Mitsubishi Electronics LGH-15RX4-E, LGH-80RX4-E, LGH-65RX4-E, LGH-25RX4-E, LGH-35RX4-E User Manual
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Lossnay
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
Operating Instructions (For the user)
Please read through these instructions in order to familiarize yourself with the proper and safe procedures for operating the Lossnay.
After reading this manual, keep it in an easily accessible and safe place for future reference.
Safety precautions
The following signs indicate that death or serious injury may be caused by a failure to heed the precautions described below and the resultant
mishandling of the product.
WARNING
● This product must not be disassembled under any circumstances. Only authorized repair technicians are qualified to conduct
No
disassembly
disassembly and repairs.
(Failure to heed this warning may result in fire, electrical shock or injury.)
If your product needs to be repaired, consult your dealer.
English
● Do not splash water over this product.
Prohibited
Do not touch
Instructions
must be
followed
(Failure to heed this warning may result in fire and/or electrical shock.)
● If flammable gases should leak, do not turn the Lossnay’s switch on or off.
(Failure to heed this warning may cause the electrical contacts to generate sparks which may result in an explosion.)
Open windows to ventilate.
● Do not poke your fingers or sticks into the air intake and outlet while the product is operating.
(Failure to heed this warning may result in injury.)
● Gloves should be worn when doing the installation and maintenance work.
(Failure to heed this warning may result in injury.)
● Be sure that the power board circuit breaker is in the OFF position and is securely locked by lock and key before proceeding with
maintenance work.
(Failure to heed this warning may result in electrical shock or injury.)
● In the event of trouble (smell of burning, etc.), shut down operation, set the power board circuit breaker to its OFF position and
consult your dealer.
(Continued operation without remedying the trouble may result in electrical shock, fire, etc.)
Names of the parts
Models LGH-15 to 100 RX4 Models LGH-150 and 200 RX4
1 Maintenance cover
2 Control box 4 Air supply fan
3 Lossnay core holder
1 Maintenance cover
2 Control box
3 Lossnay core holder
4 Air supply fan
5 Lossnay core
6 Air exhaust fan
7 Air filter
8 Damper plate
5 Lossnay core
7 Air filter
8 Damper plate6 Air exhaust fan
1
Operation
1. For connection of a remote controller (PZ-41SLB-E)
If the Lossnay’s operation is linked with the operation of an external device such as an air conditioner, the method of use will differ, so carry out
the appropriate operation in accordance with the following table. Also, please see the installation and user’s manual for the remote controller
(PZ-41SLB-E).
<If not connected to an external device>
Example of System Function
Lossnay
Remote Controller
(Optional parts)
Power Supply
(PZ-41SLB-E)
<If connected to an external device>
Remote Controller
Lossnay
Lossnay
Power Supply
Power Supply
External device
External device
(Optional parts)
(PZ-41SLB-E)
Power Supply
Operation switch for the external device
Power Supply
Operation switch for the external device
Operation
Run using the remote
controller.
If an external device is
connected the “On/Off”
function of this device will
also control the Lossnay
operation.
• If 2 remote controllers are used, the last
controller to be used has priority. (Last
Command)
• If you would like to turn ON the Lossnay
alone while the external device is OFF,
operate it by the Lossnay remote controller.
• The fan speed is on “High”.
• The ventilation mode is “Ventilation Mode
Auto Select”.
2. For connection of a Lossnay remote
controller (PZ-52SF-E), Mitsubishi
Electric Air-Conditioner Network
System (MELANS) or City Multi.
This is to be incorporated and used in the Mitsubishi Electric AirConditioner Network System.
This is interlocked with the City Multi and operated by it.
If the Lossnay remote controller (PZ-52SF-E) is used, the Lossnay
may be operated independently if connected to City Multi.
For details, refer to the operating manual of PZ-52SF-E.
Lossnay operation using the Lossnay remote controller (PZ-52SFE) should need the power supply unit. Refer to the system diagram
below.
Note
• If this is to be used with the Lossnay remote controller (PZ52SF-E), refer to the manuals for both the PZ-52SF-E installation and operating manual.
• Remote controller PZ-41SLB-E cannot be used with this system.
■ System diagram
Basic system
M-NET transmission line
Power supply
unit
PAC-SC34KUA
MELANS
Lossnay unit
LGH-**RX
Power
Lossnay remote controller (PZ-52SF-E)
Interlocked to the City Multi indoor unit
supply
M-NET transmission line
4-E
■ LOSSNAY VENTILATE setting
Both fresh air supply and return air pass through the Lossnay core(s).
Resulting in full heat exchange. Lossnay ventilate setting is used for
cooling in the summer and heating in the winter period.
Models LGH-15 to 100 RX4 Models LGH-150 and 200 RX4
Damper
Return air
Supply air
Return air
Supply air
Exhaust air
Fresh air
Lossnay core
Damper
Return air
Supply air
Exhaust air
Fresh air
Exhaust air
Fresh air
Lossnay core
■ BY-PASS VENTILATE setting
The fresh air passes through the Lossnay core(s) and the return
room air is exhausted direct. Lossnay bypass ventilate is normally
operated during the spring/autumn months.
Models LGH-15 to 100 RX4 Models LGH-150 and 200 RX4
Exhaust air
Fresh air
Lossnay core
Damper
Return air
Supply air
Exhaust air
Fresh air
Exhaust air
Fresh air
Lossnay core
Damper
Return air
Supply air
Return air
Supply air
■ AUTOMATIC VENTILATION setting
The automatic damper mode automatically provides the correct ventilation for the conditions in the room. The following shows the effect
“By-pass” ventilation will have under various conditions.
City Multi
indoor unit
Lossnay unit
4-E
LGH-**RX
Power
A/C’s remote controller
supply
2
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