Mars B-VFH12MB-1 User manual

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Installation & Operation Manual
VFH-B Series
Inverter Multi Zone Ductless Mini-Split
B-VFH09MB-1
B-VFH12MB-1
B-VFH18MB-1
B-VFH24MB-1

Installation & Operation Manual - VFH-B 9/12/18/24 Series

Installation & Operation Manual - VFH-B 9/12/18/24 Series
Content
Operation Notices
Precautions............................................................................................................1
Parts Name............................................................................................................6
Screen Operation Guide
Buttons on remote controller..................................................................................7
Introduction for icons on display screen.................................................................7
Introduction for buttons on remote controller.........................................................8
Operation guide...................................................................................................
Replacement of batteries in remote controller......................................................
Special functions...................................................................................................13
15
15
Emergency operation .......................................................................................... 16
Maintenance
Clean and Maintenance........................................................................................16
Malfunction
Malfunction analysis ............................................................................................19
Installation Notice
Installation dimension diagram............................................................................23
Tools for installation.............................................................................................25
Selection of installation location ..........................................................................
25
Requirements for electric connection ..................................................................26
Installation
Installation of indoor unit......................................................................................27
Check after installation ........................................................................................32
Test and operation
Test operation......................................................................................................32
Attachment
Configuration of connection pipe.........................................................................33
If it needs to install, move or maintain the air conditioner, please contact dealer or local service
center to conduct it at first. Air conditioner must be installed, moved or maintained by appointed
unit. Otherwise, it may cause serious damage or personal injury or death.
Safety precautions for installing and relocating the unit ......................................24

Installation & Operation Manual - VFH-B 9/12/18/24 Series
Explanation of Symbols
Indicates a hazardous situation that, if not avoided, will
result in death or serious injury.
Indicates a hazardous situation that, if not avoided, could
result in death or serious injury.
Indicates a hazardous situation that, if not avoided, may
result in minor or moderate injury.
Indicates important but not hazard-related information,
used to indicate risk of property damage.
Indicates a hazard that would be assigned a signal word
WARNING or CAUTION.
WARNING
CAUTION
DANGER
NOTICE

Installation & Operation Manual - VFH-B 9/12/18/24 Series
1
Precautions
Operation and Maintenance
This appliance can be used by children age 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.
Children should not play with the appliance.
Cleaning and user maintenance shall not be made by
children without supervision.
Do not connect air conditioner to socket. Otherwise, it
may cause fire hazard.
Do disconnect power supply when cleaning air
conditioner. Otherwise, it may cause electric shock.
.
If the supply cord is damaged, it must be replaced by
the service agent or similarly qualified persons in order
to avoid a hazard.
Do not spray water on indoor unit. It may cause electric
shock or malfunction.
After removing the filter, do not touch fins to avoid injury.
Do not use flame or hair dryer to dry the filter to avoid
deformation or fire hazard.
WARNING

Installation & Operation Manual - VFH-B 9/12/18/24 Series
2
●Power cord is overheating or damaged.
●There’s abnormal sound during operation.
●Circuit break trips off frequently.
●Air conditioner gives off burning smell.
●Indoor unit is leaking.
Precautions
If the air conditioner operates under abnormal conditions,
it may cause malfunction, electric shock or fire hazard.
When turning on or turning off the unit by emergency
operation switch, please press this switch with an insulating
object other than metal.
Do not step on top panel of outdoor unit, or put heavy
objects on it's top surface. It may cause damage or
personal injury.
Maintenance must be performed by qualified
professionals. Otherwise, it may cause personal injury
or damage.
Do not repair air conditioner by yourself. It may cause
electric shock or damage. Please contact dealer when
you need to repair air conditioner.
Do not extend fingers or objects into air inlet or air
outlet. It may cause personal injury or damage.
Do not block air outlet or air inlet. It may cause
malfunction.
Do not spill water on the remote controller, otherwise the
remote controller may be broken.
When below phenomenon occur, please turn off air
conditioner and disconnect power immediately, and then
contact the dealer or qualified professionals for service.
WARNING

Installation & Operation Manual - VFH-B 9/12/18/24 Series
3
Precautions
Installation must be performed by qualified professionals.
Otherwise, it may cause personal injury or damage.
Must follow the electric safety regulations when installing
this unit.
According to the local safety regulations, use qualified
power supply circuit and circuit breakers.
Do install circuit breakers. If not, it may cause malfunction.
An all-pole disconnection switch having a contact separation
of at least 3mm in all poles should be connected to fixed
wiring.
Includea circuit breaker with suitable capacity, please
note
the included table. It can protect the circuit-short
and
overload.
Air Conditioner should be properly grounded. Incorrect
grounding may cause electric shock.
Don't use undersized power cord.
Make sure the power supply matches the requirement of
air conditioner
. Please install proper power
supply cables
before using the air conditioner.
Properly connect the live wire, neutral wire and
grounding wire of power circuit.
Be sure to cut off the power supply before proceeding
with any work related to electricity and safety.
Attachment
WARNING

Installation & Operation Manual - VFH-B 9/12/18/24 Series
4
Precautions
Do not apply power before finishing installation.
If the supply cord is damaged, it must be replaced by
the service agent or similarly qualified persons in order
to avoid a hazard.
The temperature of refrigerant circuit will be high, please
keep all cable away from the copper pipe.
The appliance shall be installed in accordance with
national wiring regulations.
Installation must be performed in accordance with the
requirement of NEC and CEC by authorized personnel
only.
The air conditioner is afirst class electric appliance. It
must be properly grounded with specialized grounding
device by a professional. Please make sure it is always
grounded effectively, otherwise it may cause electric shock.
The yellow-green wire in air conditioner is grounding
wire, which can't be used for other purposes.
The grounding resistance should comply with national
electric safety regulations.
The appliance must be positioned so that the disconnect
switch is accessible.
All wires of indoor unit and outdoor unit should be
connected by a professional.
If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the
wire by yourself.
WARNING

Installation & Operation Manual - VFH-B 9/12/18/24 Series
5
Precautions
Acircuit breaker must be installed in the line.
If you need to relocate the air conditioner to another
place, only qualified technicians can perform the work.
Otherwise, it may cause personal injury or damage.
Select a location which is out of reach for children
and far away from animals or plants. If it is
unavoidable, please add afence for safety.
Working temperature range
WARNING
Indoor side DB/WB(℃/°F) Outdoor side DB/WB(℃/°F)
Maximum cooling 26.7/19.4(80/66.9) 46.1/23.9(115/75)
Maximum heating 26.7/-(80/-) 23.9/18.3(75/64.9)
●The operating temperature range (outdoor temperature) for cooling only unit is
-18℃(-0.4°F) ~ 46.1℃(115°F); for heat pump unit is -20℃(-4°F) ~ 46.1℃(115°F)
NOTICE:

Installation & Operation Manual - VFH-B 9/12/18/24 Series
6
Parts Name
Indoor Unit
heating
indicator
temp.
indicator
cooling
indicator
power
indicator
receiver
window
drying
indicator
display
remote controller
air inlet
panel
filter
aux.button
horizontal louver
air outlet
NOTICE:
Actual product may be different from above graphics, please refer to actual
products.