Intelligas KVM-SF Manuel utilisateur

Intelligas takes every care in ensuring these products reach you in perfect working order.

Each system is tested on dispatch and site induced damage is easily detectable.

Ensure the operation of this unit is explained fully to the kitchen staff.

24 hour technical support line - 02381 290444

KVM - SF

Short form engineers wiring diagram

and functional explanation

INTELLIGAS

Gas safety & control systems

INSTALLATION

GUIDE

intelligas.co.uk

INSTALLATION

GUIDE

KVM-SF

INTELLIGAS

Gas safety & control systems

Introduction

Thank you for choosing an Intelligas product. Please follow these instructions to ensure a safe, functional and

long-lasting installation.

This information is important and should be read and understood before attempting installation.

If you are unsure of the terminations and their design voltages or function then refer to this guide or our technical

support line, you can call 02381 290444 or you can text 07952269791 and we’ll get back to you as soon as we’re

available.

Siting the panel

Choose a suitable mounting position for the control unit. Mount the unit away from sources of extreme heat. Ensure the panel is

placed in a position where mechanical damage is unlikely and where it can be easily accessed for use and maintenance.

Fix the panel using the marked enclosure holes only. Take care not to damage the internal wiring or PCB of the unit when drilling.

Under no circumstances should wiring be routed behind the PCB of the control panel.

Control panel supply

All our control panels (except the KVM-SF) should be supplied via a fused spur connection unit. The fuse should be changed to one

that’s rated at 5amps.

KVM-SF ONLY if the panel is supplying the fans directly from the PCB then it should be supplied via a 16amp single phase isolator.

If the panel is controlling Inverters and only the output signals are being used then, as above, the panel should be supplied by a 5amp

fused spur.

intelligas.co.uk

INTELLIGAS

Gas safety & control systems intelligas.co.uk

Field wiring

All wiring from the supply and to the gas valve carries mains voltage (230v ac nominal). The current edition of the IEE Wiring

Regulations should be strictly adhered to, wiring and connections should be made by a suitably qualiﬁed electrician or competent

person.

The ﬁeld wiring voltage to the interlock inputs is reduced to 24 volts, do not connect mains to the air pressure switch terminals,

e-stop, analogue input/output 0-10v control, gas detector or ﬁre alarm terminals.

Please follow the ﬁrst ﬁx wiring schedule set out below:

1) Main supply 2 core + E 1.5mm (as per regulatory requirements)

2) Gas valve 2 core + E 1.5mm (as per regulatory requirements)

3) Pressure switches 2 core + E 1.5mm (YY type cable)

4) Fire alarm interlock (if req) 2 core + E 1.5mm (FP type cable)

5) Emergency stops 2 core + E 1.5mm (YY type cable)

6) Gas detection equipment, If ﬁtted, 3 core screened (CY type cable)

7) Gas pressure switch, if ﬁtted, 2 core + E 1.0mm (YY type cable)

8) 0-10v signal wiring, if ﬁtted, 2 core 1.0mm (CY type cable)

KVM SF Dip switch settings

On the fascia pcb there are 6 dip switches. Below is their function:

1. OFF (gas proving disabled) ON (gas proving enabled)

2. OFF (supply & extract fans used) ON (extract only)

3. OFF (CO2 detector not ﬁtted) ON (CO2 detector ﬁtted)

4. OFF (extractor sensed on spare input terminals) ON (extractor fan sensed on board current sensors)

5. OFF (supply sensed on spare input terminals) ON (supply fan sensed on board current sensors)

6. OFF (temp sensor ﬁtted in kitchen space) OFF (temp sensor ﬁtted in canopy)

INSTALLATION

GUIDE

KVM-SF

Where multiple supplies enter a control

panel, perhaps in a current sensing

interlock. It is preferable that each supply

is on the same phase. If this can’t be

achieved, then additional warning labels

should ﬁxed in a suitable location on the

control panel.

The advice given on these

instruction pages,

speciﬁcally to cable types

and ratings may change

depending on cable lengths

and installation conditions.

If you are not sure about

any of the cable types or

ratings then contact our

technical support team.

Electrical supply set up when using internal single phase speed controllers.

Gas valve output & Mains

supply to the panel. 1 x 16 amp

single phase for 230v fan output

or 3 amp if controlling invertors

remotely.

Single phase fan speed control

for fans up to 8 amps.

INSTALLATION

GUIDE

KVM-SF

INTELLIGAS

Gas safety & control systems intelligas.co.uk

Electrical supply set up when using remote 3 phase invertors.

Gas valve output & Mains

supply to the panel. 1 x 3 amp

single phase 230v.

Relay outputs for supply and

extract fan invertors enable

signal. 0-10v speed reference

for invertor speed control.

INSTALLATION

GUIDE

KVM-SF

INTELLIGAS

Gas safety & control systems intelligas.co.uk

Connect Air differential pressure switches here (supply and extract fans) when their use

has been selected on the dip switches on the fascia control board. (see dipswitch settings).

If gas proving is to be used then connect the Dungs gas pressure switch here. At

the switch, use terminal numbers 2 & 3. Link these terminal if gas proving is not to

be used.

A switched CO detector can be connected here. When the detectors relay

breaks these terminals the system will send all fans to full speed regardless of

whether its in on or in standby mode.

Fire alarm interlock is normally closed. This circuit should be broken to

put the system into ﬁre mode. This shuts off the gas and supply fans.

Extract fan action is programmable depending on authority

requirements. Link these terminals if not being used.

Connect an extra estop button or buttons here, create a closed loop

if more than one button is installed, link if not required.

INSTALLATION

GUIDE

KVM-SF

INTELLIGAS

Gas safety & control systems intelligas.co.uk

INTELLIGAS

Gas safety & control systems intelligas.co.uk

INSTALLATION

GUIDE

KVM - SF

Connect a CO2 sensor here. Turn on switch 3 on the fascia control panel, this will enable automatic co2 fan

speed control and gas shut off on high CO2 (4-4.5kppm) use 24v and gnd to power the sensor, connect the

output of the sensor (V CO2) to the “sig” terminal.

If required, a room temperature sensor can

be connected to these terminals, the

system will run the fans at full speed when

the set point (adjustment on the fascia

control panel) has been reached.

Use these terminals to control 3 phase invertor

drives. The relays will operate when the fans are

selected as on on the fascia. The 0 -10v signal will

rise and fall with the selected speed on the front of

the panel.

INTELLIGAS

Gas safety & control systems intelligas.co.uk

INSTALLATION

GUIDE

KVM - SF

Set the current sensors and minimum speed levels.

Set the fan current levels

using the min and max pots

on the PCB for each fan.

Once the settng is in range

then the green LED will

illuminate.

Set the minimum speed of

the fans using the pots near

the min and max selectors.

This allows you to

determine the minimum

ventilation level

Run the fans up and down

stopping at each increment

of speed to ensure that the

current sensor light

remains green. This will

prevent nuisance tripping.

24 hour Technical Support 02381 290444

Flow DirectionFlow Direction

On to appliances

or gas taps

Dungs gas pressure

switch set to 15 bar

Installation option 2

Unequal tee joint or centre

reduced down to 1/4” male nipple

to make directly into Dungs

gas pressure switch

To comply with gas regulations manual

isolation points, purge points and test

nipples may be required. This drawing is

for information only and the necessity of

the above items should be checked to

ensure compliance with the current

regulations.

INTELLIGAS

Gas safety & control systems intelligas.co.uk

Installation option 1

Alternatively, the gas pressure switch can

be made into the test point on the gas valve.

Ensure the downstream test point is used!

Intelligas gas proving system mechanical layout

INSTALLATION

GUIDE

KVM - SF

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