve a
slight tilt toward the drain connection.
For best results, secure the unit through the mount points to wall studs
with lag screws. If attaching to drywall or concrete, use appropriate
anchors and test by applying side to side pressure. It is acceptable to
rest the unit on the oor, provided you still secure it to the wall.
2. Wall Mounted Installation
Indoor Unit
Installation
Page 8 Revised 5/14/2020
Fig. 5.1 Fig. 5.3
Fig. 5.2
Drainpipe
Installation
Page 9
Revised 5/14/2020
5
Drainpipe Installation
The drainpipe is used to drain water away from
the unit. Improper installation may cause unit
and property damage.
• Insulate all piping to prevent condensation,
which could lead to water damage.
• If the drainpipe is bent or installed
incorrectly, water may leak and cause a
water-level switch malfunction.
• In HEAT mode, the outdoor unit will
discharge water. Ensure that the drain
hose is placed in an appropriate area to
avoid water damage and slippage.
• DO NOT pull the drainpipe forcefully. This
could disconnect it.
CAUTION
NOTE ON PURCHASING PIPES
NOTE ON DRAINPIPE INSTALLATION
Installation requires either 5/16" inner
diameter polyethylene tube or PVC drain
pipe sold separately.
• When using an extended drainpipe,
tighten the indoor connection with an
additional protection tube. This prevents
it from pulling loose.
• The drainpipe should slope downward
at a gradient of at least 1/100 to prevent
water from owing back into the air
conditioner.
• Incorrect installation could cause water to
ow back into the unit and ood.
Indoor Drainpipe Installation
Install the drainpipe as illustrated in Figure 5.2.
1. Cover the drainpipe with heat insulation to
prevent condensation and leakage.
2. Attach the mouth of the drain hose to the
unit’s outlet pipe. Sheath the mouth of the
hose and clip it rmly with a pipe clasp.
(See Fig 5.1)
Drainpipe
connecting port
Drain hose
Pipe clasp Insulation
Lean over 1/100
NOTE: When connecting multiple drainpipes,
install the pipes as illustrated in Fig 5.3.
≥
4”
Fig. 5.4
Drainpipe
Installation
Page 10 Revised 5/14/2020
3. Using a 2.5” hole saw drill, drill a hole in the
wall. Make sure that the hole is drilled at a
slight downward angle, so that the outdoor
end of the hole is lower than the indoor end
by about 0.5”. This will ensure proper water
drainage (See Fig. 5.4). Place the protective
wall cu in the hole. This protects the edges
of the hole and will help seal it once you
nish installation.
4. Pass the drain hose through the wall
hole. Make sure the water drains to a
safe location where it will not cause water
damage or a slipping hazard.
NOTE: When drilling the hole, make sure to
avoid wires, plumbing, and other sensitive
components.
NOTE: The drainpipe outlet should be at
least 1.9” above the ground. If it touches the
ground, the unit may become blocked and
malfunction. If you discharge the water directly
into a sewer, make sure that the drain has a U
or S pipe to catch odors that might otherwise
come back into the house.
Wall
Indoor
Outdoor
≈ 0.5 inch
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