MITSUBISHI ELECTRIC PAC-YG81TB Outdoor Controller Box
Safety Precautions
Before installing the Mounting attachment B type, please read the following safety precautions carefully to ensure proper installation. Observe the following precautions to ensure safety. The following symbols are used in this manual to indicate the type and severity of potential consequences that may result when given instructions are not followed exactly as stated..
WARNING
Indicates a risk of death or serious injury.
CAUTION
Indicates a risk of injury or damage to the product. After the completion of installation, perform a test run to confirm proper operation. Retain this manual for future reference. When the unit is reinstalled or repaired, make this manual available to those who provide these services. Make sure that the manual is passed on to any future air condition system users.
WARNING
Only a dealer or qualified technician should replace the unit. Improper replacement by an unqualified person may result in electric shock or fire.The Mounting attachment B type should be installed on a surface that is strong enough to support the weight of the unit. If the Mounting attachment B type is installed on a surface that lacks the strength to support it, it may fall and cause injury.Do not attempt to modify or repair the Mountingattachment B type. Modification or improper repair may result in electric shock or fire. Consult your dealer when repairs are necessary.Install the Mounting attachment B type properly according. Improper installation by an unqualified person may result in electric shock or fire.Electric work must be performed by authorized personnel according to the local regulations and the instructions detailed in the Installation Manual. Inadequate circuit capacity or improper installation may result in electric shock or fire.Ask your dealer or an authorized technician to move the Mounting attachment B type. Improper installation by an unqualified person may result in electric shock or fire. Consult your dealer or a qualified technician.
CAUTION
Do not install the Mounting attachment B type where there is a risk of leaking flammable gas. If the leaked gas accumulates around the Electric Box, it may ignite and cause an explosion.Do not use the Mounting attachment B type in an environment that has high concentrations of oil, steam, or sulfuric gas. These substances may have adverse effects on the performance of the Mounting attachment B type or damage its parts.Do not install this Mounting attachment B type in a place that has the potential for steam, such as a bathroom or kitchen. Steam may cause an electric shock or a unit malfunction.Seal the wire access holes with putty to prevent dew, water, and insects from entering to avoid electric shock.Do not install this Mounting attachment B type where an acid, alkaline solution, or special chemical spray is used frequently to avoid electric shock or malfunction.Keep the cables from coming in direct contact with the edges of the wire access holes. If the cables are damaged, they may cause electric shock or fire.This Mounting attachment B type is for exclusive use with the AG-150A and cannot be used with other devices.
Parts List
The Installation Manual and the parts listed below are included with the package. Leave the Mounting attachment B type in the package until ready to install to protect it from damage.
| Name | 1 Mounting attachment B type PAC-YG81TB | 2 AG-150A mounting screws | 3 LAN link-up cable |
| Quantity | 1 | 4 | 1 |
|
Shape |  | Roundhead screws M4×16
|  |
Field supplied parts
The following parts are necessary to mount the Mounting attachment B type (PAC-YG81TB) on the wall.
| Name | 1 Wall mounting screws M4 |
| Quantity | 6 |
Use screws that are suitable for the wall type. The weight of the AG-150A including the Mounting attachment B type (PAC-YG81TB) is 2.7 kg (6.0 lbs). Use screws with the head size of between 7.0 and 8.8 mm 5/16 and 6/16 in.
External Dimensions
Selecting an Installation Site
Required installation space
Install the Mounting attachment B type (PAC-YG81TB) where the space indicated in the figure below can be secured.
Installation
The cable can be routed either from the top or the bottom.
To route the cable from the top
Cut out the knockout hole on the Mounting attachment B type PAC-YG81TB at the top with a nipper for the cable the thin part of the plastic.
NOTE
Install the Mounting attachment B type PAC-YG81TB so that the arrow UP on the back of it points up. 
Sand the cut surface of the knockout hole smooth.
CAUTION
Any rough edges that are left may damage the cable and cause electric shock or fire.
Install the Mounting attachment B type (PAC-YG81TB) withthe six mounting screws field-supplied. Use screws that are suitable for the wall type. Install it on the surface strong enough to support its weight.
NOTE
Install the Mounting attachment B type PAC-YG81TB so that the arrow UP on the back of it points up.
Wall
Push the cable through the knockout hole.
Remove AG-150A surface cover
Insert a flat-tip screwdriver in the holes indicated and move the handle up to remove the cover.
Connect the cable to the AG-150A.
CAUTION
When routing the cable from the top of the controller, let the cable hang down below the connector before connecting it tothe terminal block or connector as shown in the figure below to prevent water from running down the cable and cause electric shock or fire.
Back of controller
If the AG-150A is not always connected to the LAN, connect the supplied LAN link up cable to the LAN connector If the AG-150A is always connected to the LAN, connect the LAN cable (field supplied) via a HUB and the LAN link-up cable is not required.
Securely seal the cable lead-in port with putty to prevent dew, water and insect, etc. from entering.
Install the AG-150A with the four screws that are supplied.If the LAN link-up cable is used, place it inside the Mounting attachment B type.
Attach the cover on the AG 150A
To route the cable from the bottom
Cut out the knockout hole on the Mounting attachment B type (PAC-YG81TB) at the bottom with a nipper for the cable.
NOTE
Install the Mounting attachment B type PAC-YG81TB so that the arrow UPon the back of it points up.
Sand the cut surface of the knockout hole smooth.
CAUTION
Any rough edges that are left may damage the cable and cause electric shock or fire.
Install the Mounting attachment B type (PAC-YG81TB) with the six mounting screws field supplied. Use screws that are suitable for the wall type. Install it on the surface strong enough to support its weight.
NOTE
Install the Mounting attachment B type PAC-YG81TB so that the arrow UPon the back of it points up.
Push the cable through the knockout hole.
Remove AG-150A surface cover
Remove AG-150A surface cover
Insert a flat-tip screwdriver in the holes indicated and move the handle up to remove the cover.
Connect the cable to the AG-150A
If the AG-150A is not always connected to the LAN, connect the supplied LAN link up cable to the LAN connector. If the AG-150A is always connected to the LAN, connect the LAN cable field supplied via a HUB and the LAN link up cable is not required.
Install the AG-150A with the four screws that are supplied. If the LAN link-up cable is used, place it inside the Mounting attachment B type.
Attach the cover on the AG-150A
Access panel
There is a maintenance access panel at the bottom of the Mounting attachment B type. The maintenance access panel is used for maintenance purpose when the AG-150A is not always connected to the LAN. To open the maintenance access panel. Unscrew the four screws on the panel with a Phillips driver.
Remove the panel by placing your finger on the dent at right and pulling it down.
If the AG-150A is not always connected to the LAN, connect a LAN cable to the LAN link-up cable through this maintenance access panel to upgrade the AG-150A software as necessary.
