74. Precautions & Recommendations4.1 Transportation and Storage:During transportation, please handle the appliance carefully and no upside down toprevent the damage of the enclosure and inner parts. The packaged device should bestored in a well-ventilated warehouse of no corrosive gas. Should any temporallystorage needed, please take measurement against raining.4.2 Notice for Installment:1. The supply voltage should be in accordance with the working voltage of thedevice.2. The device is equipped with grounding bolt at the back. It shall be reliablyconnected to ground wire that comply with the safety regulations with copper wireno less than 1.5mm².3. After installation, check the tightness of all the connection, the correct functioningof the voltage and the reliability of the ground wire.4. Set the device on a flat, secure surface, and make the sides away fromnon-combustible material (eg. Brick walls or windows) no less than 10 cm, andthe rear at least 20 cm.5. According to the wiring regulation, the fixed wiring connected to this appliancemust be equipped with an all-pole disconnect switch (leakage switch), with atleast 3mm contact opening distance of each pole of the switch. It is also advisedto install grounded leakage protection switch. Do not pile sundries in front of theswitch for convenient operation.6. Do not store any inflammable or explosive substances near the device. Theambient temperature shall be 0℃-35℃ and the relative humidity shall be lowerthan 85%.7. All the installation of this device should be done by professional and qualifiedpersonnel.Note: The ground wire shall be connected reliably. The plug and wiring board shall bein tight contact. Otherwise, the joints may heat up and blow the power cord dueto improper connection, and then cause fire.4.3 Special note1. The appliance is a commercial machine which is not applicable for home use andshould be operated by professional personnel.2. This salamander is only intended for baking food or drying flour, other applicationsare not applicable.3. No shaking or tilting during using.