Mitsubishi Electric LGH-50RVS-E - User Manual

English
Eng-1
Please read this manual carefully before use for proper and
safe use.
Do not attempt to install the product by yourself.
LGH-50RVS-E
LGH-80RVS-E
LGH-100RVS-E
Lossnay Heat Recovery Ventilator
MODELS:
Operating Instructions
For the user
1. Safety precautions
The following signs indicate that death or serious injury may be caused by failure to heed the precautions described below.
WARNING
Incorrect handling could cause serious injury or death.
Prohibited
Do not turn the unit on or o󰀨 when ammable gas has leaked.
It could catch re or cause explosion with sparks released from electric contractor.
Open windows to ventilate.
Do not disassemble
Do not modify or disassemble.
It could cause re, electric shock or injury.
Do not wet
Do not apply water to the unit and remote controller.
Electrical shock can result.
Do not touch
Do not poke your ngers or sticks into the air intake and outlet while the product is operating.
Failure to heed this warning may result in injury.
Wet hands prohibited
Do not operate with wet hands.
Electrical shock can result.
The instructions
given must be
followed.
Use the specied power supply and voltage.
Use of incorrect power supply could cause re or electric shock.
Make sure the power supply isolator is turned o󰀨 on the power distribution panel before starting maintenance.
It could cause electric shock or injury if it is turned on.
When any abnormal conditions (burning smell, water leakage or others) are observed, stop operation, turn o󰀨 the
power supply isolator on the power distribution panel and consult your dealer.
Continuing operation under such conditions could cause, electric shock, re, or damage.
Do not touch the product for at least 5 minutes after the power is shut o󰀨.
Electrical shock can result.
Contents
1. Safety precautions ...........................................1
2. Names of the parts ..........................................3
3. Operation .........................................................3
4. Maintenance .................................................... 5
4.1 Removing the parts .................................... 5
4.2 Cleaning the parts ...................................... 5
4.3 Assembly after maintenance ......................6
5. Specications ..................................................7
6. After-sales servicing ........................................7
2105876H63701

Summary

Safety Precautions

Electrical Safety Precautions

Precautions for preventing electric shock, including handling wet conditions, power-off waits, and correct voltage usage.

Operational Safety

Instructions to prevent injury during operation, such as avoiding insertion of objects and responding to abnormal conditions.

Fire and Explosion Prevention

Actions to prevent fire or explosion, such as not operating near flammable gas leaks.

Modification and Disassembly

Warnings against modifying or disassembling the unit to prevent fire, electric shock, or injury.

Cautionary Safety Measures

Environmental and Operational Restrictions

Warnings against operating in hazardous environments, near heat sources, or during specific conditions like winter bypass.

Maintenance Safety

Safety guidelines for maintenance, including wearing gloves, securing parts, and proper power isolation.

Cleaning and Detergent Use

Instructions regarding cleaning the unit, specifically advising against certain detergents that can cause damage.

Names of the Parts

Operation

Connecting to External Devices

Details on connecting the Lossnay unit with remote controllers or other external systems for operation.

Ventilation Settings

Lossnay Heat Recovery Ventilation Setting

Explanation of the heat recovery process where fresh and return air pass through Lossnay cores.

By-Pass Ventilation Setting

Description of the By-Pass mode where fresh air bypasses the Lossnay core for spring/autumn operation.

Automatic Ventilation Setting

Overview of automatic mode adapting ventilation for cooling load reduction and night purge.

Maintenance Procedures

Removing Parts for Maintenance

Step-by-step guide on how to remove maintenance covers, air filters, Lossnay cores, and inner covers.

Cleaning Air Filters

Instructions on cleaning air filters using a vacuum cleaner or mild detergent and lukewarm water.

Cleaning Specific Parts

Cleaning Lossnay Cores

Procedure for cleaning Lossnay cores using a vacuum cleaner and rinsing with clear water.

Cleaning the Drain Pan

Steps to clean the drain pan, drain discharge holes, and backflow stoppers, including cautions.

Cleaning Backflow Stoppers

Guide to cleaning backflow stoppers and drain discharge holes, ensuring passage is clear.

Assembly After Maintenance

Specifications

After-Sales Servicing

Recommended Inspection and Maintenance

Advice on potential issues after years of use and the need for professional inspection and maintenance.

Consumables and Repair Costs

List of consumable parts and information about repair cost components.

Mitsubishi Electric LGH-50RVS-E Specifications