ESTechnical Reflow Oven Controller Manuel utilisateur

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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Table of Contents

Instructions for ﬁtting ESTechnical Reﬂow Oven Controller Full Upgrade Kit to T962A 1 .............

Installation procedure 1 ............................................................................................................

Reﬂow Controller Installation Troubleshooting 39 .....................................................................

ESTechnical Reﬂow Oven Controller Operating Instructions 40 ....................................................

Initial Set Up 40 .........................................................................................................................

Overview of Operation 40 .........................................................................................................

Initial Set Up for new PCB designs 40 .......................................................................................

Production of PCBs 41 ...............................................................................................................

Menu Layout & navigation 41 ...................................................................................................

Reﬂow Proﬁle Testing 41 ...........................................................................................................

Data Logging – ReﬂowViewer Software 44 ................................................................................

Operating Instructions 45 .........................................................................................................

Starting a reﬂow cycle 45 .........................................................................................................

Stopping a cycle 45 ...................................................................................................................

Saving an edited proﬁle 45 .......................................................................................................

Loading a saved reﬂow proﬁle 45 .............................................................................................

Editing the active proﬁle 45 ......................................................................................................

Fan Idle Speed Adjustment Procedure 45 .................................................................................

Proﬁle tuning tips 46 .................................................................................................................

Care and Maintenance 48 .........................................................................................................

Before every use 48 ..................................................................................................................

After every 50-100 reﬂow cycles 48 .........................................................................................

Packing list 48 ..............................................................................................................................

What you will need (not supplied): 49 ..........................................................................................

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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ESTechnical Reﬂow Oven Controller Full Upgrade Kit for

T962A

Reﬂow Controller hardware

www.estechnical.co.uk

[email protected]

Thank you for your purchase of ESTechnical products. If you have any questions or comments please

let us know, we are always keen to hear feedback about our products.

Instructions for ﬁtting ESTechnical Reﬂow Oven Controller Full Upgrade Kit to T962A

Packing List

What you will need (not supplied)

Installation procedure

Warning

IMPORTANT – mains electrical wiring is involved in the

installation of this controller, but no mains voltages are

connected directly to the controller. If you are in any doubt

please consult a qualiﬁed electrician.

Auto Reset Jumper

The ESTechnical reﬂow controller v4 PCB and onwards has a jumper

for enabling or disabling the auto-reset behaviour of the MCU. With

the jumper connecting the two pins it is possible to easily upload new

ﬁrmware to the controller via USB to serial connection from a

computer. With the jumper open, the MCU will not automatically

reset when the serial port is opened by a computer - this is more

convenient in normal operation and we suggest that you operate the

controller with the jumper open.

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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Unplug the power cable from the reﬂow oven.1.

Remove the drawer from the unit (pull forwards until it stops, then carefully undo the clips2.

(gently move the plastic levers) that keep the drawer in the runners, then slide the drawer out

from the runners. Set the drawer aside.

Drawer runner clip

Remove the screws that are under the front edge of the lid, there are two or three screws in the3.

drawer opening, keep these safe.

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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Front screws

Turn the unit around so you are looking at the back, remove the screws that hold the lid on the4.

case, keep these safe.

Rear Screws

Being very careful not to pull on any cables, carefully lift the back of the lid slightly, then gently5.

slide the lid forwards until it unhooks from the lower part of the oven. Lift the lid oﬀ the oven,

turn over and place it next to the bottom half of the oven.

Gently pick oﬀ the hot glue that's covering the connectors on the control board. A small pair of6.

pointed pliers is helpful here, only try to remove a small amount at a time.

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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Remove all the glue from screws and connectors

Disconnect all the cables that attach to the control board. Do not pull on cables, pull the7.

connectors apart gently and without twisting.

All connections unplugged

Completely remove the control board and display and set aside – these items are no longer8.

needed.

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Original controller and display removed

You should have the following cables unplugged - at this point, take a moment to familiarise9.

yourself with the wiring that is present. You need to be able to identify each of these cables in

order to proceed with the installation.

Low voltage AC power cable from the small transformer, has a plug that ﬁts onto two pins.

Small signal cable to the heater SSR, ﬁtted with two pin JST connector.

Mains cable that was used to supply the power for the oven cooling fan to the ESTechnical

Reﬂow Oven Controller, this has a three pin connector with only two terminals populated.

One cable that goes into the back of the oven, this is the oven cooling fan cable and has a

two pin connector ﬁtted.

2x thermocouples with colour coded crimp ferrules to indicate polarity.

Keypad ribbon cable.

One cable that goes to the two panel LEDs, this has a 4 pole JST connector.

One cable that goes to the small DC cooling fan, with a 2 pole JST connector.

Set aside the lid part of the oven for now.10.

Carefully un-crimp the tubes that hold the thermocouples using a pair of pliers. Gently pull out11.

the thermocouple.

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Thermocouple mounting tubes

Inspect the thermocouples and if necessary untwist the wires so that the wires only touch when12.

meeting the bead, the wires should not be twisted together leading to the tip. A small pair of

pliers is needed – be careful the thermocouple is fragile. This reduces the mass of the

thermocouple junction and improves the response time to temperature changes.

ESTechnical Reﬂow Oven Controller Full Upgrade Kit for T962A

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Thermocouple tip prepared for reﬁtting

Re-mount one thermocouple in the front mounting tube and position the tip 10-15mm above13.

the surface of the drawer (45-50mm above the inside of the oven with the drawer removed).

Set the thermocouple height

Gently crimp the tube with strong pliers to hold the thermocouple in place – do not crush the14.

thermocouple wires. The other thermocouple is not needed - keep this as a spare.

Reﬁtted thermocouple

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The Neutrik NAUSB-W panel passthrough connector has a reversible section, allowing the USB15.

connection to be either A or B on the outside of the panel. These are supplied with the USB A

connector on the outside, for the T962A this section needs to be reversed. Undo the two screws

and carefully pull the connector section out of the metal casting. Move the metal clip onto the

other end of the connector and reassemble, taking care to correctly orient the connector

section into the casting, do not over tighten the screws.

Reverse the central part of the NAUSB-W connector

Mark the centers of the connector mounting locations. Draw the outlines too if you are manually16.

making the cut outs.

Diagram 1 – Connector mounting locations

Mark connector locations.17.

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