Check Points After Installation Work; Trial Operation; Trial Operation Using The Remote Controllers; Lossnay Trial Operation - Mitsubishi Electric LGH-25RVX-E Installation Instructions Manual

Check points after installation work

After installation work, please double-check the points below. If there is any trouble, it must be done correctly.
(1) Check points - Unit installation
Is the insulation wrapped around the outside ducts?
Is the outside ducts installed correctly?
(2) Check points - Wiring work
Is the power supply voltage correct?
Is the wiring work the same as wiring diagram?
Is the power supply cable connected to the terminal (TM1) certainly?
Is the ground cable connected to the screw certainly?
Are the cables properly secured using the cord clip and the PG connector?

Trial operation

After the system has been installed and before the ceiling panel is installed, make sure that wires are properly connected, then test the system's
operation, referring to the operation manual for the remote controller.
1. Trial operation using the remote controllers (PZ-61DR-E)
Follow the procedure shown in the operation manual for the remote controller the functions below.
(1) Start operation.
(2) Fan speed selection.
(3) Ventilation mode selection.
(4) Stop operation.

2. Lossnay trial operation

This function can be used following situations.
• When there is no remote controller installed for operating the Lossnay.
• When heater output, malfunction monitor output, operation monitor output, and other output are connected.
• When the outdoor temperature is 8ºC or lower. (To check By-pass damper operation)
(1) Supply power to the Lossnay unit.
(2) Turn the trial operation switch (DIP-SW SW2-1) "On."
Terminal DIP-SW Setting
- - -
- - -
TM3 70 SW5-6 OFF
ON
TM3 90 SW2-8/
OFF/OFF
SW5-2
OFF/ON
ON/OFF or
ON/ON
TM3 80
- -
Error code "0900" appears on the remote controller.
(3) Check each function operating normally.
(4) Turn the trial operation switch (DIP-SW SW2-1) "Off."
3. Complete system trial operation
n Interlock system containing an indoor unit and/or external device
• Use the remote controller for the indoor unit or the operating switches for the external device and confirm that the indoor unit and Lossnay are
interlocked.
• If delay time has been set, check that the Lossnay operates after the delay time has passed.
n If MELANS System
• Use MELANS to confirm the operation of the Lossnay.
0
Minutes
Seconds 0 10 20 30 40 50 0 10 20 30 40 50 0 10 20 30 40 50 0 10 20 30 40 50 0 10 20 30 40 50
FanSpeed STOP
Ventilation mode Bypass
Bypass monitor output OFF ON
Pre-heater output OFF
EA fan monitor output ON
SA fan monitor output ON
SA fan monitor output delay
OFF
operation
Malfunction monitor output ON
[Refer to Installing the Lossnay unit]
[Refer to Installation example]
[Refer to wiring diagram]
[Refer to wiring diagram]
[Refer to Connecting the power supply cable]
[Refer to Connecting the power supply cable]
[Refer to Connecting the power supply cable]
1 2
4 STOP 4
Lossnay
OFF
page 5
page 5
page 7-8
page 7-8
page 9
page 9
page 9
3 4
ON
ON
Eng-21