Ecotech GTS Control Logic RIV-601P/S Parts list manual

rev. 8 APR18 DESP-MASP
ECOTECH GTS SRL Via del Plan del Sant, 24 38012 Predaia Fraz. Mollaro (TN) P.IVA 02553340221
Tel. [phone] |Fax [phone] [email protected] www.ecotechgts.com
SPARK DETECTORS
technical description
and
application manual

rev. 5 APR18
SPARK DETECTORS
SUMMARY
technical description (DESP)
Page
• Spark detection and extinguishing systems components ...........................................................5 DESP
• RIV-601P/S Spark detector.............................................................................................7 DESP
• SAM-871 Mounting frame ...........................................................................................9 DESP
• PAN-701 Spark alarm panel .....................................................................................11 DESP
• PAN-705M Spark control panel ...................................................................................13 DESP
• SNA-808L Alarm sounder beacon ... ..........................................................................15 DESP
• EVS-811 Water solenoid valve .................................................................................15 DESP
• FIL-817 Strainer for water solenoid valve ¾”..........................................................16 DESP
• LAC-843 Alarm lamp ................................................................................................16 DESP
• PAC-846 Water ow switch ......................................................................................17 DESP
• APU-874 Air purging unit ..........................................................................................18 DESP
• UGN-820 Standard spray nozzle...............................................................................19 DESP
• UGN-820A Axial spray nozzle......................................................................................20 DESP
• UGN-820P Flat jet spray nozzle...................................................................................21 DESP
• CON-844 Pulse counter.............................................................................................22 DESP
• LAM-612P External test lamp unit...............................................................................23 DESP
• SER-851 Buttery type duct valve............................................................................25 DESP
• SER-852 Slide type duct valve .................................................................................25 DESP
• SER-853 Flapper type duct valve .............................................................................25 DESP
• SER-854 Fast three-way re duct valve ...................................................................25 DESP
application manual (MASP)
Page
• Introduction to Control Logic spark detector system .................................................................5 MASP
• Spark detector system general diagram.....................................................................................6 MASP
• Dimensioning of spark detector system .....................................................................................7 MASP
• Mechanical installation of the spark detector system.................................................................8 MASP
• Mounting of the spark detector RIV-601P/S with SAM-871 frame.............................................9 MASP
• Installation of spray nozzle UGN-820 .......................................................................................11 MASP
• UGN-820: complete extinguishing system ...............................................................................12 MASP
• Graph of distance between detector and spray nozzle ............................................................13 MASP
• Spark detector system electrical connections..........................................................................14 MASP
• Spark detector system startup..................................................................................................15 MASP
• Preventive maintenance............................................................................................................16 MASP
• Spark detector RIV-601P/S: electric wiring ..............................................................................17 MASP
• Systems type “A” and “B”: electric diagram.............................................................................18 MASP
• Systems type “A” and “B”: system diagram.............................................................................19 MASP
• Systems type “A” and “B”: startup operations .........................................................................20 MASP
• Systems type “E1” and “E”: electric diagram .......................................................................... 21 MASP
• Systems type “E1” and “E”: general functions .........................................................................22 MASP
• Systems type “E1” and “E”: system diagram ...........................................................................23 MASP
• Systems type “E1” and “E”: startup operations .......................................................................24 MASP
• Important warning notices ........................................................................................................25 MASP
• False alarms from electromagnetic emissions..........................................................................26 MASP
• Declaration of conformity to European directives (CE marking) ...............................................30 MASP
• ORDINARY AND EXTRAORDINARY MAINTENANCE ..........................................................31 MASP

DESP-GB
SPARK DETECTORS
technical description

rev. 5 APR18 DESP 4-GB
SPARK DETECTORS
technical description
SUMMARY
Page
• Spark detection and extinguishing systems components ............................... 5 DESP
• RIV-601P/S Spark detector ....................................................................... 7 DESP
• SAM-871 Mounting frame...................................................................... 9 DESP
• PAN-701 Spark alarm panel ................................................................ 11 DESP
• PAN-705M Spark control panel.............................................................. 13 DESP
• SNA-808L Alarm sounder beacon......................................................... 15 DESP
• EVS-811 Water solenoid valve ............................................................ 15 DESP
•FIL-817 Strainer for water solenoid valve ¾” .................................... 16 DESP
• LAC-843 Alarm lamp ........................................................................... 16 DESP
• PAC-846 Water ow switch................................................................. 17 DESP
• APU-874 Air purging unit..................................................................... 18 DESP
• UGN-820 Standard spray nozzle ......................................................... 19 DESP
• UGN-820A Axial spray nozzle ................................................................ 20 DESP
• UGN-820P Flat jet spray nozzle ............................................................. 21 DESP
• CON-844 Pulse counter ....................................................................... 22 DESP
• LAM-612P External test lamp unit ......................................................... 23 DESP
• SER-851 Buttery type duct valve ...................................................... 25 DESP
• SER-852 Slide type duct valve............................................................ 25 DESP
• SER-853 Flapper type duct valve........................................................ 25 DESP
• SER-854 Fast three-way re duct valve.............................................. 25 DESP

PAC-846
WATER FLOW
SWITCH
page DESP 17
DESP 5-GB rev. 5 APR18
SPARK DETECTION AND EXTINGUISHING SYSTEMS COMPONENTS
RIV-601P/S
SPARK
DETECTOR
page DESP 7
PAN-701
SPARK ALARM PANEL
page DESP 11
(see FOE 38
electrical wiring)
SNA-808L
ALARM SOUNDER
BEACON
page DESP 15
LAC-843
ALARM
LAMP
page DESP 16
APU-874
AIR PURGING UNIT
page DESP 18
SAM-871
MOUNTING FRAME
FOR RIV-601P/S
page DESP 9
PAN-705M
SPARK CONTROL
PANEL
page DESP 13
EVS-811
WATER
SOLENOID VALVE
page DESP 15
FIL-817
STRAINER FOR
WATER SOLENOID
VALVE ¾”
page DESP 16
Model No. V6EPB Serial No.
Class I, groups B, C, D Class II, groups E, F, G
Listed for hazardous
locations 986G
F
LOTEC
T

rev. 3 JUN15 DESP 6-GB
SPARK DETECTION AND EXTINGUISHING SYSTEMS COMPONENTS
UGN-820
SPRAY
NOZZLE
page DESP 19
UGN-820A
AXIAL SPRAY
NOZZLE
page DESP 20
LAM-612P
EXTERNAL TEST
LAMP
page DESP 23
SER-852
GATE TYPE
DUCT VALVE
page DESP 25
UGN-820P
FLAT JET SPRAY
NOZZLE
page DESP 21
SER-851
BUTTERFLY TYPE
DUCT VALVE
page DESP 25
SER-853
ELECTRO-PNEUMATIC
DUCT VALVE
page DESP 25
SER-854
FAST THREE-WAY
FIRE DUCT VALVE
page DESP 25
TER-616/TX
SILO TEMPERATURE
SENSOR FOR ATEX
CLASSIFIED AREAS
ref. FOE 36
TER-616/T
SILO TEMPERATURE
SENSOR
WATERTIGHT IP65
ref. FOE 21

DESP 7-GB rev. 2 MAR17
SPARK DETECTOR
RIV-601P/S
Description
Spark detector RIV-601P/S is an electronic re alarm device, sensitive
to sparks and incandescent bodies in movement.
Its use is particularly recommended on dust collection systems in
factories where wood is processed, chipboard or furniture are
manufactured, in sawmills and the like, where res are both probable
and frequent.
It is also recommended for the textile industry, especially in cotton
mills, in cereal and animal feed mills and storage and in the treatment
of hides and leather. And many many others where sparks are
produced and they can start a re.
Spark detector RIV-601P/S contains an element sensitive to the
infrared (IR) radiation emitted by incandescent bodies, a series of
amplier and time circuits, and an output relay that provides a
1A 30Vdc changeover contact.
When a spark is detected the relay is operated for 3 seconds (time
can be adjusted from 1 to 10 seconds). If the sparks are continuous
the relay is operated till 3 seconds after last spark.
The spark detector is designed for installation over the ducts of the
dust extraction systems or pneumatic chip conveyors, so that it can
see inside the duct through a window. It can also be installed over
screw and belt conveyors or other mechanical systems for conveying
chips, sawdust, cereals or animal feed, but sun light or articial light
must not fall directly on the detection window as they might cause
false alarms.
The detector is normally installed using the SAM-871 mounting frame,
in which it is supported by rubber cushions and is protected from the
environment and vibrations.
II 3D T85°C

rev. 2 MAR17 DESP 8-GB
SPARK DETECTOR RIV-601P/S
The simplest application of the detector is to activate a sound alarm
and possibly automatic plant mechanisms (stop, reverse direction
etc.). More usually, however, it is combined with an automatic
extinguishing system, comprising a solenoid valve and one or more
water spray nozzles to extinguish every spark that runs in front of the
detector with a short spray of water.
In this case the spray nozzle is installed about 15 meters downstream
from the detector in order to catch the sparks travelling at 30 m/s,
since a delay of 0.2 sec is assumed, due to the water ow before and
after the nozzle.
Another detector may be installed downstream from the nozzle to
detect any spark remaining alive due to faults in the extinguishing
system (lack of water, valve blocked etc.) or large size of the re.
A ow switch may be tted upstream of solenoid valve to monitor the
water spray ow.
An interesting feature of the detector is its self test system.
A special incandescent bulb is incorporated into the detector near the
sensor. When this bulb is powered with a 24Vdc pulse it generates an
infrared (IR) ash that is seen by the detector as a spark. This device
allows a remote checking of the detector and the automatic
extinguishing system.
Specifications
Cast aluminium case IP66 protection (watertight NEMA 4).
Power supply 24Vdc (20-30V) ltered (ripple less than 5%).
Current consumption 13mA normal, 50mA in alarm. Test 20mA.
Spectral sensitivity infrared (IR) 1-3 micron.
Field of view 90° cone.
Typical sensitivity: 1mm spark at half a meter distance.
The minimum size detected increases or decreases linearly with
distance (2mm spark at one meter, etc.).
Immediate response time (20-30ms).
Alarm time duration 3 sec (standard time). Internally adjustable from 1
to 10 sec.
Internal LED indicator showing relay alarm status.
Output changeover contact rated 1A 30Vdc. Relay is active when a
spark is detected, and is held active for at least 3 sec.
“Teletest” feature for remote testing of the detector.
Requires a 24Vdc 20mA pulse to simulate a spark and cause the
detector to operate.
Electrical wiring on 7 way terminal block, plug-in type, 10 pitch, wire
size 2.5mm2max (a max 1.5mm2wire gauge is suggested to avoid a
difcult wire entry into the screw terminal).
Cable entry tting M25 internal diameter 13-18mm.
Operating temperature -20 +60°C.
Storage temperature -40 +85°C.
Relative humidity max 95% non condensing.
Dimensions 180x85xH65mm.
Weight 700g.
Model complying with 94/9 Atex directive suitable for application on
zone 22
II 3D Ex tD A22 IP66 T85°C.
dimensions in mm
3 sec on time
RIV-601P/S
LED alarm
L
+
R
C
T+
-
S
Ground
- +
NPN coll
TEST (24Vcc 20mA)
STATIC OUTPUT
50mA LOAD TO +24V
POWER 24Vdc ( - )
RELAY CONTACT OUTPUT
1A 30Vdc
(L=NO, R=NC, C=COM)
POWER 24Vdc
( + ) 13/50mA
140 39
180
85 65
Cable fitting M25
70
125
4 mounting through holes (which don’t have any
contact with the inside space) for M4x25
(minimum length) screws
RIV-601P/S
SPARK DETECTOR
Notes:
1. It is highly recommended to connect the enclosure base to a good ground line using the ground terminal provided inside up on the left. Then, connect base
and cover using the ground terminal provided inside the base lower on the right and the ground terminal provided inside the cover lower on the left.
All the ground terminals are signalled by ground label.
The ground connection must be done using a yellow-green conductor and a M4 double crimp eyelet.
The yellow-green ground conductor must be longer than the other conductors.
2. In order to ensure an IP66 protection grade the cover must be tightly closed turning the four screws provided.
The suggested closing torque value is 1 ÷ 1.5Nm.

DESP 9-GB rev. 2 MAR17
MOUNTING FRAME
SAM-871
for spark detector RIV-601P/S
Specifications
Mounting frame SAM-871 is composed of two parts: the base
to be xed to the ducting by rivets or self-threading screws, the
lid that closes the base by four captive knob screws.
Aluminum optical window Ø 80x18mm with tempered glass
window Ø 40x6mm and rubber foam ring.
Silicone pad under the base.
The detector is placed inside among foam rubber walls.
Material: 1mm thick stainless steel, painted yellow.
Dimensions 170x165xH115mm (190x185x130mm package).
Weight 1100g (1300g with package).
Optical window
LID
BASE
Note: the silicone pad 140x110x4 placed under
the SAM-871 base is aimed to lower vibrations
and prevent the optical window from protruding
inside the duct
Note:
The optical window is removable for
periodical cleaning and replacing
using the four screws.
Before replacing the window in its
seat, carefully clean the gasket and
the mounting surface to ensure the
watertight seal.
Take care not over tighten the
screws not to damage their o-ring.
Rubber foam
No. 6 mounting holes Ø 6mm
Silicone pad placed under the
base
No. 4 M3 threaded inserts
to be inserted into the
corresponding through
holes on the window

rev. 2 MAR17 DESP 10-GB
Double detector (pair)
Single detector
MOUNTING FRAME
SAM-871
for spark detector RIV-601P/S
duct mounting examples
CONTROL
LOGIC
DET DET
duct
•
•
•
SPARK DETECTORS installed on duct
Mounting holes on ducting
(dimensions in mm)
55
110
Ø 62
60
30 30
55
No. 6 holes with appropriate size for
the type of mounting (rivets,
self-threading screws or other)
taking into consideration that the
holes on the frame have a diameter
of 6mm

DESP 11-GB rev. 2 JUN15
For each line (ALARM 1 and ALARM 2) an additional “C” terminal is available to add another spark detector.
Input and output voltage 24Vdc.
All wiring and grounding must be done in accordance with local and national rules and regulations.
SPARK ALARM PANEL
PAN-701
for spark detector RIV-601P/S
It carries on the front panel a 24Vdc power indicator green LED, a reverse
polarity indicator red LED, an overload/short circuit indicator yellow LED, 2
indicator red LEDs for the alarm of the Spark Detectors, 2 TEST buttons and
2 RESET buttons.
It must be powered by a 24Vdc power supply and it is protected against
overload and short circuit by an internal fast press-to-reset thermal circuit
breaker (1.5A – 36W).
The alarm panel PAN-701 allows to monitor two independent detection
points (ALARM 1 and ALARM 2).
The alarm of the spark detector activates the STOP circuit (it turns on the
alarm, stops the fan and closes the duct valve) which is held active until
manual reset through the RESET button.
The TEST button is used to check the system. A short pulse causes a spark
to be simulated inside the detectors that will go in alarm state, will light the
ALARM LEDs and will activate alarm sounder and STOP circuit. Press the
RESET button to return the system to normal operating conditions. The
alarm panel PAN-701 is also suitable for our silo temperature alarm systems.
Specifications
Wall mounting using mounting holes provided.
An external 24Vdc power supply is needed.
Output 24Vdc 36W for two RIV-601P/S spark detectors, two sound and
light alarms, two STOP circuits.
Two TEST outputs 24Vdc pulse.
Internal power consumption 0,3W normal, 2W in alarm.
Max power consumption 36W – 1.5A
Operating temperature -20 +50°C.
Electrical wiring on 22 way terminal block, plug-in type, 5 pitch, wire size 2.5
mm2max.
Cable entries by 2 M25 cable ttings, internal diameter 13-18mm.
Cast aluminium case IP66 protection (watertight NEMA 4).
Dimensions 180x140xH65mm.
Packaging 240x180xH130mm.
Weight 1kg.
Electrical diagram
140 65
140
180
140
180180
125
125 140
Cable fitting M25
4 mounting through holes (which don’t have any
contact with the inside space) for M4x25
(minimum length) screws
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
+ - +
L1 C1 C1 - T1 A1 + A1 - S1 + S1 -+ L2 C2 C2 - T2 A2 + A2 - S2 + S2 -
PAN-701
24Vdc 1.5A - 36W
Power
24Vdc
Alarm
sounder Duct valve
and
stop relay
Spark detector
ALARM 1
Spark detector
ALARM 2
Overload / Short Circuit
TEST 1
TCB
RESET 1 TEST 2 RESET 2
ALARM 1 ALARM 2
+24Vdc +24Vdc
Alarm
sounder Duct valve
and
stop relay
1.5A THERMAL CIRCUIT
BREAKER (TCB)
In the event of overload or short
circuit it automatically interrupts
the current ow.
Yellow LED on front
panel lights up.
Solve the problem
and push the
switch to
resume normal
operation.
Ground
Ground
terminal
Notes:
1) It is highly recommended to connect the enclosure base to a good ground line using the ground terminal provided inside lower on the right.
Then, connect base and cover using the ground terminal provided inside the base lower on the left and the ground terminal provided inside the cover
lower on the right.
All the ground terminals are signalled by ground label.
The ground connection must be done using a yellow-green conductor and a M4 double crimp eyelet.
The yellow-green conductor must be longer than the other conductors.
2) In order to ensure an IP66 protection grade the cover must be tightly closed turning the four screws provided. The suggested closing torque value is
1 ÷ 1.5 Nm.
In the packaging are included
no. 8 “not present” labels to put
on the front panel to advise that
one spark detector is missing.
The front panel should
not be hung by the
internal electrical
connections. When you
open the control panel
it is suggested to place
the front panel as
represented by the
pictures on the sides.

rev. 1 OCT13 DESP 12-GB
SPARK DETECTOR SYSTEM
APPLICATION EXAMPLE
Fan
Machine
Detection
Alarm sounder beacon
Control panel
Extinguishing
Silo Air outlet
Dust collection
system
Monitoring
Duct valve

DESP 13-GB rev. 3 APR18
In the packaging are
included no 8.
“NOT PRESENT”
labels to put on the
front panel to advise
that one or more
components are
missing.
SPARK CONTROL PANEL
PAN-705M
for spark detector RIV-601P/S
The control panel PAN-705M is designed to operate and monitor
all the functions of a complete spark detector system.
On front panel it displays the operating state of the spark
detectors that control the extinguishing and the monitoring
functions, the nozzle water ow switch, the STOP function and
the power voltage.
MEMORY function: the alarm signaling LEDs of the detectors and
of the ow switch “remember” the alarm occurred blinking
until the manual reset (RESET). The MEMORY function can be
deactivated / activated by single switches, one for each LED
(5-way DIP switch on the front panel circuit).
Reverse polarity and overload/short circuit warning lights are also
present.
In addition it carries the detector TEST pushbutton and the stop/
memory RESET pushbutton (it turns off the alarm, switches off the
signaling LEDs and restores the normal operating condition).
It must be powered by a 24Vdc power supply.
It is protected against overload and short circuit by a fast
press-to-reset thermal circuit breaker (1.5A – 36W).
It also contains the control relays for the alarm sounder, the solenoid
valve, the STOP circuit (external relay to stop the fan and possible
duct valve).
The solenoid valve is controlled by the extinguishing spark
detectors.
The stopping of the fan and the closing of the duct valve are controlled
by the monitoring spark detectors through the stop relay, which is held
active until manually reset.
The alarm sounder is controlled by the extinguishing spark detectors,
by the monitoring spark detectors and their stop function, and by the
water ow switch.
Specifications
Wall mounting using mounting holes provided.
Power line voltage 24Vdc
Internal power consumption 15mA normal, 100mA in alarm.
Max power consumption 36W – 1.5A
Press-to-reset protection against overload and short circuit.
Operating temperature -20 +50°C.
Electrical wiring on 22 way terminal block, plug-in type, 5 pitch,
wire size 2.5mm2max.
Cable entries by 2 M25 cable ttings, internal diameter 13-18mm.
Cast aluminium case IP66 protection (watertight NEMA 4).
Dimensions 180x140xH65 mm.
Packaging 240x180xH130 mm.
Weight 1kg.
Mechanical dimensions (mm)
Front view Side view Rear view
140 65
140
180
140
180180
125
125 140
4 mounting through holes
(which don’t have any
contact with the inside
space) for M4x25
(minimum length) screws
Cable fitting M25

rev. 4 APR18 DESP 14-GB
SPARK CONTROL PANEL
PAN-705M
for spark detector RIV-601P/S
Electrical diagram
Notes:
1) It is highly recommended to connect the enclosure base to a good ground line using the ground terminal provided inside lower on the right.
Then, connect base and cover using the ground terminal provided inside the base lower on the left and the ground terminal provided inside the cover
lower on the right.
All the ground terminals are signalled by ground label.
The ground connection must be done using a yellow-green conductor and a M4 double crimp eyelet.
The yellow-green conductor must be longer than the other conductors.
2) In order to ensure an IP66 protection grade the cover must be tightly closed turning the four screws provided. The suggested closing torque value is
1 ÷ 1.5Nm.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
+ - + L1 C1 C2 - T1 P P V+ V- + L2 C3 C4 - T2 A+ A- S+ S-
PAN-705M
2
4Vdc 1.5A - 36W
1.5A THERMAL CIRCUIT BREAKER (TCB)
In the event of overload or short circuit it automatically interrupts
the current ow. Yellow LED on front panel lights up.
Solve the problem and push the switch to resume normal operation.
Power
24Vdc
Water
ow switch
Water
solenoid valve
Monitoring
detectors
DET3 and DET4
Duct valve
and stop relay
Alarm
sounder
Extinguishing detectors
DET1 and DET2
Overload / Short Circuit
TEST
TCB
STOP RESET
WATER
FLOW
DET 1 DET 2 DET 3
+24Vdc +24Vdc
DET 4
Ground
Ground
terminal
Input and output voltage 24Vdc.
All wiring and grounding must be done in accordance with local and national rules and regulations.
The front panel should not
be hung by the internal
electrical connections.
When you open the control
panel it is suggested to
place the front panel as
represented by the
pictures below.


DESP 15-GB rev. 1 OCT13
WATER SOLENOID VALVE
EVS-811
Specifications
Two-way normally closed (NC) - Internal diameter 16 mm.
Flow rate 30 lt/min (0,5 lt/sec) at 1 bar (1 lt/sec at 4 bar).
Pressure range 0 to 10 bar.
Coupling 3/4" gas female.
Power voltage 24Vdc 11W.
Weatherproof protection with IP65 connector (dust and
water jet).
Operating temperature -10 +60°C.
Water temperature +5 +90°C.
Dimensions 70x50x100mm.
Packaging 125x90x55mm.
Weight 700g (800 g with packaging).
II 3D T200°C model (suitable for application on zone 22)
complying with ATEX Directive II 3D Ex tc IIIC T200°C
Dc IP65 (Tamb: -20 ÷ +80°C).
II 3D T200°C
ALARM SOUNDER BEACON
SNA-808L
Specifications
Audible visual alarm.
Indoor and outdoor use.
IP65 protection.
Power voltage 24Vdc 16 mA 0,4W.
Electrical wiring on screw terminals.
Alternating sound 101dB(A), lamp ash 1Hz.
Operating temperature -10 +55°C.
Dimensions Ø 93xH110mm.
Packaging 100x100x110mm.
Weight 290g (320g with packaging).
ELECTRICAL WIRING
1 2 3 4 5 6
+ + - - - -
SNA-808L Alarm sounder
Warning: take care not to change the plus (+) and minus (-)
polarities.
93
110
Ø 93
50
60
93
50

rev. 0 NOV10 DESP 16-GB
ALARM LAMP
LAC-843
Specifications
Lamp with built-in 1Hz asher.
Wall mounting.
Power voltage 24Vdc 3-5mA.
Electrical wiring on screw terminals.
IP65 protection.
Operating temperature -10 +60°C.
Dimensions Ø 93 x h 80mm.
Packaging 100x100x85mm.
Weight 120g (160g with packaging).
STRAINER FOR WATER
SOLENOID VALVE
FIL-817
To be installed before EVS-811 water solenoid valve in
order to stop any dirt owing inside the main water line so
as to avoid jamming and/or damaging the solenoid valve
rubber diaphragm.
Specifications
Typical ow rate 120 lt/min at 1 bar.
Differential pressure at 50 lt/min ow rate
(2 UGN-820 nozzles) 0.20 bar.
Max pressure 25 bar.
Brass type body, stainless steel removable lter cartridge.
Acceptable uid water.
Coupling ¾” F-F (female-female).
Filter mesh 0.73 ÷ 0.87mm.
Operating temperature –20 +120ºC.
Water temperature +5 +90ºC.
Dimensions 106x80x38mm.
Packaging 110x80x45mm.
Weight 550 g.
3/4” 3/4”
106
80
Ø 93

Install in piping with arrow
pointing in direction of
water ow.
Switch can be installed in
any position.
WATER FLOW SWITCH
PAC-846
Designed to monitor the spray water ow in the UGN-820 (or other
type) nozzle during the extinguishing operation.
Installed upstream of the EVS-811 solenoid valve.
When a water ow is detected then a contact is closed on the BLUE
and BLACK leads.
Specifications
Minimum water ow 6 lt/min (xed preset).
Max water pressure 17 bar.
Brass tee coupling 1/2" female (3/4” adapters separately
supplied).
Changeover contact rated 1A 30Vdc.
Electrical connections on terminal block inside the explosion-proof
IP66 junction box separately supplied.
Ground screws supplied on junction box both internally and externally.
Operating temperature -20 +75°C (non condensing).
Flow switch dimensions 188x60x35mm.
Junction box dimensions 100x100x67mm.
Packaging 280x150x130mm.
Weight 1.5kg.
II 3D T135°C model (suitable for application on zone 22) complying
with 94/9 Atex directive only if electrical connections are made inside
the explosion-proof junction box separately supplied duty sealed so
as to assure IP66 protection grade.
DESP 17-GB rev. 2 MAR17
Model No. V6EPB
Serial No.
Class I, groups B, C, D
Class II, groups E, F, G
Listed for hazardous
locations 986G
FLOTECT
red
black
blue
188
60
3/4” NPT
1/2”
no. 2 3/4” adapters
separately supplied
100
100
II 3D T135°C