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Example configurationRetail and services

The customer calls for staff from a specific wash bay

A staff call for a car wash with no permanent staff: the customer presses a button at the payment terminal, the owner gets a text message and, on arrival, reads on the receiver which bay the call came from.

  • 6buttons at the terminals
  • 1receiver showing the bay number
  • 1GSM transmitter: text to the owner
The customer calls for staff from a specific wash bay
Illustrative image

01 / Investment context

What problem does this configuration solve?

The car wash has six bays and runs without permanent staff — the owner comes out when called. A customer whose payment the terminal did not accept, or whose programme stopped halfway, is left in the bay with a wet car and nobody to ask.

Calling the number on the sign does not always get through: the owner may be driving, working elsewhere or have the phone on silent. And even when the owner answers, the customer cannot always say which bay they are in and what exactly happened. Anyone who gets no help drives off with the problem unresolved — and the owner does not even know that someone needed help.

The investor’s goal: Fewer customers driving off with their problem unresolved: a call from a bay reaches the owner by text message, and on site it is clear at once which bay called.

How does this configuration work?

At the payment terminal of every bay, under a canopy, hangs a sealed battery button (PNH-201) with a sticker saying “Call staff”. Each of the six buttons has its own code, stored in the identification receiver (IDO-04/99) in the plant room under the number of its bay.

The receiver recognises which button has transmitted and shows the bay number. Its relay signals the input of a GSM transmitter in a housing with a power supply (ATG-SG4set), which sends the owner a text message about the call. On arrival, the owner reads on the receiver which bay the call came from. The receiver is powered by a mains power supply (SPR-ZS1) in a dry part of the room.

The buttons run on batteries, so no cables have to be laid to the terminals. The receiver’s relay works in monostable mode: with each call it switches on for the set time — 30 s or 1 s — and in this way triggers the GSM transmitter.

02 / Operating principle

From signal to action.

A button at the terminal of each of the 6 bays calls the owner by text, and the receiver shows the bay number.

  1. 01 / Signal source

    PNH-201 Button at the bay’s terminal

    The customer presses “Call staff” when the terminal or the programme fails.

  2. 02 / Reception

    IDO-04/99 In the plant room

    Identifies the button, shows the bay number and triggers the GSM transmitter.

  3. 03 / Notification

    Owner Text from the ATG-SG4set transmitter

    Receives a text message about the call as soon as the button is pressed.

On arrival it is clear which bay called. The text does not give the bay number — the receiver shows it, so on arrival there is no need to walk round the car wash or question the customer.

A simplified functional diagram.

03 / Installation components

Devices in this configuration

An example selection — the number of devices depends on the site.

PNH-201 — Sealed 1-key button

PNH-201

Sealed 1-key button

Sealed battery button at the bay’s payment terminal, under cover, with a “Call staff” sticker. Each one has its own code.

Quantity: 6

SPR-ZS1 — System power supply

SPR-ZS1

System power supply

A 230 V AC power supply for the identification receiver, in a dry part of the plant room.

Quantity: 1

Catalogue figures describe a device under stated conditions, usually in open terrain, and are not a guaranteed range in every installation. Device quantities in the examples are indicative.

04 / Value for the investor

What does this solution give you?

The owner knows at once

The text goes out as soon as the button is pressed, so the call does not get lost like a missed phone call from a customer.

It is clear which bay

The receiver shows the bay number, so on arrival there is no need to walk round the car wash or question the customer.

Fewer customers left without help

Customers have a simple way to call for staff right at the terminal, so fewer of them drive off with an unresolved payment or programme problem.

05 / Before installation

What needs to be settled for a similar investment?

Before devices are chosen, what matters is the site’s conditions and how the system ties into the final installation.

Requirements to verify

  • The button is rated IP44 and works at temperatures from −10 to +55 °C: it is mounted under cover, out of reach of the lance and foam; in frost below −10 °C it operates outside its specification.
  • For sites exposed to vandalism, GORKE offers vandal-resistant LX-series buttons — the receiver must then also be LX-series, as the series are not mixed.
  • Mobile network coverage in the plant room, and the phone number the text message is to go to.
  • A range test from the bays to the plant room — the steel structure and the bay walls can dampen the signal.
  • The text message does not give the bay number — the receiver shows it; to be agreed how long the indication lasts and who clears it. If the owner wants to know the bay before arriving, a different configuration is needed.

Example configuration — it needs a technical selection for your site.

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