Mitsubishi Electric PAC-USWHS002-WF-2 Service manual

© 2018 Mitsubishi Electric US, Inc. 1
MANUFACTURED FOR:
MITSUBISHI ELECTRIC US, INC.
PAC-USWHS002-WF-2
• Read all Safety Instructions before using the Wireless Interface 2.
• This installation manual contains important safety information.
Be sure to comply with the instructions.
Warning Improper handling may have serious consequences,
including serious injury or death.
Caution Improper handling may have consequences, including
injury or damage to house.
• After installing the Wireless Interface 2, provide this installation manual for the
user. Instruct users to store it with their room air conditioner instruction manual in
a safe location.
1. Safety Instructions
About Wireless Interface 2
This Wireless Interface 2 will communicate status information and control the
connected air conditioner.
• Some room air conditioners are not compatible with the Wireless Interface 2.
Make sure that the room air conditioner is compatible with the Wireless Interface
2 before attempting to install it.
Contents
About Wireless Interface 2.........................................................................................1
1. Safety Instructions...................................................................................................1
2. What’s in the Box.....................................................................................................5
3. Parts........................................................................................................................5
4. Connecting the Wireless Interface 2..........................................................................5
5. Specications..........................................................................................................6
Memo..........................................................................................................................7
INSTALLATION/INSTRUCTION MANUAL
Before using the device, carefully read this installation/instruction manual to ensure
proper operation.
Keep this manual for future reference and give it to the technician when the device
is reinstalled or repaired.
FOR INSTALLER
Wireless Interface 2

© 2018 Mitsubishi Electric US, Inc. 2
Warning
• Do not use the red 5-pin
connector to create an unsupported
equipment combination.
Unsupported equipment combinations
may result in re, electric shock, and/
or damage/water leaks. Refer to the
Wireless Interface 2 compatibility
guide for more details.
• Users should not install the
Interface on their own.
Improper installation may result in
re, electric shock, or damage/water
leaks. Consult the dealer from whom
you purchased the unit or professional
installer.
• The Interface should be securely
installed in accordance with this
installation manual.
Improper installation may result in re,
electric shock, or damage.
• The unit should be mounted in a
location that can support its weight.
If the unit is installed in a location that
cannot support its weight, the Wireless
Interface 2 could fall and cause
damage.
• Install securely in a place where
the Wireless Interface 2 does not
interfere with equipment operation
or serviceability.
Improper installation may result in re,
electric shock, or damage/water leaks.
• Do not install Wireless Interface 2
inside a metal enclosure.
Improper installation may result in
diminished signal strength.
• Connect and fasten the electric
wires securely so external force
on the wires will not apply on the
terminals.
Improper connection and mounting
may result in breakdown, heat
generation, smoke generation, or re.
• Mitsubishi components or other
designated components must be
used for installation.
Improper component may result in re,
electric shock, or damage/water leaks.
• Electrical work must be performed
by a licensed professional using
the instructions detailed in the
installation manual.
Inadequate circuit capacity or
improper installation may result in
electric shock or re.
• This appliance is not intended for
use 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 concerning use of the
appliance by a person responsible
for their safety.
• Children should be supervised to
ensure that they do not play with
the appliances.
• This device complies with part 15 of
the FCC Rules. Operation is subject
to the following two conditions:
(1) This device may not cause
harmful interference; and
(2) This device must accept any
interference received, including
interference that may cause
undesired operation.
Wireless Interface 2

© 2018 Mitsubishi Electric US, Inc. 3
Warning
• This equipment has been tested
and found to comply with the
limits for a Class B digital device,
pursuant to part 15 of the FCC
Rules. These limits are designed
to provide reasonable protection
against harmful interference in
a residential installation. This
equipment generates, uses and
can radiate radio frequency energy
and, if not installed and used in
accordance with the instructions,
may cause harmful interference
to radio communications.
However, there is no guarantee
that interference will not occur
in a particular installation. If this
equipment does cause harmful
interference to radio or television
reception, which can be determined
by turning the equipment off and
on, the user is encouraged to try to
correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving
antenna.
• Increase the separation between the
equipment and receiver.
• Connect the equipment into an outlet
on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced
radio/TV technician for help.
Warning
• This equipment complies with radio
frequency exposure limits set forth
by the FCC for an uncontrolled
environment. This equipment
should be installed and operated
with a minimum distance of 20 cm.,
7.8 inch between the device and the
user or bystanders.
• This device must not be co-located
or operating in conjunction with
any other antenna or transmitter.
•Changesormodicationsnot
expressly approved by the party
responsible for compliance could
void the user’s authority to operate
the equipment.
• Do not connect the Wireless
Interface 2 to earth inside the air
conditioner.
Wireless Interface 2

© 2018 Mitsubishi Electric US, Inc. 4
Caution
• To prevent damage from static
electricity, touch a nearby metal
body to discharge static electricity
from yourself before touching the
Wireless Interface 2.
Static electricity from the human body
may damage the Wireless Interface
2 unit.
• Do not install the Wireless
Interface 2 in a place with much
steam, such as bathroom.
Avoid places where water is splashed
or where condensation forms on walls.
Installing in such places can cause
electric shock or breakdown.
• Do not install the Wireless Interface
2 in places with direct sunlight or
where the ambient temperature is
40º C, 104º F or more or is 0º C,
32º F or less.
Direct sunlight and high or low
temperature environments may cause
the Wireless Interface 2 to deform or
breakdown.
• Do not use in special
environments.
Use in places with much oil (including
machine oil), steam, or sulfuric gas
may lead to severe decrease in
functionality and damage to parts.
• Turn off power supply of connected
equipment when performing
construction or wiring work.Failure
to turn off the power supply to the
connected equipment may lead to
malfunction or breakdown of the
Wireless Interface 2 or connected
equipment.
• Dismantling the indoor unit.
Please refer to the indoor units
“service manual” for detailed
instructions for accessing the
control interface connector CN105
on the indoor unit control PCB.
Notes
• The End user should read and
accept the Terms and conditions
of the kumo cloud®before
commencement of the installation of
PAC-USWHS002-WF-2.
• To complete connection of the
PAC-USWHS002-WF-2 to the
kumo cloud®physical access to the
access point may be required.
• Visit http://kumocloud.com for
additional information about
controlling the
PAC-USWHS002-WF-2 from your
web browser or smart phone.
• The PAC-USWHS002-WF-2 should
not be installed and connected to
any Mitsubishi Electric system which
is to provide cooling or heating to
critical applications.
• Details of the air conditioner
and PAC-USWHS002-WF-2 can
be recorded on page 6 ‘Setting
Information’.
• Use of the PAC-USWHS002-WF-2
implies acceptance of our terms and
conditions located at kumocloud.
com/terms.
• The antenna used for this transmitter
must be installed to provide a
separation distance of at least
20 cm from all persons and must
not be co-located or operating in
conjunction with any other antenna
or transmitter.

© 2018 Mitsubishi Electric US, Inc. 5
Mitsubishi Electric’s Wireless Interface 2 is designed for communication to
Mitsubishi Electric’s kumo cloud®. Third party Wireless Interface 2 devices cannot
connect to Mitsubishi Electric’s kumo cloud®. Mitsubishi Electric is not responsible
for any
(i) underperformance of a system or any product;
(ii) system or product fault; or
(iii) loss or damage to any system or product; which is caused by or arises from
connection to and/or use of any third party Wireless Interface 2 or any third party
wireless or Wi-Fi service with Mitsubishi Electric equipment.to
2. What’s in the Box
3. Parts
● Turn off and verify the power has been disconnected to the complete
air-conditioning system
● Dismantle the indoor unit in accordance with the service manual and locate
CN105 on the main control PCB
● Connect the cable on the PAC-USWHS002-WF-2 to the CN105 connector on the
indoor unit
● PAC-USWHS002-WF-2 may be attached on or in close vicinity to the indoor unit.
Attach one strip to the PAC-USWHS002-WF-2 and the other to the installation site.
Align the strips and press to securely attach the PAC-USWHS002-WF-2 to the
installation site.
● Start up: Refer to the PAC-USWHS002-WF-2 Install guide located at
https://meus.mylinkdrive.com/item/PAC-USWHS002-WF-2.html
Wireless Interface 2 PAC-USWHS002-WF-2
4. Connecting the Wireless Interface 2
● Wireless Interface 2 with 2 removable plugs for optional connections
● Connecting Cable
● Velcro strips (2)
● Product insert
The PAC-USWHS002-WF-2 adds a second 5-pin interface (identied with a
red connector) for use with compatible control accessories. Please refer to the
Wireless Interface 2 compatibility guide to identify what control accessories may
be connected to this second 5-pin connector including what Mitsubishi Electric
equipment is compatible. The Mitsubishi Electric equipment is connected via a
cable plugged into the white connector.
Note: Installation should be conducted by a professional installer.

© 2018 Mitsubishi Electric US, Inc. 6
5.Specications
Input Voltage DC12.7V (from indoor unit)
Power consumption MAX 2W
Size W × H × D Inch (mm) .69 x 1.82 x 2.92
(17.526 x 46.228 x 74.168)
RF channel 1ch ~ 11ch
Usage environment Temperature 32 ~ 104º F (0 ~ 40º C)
FCC 2AIGCWFB003
Setting information
PAC-USWHS002-WF-2 address (MAC)
PAC-USWHS002-WF-2
serial number(ID)
Indoor unit model name
Indoor unit serial number
Outdoor unit model name
Outdoor unit serial number
System commissioning date
PAC-USWHS002-WF-2 installation date
Installer contact details
Name
Telephone number

© 2018 Mitsubishi Electric US, Inc. 7
Memo

© 2018 Mitsubishi Electric US, Inc. 8
Specications are subject to change without notice.
www.mitsubishielectric-usa.com
Toll Free: 800-433-4822
MITSUBISHI ELECTRIC US, INC.
CE-1519-L001