Mitsubishi Electric Lossnay LGH-100RX4-E, Handbook

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LED1 (green)
• When blinking, there is an error with the Lossnay unit (number of blinks indicates the type of error).
• Blinks at 1 second intervals when starting.
• Lit during delayed start, normally off at other times.
LED2 (red)
• Blinking indicates M-NET communication error (number of blinks indicated the type of error).
• Lit when not connected to other M-NET units (registered).
Exhaust fan operation unit (combined)
Fuse (6.3 A/250 V)
Supply fan operation unit (combined)
Power supply
220 V to 240 V AC: up to 50 Hz
220 V AC: up to 60 Hz
(60 Hz is not used in EU)
Transformer input
Damper motor
operation unit
220 V - 240 V AC
5 V DC
12 V DC
Transformer output
11 V to 20 V AC
GND
LED4 (red)
• lit when power is
supplied to circuit
Thermistor
(outdoor air)
Thermistor
(return air)
Damper position
detector
• during Lossnay
ventilation: 12 V DC
• during by-pass
ventilation: 0 V
M-NET transmission cable (shielded)
M-NET transmission cable
(PZ-52SF-E, MELANS, power supply unit
or City Multi)
For external device
connection
During
operation: 0
Ω
When
stopped: OPEN
During error/pre-
heat: 0
Ω
Normal: OPEN
Remote control switch (PZ-41SLB-E) and
Lossnay spanning transmission cable
9 V to 15 V DC
Exhaust fan operation unit
220 V to 240 V AC: up to 50 Hz
220 V AC: up to 60 Hz
Supply fan operation unit
220 V to 240 V AC: up to 50 Hz
220 V AC: up to 60 Hz
Extra
high
High Low
Extra
high
High Low
4-3 Circuit Test Point
In the case of LGH-
150RX
4
-E and LGH-
200RX
4
-E, CN6 is
unconnected.