Mitsubishi Electric SKU-50RJ-E Installation Manual

Trial Operation (continued)
2. Lossnay independent trial operation
(1) Remove the control box cover.
(2) Turn the trial operation switch (SW2-1) to "On."
Operation will start at the "High" setting. (This will take
approximately 45 seconds after the power is turned on.)
(3) Turn the trial operation switch (SW2-1) to "Off."
(4) Install the cover in its original position on the control box.
3. If trouble occurs during trial operation
Symptom
Check the power supply (The specified power supply is single-phase 230V50Hz.)
Lossnay does not operate
when the ON/OFF button of
Check for a short circuit or disconnection in the transmission cable. (Check that the voltage between
the remote controller (PZ- terminals in the transmission cables is 9 to 15 VDC for the PZ-45SLJ-E.)
45SLJ-E) is pressed.
Check that there is 5 cm or more separating the transmission cable from the power supply cable and any
other transmission cables.
Run the Lossnay independently using the trial operation switch (SW2-1) and check if it runs.
The inspection indicator lamp 1 flashes Failure of Lossnay Thermistor (SA side)
(LED1 Green) in the control
2 flashes Failure of Lossnay circuit
box flashes.
4 flashes Failure of Lossnay Thermistor (OA side)
OFF ON Operation
Power will be supplied to the motor for the
SW2 1 Lossnay fan and operation will be
performed at the "High" setting.
Remedy
Turn off the power and immediately contact
your dealer.
Lossnay Energy Recovery Ventilator for Home Use
Model
SKU-50RJ-E
Installation Instructions
This product needs to be installed properly in order to ensure maximum functionality as well as safety.
Please make sure to read this installation manual before starting the installation.
Installation must be performed by a dealer or installation contractor. Please note that improper installation
may cause malfunction or accident.
Separate booklet Operating Instructions is provided for the customer.
The booklet and this manual must be handed over to the customer after completing the installation.

Safety Precautions

The following signs indicate that death or serious injury may be caused by failure to heed the precautions described below.
Do not modify or disassemble.
Do not (It could cause fire, electric shock or injury.)
disassemble
The main unit and remote controller should not be installed where it is highly humid, like a bathroom, or other wet place.
(It could cause electric shock or power leakage.)
Prohibition of use in
bath or shower room
Use the specified power supply and voltage. (Use of incorrect power supply or voltage could cause fire or electric shock.)
Select a place with sufficient strength and install the main unit securely. (It could cause injury if it falls.)
Wiring work must be performed by qualified professionals, and be implemented safely and securely in accordance
with the engineering standards and the extension wiring rules for electrical equipment.
(Poor connection or improper wiring work could cause electric shock or fire.)
Install a power supply isolator at the power supply side for protection against power leakage.
The instructions
(It could cause fire if power leakage occurs.)
given must be
Use the specified wires and connect them securely to prevent disengagement when they are pulled.
followed.
(If there is a defect in the connection, there is a possibility of fire.)
Select an adequate place for the opening to introduce outdoor air, where it will not inhale the exhaust fumes like
combustion gas, or others, and there is no risk of blockage by snow fall, or others.
(Shortage of fresh air could put the room in a state of oxygen deficiency.)
A duct made of steel must be installed with care not to be connected electrically with metals such as metal , wire ,
stainless steel plate, or others. (It could cause fire when power leakage occurs.)
Do not place a burning appliance in a place where it is exposed directly to the wind from Lossnay.
(It could cause an accident as a result of incomplete combustion.)
Do not place an object on or sit on the main unit. (It could cause electric shock, fire, or other damage.)
Do not use at a place where it is exposed to high temperatures (40
with heavy fumes. (It could cause fire.)
Prohibited
Do not use in an environment such as a chemical factory, where hazardous gases such as acidic gases, alkaline gases,
organic solvent fumes, paint fumes, or gases containing corrosive components are generated. (It could malfunction.)
Put on gloves during installation. (It could cause injury.)
Make sure the power supply isolator is turned off on the power distribution panel when Lossnay is not used for a long period
of time after the installation. (It could cause electric shock, power leakage, or fire as a result of deteriorated insulation.)
The instructions
Always use the specified suspension bolts, nuts and washers.
given must be
(Use of hardware with insufficient strength could result in the product dropping.)
followed.
The outside ducts must be tilted at a gradient (1/30 or more) down toward the outdoor louvres from Lossnay,
and properly insulated. (The entry of rain water may cause power leakage, fire, or damage to household property.)
The control box cover must be closed after the installation. (Dust or humidity may cause power leakage or fire.)
(For use by dealer/ contractor)
WARNING
CAUTION
or higher), naked flames, or in environment