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Mechline Developments Limited
15 Carters Lane
Kiln Farm
Milton Keynes
MK11 3ER
United Kingdom

Tel : 0044(0) 1908 261511
Fax : 0044(0) 1908 261522

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
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FAQ Gas Interlock System G.I.S.

 

If you have any questions regarding this product - please contact Mechline.

For Models M-G03 and M-G03R

Lights for fans 1 & 2 are flashing continuously, but the interlock seems to be working fine. What's wrong?

If installing one of the M-G03 models, be sure that two (2) sensors are connected for each fan. If only one is connected, the GIS panel thinks that a sensor has failed and the lights will flash. If you prefer to use one (1) sensor per fan, then choose model M-G02 or M-G02R.

Adding a Remote Emergency Cut off Switch to a G02R or G03R

If you were to simply wire two switches into the terminal block, it would only cut off if BOTH switches were activated. To ensure that either switch can turn off the gas they need to be connected in series.

M-G01 FAQ Information:

In case of break down with M-G01 models, follow these steps:

1. Is A or C solid red?

  • If so Fan 1 or Fan 2 failed – check if any pressure in hood and Fans are working.
  • Check Air Sensor nozzles on tubes, fitted to Ductwork, are not blocked – Engineer procedure.
  • Or, check the tube from Differential Switch to duct is not blocked or disconnected.

2. Is B flashing green?

  • Press Start/Stop button to release gas flow.

3. Is A or C flashing red?

  • Reset emergency stop button.

4. If the GIS has an Override fitted, then for temporary work, if the Kitchen Operation is deemed Safe by a qualified engineer, the engineer may advise on the use of the Override facility.

THIS IS FOR EMERGENCY USE ONLY, and must not be used continuously. If the GIS has actuated, then there is a reason for it. A qualified engineer’s attendance to address the cause / issue is essential. With the GIS running on override, the kitchen is at risk.

MAINLY QUERIES DURING INSTALLATION:

Symptom – No lamps are lit and unit does not function

  • Check AC mains supply
  • Check onboard fuse on PCB {replace with 20mm long 100mA(T)}

Symptom – Red lamps A or C stay off even when fans are turned off

  • Check Air Differential Switch operation
  • Check position of switch 2 on PCB (is it set to correct number of fans?)
  • Check for short circuits across terminals marked Fan1 and Fan2 on PCB

Symptom – Red lights flash, unit will not work

  • If Emergency Stop is not used, is the PCB switch in the correct position?

Symptom – Red lamp A stays on and unit will not operate

  • Check wiring to Air Differential Switch 1
  • Check operation of Air Differential Switch 1

Symptom – Red lamp C stays on and unit will not operate

  • If only 1 fan fitted, check PCB switch is in correct position
  • Check wiring to Air Differential Switch 2
  • Check operation of Air Differential Switch 2

Symptom – Green lamp B flashes but unit does not respond to button

  • Check red wires in rear of unit connecting to front fascia panel

Symptom – Unit does not respond to Emergency Stop

  • Check position of Switch 1 (Use E. Stop?)
  • Check operation of Emergency Stop switch
  • Check for short circuits across Emergency Stop terminals

Does the Mechline CaterGuard G.I.S & accessories have a warranty?

The warranty on the Mechline G.I.S. is for one (1) year from the date of despatch. The warranty is for parts only, against manufacturing defect or workmanship. No inclusion is made for labour or site attendance, and no such warranty is offered or implied. Mechline Developments Ltd accepts no responsibility for consequential loss caused or suffered as a result of the lack of provision of on site emergency cover.

At Mechline, we pride ourselves on the quality of our products. With the benefit of many years experience, we recognise that the catering equipment industry requires high-quality, durable products at the best possible value. In order to deliver this to you, we invest heavily in research and development, quality control and in individual product testing prior to despatch.

This policy prevents defective products from being despatched to our customers, and means that we have no need to carry the overhead of service engineers, or add engineer costs to our products. Please bear this in mind when specifying the Mechline Gas Interlock System. If on-site emergency call-out cover is required, it is not the responsibility of Mechline Developments Ltd to provide this.

Given the nature of the GIS system being interfaced with a number of different control mechanisms, it is highly advisable that you have or provide an emergency contact number to your client for your service / installation engineer, or advise your client of alternative backup procedures in the event of product activation or operational difficulties.

It is the Customer’s responsibility to determine the suitability of the GIS system for the application.

Mechline Returns Policy.
If you have a product that you feel is faulty, please ring our sales office for a “returns number” (RN no.) giving us all details, in order for us to log your concern with the item(s) being returned.

We will ask you for a Purchase Order for any replacement parts. This ensures that the enduser / site client has usable product. The replacement parts are then charged to your account. Once the parts / products in question are received, an investigation is carried out to determine the fault. Costs for returning the goods are at the customer’s expense. A report is then issued giving you the findings. If no fault is found, we will return the product in question back to you. If the fault is found to be a manufacturing defect, a Credit will be issued subject to our standard warranty policies. Mechline’s standard returns policy is also available at http://www.mechline.com/pdf/policies/warranty-returns-policy.pdf

Important documents / notes for your consideration and reference:

  • Corgi Technical Bulletin - TB 130 BS 6173
  • Gas supply (Installation and use) regulation GSIUR27-4
  • HSE Information sheet No 23 – Gas Safety in Catering and Hospitality