Table Of Contents; Safety Precautions - Mitsubishi Electric Fresh Master GUF-50RDH4 Installation Instructions Manual

Fresh Master
Models:
GUF-50RDH4, GUF-50RD4
GUF-100RDH4, GUF-100RD4
Installation Instructions
GUF-50RDH4 shown above.
Humidifier function not available on GUF-50RD4 and
GUF-100RD4.
English is original. The other languages versions are
translation of the original.
For use with the R410A & R407C

1. Safety precautions

- Do not modify or disassemble.
- It could cause fire, electric shock or injury.
Do not
disassemble
- The Fresh Master and remote controller
should not be installed where it is highly hu-
mid, like a bathroom, or other wet place.
Prohibition of use in
- It could cause electric shock or power leakage.
bath or shower room
- Connect the product properly to ground.
- Malfunctioning or power leaks can cause elec-
trical shock.
Connect the
grounding wire.
- Use the specified power supply and voltage.
- Use of incorrect power supply or voltage could
cause fire or electric shock.
- Select a place with sufficient strength and
The instructions install the main unit securely.
given must be
- It could cause injury if it falls.
followed.
(For use by dealer/contractor)
Contents
1. Safety precautions ............................................. 1-5
2. Accessories .......................................................... 5
3. Outline drawings ................................................... 5
4. Selecting an installation site ................................. 6
5. Installing the Fresh Master ................................ 6-7
6. Supply pipe and drain pipe work .......................... 8
7. Refrigerant pipe work ...................................... 9-11
8. Electrical wiring ............................................. 12-16
9. Feature settings ............................................. 17-19
10. Check points after installation work .................... 19
11. Test run .......................................................... 19-20
12. Troubleshooting .................................................. 21
- Please take the time to read through these instructions
before commencing with the installation work. They will
help to install the Fresh Master properly and safely.
- The separate Operating Instructions are for the user.
Make sure that they are handed over to the customer.
The warranty will not apply to damage resulting
from failure to follow the warnings and precautions
set forth in the Installation Instructions.
WARNING
- Wiring work must be performed by qualified professionals, and be
implemented safely and securely in accordance with the engineering
standards and the extension wiring rules for electrical equipment.
- Poor connection or improper wiring work could cause electric
shock or fire.
- Install a power supply isolator at the power supply side as
per local electrical regulations. All supply circuits must be
disconnected before obtaining access to the terminal de-
vices. Use the specified cable size and connect the cables
securely to prevent disconnection when they are pulled.
The instructions
- If there is a defect in the connection, there is a possibility of fire.
given must be
- Select an adequate place for the opening to introduce
followed.
outdoor air, where it will not intake the exhaust fumes like
combustion gas, or others, and there is no risk of blockage.
- Shortage of fresh air could put the room in a state of oxygen deficiency.
- A duct made of steel must be installed with care not to be
connected electrically with metals such as metal , wire ,
stainless steel plate, or others.
- It could cause fire when power leakage occurs.
1