Installation25, External dosing | Alliance Laundry Systems SVN255P

Installation25

3.5.Compressed air connection (figure 20)

Assemble the pressure gauge A and seal the thread with Teflon or o

∙ther sealing component.

∙Pressure (min-max.): 6-7 bar. (87-100 PSI). The machine is provided with a filter and pressure regulator.

∙The Compressed Air inlet connection to the machine must be done with a flexible tube of 10 mm of inner diameter, secured to the connection coupling B with a clamp.

∙See Installation specifications (section 1.4) of the corresponding model for sections, dimensions and CA connection flow.

∙Insert in the supply pipe and in an accessible place a MECHANICALLY LOCKABLE MANUAL SHUT-OFF VALVE, to ease general maintenance operations or to be used during long periods of non operation of the washer.

VERY IMPORTANT!

Although the machine is provided with a filter at the Compressed Air inlet connection, it is of vital importance to supply to the machine a completely dry air.

TILT MODELS

fig 20

Air connection hoses to the machine must be flexible, capable of accommodating the washer movements during the loading and unloading operations and secured at their ends.

3.6.External dosing

The washer can communicate with external dosing equipment through electrical signals produced by the closure of the relay contacts during a wash cycle.

The relay contacts close the circuit between a COMMON input in and each one of the outputs corresponding to each one of the dosing that the washer program runs.

According to the characteristics of the external dosing equipment, two different connections can be used:

∙Dry contacts. Origin of the dosing signals: these proceed from an external supply source of the washer (normally it is a signal coming from the external dosing equipment). The relay contacts act as dry contacts.

Maximum values for the electricity supply: 240V, 50/60Hz; 1A.

∙Contacts powered from the washer control circuit. The external dosing control board incorporates a connection point allowing to generate dosing signals from the washer control circuit. Supply voltage: 200…240V; 50/60Hz depending on the washer.

Maximum connection intensity: 0.05A.

3.6.1.External dosing equipment connection to the washer

Refer to the washer electrical diagram to locate the connection points.

Steps prior to connection:

∙Disconnect and mechanically lock the external automatic switch.

∙Open the terminal box A, (figures 26 and 29) located on the back of the machine.

∙On the entry hole of the electrical connection to the external dosing unit (identified as Ed figures 26 and

29)install a device (not supplied with the washer) to secure the cable or cable pipe protector, depending on the cable or cable pipe used. Refer to dimensions and connection diameter in INSTALLATION SPECS, section 1.4.

Signal conductor

∙Characteristics of the signal conductor cable: 0,75mm2 (#16-18 AWG), 400V.

∙If using single-wire conductors, these must be encased within a safety conduit.

∙The conductor must be affixed to the inlet opening of the machine affixed to the inlet opening of the machine for the type of conductor.

∙The conductor must be protected against traction, crushing and friction.

∙Additional specifications for the conductors: they must comply with the statutory regulations of the country in which it is to be installed.

	Cod. G522433
© Copyright 2009, Alliance Laundry System LLC – DO NOT COPY OR TRANSMIT	Rev. 00/0510

SVN255P, UVN255P specifications

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