Installation; Electrical Connection - Yamato 24/2 M1CD Instruction Manual

Lubricated air compressor
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92847-92848
ENGLISH
SAFETY
GROUNDING INSTRUCTIONS
This compressor should be grounded while in use to protect the operator from electric shock.The compressor is equipped
with a three-conductor cord and three-prong grounding type plug to fit the proper grounding type receptacle. The green
(or green and yellow) conductor in the cord is the grounding wire. Never connect the green (or green and yellow) wire to a
live terminal. If your units is for use on less than 150 volts, it has a plug. An adapter, is available for connecting sketch (A) type
plugs to two-prong receptacles. The green-colored rigid ear, lug, or the like extending from the adapter must be connected
to a permanent ground, such as a properly grounded outlet box. NOTE: the grounding adaptor, sketch (C), is prohibited in
Canada by Canadian Electrical Code Part.1. Therefore, the instructions for its use are not applicable in Canada.
EXTENSION CORD
Use only three-extension cords that have three-prong grounding type plugs and three-pole receptables that accept the
compressor's plug. Replace or repair damaged cord. Make sure your extension cord is in good condition. When using an
extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized cord will cause
a drop in line voltage resulting in loss of power and overheating. Table shows the correct size to use depending on cord
lenght and name plate ampere rating. If in doubt, use the next heavier gage. The smaller the gage number, the heavier the
cord.
SECTION VALID FOR A MAX LENGHT OF 20 mt singlephase
220/230V
110/120V
CV
kW
50 Hz (mm
2
)
60 Hz (mm
2
)
2
1.5
2.5
4-6
WARNING
Avoid electrical shock hazard. Never use this compressor with a damaged or frayed electrical cord or extension cord.
Inspect all electrical cords regularly. Never use in near water or in any environment where electric shock is possible

INSTALLATION

Remove the compressor from its packing, makes sure it is in perfect condition, checking if it was damaged during transport,
and carry out the following operations. Fit the wheels and rubber tab on the tanks on which they are not already fitted.
Position the compressor on a flat surface or with a maximum permissible inclination of 10°, in a well aired place, protected
against atmospheric agents and not in a place subject to explosion hazard. If the surface is inclined and smooth, check if
the compressor moves while in operation – if it does, secure the wheels with two wedges. If the surface is a bracket or a shelf
top, make sure it cannot fall, securing it in a suitable way. To ensure good ventilation and efficient cooling, the compressor's
belt guard must be at least 100 cm from any wall. Compressors fitted on the tank, with fixed feet, should not be rigidly
secured to the ground. In this case, we advise you to fit 4 anti-vibration supports.
USE INSTRUCTIONS
– Take care to transport the compressor correctly, do not overturn it or lift it with hooks or ropes
– Replace the plastic plug on the guard cover with the oil level stick or with the relevant breather plug, supplied with the
instructions booklet. Check oil level, consulting the reference marks on the stick or the oil level inspection window.

ELECTRICAL CONNECTION

Compressors are supplied with an electrical cable and a two-pole + earth plug. The compressor must be connected to a
grounded power socket.
IMPORTANT:
Never use the ground socket instead of the neutral wire. The ground connection must be made to meet safety standards(EN
60204). The plug of the power cable must not be used as a switch, but must be fitted in a power socket controlled by a
suitable differential switch (thermalbreaker).
STARTING
Check that the mains power matches that indicated on the electrical data-plate – the permissible tolerance range is +/-5%.
Press into position "0" the knob located on the upper section. Fit the plug in the power socket and start the compressor,
turning the pressure switch knob into position "I". The compressor is fully automatic, and is controlled by the pressure switch
which stops it when tank pressure reaches maximum value and restarts it when it falls to minimum value. The pressure
difference between maximum and minimum values is usually about 2 bar (29 psi). E.g.: the compressor stops when it
reaches 8 bar (116 psi – maximum operating pressure) and restarts automatically when the pressure inside the tank drops to
6 bar (87 psi). After connecting the compressor to the power line, load it to maximum pressure and check exactly how the
machine is operating.
IMPORTANT
The electro-compressors must be connected to a power socket protected by a suitable differential
switch (thermal-breaker). The motor of compressors is equipped with a manually resetting
automatic amperometric thermalbreaker; this stops the compressor when motor temperature
reaches excessively high values. When the breaker is tripped, wait for a few minutes and then reset
the breaker manually.
NOTICE: This air compressor is designed for household use only and is not intended to operate
heavy-duty air tools. If your application's demands exceed the capacity of this air compressor, a
larger air compressor that is matched to your application is recommended.
12

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