Check; Remote Controller Operation - Mitsubishi Electric PAC-IF021B-E Manual De Instalación

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5. Check

5.1. Check
After completing installation and the wiring and piping of the local application and outdoor units, check for refrigerant leakage, looseness in the power
supply or control wiring, wrong polarity, and no disconnection of one phase in the supply.
Use a 500-volt megohmmeter to check that the resistance between the power supply terminals and ground is at least 1.0MΩ.
Warning:
Do not use the system if the insulation resistance is less than 1.0MΩ.
Caution:
Do not carry out this test on the control wiring (low voltage circuit) terminals.
5.2. Self-check
1 Turn on the power.
2 Press [CHECK] button twice.
3 Press [CHECK] button twice to finish self-check.
A CHECK button
B IC : FTC unit
Check code
Symptom
P1
Flow water (TH1) sensor error
P2
Refrigerant liquid Pipe (TH2) sensor error
P6
Freezing/Overheating protection operation
Fb
FTC unit control system error (memory error, etc.)
E0~E5
Signal transmission failure between remote controller and FTC.
E6~EF
Signal transmission failure between outdoor unit and FTC.
– – – –
No trouble generated in the past.
FFFF
No corresponding unit
U*, F*
Outdoor unit failure. Refer to the outdoor unit wiring diagram.
For description of each LED(LED1~5) provided on the FTC, refer to the following table.
LED 1 (Power for microcomputer)
LED 2 (Power for remote controller)
LED 3 (Communication between FTC and outdoor unit) Indicates state of communication between the FTC and outdoor unit. Make sure that this LED is always blinking.
LED 4
LED 5

. Remote controller operation

This symbol mark is for EU countries only.
Note (Marking for
This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV.
WEEE)
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and re-
used.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!
.1 Safety precautions
► Before installing the unit, make sure you read all the "Safety Precau-
tions".
► The "Safety Precautions" provide very important points regarding
safety. Make sure you follow them.
► Please report to or take consent by the supply authority before connec-
tion to the system.
Warning:
• For appliances not accessible to the general public.
• The unit must not be installed by the user. Ask the dealer or an authorized
company to install the unit. If the unit is installed improperly, water leak-
age, electric shock or fire may result.
• Do not stand on, or place any items on the unit.
• Do not splash water over the unit and do not touch the unit with wet hands.
An electric shock may result.
• Do not spray combustible gas close to the unit. Fire may result.
• Do not place a gas heater or any other open-flame appliance where it will
be exposed to the air discharged from the unit. Incomplete combustion
may result.
• Do not remove the front panel or the fan guard from the outdoor unit when
it is running.
• When you notice exceptionally abnormal noise or vibration, stop operation,
turn off the power switch, and contact your dealer.
Caution:
• Do not use any sharp object to push the buttons, as this may damage the
remote controller.
• Never block or cover the indoor or outdoor unit's intakes or outlets.
OC : Outdoor unit
C Check code
Indicates whether control power is supplied. Make sure that this LED is always lit.
Indicates whether power is supplied to the remote controller. This LED lights only in the case of the FTC unit
which is connected to the outdoor unit refrigerant address "0".
Symbols used in the text
Warning:
Describes precautions that should be observed to prevent danger of injury or
death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the
unit.
Symbols used in the illustrations
: Indicates a part which must be grounded.
• Never insert fingers, sticks etc. into the intakes or outlets.
• If you detect odd smells, stop using the unit, turn off the power switch and
consult your dealer. Otherwise, a breakdown, electric shock or fire may
result.
• 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 con-
cerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the ap-
pliance.
• If the refrigeration gas blows out or leaks, stop the operation of the air
conditioner, thoroughly ventilate the room, and contact your dealer.
• Do not install in location that is hot or humid for long periods of time.
Disposing of the unit
When you need to dispose of the unit, consult your dealer.
ERROR CODE
TEMP.
ON/OFF
13

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