Tabla De Contenido; Safety Precautions - Mitsubishi Electric PAC-SF29LB Manual De Instalación

Contents
1. Selecting a Location for Installation ............................................... 3
2. Confirming Supplied Accessories .................................................. 3
3. Required Servicing Space and R-Converter unit Specifications ... 3
3-1. Required Servicing Space of R-Converter unit (mm) ..... 3
3-2. R-Converter unit Specifications (mm) ............................ 4
4. Refrigerant Piping .......................................................................... 5
5. Installing the R-Converter Unit (mm) ............................................. 6
6. Installing Refrigerant Piping (mm) ................................................. 7
7. Installing the thermistors (mm) ...................................................... 8

Safety Precautions

• Be sure to read these safety precautions thoroughly to ensure correct installation.
• The precautions described here are important for your safety and must be followed.
• The following two symbols are used to denote dangers that may be caused by incorrect installation. They are classified according to the degree of
danger.
Warning:
This symbol denotes what could lead to serious injury or death if you install the mechanism incorrectly.
Caution:
This symbol denotes what could lead to personal injury or damage to your property if you install the mechanism incorrectly.
• After installation is complete, perform a test run and check there are no abnormalities. In addition, explain the safety precautions, method of
operation, and maintenance of the unit to your customer, and give them a copy of this manual.
• The customer is requested to keep this manual together with the user's manual in a safe place. If another user is going to use this unit, make sure
that the end user gets a copy of each manual.
Warning:
• Ask your dealer or an authorized technician to install the unit.
• Install the unit in a location that can withstand its weight.
• Use the specified cables for wiring.
• Use only accessories authorized by Mitsubishi Electric and ask
your dealer or an authorized technician to install them.
• Install the unit according to this installation manual.
• Have all electric work done by a licensed electrician according
to local regulations.
• If the unit is installed in a small room, measures must be taken
to prevent the refrigerant concentration from exceeding the
safety limit even if the refrigerant should leak.
• The cut face punched parts are sharp and can cause an injury,
etc. Be sure to wear protective clothing such as gloves, etc.,
when installing the unit.
• Check for refrigerant leaks after installation is complete.
• Ventilate the room if refrigerant leaks during operation.
If the refrigerant comes in contact with a flame, poisonous gases
will be released.
2
8. Electrical Work ............................................................................. 10
8-1. Caution ......................................................................... 10
8-2. Connecting the R-Converter unit, indoor unit and outdoor
unit transmission cables ............................................... 10
8-3. Wiring of main power supply and equipment capacity ... 10
8-4. Wiring (mm) .................................................................. 12
8-5. Switch settings ............................................................. 13
9. Test Run ...................................................................................... 13
Caution:
• Do not use the existing refrigerant piping when using R407C
refrigerant.
• Use ester oil, either oil or alkylbenzene (small amount) as a re-
frigerator oil to coat flares and flange connections when using
R407C refrigerant.
• Do not use the unit where food, pets, plants, precision instru-
ments, or artwork are kept.
• Do not use the unit in special environments.
• Ground the unit.
• Install a ground-fault interrupter as required. • Use power line cables of sufficient current carrying capacity
and rating.
• Use only a circuit breaker and fuse of the specified capacity.
• Do not touch the switches with wet fingers.
• Do not touch the refrigerant pipes during and immediately after
operation.
• Do not turn off the power immediately after stopping operation.
• Make sure that the refrigerant pipes are well insulated to pre-
vent condensation.