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.
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.
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 of incorrect power supply or voltage could
The instructions install the main unit securely.
given must be
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
-
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
- 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-
The instructions
-
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.
-
- 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.
1