SRA SRA-250 Manuale utente

SRA-250 Hydrogen Torch
OWNER’S MANUAL
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SRA Shops
24 Walpole Park South, Suite #10, Walpole, MA 02081
1-800-545-4570 1-508-668-6044
www.sra-shops.com [email protected]
Machine Model:
Serial Number:
Year of Manufacture:
Date of Delivery:

3SRA-250 Hydrogen Torch Table Of Contents
Table of Contents
Overview...........................................................................................................5
Features.....................................................................................................5
Package Contents.......................................................................................5
Common Applications.................................................................................5
Getting to know the SRA-250..........................................................................6
Critical Operation Notes..................................................................................8
Precautionary Statements...........................................................................8
Safety Guidelines........................................................................................8
Using Your Hydrogen Torch...........................................................................9
Filling the Booster Tank..............................................................................9
Filling the Electrolyte Tank........................................................................10
Attaching the Torch Hose .........................................................................11
Choosing a Burner Tip..............................................................................11
Lighting the Torch.....................................................................................12
Shutdown Procedure................................................................................13
Routine Maintenance....................................................................................14
Daily Procedures......................................................................................15
Weekly Procedures...................................................................................15
Half-Annual Procedures............................................................................16
Yearly Procedures....................................................................................16
Notices.............................................................................................................17
Warranty..................................................................................................17
Shipping...................................................................................................17
Storage.....................................................................................................17
Maintenance.............................................................................................17
SRA Repair Services..................................................................................17
Disposal of Electrolyte...............................................................................17
Disposal of Booster Flux...........................................................................17

4SRA-250 Hydrogen Torch Table of Contents - Continued
Troubleshooting.............................................................................................18
No Power to Unit .....................................................................................18
Erratic Sensor Lights.................................................................................18
Little to no gas out of torch (Includes Weak Flame).....................................19
ReplacementParts.........................................................................................20
Exploded View Diagram............................................................................20
Numbered Parts List ................................................................................21
Block Diagrams..............................................................................................22
GasCircuit................................................................................................22
Wiring Diagram........................................................................................23
De-Oxidizer Chart..........................................................................................24
Technical Support..........................................................................................25
SRA Resource Center................................................................................25
SRA Solder Lab - YouTube Channel............................................................25
Contact SRA Solder Tech Support..............................................................25

5SRA-250 Hydrogen Torch Overview
Features:
•
• Uses hypodermic needle as the torch tip
• Burns hot up to 6,000°F depending on booster used
• Breaks down distilled water for fuel
•
• No dangerous gas tanks and costly gas lines
• Economical and easy to use
• Works with any metal
• Perfect for space-constrained areas
• Electronic indicator lights for distilled water level
• Electrolyte only needs to be changed once a year
•
• Includes everything you need to get started
• 1-Year Limited Warranty
Package Contents:
• SRA-250 Unit
• Booster Tank
• 1 Torch with 4-ft hose
• Power Cable
• Electrolyte Solution - C (Premixed or Pellet form)
• SRA Booster Flux (Cannot be shipped by air)
• Large Yellow Funnel (For Electrolyte)
• Small Clear Funnel (For Booster Flux)
• Set of Tips (25 in 5 sizes)
• Owner’s Manual
Common Applications:
OVERVIEW
• Glass Processing
• Brazing
• Transformer Soldering
• Wire to Wire
• Thermocouples
• Quartz
• Electronic Boards
• Dental Appliances
• Jewelry
• Medical Devices
• Wax Castings
• Electromechanical Devices

6SRA-250 Hydrogen Torch Getting to Know the SRA-250
GETTING TO KNOW THE SRA-250
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Burner Tips (5 Sizes)
Power Indicator LED
Check Valve Cap
Torch Stand (Sold Separately)
Torch Hose
Torch Hose 1/8” Fitting
Booster Block Hose Fitting 1/8”
Booster Tank Funnel (Clear)
Electrolyte Tank Funnel (Yellow)
Carrying Handle
3-Position Switch
Safety Cap
Electrolyte Tank Inlet
Power Control Knob
MINIMUM LED
MAXIMUM LED
Booster Tank
Booster Knob
Booster Block w/ 1/8” Fitting
Torch

7SRA-250 Hydrogen Torch
SPECIFICATIONS
11.6”
(29.5 cm)
2.6”
(6.6 cm)
11.2”
(28.4 cm)
6.7”
(17 cm)
8.5”
(21.6 cm)
Model
Input Voltage
Max Power
Dimensions
Weight
H2/O2 Gas Production
Electrolyte Consumption
Alcohol Consumption
Booster Tank Capacity
SRA-250 (Single Torch Unit)
110V AC / 60 Hz (220V Available)
280 Watts
11 (w) x 9.6 (d) x 11 (h) Inches
31 Lbs (14 Kg)
45 Lt/h
22 cc/h
9 cc/h
153 cc

8SRA-250 Hydrogen Torch Critical Operation Notes
Before setting up, operating, or maintaining this machine, please read the entire
contents of this manual carefully. Make sure you understand the safety rules and
hazards found throughout.
bodily harm if the operator does not follow the recommend safety rules.
Keep the machine and its accessories far away from children.
PRECAUTIONARY STATEMENTS
• NEVER
• NEVER
• NEVER
on with the power level lowered when removing tips.
• NEVER
the tip of the torch. Give the 250 a few minutes to warm up.
• NEVER turn on the machine on when the booster tank is EMPTY.
• NEVER leave machine on while torch is not lit.
• NEVER allow gas to enter the environment for more than 15-20 mins. It is best
• NEVER
• NEVER
Safety Guidelines

9SRA-250 Hydrogen Torch Filling the Booster Tank
The SRA-250 is shipped with all tanks empty for safety compliance. A separately
shipped box contains the electrolyte solution.
Filling the Booster Tank:
Please note: the booster tank is wrapped separately from the machine to avoid
damage in shipping. When shipped by ground, this unit comes with a pint of SRA
Booster Flux, which is a premixed de-oxidizing solution of methyl-alcohol and boric
-
dizing solution in the booster tank. Please refer to page 24 for more information.
1. Locate booster tank and remove all
the protective packaging.
2. Carefully pour the booster solution
into the outer section of the booster
tank using the clear funnel provided.
DO NOT GET FLUID IN CENTER.
3. Screw the booster tank back in place
using the booster knob. To prevent
cross-threading, turn the booster
knob backwards until you feel the
threads catch on the booster tank.
Once engaged, hand-tighten.
4.
tank every 4 hours of running time.
Never run the machine without the
correct amount of methanol in the
booster tank. Empty the booster tank
every 12-16 hours of running time.
Wash the tank in hot water and dry
solution.
USING YOUR HYDROGEN TORCH

10SRA-250 Hydrogen Torch Filling the Water Tank
1. Check that the 3-position switch is in
the center “OFF” position and connect
the power cable to the appropriate
110V or 220V electrical outlet.
2.
denoted by an equals sign (=). The
green LED will light indicating power is
present and the yellow MINIMUM LED
will light indicating the water tank level
is low.
3. Locate and unscrew the chrome
Safety Cap by turning counter-
clockwise.
4. Insert the yellow funnel provided into
the tank opening. Watch the min/
max indicator lights and start pour-
ing the Electrolyte solution into the
water tank. When the MINIMUM light
soon as the RED light comes on.
5. Screw the Safety Cap back on and
hand-tighten. Flip the 3-position
switch to the center “OFF” position
and set the power control knob to the
zero position for safety.
Filling the Electrolyte Tank
CAUTION: Be careful not to spill the Electrolyte as it is very corrosive. Avoid contact
with eyes and skin. If in contact with skin, wash immediately with water to avoid
caustic burns. If spilled, solution can be neutralized with vinegar.
Indice

















