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Honeywell
V4295, V8295 SERIES
SOLENOID GAS VALVES
PRODUCT HANDBOOK
APPLICATION
These series solenoid gas valves are used for control and
regulation of gaseous fuels in gas power burners, atmospheric
gas boilers, melting furnaces, incinerators and other gas
consuming appliances.
.
CONTENTS
APPLICATION ..................................................................... 1 GENERAL ............................................................................. 2 DESCRIPTION ..................................................................... 2 FEATURES ........................................................................... 2 ELECTRICAL CONNECTIONS ......................................... 2 MODEL CHART ................................................................... 3 TECHNICAL ......................................................................... 4 Subject to change without notice. All rights reserved.
SPECIFICATIONS ............................................................... 4 POWER CONSUMPTION (A) ............................................ 5 PERFORMANCE CHARACTERISTICS .......................... 6 CAPACITY: ........................................................................... 7 DIMENSIONS ....................................................................... 8 INSTALLATION ................................................................... 9 INSTRUCTIONS ELECTRICAL CONNECTIONS ........ 13 CONSTRUCTION AND WORKING PRINCIPLES ....... 14 STANDARDS AND APPROVALS .................................. 15 STANDARDS ..................................................................... 15 REPLACEMENT PARTS AND ACCESSORIES .......... 16 EN2R9105 1602RA -NE
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Honeywell
GENERAL

DESCRIPTION


V4295/V8295 Series Gas Valve
The V4295/8295 series solenoid valves offer a series of
functionalities:
 Gas valves, Normally Closed, consisting of a direct
ON/OFF operator for opening/ closing of the valve.
 POC switch optional
Relief valves. Normally Opened, consisting of direct electric
ON/OFF operator for opening/closing of the valve
The V4295/8295 series solenoid valves series gas valves
cover a wide range of pipe sizes from 3/8” up to and
including 3”.
V4295A,S valves are used with 110/120 Vac controllers
V8295A,S are used with 24 Vac controllers.
ELECTRICAL CONNECTIONS


Supply voltages 24 V 50/60 Hz, 110/120 V 50/60 Hz.
Electrical enclosure according to NEMA1.
The V4295/8295 series solenoid valves are suitable for the
control of gaseous fluids in gas consuming appliances
according to international standards. The V4295/8295 series
solenoid valves cover a wide range of pipe sizes and have
treaded connections from 3/8" up to and including 3".
The V4295/8295 series solenoid valves The V4295 series
solenoid valves have a maximum supply pressure of 5 psi.
V8295 series solenoid valves have a maximum supply
pressure of 2 psi. The V4295/8295 series solenoid valves
have test points for inlet and outlet gas pressure on each side
of the valve. The V4295/8295 series solenoid valves have an
inlet screen for protecting the valve against ingress of dirt.
FEATURES














Solenoid valves for control of gas consuming appliances.
Models available in normally closed models (A type) and
normally open (S type) configurations.
The V4295/8295A series solenoid valves (for safety shut
off applications) have a spring loaded valve disc, closed
when de--energized.
The V4295/8295 S series solenoid valves (double block
and bleed) have a spring loaded valve disc, opened when
de--energized.
Incorporating time proven design concepts assuring
reliability.
All V4295/8295 series solenoid valves have an internal
screen.
Sizes from 3/4" up to 3” have two 1/4" connections for
inlet pressure at each side of the gas valve.
Sizes from 3/8” &1/2” have two 1/8" connections for inlet
pressure at each side of the gas valve.
The V4295/8295 series solenoid valves have a wrench
boss as well on inlet side as on outlet side for pipe fitting
incorporated in the valve housing.
The V4295/8295 series solenoid valves may be
assembled on the pipe line with in plus or minus 90
degrees of the vertical axel.
The V4295/8295 series solenoid valves have a field
replaceable coil unit. (coil plus box)
The V4295/8295 A & S series solenoid valves are
equipped with or without a POC switch.
TheV4295/8295 series solenoid valves have coils
turnable over 360°.
Connection box suitable for conduit wiring and terminal
block on the circuit board
EN2R9105 1602RA-NE
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Honeywell
MODEL CHART
Table1: Models available
Maximum Pressure
Voltage/Frequency
psi
mbar
Pipe size (inch)
Thread
type
V4295A (N.C.)
110/120 Vac, 50/60 Hz
5.0
345
3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3
NPT
V4295S (N.O.)
110/120 Vac, 50/60 Hz
2.0
140
3/4, 1, 1-1/4
NPT
V8295A (N.C.)
24 Vac, 50/60 Hz
2.0
140
3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, 2
NPT
V8295S (N.O.)
24 Vac, 50/60 Hz
2.0
140
3/4, 1, 1-1/4
NPT
Model
EN2R9105 1602RA-NE
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Honeywell
TECHNICAL
SPECIFICATIONS
Models
V8295A types
3/8” – 2” pipe sizes: 2 psi
V8295S types:
3/4" – 1 1/4” pipe sizes: 2 psi
V4295A types
3/8” – 3” pipe sizes: 5 psi
V4295S types:
3/4" – 1 1/4” pipe sizes: 2 psi
Pipe Connections
Inlet and outlet 3/8" up to 2.5" NPT internal parallel pipe
thread according ASME/ANSI B1.20.1.
Torsion and bending stress
Pipe connections meet ANSI Z21.21, sections 2.3.2 and
2.3.3.
Ambient temperature rating
-5 °F ... 145 °F (-15 °C ... 63 °C)
Maximum fluid temperature rating
-5 °F ... 145 °F (-15 °C ... 63 °C)
Supply voltage
24 V, 50/60 Hz 1)*
110/120 V, 50/60 Hz
The applicable voltage is led to the solenoid coil via a
rectified circuit.
1)*: only for 3/8” up to 2”
Dimensions
See page 8
Electrical connection
Wiring on terminal block on circuit. Box suitable for conduit
wring.
Coil insulation solenoid valves
Insulation material according class F
Enclosure
NEMA 1
Capacity
See page 7
Maximum operating pressure
Inlet
V4295
V8295
Maximum operating pressure (psi)
5
2
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Honeywell
POWER CONSUMPTION (A)
Model
number
Vx295
Vx295
Vx295
Vx295
Vx295
Vx295
Vx295
Vx295
Vx295
24Volt,
50/60Hz
nominal
3/8"
1/2"
3/4"
1"
1 1/4"
1 1/2"
2"
2 1/2"
3"
24 Volt,
50/60Hz
110% of
nominal
t.b.d
t.b.d
t.b.d
t.b.d
1.93
1.93
2.50
t.b.d
t.b.d
t.b.d
t.b.d
t.b.d.
t.b.d
1.75
1.75
2.27
t.b.d
t.b.d
110 Volt,
50/60Hz
nominal
110 Volt,
50/60Hz
110% of
nominal
t.b.d
t.b.d
0.21
0.21
0.37
0.37
0.50
t.b.d
t.b.d
t.b.d
t.b.d
0.19
0.19
0.34
0.34
0.46
t.b.d
t.b.d
POWER CONSUMPTION Version S – 2 psi
Model
24Volt,
24 Volt,
24 Volt
number 50/60Hz 50/60Hz (dc),
nominal 110% of nominala)
nominal (b)
24 Volt
(dc),
110% of
nominal
110
Volt,
50/60Hz
nominal
Vx295
21
14
16
19
17
110
Volt,
50/60Hz
110% of
nominal
17
120
Volt,
50/60Hz
nominal
120 Volt,
50/60Hz
nominal
t.b.d
t.b.d
0.21
0.21
0.37
0.37
0.50
t.b.d
t.b.d
120 Volt,
50/60Hz
110% of
nominal
t.b.d
t.b.d
0.23
0.23
0.41
0.41
0.55
t.b.d
t.b.d
120 Volt,
50/60Hz
110% of
nominal
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Honeywell
PERFORMANCE CHARACTERISTICS
Value size
3/8"
1/2"
3/4"
1"
1 1/4"
1 1/2"
2"
2 1/2"
3"
Test pressure 1 PSI
(mbar)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
0.09 (6)
Test pressure 2 PSI
(mbar)
7.5 (540)
7.5 (540)
7.5 (540)
7.5 (540)
3 (210) (24V) or 7.5 (540)
3 (210) (24V) or 7.5 (540)
3 (210) (24V) or 7.5 (540)
7.5 (540)
7.5 (540)
Maximum allowable
leakage rate
Internal leakage
(cm3/h)
40
40
40
60
60
60
60
60
60
External leakage
(cm3/h)
40
40
40
60
60
60
60
60
60
Opening time
Less than 1 second
Closing time
Less than 1 second
Maximum working cycles/minute
S versions:
20
3/8”– 1”
20
1 1/4” – 3”
1
Duty cycle
The Coils are suitable for permanent energization.
Operational voltage range
The gas valve will function satisfactory between 85% and 110% of the rated voltage.
Rated voltage:
24 V, 50/60 Hz
110/120 V, 50/60 Hz
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Honeywell
CAPACITY:
Table 2. Capacity in CFH at Pressure Drop of 1-Inch Water Column sp. gr. = 0.64 (for pressure drop 2.5mbar - air)
Vx295A (N.C.)
Vx295A (N.C.)
[CFH
]
m3/h
Vx295S (N.O.)
5 psi
Vx295S (N.O.) m3/h
* V4295A only
3/8”
1/2”
3/4"
1“
1 1/4”
1 1/2”
2”
2 1/2” *
3“ *
221
282
653
737
1,699
2,079
2,944
4,158
4,899
5
6.4
14.8
16.7
38.5
47.1
66.7
94.2
111
350
420
1,100
8
9.1
24.9
Imperial units
Metric units
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Honeywell
DIMENSIONS
Fig. 3 dimensions
Table 4. Normally Closed (See Fig. 3).
Pipe size
3/8 inch NPT
1/2 inch NPT
3/4 inch NPT
1 inch NPT
1-1/4 in. NPT
1-1/2 in. NPT
2 inch NPT
2-1/2 in. NPT
3 inch NPT
A (inch)
2-27/32
2-77/32
3-13/32
3-13/32
5-7/8
5-7/8
6-11/16
9-1/2
9-1/2
B (inch)
C (inch)
4-3/4
4-3/4
6-19/32
6-19/32
8-9/16
8-9/16
9-3/16
12-3/4
12-3/4
D (inch)
2-5/32
2-5/32
2-15/32
2-15/32
3-11/32
3-11/32
3-3/4
5-1/8
5-1/8
E (inch) (both sides)
3-7/8
3-7/8
4-7/32
4-7/32
5-3/32
5-3/32
5-1/2
6-7/8
6-7/8
2-1/16
2-1/16
2-23/32
2-23/32
4-11/32
4-11/32
5-5/16
7-7/8
7-7/8
Weight (lbs)
2.5
2.5
4.0
4.5
12.8
12.8
14.0
28.5
31.0
Table 5. Normally Opened (See Fig. 4).
Pipe size
3/4 inch NPT
1 inch NPT
1-1/4 in. NPT
A (inch)
3-13/32
3-13/32
5-7/8
B (inch)
5-25/32
5-25/32
8-3/4
C (inch)
2-5/32
2-15/32
3-11/32
D (inch)
3-7/8
4-7/32
5-3/32
E (inch) (both sides)
2-23/32
2-23/32
4-11/32
Weight (lbs)
4.0
4.5
12.8
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Honeywell
INSTALLATION
When installing this product...
1.
2.
3.
4.
Read this instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
Check the rating given in the instructions and on the
product to make sure the product is suitable for your
application.
Installer must be a trained, experienced, flame safeguard control technician.
After installation is complete, check out product operation as provided in these instructions
CAUTION
1.
2.
3.
Turn off gas supply before starting installation.
Disconnect power supply before beginning installation to
prevent electrical shock and equipment damage.
Do not remove seal over valve inlet or outlet until ready to
connect piping.
Prepare piping and install valve (Fig. 5)
1.
2.
3.
4.
5.
6.
Fig.5. Mounting positions
Use new, properly reamed pipe which is free from chips.
Do not thread pipe too far.
Apply good quality pipe dope resistant to the action of LP
gas, putting a moderate amount on the male threads only.
If pipe dope lodges on the valve seat, it will prevent proper
closure.
Install valve in a horizontal pipe line, (refer to Fig. 5 for
mounting position) with the gas flow matching the
direction indicated by the arrow on the casting.
Apply a parallel jaw wrench only to the wrench flats of the
valve body, next to the pipe being inserted. A wrench
applied to the valve body itself or to the end farthest from
the pipe being inserted may distort the casting, resulting in
malfunction on the gas valve.
The gas flow must be in the same direction as the arrow
on the body of the valve.
7.
8.
Make electrical connections as illustrated in the wiring
diagrams; see Fig. 6.
Turn on main gas and with a soap solution, check valve
installation for leaks.
WIRING
1.
2.
3.
4.
5.
WARNING
If the flow is not in the same direction of arrow, valve may not
shut off.
6.
7.
Disconnect power supply before making wiring
connections to prevent electrical shock and equipment
dam- age.
Installation and wiring must be in conformance with
National Electrical Code ANSI/NFPA 70, local codes and
regulations.
For supply connections use moisture-resistance No. 14
wire suitable for at least 194ºF (90ºC).
For high temperature installations, use moisture resistant
No. 14 wire selected for a temperature rating above the
maximum operating temperature.
Check the power supply circuit. The voltage and
frequency must match those of the valve.
Refer to Fig. 6 for typical V4295A,S field wiring with
RM7800 (typical) Primary Safety Control. Refer to Fig. 7
for typical V8295A,S field wiring with Primary Safety
Control. Follow the burner manufacturer’s wiring diagram,
when provided. Refer to burner controller (primary safety
control) wiring diagram for specific wiring terminal
designations.
Make wiring connections at the electrical terminations
provided in the wiring compartment of the valve.
EN2R9105 1602RA-NE
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Honeywell
CHECKOUT AND TROUBLESHOOTING
WARNING
Do not allow fuel to accumulate in the combustion chamber. If
fuel is allowed to enter the chamber for longer than a few
seconds without igniting, an explosive mixture could result.
CAUTION
1.
2.
Do not put the system into service until you have
satisfactorily completed all applicable tests described in
the Checkout section of the instructions for the flame
safeguard control and any other test required by the
burner manufacturer.
Close all manual fuel shut off valves as soon as trouble
occurs.
CHECKOUT
1.
Fig.6. Wiring V4295A, S.
2.
3.
4.
Check the performance of the valve by measuring the
pressures at the inlet and outlet pressure taps. The
pressure reading at the outlet tap may be slightly higher
than a downstream measurement due to dynamic gas
flow effects. The measurement at the outlet tap is for
reference only.
Shut off gas supply to valve and make sure valve is
closed when setting up pressure measuring equipment.
Set thermostat or controller to energize the valve and
check final outlet pressure.
Start the system and observe its operation through at
least one complete cycle to ensure the valve functions as
described in the section “Operation” on page 6.
Valve Leak Test (Fig.8)
This is a test for checking the closure tightness of the gas
safety shutoff valve. It should be performed only by trained,
experienced flame safeguard control technicians during the
initial startup of the burner system or whenever the valve is
replaced (see Service Information section). It is recommended
that this test also be included in the scheduled inspection and
maintenance procedures.
Fig.7. Wiring V8295A, S.
OPERATION
1.
De-energize the control system to make sure no power
goes to the valve (C, Fig. 8).
2. Close the upstream manual gas cock (A).
3. Make sure the manual test petcock (F) is closed in the
leak test tap assembly (D).
4. Remove the leak test tap plug and connect the test
apparatus to the leak test tap (D).
5. Close the downstream manual gas cock (E).
6. Open the upstream manual gas cock (A).
7. Run the V4/8295A Valve to its open position (through the
safety system); then immediately de-energize the system to close the V4/8295A Valve.
8. Immerse a 1/4 inch (6 mm) tube vertically 1/2 inch (13
mm) into a jar of water.
9. Slowly open the manual test petcock (F).
10. When the rate of bubbles coming through the water
stabilizes, count the number of bubbles appearing during
a ten-second period. Each bubble appearing represents a
flow rate of 0.001 cfh.
The V4295A and V8295A Normally Closed series gas valves
are Class B fail safe shut off valves. The valve is opened by
energizing the direct ON/OFF operator. The direct ON/OFF
operator consists of a coil and stop sleeve assembly. Inside
the stop sleeve assembly is a plunger which is able to move
up and down, thus opening or closing the valve. The plunger
glides on two anti-friction bearings. A strainer, made of AISI
303 stainless steel, is incorporated into the valve.
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Honeywell
IMPORTANT
To meet U.S. requirements, make sure leakage does not
exceed the rates in Table 6.
Table 6. Valve allowable leakage rate.
V4295A/V8295A
Pipe Size (in)
Medium
3/8” - 1/2"
0.64 gas
Allowable
Maximum Number of Bubbles in 10 Minimum Number of Seconds for
Leakage SCCH*
Seconds
10 Bubbles
294
7
13
3/4" - 1”
1.57 LP
0.64 gas
188
301
4
7
20.4
12.7
1.57 LP
192
5
19.9
1 1/4" - 1 1/2"
0.64 gas
532
13
7.2
1.57 LP
341
8
11.2
2”
0.64 gas
578
15
6.6
1.57 LP
370
9
10.3
2 1/2"
0.64 gas
752
19
5.1
1.57 LP
481
12
8
3”
0.64 gas
925
24
4.1
1.57 LP
592
15
6.5
* Based on air at standard conditions, test pressures provided by ANSI Z21.21.
Section 2.42 and a maximum of 235 cc/h per inch of seal-off diameter (not pipe size).
2.
3.
4.
5.
6.
7.
8.
Close the manual test petcock (F), remove the test
apparatus, and close the leak test tap (D).
Make sure the downstream manual gas cock (E) is
Open the upstream manual gas cock (A) and energize the
V4/8295A Valve through the safety system.
Test with rich soap and water solution to make sure there
is no leak at the leak test tap (D) or any pipe
adapter/valve mating surfaces.
De-energize the V4/8295A Valve (C).
Open the downstream manual gas cock (E).
Restore the system to normal operation. If two safety
shutoff valves are used, check each valve separately for
closure tightness.
TROUBLESHOOTING
CAUTION
Use utmost care during troubleshooting. Line voltage is
present at the actuator for V4295A,S and present in controller
circuits. Low voltage (24 Vac) is present at the actuator for
V8295A,S and present in controller circuits.
IMPORTANT
Do not assume that the valve must be replaced until all other
sources of trouble have been eliminated
NOTE: For international leak test requirements, contact the
appropriate approval agency.
1.
After the Test
1.
If the valve will not open when the thermostat or controller
is calling for heat:
a. Check that there is voltage at the valve actuator lead
wires or terminal block.
Close the upstream manual gas cock (A).
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Honeywell
CAUTION
SERVICE INFORMATION
Line voltage (120 Vac) should be present when the primary
safety control energizes the V4295A,S valve actuator. 24 Vac
should be present when the primary safety control energizes
the V8295A,S valve actuator.
CAUTION
1.
Only qualified service technicians should attempt to
service or repair flame safeguard control and burner.
2.
Line voltage is present in the electrical circuits to the
valve. Open the master switch before replacing the valve.
b.
2.
If there is no voltage at the actuator, first ensure line
voltage power is connected to the master switch, the
master switch is closed and overload protection
(circuit breaker, fuse or similar device) has not
opened the power line.
c. If there is still no voltage at the actuator, make sure
all appropriate contacts in the thermostat (or
controller), limit(s) and flame safeguard control are
closed. If one or more are open, determine the
cause(s) and correct condition(s) before proceeding.
d. If there is proper voltage at the actuator but the valve
still does not open, first check that the gas pressure is
normal.
e. If the valve still does not open, replace valve.
If the valve will not close when one or more of the
appropriate contacts in the thermostat (or controller),
limit(s) or flame safeguard control is open:
a. Make sure that the gas flow is in the direction of the
arrow on the valve body.
b. Make sure the valve actuator is wired in the correct
circuit. Open the master switch to remove power from
the actuator. If the valve closes now, the actuator
may not be wired properly.
c. Look for a short in the electrical circuit.
CAUTION
1.
Label all wires prior to disconnection when servicing
valves. Wiring errors can cause improper and dangerous
operation.
2.
Verify proper operation after servicing.
Scheduled inspection and maintenance
For periodic inspection and maintenance, set up a schedule
and follow it. Include the burner, valves and all other burner
controls. It is recommended that “Valve Leak Test (Fig. 8)” on
page 6 be included in the schedule. Refer to the flame
safeguard control instructions for more information.
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Honeywell
INSTRUCTIONS ELECTRICAL CONNECTIONS
CONNECTION INSTRUCTIONS WITH CONDUIT
On each side of the connection box there are break out area’s.
See Fig 8. After removing the central part of one of these
break outs providing a 27/32” hole where the conduit can be
fitted.
Fig 10
After connecting wires (L, N & PE) to dedicated connectors on
connector block, the connection needs to be closed by
mounting the front cover. Before placing the cover, please
check the correct position of seal as shown in Fig 11. The
cover can only be mounted in one orientation. This is shown in
Fig 12.
Specified torque for cover screw: 0.5 Nm.
Fig 8
After removing the nut from the conduit, the conduit can be
placed in the break out. The nut needs to be turned onto the
conduit inside the box. The nut needs to be tightened as
shown in Fig 9. Specified torque for the nut: 4 Nm. Mounted
conduit shown in Fig 10. Specified torque conduit: 3 Nm.
Fig 11
Fig 9
Fig 12
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Honeywell
CONSTRUCTION AND WORKING PRINCIPLES
The V4295/V8295 Normally Closed series gas valves are fail
safe shut-off valves. The valve is opened by energizing the
direct ON/OFF operator. The direct ON/OFF operator consists
of a coil and stop sleeve assembly. Inside the top sleeve
assembly is a plunger which is able to move up and down and
thus opening or closing the valve.
A strainer made out of steel AISI 303 is incorporated in the gas
valve.
Valve closing spring is made out of steel AISI 302.
Seals and gaskets are manufactured out of hydrocarbon
resistant NBR.
The plunger is gliding on two antifriction bearings.
Flow regulation is done by adjustable plunger stroke.
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Honeywell
STANDARDS AND APPROVALS
STANDARDS
APPROVALS
Underwriters Laboratories, Inc., File Number MH
xxxxx, Guide number XXXX
AGA and CGA, File Number CXXXXXXX
Complies with standard ANSI Z21.21- CGA6.5
Automatic Valves for gas appliances and
automatic safety shut-off gas valves (revised
edition of the former ANSI Z21.21, CAN/CGA6.5-M89, CAN/CGA-3.9-M87)
Factory Mutual:
V4/8295A: to be tested
V4/8295S: to be tested
CSD-1 to be tested
EN2R9105 1602RA-NE
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Honeywell
REPLACEMENT PARTS AND ACCESSORIES
WARNING
Take care that only qualified persons carry out the installation of parts, accessories, and add on components.
Follow the installation instructions included in the package.
Check that the selected part, accessory or add on component is the correct one for the application in question.
Specification of data is given in the instruction leaflet in the package .Replace the old gaskets with the new ones
supplied in the package and check for leakage when the supply is switched on again. After installation and/or
replacement has been completed, a gas leak test must be carried out. Also check the gas valve for satisfactory operation
after fitting accessories.
REPLACEMENT CONNECTION BOXES
IMPORTANT
When ordering replacement connection box include the complete valve O.S. number, in order to provide the correct box.
Versions with PG connection IP65
Size / A types
3/8” - 1/2"
3/4” - 1”
1 1/4” - 11/2”
2”
2 1/2” - 3”
Ordering nr.:
BB0xxxxx
BB0xxxxx
BB0xxxxx
BB0xxxxx
BB0xxxxx
Size / S types
3/8” - 1/2”
3/4” - 1”
1 1/4” - 11/2”
2”
2 1/2” - 3”
Ordering nr.:
BB0xxxxx
BB0xxxxx
BB0xxxxx
BB0xxxxx
BB0xxxxx
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EN2R9105 1601RA-NE
Honeywell
Honeywell
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Z.A. La Pièce 16, 1180 Rolle, Switzerland or its Authorized
Representative:
Automation and Control Solutions
Combustion Controls EMEA
Honeywell BV
Phileas Foggstraat 7
7821 AJ Emmen
The Netherlands
Tel.: +31 (-) 591 695 911
Fax: +31 (-) 591 695 200
http://ecc.emea.honeywell.com/default.htm
EN2R9105 1602RA-NE
17