Installation Manual
Eng-12
8
When using the remote/local switching and the ON/OFF
input (level signal)
Insert the optional remote ON/OFF adapter (PAC-SE55RA-E or PAC-
715AD) in CN32 on the Lossnay control circuit board.
When multiple Lossnay units are controlled by one input, the signal
has to be inputed into main unit referring to 3.
SW1: When this is ON, Lossnay cannot be turned ON/OFF by the
Remote Controller (PZ-62DR-E).
SW2: When SW1 is ON, Lossnay can be turned ON by setting SW2
at ON or turned OFF by setting SW2 at OFF.
SW1: Remote/local selector switch
SW2: ON/OFF switch
X, Y : Relay (Contact rated load: 0.1 A at 15 VDC or more,
Minimum applicable load: 1 mA or less)
9
When connecting to the City Multi, Mitsubishi Electric Air-
Conditioner Network System (MELANS)
CAUTION
TM4, TB5
• Connect a shielded wire to terminal TB5 S on the circuit board.
Address setting is required. (Refer to function setting section.)
M-NET transmission cable: Connect any of the City Multi
indoor unit, or Mitsubishi Electric
Air-Conditioner Network System
(MELANS) - to the Lossnay.
• Remote Controller
PZ-62DR-E:
Connect to TM4 1, 2 on the circuit board. (See Section 1
“When connecting with remote controller (PZ-62DR-E)”.)
• Securely connect the M-NET transmission cables to TB5 AB.
(No-Polar)
Type: Two-core shielded wire (CVVS/MVVS)
Wire diameter: AWG 16 (1.25 mm
2
)
CAUTION
• Do not tighten screws of terminal block with a torque larger
than 1.2 N・m. It could damage the circuit board.
• Always use shielded wires only for the M-NET transmission
cables, and nish the shield properly.
• Be sure to cut M-NET power supply during Lossnay wiring,
otherwise it causes malfunction.
Remote control
board
Remote ON/OFF adapter
(Optional) PAC-SE55RA-E
or PAC-715AD
Lossnay
control board
Relay circuit
CN32
SW1
SW2
Y
X
Y
X
Max wiring length 11 yd (10 m)
Orange 1
Red 2
Brown 3
Relay power supply
A
B
S
TB5
Shielded wire
M-NET transmission cable
✓
When interlocking with Mitsubishi M-NET air conditioner
• Incase of PZ-62DR-E
M-NET transmission cable
Lossnay
Air
conditioner
Air
conditioner
MA remote
controller
PZ-62DR-E
4. Installation method (continued)
* Limit the total length of transmission cables no longer than 547 yd
(500 m). Limit the wiring length between Lossnay and the power
supply unit (Optional) or the outdoor unit no longer than 219 yd
(200 m).
Note
• LGH-FRVX2-E series Lossnay can NOT be set as the same
group with other series Lossnay such as LGH-FRVX-E series.
10
To start/stop Lossnay stand-alone operation without using
the remote control
Start/stop the unit by a switch connected to TM2 YZ.
When turned the unit ON, it operates at fan speed 4 and automatic
ventilation mode.
CAUTION
• Do not start/stop the unit by turning the power supply to the
unit ON/OFF.
Power
supply unit
Lossnay
MELANS
M-NET transmission cable
When connecting to PZ-62DR-E and MELANS
• Connect the power feeding unit.
(Optional)
PZ-62DR-E
L
N
Y Z
1 2
Switch
Isolator
TM2
TM1
Lossnay external
control input