3.3 Air Solenoid Valve This section contains literature pertaining to the installation, operation and maintenance of the above component. As a built in safety feature, your RTT powder booth is provided with a two-way solenoid valve for the purpose of ensuring that pressurized air is only available to the powder application equipment if the powder booth is operating properly. The function of this valve is to interrupt the supply of compressed air to the powder application equipment under certain conditions. This is done to prevent powder coating from occurring when the powder booth is not operating as designed or if any booth doors are open (if equipped). The air solenoid valve is electrically interlocked with the powder booth exhaust fan(s). If the optional switches are purchased, it is also interlocked with the product and personnel doors (if equipped). If the fan is not operating, or if a door (if equipped) is open for longer than a few seconds, the air solenoid valve will shut off the flow of p r essurized air to the powder application equipment. The unit should be installed down stream of any regulators and filters and upstream of the powder application equipment. It should be located as close as possible to the fitting to which the powder application equipment connects in order to insure rapid loss of supply pressure.
L1 of Customer provided 3 Phase power L2 of Customer provided 3 Phase power L3 of Customer provided 3 Phase power 120VAC Hot Wire provided by customer 120 VAC Nuetral Wire provided by customer Ground Wire provided by customer
Control Panel
Booth Door Limit Switch #1 Booth Door Limit Switch #1
Booth Exhaust Fan
Booth Light Fixture
Booth Light Fixture
Booth Light Fixture
Booth Light Fixture
Booth Light Fixture
#3
#4 #5
#1 #2
Compressed Air Line
Compressed Air Line
Air Com- pressor
Paint Gun
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