Baso L62GB Bedienungsanleitung

Installation Instructions

Issue Date March 5, 2013

Part No. BASO-INS-L62GB, Rev. B www.baso.com

L62GB BASO® Safety Shutoff Device

Installation

IMPORTANT: Only qualified personnel should

install or service BASO® Gas Products. These

instructions are a guide for such personnel. Carefully

follow all instructions in this document and all

instructions for the appliance.

WARNING: Risk of Explosion or Fire.

Shut off the gas supply at the main manual shutoff

valve before installing or servicing the L62GB.

Failure to shut of the gas supply can result in the

release of gas during installation or servicing, which

can lead to an explosion or fire, and may result in

severe personal injury or death.

CAUTION: Risk of Electric Shock.

Disconnect power supply before making electrical

connections to avoid electric shock.

IMPORTANT: Make all gas installations in

accordance with applicable local, national, and

regional regulations.

To install the L62GB.

1. Turn off power to the appliance.

2. Turn off gas at the main manual shutoff valve

adjacent to the appliance.

3. Remove the L62GB cover by loosening the screw

on the front of the device.

IMPORTANT: Do not loosen or tighten the

brass hex nut that fastens the brass terminal

bushing to the plastic switch housing. The machined

flats on the terminal bushing must be parallel to the

flats on the switch housing. If not, the switch power

unit may distort and cause the safety switch to fail.

4. Mount the L62GB in any convenient position using

the mounting holes in the back of the case.

5. Push the circuit wires through the conduit opening

on the side of the device, strip the ends of the

wires just enough to put the bare wire under the

terminal screws, and attach them to the two wire

terminals.

WARNING: Risk of Explosion or Fire.

Do not attach both wires to one terminal on the

L62GB. Doing so bypasses and eliminates all safety

features provided by the L62GB, can lead to an

explosion or fire, and may result in severe personal

injury or death.

WARNING: Risk of Explosion or Fire.

Verify that this device is wired in series electrically

with thermostats and other appliance operating

controls. Wiring the device in parallel with such

controls will defeat the safety features of this device

and may result in severe personal injury or death.

6. Replace the cover. Do not loosen or tighten the

brass hex nut.

7. Connect the pilot burner orifice fitting to the pilot

outlet on the L62GB with 1/4 in. outside diameter

tubing, and connect the pilot gas inlet with the gas

manifold upstream from the automatic valve.

Note: The pilot line connection is bidirectional as

indicated by the arrows pointing in either direction.

This provides the option of connecting the pilot gas

inlet and outlet in either position.

8. Attach the thermocouple securely to the pilot

burner, and screw the terminal end to the BASO®

power unit terminal on the L62GB. Make sure that

this connection is clean. Tighten the thermocouple

lead nut finger tight plus a maximum of 1/8 turn.

Do not overtighten.

2 L62GB BASO Safety Shutoff Device Installation Instructions

Red Lever

Transformer

Power Source

Thermostat

"X”

Main Manual

Shutoff Valve

(”A” Valve)

L62GB BASO

Safety Shutoff Device

Pilot Valve

(“B” Valve)

“X” indicates possible

locations for other controls.

Thermocouple

Lead

Pilot Gas

Outlet

Power Unit

Terminal

76.2 mm (3 in.)

Sediment

Trap

Pilot Gas

Inlet

Basotrol

Valve

Figure 1: Typical L62GB Installation

Setup and Adjustments

Checkout

WARNING: Risk of Explosion or Fire.

Verify that there are no gas leaks by testing with

appropriate equipment. Never use a match or lighter

to test for the presence of gas. Failure to test

properly can lead to an explosion or fire and may

result in severe personal injury or death.

Make sure all components are functioning properly by

performing the following test:

1. Test all joints and connections for leaks with a

soap solution.

2. Set the thermostat to the lowest setting.

3. Close the main manual shutoff valve (Avalve) and

the pilot valve (Bvalve [see Figure 1]) and wait at

least 5 minutes for unburned gas to escape from

the appliance.

4. Reopen the Bvalve, push down the red lever and

light the pilot burner. Continue to hold down the

red lever for approximately 30 seconds.

5. Open the Avalve. The main burner ignites from

the pilot burner when the thermostat calls for heat.

6. Disconnect the thermocouple from the L62GB.

The main valve should close immediately. If it

does not close, check for wiring errors. Reconnect

the thermocouple to the L62GB when it is

operating correctly.

L62GB BASO Safety Shutoff Device Installation Instructions 3

7. Check the millivoltage output of the thermocouple

and milliampere dropout range at the BASO power

unit terminal to see that they meet the values in

Table 1 and Table 2. Step-by-step procedures for

these checks are included with the Y99AB BASO

Test Kit.

8. Relight the pilot.

9. Observe at least three complete operating cycles

to make sure that all components are functioning

correctly.

10. Reset the thermostat to a normal temperature

setting before leaving the installation.

Repairs and Replacement

Field repairs must not be made to the L62GB safety

shutoff device. If the thermocouple meets the output

listed in Table 1 and the valve does not function,

replace the entire device. Any attempt to repair this

assembly voids the manufacturer’s warranty. For a

replacement safety shutoff device, contact the nearest

BASO Gas Productsdistributor.

Check the millivoltage output of the thermocouple and

milliampere dropout range at the BASO power unit

terminal to see that they meet the values in Table 1

and Table 2. If the readings do not meet these values,

replace the thermocouple and/or the safety shutoff

device.

Table 1: Thermocouple Output

Thermocouple mV Range

Lead Type Turn

Down

Normal Not Less

Than

K15 4 mV 20-28 15

K16 4 mV 25-35 17

K19 4 mV 25-35 17

Table 2: L62GB Dropout Range

mA Range of Power Unit Assembly

Low High

100 300

Pilot Servicing

If pilot flame problems occur, check the following:

•If the pilot flame burns yellow, it may be due to dirt

or lint covering the lower portion of the pilot

burner. Remove dirt and lint using a soft brush or

a vacuum cleaner.

•A flame approximately 0.5 in. (12.7 mm) high must

surround the thermocouple tip (see Figure 2).

•Because this is an electrical connection, the

thermocouple lead connection to the BASO power

unit must be clean and free of grease.

Approximatel

1/2 in. (12.7 mm)

Figure 2: Flame Position

Replacement Procedure

WARNING: Risk of Explosion or Fire.

Shut off the gas supply at the main manual shutoff

valve before installing or servicing the L62GB.

Failure to shut off the gas supply can result in the

release of gas during installation or servicing, which

can lead to an explosion or fire, and may result in

severe personal injury or death.

CAUTION: Risk of Electrical Shock.

Disconnect power supply before making electrical

connections to avoid electrical shock.

WARNING: Risk of Explosion, Fire, or

Electric Shock. Label all wires before they are

disconnected when replacing the L62GB. Wiring

errors can cause improper or dangerous operation

and may result in an electric shock, fire, or explosion

leading to severe personal injury or death.

When necessary, replace the safety shutoff device as

follows:

1. Turn off power to the appliance.

2. Close the main manual shutoff valve and the pilot

valve.

3. Disconnect the thermocouple lead from the safety

shutoff device.

4. Remove the cover.

4 L62GB BASO Safety Shutoff Device Installation Instructions

5. Disconnect and label the wires from the two wire

terminals and remove the device from the

appliance.

6. Remove the new L62GB cover by loosening the

screw on the front of the device.

Note: The L62GB may be mounted in any position

by the mounting holes in the back of the case or by

using the universal mounting plate supplied with the

device.

7. Attach the universal mounting plate to the device

when required (see Figure 3). Secure the

mounting plate to the switch case with the sheet

metal screws provided. The mounting plate is not

required for exact replacements.

Universal

Mounting Plate

BASO

Power Unit

Terminal

Wire Terminals

L62GB-3

Cover

Figure 3: L62GB-3 Mounting

8. Mount the L62GB-3 using the holes in the

universal mounting plate that match the mounting

holes for the device being replaced (see Table 3).

Table 3: Mounting Guide

Switch Being Replaced Use Holes Numbered

PENN® (BASO) L62EA 1, 2, 3

PENN (BASO) L62GB-1 Plate Not Required

Honeywell® C591A 4, 5

ITT/General A100G653 4, 5

Note: Remove the L62GB cover for access to Holes 3

and 5.

9. Refer to Steps 5 through 8 in the Installation

section complete the installation.

10. Perform the Checkout procedure before leaving

the installation.

L62GB BASO Safety Shutoff Device Installation Instructions 5

Technical Specifications

Product L62GB BASO Safety Shutoff Device

100% Shutoff Yes

Conduit Opening 2 (1 plugged)

24/25 VAC 125 VAC 250 VAC

Switch Contacts

Electrical Specifications * 8 A 4 A

Ambient Temperature

Range -40 to 175°F (-40 to 79°C)

Reset Manual

Switch Action SPST

Type of Gas Natural, Liquefied Petroleum (LP), manufactured, mixed, or LP gas-air mixtures

Rated Inlet Pressure 0.5 psi (35 mbar)

Packaging Bulk pack supplied to original equipment manufacturer (individual pack optional). L62GB-3

supplied as individual pack only.

Bulk Pack Quantity 30

Weight 32 lb (14.5 kg)

Agency Listings CSA Certificate Number 229521-1656085

Specification Standards ANSI Standard Z21.20

CAN1-6.4

* Switch can be used on 24/25 VAC installation.

Performance specifications are nominal and conform to acceptable industry standards. All agency certification of BASO products is performed

under dry and controlled indoor environmental conditions. Use of BASO products beyond these conditions is not recommended and may void

the warranty. Product must be protected if exposed to water (dripping, spraying, rain, etc.) or other harsh environments. The original

equipment manufacturer or end user is responsible for the correct application of BASO products. Consult BASO Gas Products LLC for

questionable applications. BASO Gas Products LLC shall not be liable for damages or product malfunctions resulting from misapplication or

misuse of its products.

Refer to the L61, L62 Series BASO Safety Shutoff Device Product Bulletin (BASO-PB-L61/L62) for necessary information on operating and

performance specifications of this product.

1007 South 12th Street

PO Box 170

Watertown, WI 53094 www.baso.com

1-877-227-6427 (1-877-BASOGAS) Published in U.S.A.

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