Mitsubishi Electric Lossnay LGH-15RX4-E Manuale utente

Warning:

Repair work must be performed by the manufacturer, its service

agent or a similarly qualified person in order to avoid hazards.

LOSSNAY

HANDBOOK

MODELS

LGH-15RX4-E

LGH-25RX4-E

LGH-35RX4-E

LGH-50RX4-E

LGH-65RX4-E

LGH-80RX4-E

LGH-100RX4-E

LGH-150RX4-E

LGH-200RX4-E

Nameplate

April 2018 No. U111-B

Contents

Safety precautions........................................................................3

1. Specifications....................................................................... 4-8

2. Dimensions ........................................................................ 9-17

3. Wiring diagrams ............................................................... 18-19

4. Troubleshooting ............................................................... 20-34

4-1 Service Flow.............................................................. 20-21

4-2 Items to Check .......................................................... 22-33

4-3 Circuit Test Point............................................................. 34

5. Overhaul procedures........................................................ 35-39

5-1 Blower Parts.............................................................. 35-36

5-2 Damper Movement Motor Part (All units available)........ 37

5-3 Circuit Board Part...................................................... 37-39

6. Parts catalog .................................................................... 40-76

LGH-15RX4-E ............................................................... 41-44

LGH-25RX4-E ............................................................... 45-48

LGH-35RX4-E ............................................................... 49-52

LGH-50RX4-E ............................................................... 53-56

LGH-65RX4-E ............................................................... 57-60

LGH-80RX4-E ............................................................... 61-64

LGH-100RX4-E ............................................................. 65-68

LGH-150RX4-E ............................................................. 69-72

LGH-200RX4-E ............................................................. 73-76

♦♦

Turn off the power supply

Be sure to shut off the breaker before dis-

assembling the unit for repair.

(Failure to heed this warning may result in elec-

tric shock.)

♦♦

Use proper parts and tools

For repair, be sure to use the parts listed in the service

parts list of the applicable unit model and

use the proper tools.

(Failure to heed this warning may result in elec-

tric shock, fire and/or bodily injury.)

♦♦

Proper electric work

Use the electric wires designated for electric work, and

conduct electric work in accordance with the "Electric

Installation Engineering Standard," the "Indoor Wiring

Regulations," and the Installation Work

Guide.

(Incomplete connection or wiring installation may

result in electric shock and/or fire.)

♦♦

Replace damaged and/or degraded parts

Be sure to replace the power-supply cord and lead wire

in the event that they are damaged and/or

degraded.

(Failure to heed this warning may result in elec-

tric shock and/or fire.)

♦♦

Check insulation

Be sure to measure the insulation resistance once the

repair work is complete, and turn on the power supply

after verifying that an insulation resistance

of at least 10MΩis obtained.

(If an insulation problem exists, it may result in

electric shock.)

Be sure to follow

this instruction.

Be sure to follow

this instruction.

Be sure to follow

this instruction.

Be sure to follow

this instruction.

Be sure to follow

this instruction.

♦♦

Electric shock

If you must inspect the circuitry while the

power is on, do not touch the live parts.

(Failure to heed this warning may result in elec-

tric shock.) Caution for

electric shock

♦♦

Modification is prohibited

Do not modify the unit.

(Failure to heed this warning may result in elec-

tric shock, fire and/or bodily injury.)

Prohibited

Incorrect handling of the product may result in serious injury

or death.

Warning

♦♦

Caution for bodily injury

Do not conduct any work at a location

where you do not have a sure footing.

(Failure to heed this caution may result in a fall.)

Prohibited

Be sure to follow

this instruction.

♦♦

Wear gloves

Wear gloves when conducting work.

(Failure to heed this caution may result in injury

to your hands from sharp metal or other edges.)

•Inspect the grounding, and repair it if incomplete.

●Make sure that the product operates correctly upon completion of repair. Clean the product as well as the sur-

rounding area, and then notify the customer of the completion of repair.

Incorrect handling of the product may result in serious injury

or damage to properties including buildings and equipment.

Caution

Request during repair

—3—

Safety precautions

●Please be sure to read the following safety precautions thoroughly before commencing with the maintenance

work, and conduct the inspection and repair of the product in a safe manner.

●The types and levels of danger that may arise if the product is handled incorrectly are described by using the

warning symbols shown below.

—4—

1. Specifications

—5—

—6—

—7—

—8—

Unit (mm)

LGH-15RX4-E

2. Dimensions

—9—

Unit (mm)

LGH-25RX4-E

—10—

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