Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 331

Inverter multi-split system residential air-conditioners
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   (3) FDUM series (RCN-KIT4-E2)
Safety precautions
●Please read this manual carefully before starting installation work to install the unit properly.
Every one of the followings is important information to be observed strictly.
WARNING
Failure to follow these instructions properly may result in serious consequences
such as death, severe injury, etc.
CAUTION
Failure to follow these instructions properly may cause injury or property damage.
It could have serious consequences depending on the circumstances.
●The following pictograms are used in the text.
●Keep this manual at a safe place where you can consult with whenever necessary. Show this manual to installers when
moving or repairing the unit. When the ownership of the unit is transferred, this manual should be given to a new owner.
● Consult your dealer or a professional contractor to install the unit.
Improper installation made on your own may cause electric shocks, fire or dropping of the unit.
● Installation work should be performed properly according to this installation manual.
Improper installation work may result in electric shocks, fire or break-down.
● Be sure to use accessories and specified parts for installation work.
Use of unspecified parts may result in drop, fire or electric shocks.
● Install the unit properly to a place with sufficient strength to hold the weight.
If the place is not strong enough, the unit may drop and cause injury.
● Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit.
Power source with insufficient and improper work can cause electric shock and fire.
● Shut OFF the main power source before starting electrical work.
Otherwise, it could result in electric shocks, break-down or malfunction.
● Do not modify the unit.
It could cause electric shocks, fire, or break-down.
● Be sure to turn OFF the power circuit breaker before repairing/inspecting the unit.
Repairing/inspecting the unit with the power circuit breaker turned ON could cause electric shocks or injury.
● Do not install the unit in appropriate environment or where inflammable gas could
generate, flow in, accumulate or leak.
If the unit is used at places where air contains dense oil mist, steam, organic solvent vapor, corrosive gas (ammonium,
sulfuric compound, acid, etc) or where acidic or alkaline solution, special spray, etc. are used, it could cause electric
shocks, break-down, smoke or fire as a result of significant deterioration of its performance or corrosion.
● Do not install the unit where water vapor is generated excessively or condensation occurs.
It could cause electric shocks, fire, or break-down.
● Do not use the unit in a place where it gets wet, such as laundry room.
It could cause electric shocks, fire, or break-down.
● Do not operate the unit with wet hands.
It could cause electric shocks.
Preparation before installation (continued)
To change setting
1. Remove one screws located on the under of the receiver and
detach the board.
2. Change the setting by the switch on PCB.
Safety precautions
●Please read this manual carefully before starting installation work to install the unit properly.
Every one of the followings is important information to be observed strictly.
WARNING
Failure to follow these instructions properly may result in serious consequences
such as death, severe injury, etc.
CAUTION
Failure to follow these instructions properly may cause injury or property damage.
It could have serious consequences depending on the circumstances.
Never do.
●The following pictograms are used in the text.
Never do.
●Keep this manual at a safe place where you can consult with whenever necessary. Show this manual to installers when
moving or repairing the unit. When the ownership of the unit is transferred, this manual should be given to a new owner.
● Consult your dealer or a professional contractor to install the unit.
Improper installation made on your own may cause electric shocks, fire or dropping of the unit.
● Installation work should be performed properly according to this installation manual.
Improper installation work may result in electric shocks, fire or break-down.
● Be sure to use accessories and specified parts for installation work.
Use of unspecified parts may result in drop, fire or electric shocks.
● Install the unit properly to a place with sufficient strength to hold the weight.
If the place is not strong enough, the unit may drop and cause injury.
● Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit.
Power source with insufficient and improper work can cause electric shock and fire.
● Shut OFF the main power source before starting electrical work.
Otherwise, it could result in electric shocks, break-down or malfunction.
● Do not modify the unit.
It could cause electric shocks, fire, or break-down.
● Be sure to turn OFF the power circuit breaker before repairing/inspecting the unit.
Repairing/inspecting the unit with the power circuit breaker turned ON could cause electric shocks or injury.
● Do not install the unit in appropriate environment or where inflammable gas could
generate, flow in, accumulate or leak.
If the unit is used at places where air contains dense oil mist, steam, organic solvent vapor, corrosive gas (ammonium,
sulfuric compound, acid, etc) or where acidic or alkaline solution, special spray, etc. are used, it could cause electric
shocks, break-down, smoke or fire as a result of significant deterioration of its performance or corrosion.
● Do not install the unit where water vapor is generated excessively or condensation occurs.
It could cause electric shocks, fire, or break-down.
● Do not use the unit in a place where it gets wet, such as laundry room.
It could cause electric shocks, fire, or break-down.
● Do not operate the unit with wet hands.
It could cause electric shocks.
Preparation before installation (continued)
To change setting
1. Remove one screws located on the under of the receiver and
detach the board.
2. Change the setting by the switch on PCB.
3. When SW1 is turned to OFF position, change the wireless remote control setting.
For the method of changing the setting, refer to Setting to avoid mixed
④ Wireless remote control
communication of
*The receivable area of the signal refer to
How to install the receiver
Always follow the instructions given.
WARNING
WARNING
Master/Slave setting when using
Switch
Default settings
Up to two receiver or wired remote
330
-
-
.
control can be installed in one
⑤ Receiver
.
indoor unit group.
When two receiver or wired remote
control are used, it is necessary
PJZ012D112
'17 • SCM-T-225
Always follow the instructions given.
Master/Slave setting when using
plural remote controls
Up to two receiver or wired remote
control can be installed in one
indoor unit group.
When two receiver or wired remote
control are used, it is necessary
to change SW on the PCB to set it
plural remote controls
as slave.
PJZ012D112
Pleas
Sett
PCB
follow
Defau
Settin
mark.
PCB on
1
followin
Default
mark.
1
⑤ Ta
⑥ Fit
(B) I
A
Ple
P
⑤ T
⑥ F
(B
H
U

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