Magnetrol Echotel 961 User manual

®
Ultrasonic
Single and
Dual Point
Level Switches
Installation and Operating Manual
ECHOTEL®961/962
LINE POWERED
Model 961
Model 962

2
U PACKI G
Unpack the instrument carefully. Make sure all components
have been removed from the foam protection. Inspect all
components for damage. Report any concealed damage to
the carrier within 24 hours. heck the contents of the car-
ton/crates against the packing slip and report any discrep-
ancies to Magnetrol. heck the nameplate model number
to be sure it agrees with the packing slip and purchase
order. heck and record the serial number for future refer-
ence when ordering parts.
MOU TI G
ameplate:
- part number
- serial n°
Varivent®
These units are in compliance with:
1.The EM directive 2014/30/EU. The units have been tested to
EN 61326: 1997 + A1 + A2.
2.Directive 2014/34/EU for equipment or protective system intended
for use in potentially explosive atmospheres. E -type examination
certificate number ISSeP12ATEX042 - flameproof enclosure.
3.The PED Directive 2014/68/EU (pressure equipment directive).
Safety accessories per category IV module H1.
High alarm
High high alarm
High alarm
High alarm
Pump control
Auto fill or
empty pump control
Filling line
Pump protection
Pump
Low alarm
0038
0344
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Tri-Clamp®DI 11851Threaded Welded flange

3
WIRI G
Echotel®961 electronics Echotel®962 electronics
TIME
DELAY
LEVEL
TEST
MALF
TEST
MALF RELAY
FAULT
MALF
LOWER
UPPER
MODEL 962
NC C NO NC C NO NC C NO L2L1
Hi PC
Lo LC
LOWER UPPER
Important: Connect the unit to the ground for avoiding earth potential drifts. Use the green internal
grounding screw
ote: in normal operation «Fault» is OFF / «MALF» is O
in malfunction condition: «Fault» is O / «MALF» is OFF
TIME
DELAY
LEVEL
TEST
MALF
TEST
MALF RELAY
FAULT
WET
LEVEL
MALF
MODEL 961
L1
L2
+
-
NC C NONC C NO NC C NO L2L1
Hi I
Lo J
Malfunction
SPDT relay
Malfunction relay
Process relay(s)
100 to 265 V AC
12 to 35 V DC
C
C
O
C
C
O
C
C
O
Process relay(s)
Input power
1 x DPDT (961)
2 x SPDT (962)
relay(s)
Ground
HAZARDOUS AREA SAFE AREA
USER I TERFACE
Testing
malfunction
relay
Fault
red
LED
Wet
yellow
LED
Alarm
status
yellow
LED
Malfunction
green LED
Echotel®961 Echotel®962
TIME
DELAY
LEVEL
TEST
MALF
TEST
MALF RELAY
FAULT
WET
LEVEL
MALF
MODEL 961
NC C NONC C NO NC C NO L2L1
Hi I
Lo J
TIME
DELAY
LEVEL
TEST
MALF
TEST
MALF RELAY
FAULT
MALF
LOWER
UPPER
MODEL 962
NC C NONC C NO NC C NO L2L1
Hi PC
Lo LC
LOWER UPPER
Fault
red
LED
Malfunction
green LED
Lower gap
alarm
yellow
LED
Upper gap
alarm
yellow LED
Testing
DPDT pro-
cess relay

4
SET UP A D FU CTIO S
Set up
High – Low Level Failsafe selection:
In
« Hi » position, the process relay will de-energize (report alarm) when the transducer is wet.
In «Lo» position, the process relay will de-energize (report alarm) when the transducer is dry.
Fault selection:
The echotel 961 is equipped with a malfunction relay separate from the 5A DPDT process relay. The separate or joined oper-
ation of both relays can be selected :
I = in case of a malfunction, only the malfunction relay will de-energize. The process relay will only de-energize in case of a
process alarm
J = in case of a malfunction, both the malfunction relay and the process relay will de-energize
The Echotel 962 is equipped with a malfunction relay separate from the two 5A SPDT process relays. In case of a malfunction,
both the malfunction relay and the process relays will de-energize. The operation of the two process relays can be selected:
L (level control) = the two relays operate independent and will be de-energized when the corresponding tranducer gap is
immerged/dry (following Hi/Lo setting)
P (pump control) = the two relays operate in a latched mode, allowing to perform an automatic fill or drain pump control func-
tion in between the 2 transducer gaps. onsult below tables for proper indication and function.
Time delay setting:
Turning the potentiometer clockwise will increase the time delay from 0,5 s to 10 s. Time delay is typically used where turbu-
lence, boiling or splashing can cause false level alarms.
961 - Relay/ LED Indication:
When «WET» (wet LED): OFF = transducer gap is dry / ON = transducer gap is immerged
When «LEVEL» (level LED): ON = relay is energized / OFF = relay de-energized
Echotel 961: Relay/LED indication
Mode Level Process
relay
« LEVEL» LED
(relay - yellow)
« WET» LED
(gap - yellow)
Error LED indication
Fault (red) Malfunction
(green)
«Hi»
High level
failsafe
Energized ON OFF
OFF =
Normal
operation
ON =
Malfunction
See
troubleshooting
for malfunction
identification
ON =
Normal
operation
OFF =
Malfunction
See
troubleshooting
for malfunction
identification
De-energized OFF ON
«Lo»
Low level
failsafe
Energized ON ON
De-energized OFF OFF

5
SET UP A D FU CTIO S
Echotel 962 as level control «LC»: Relay/LED indication
Level Mode Process
relay Lower LED Upper LED
Error LED indication
Fault (red) Malfunction
(green)
«Hi»
High level
failsafe
# 1 & 2:
Energized ON ON
OFF =
Normal
operation
ON =
Malfunction
See
troubleshooting
for malfunction
identification
ON =
Normal
operation
OFF =
Malfunction
See
troubleshooting
for malfunction
identification
«Lo»
Low level
failsafe
# 1 & 2:
De-energized OFF OFF
«Hi»
High level
failsafe
# 1:
De-energized
# 2:
Energized
OFF ON
«Lo»
Low level
failsafe
# 1:
Energized
# 2:
De-energized
ON OFF
«Hi»
High level
failsafe
De-energized OFF OFF
«Lo»
Low level
failsafe
Energized ON ON
Relay # 1 = lower gap – Relay # 2 = upper gap
Echotel 962 pump control «PC»: Relay/LED indication
Level Mode Process
relay Lower LED Upper LED
Error LED indication
Fault (red) Malfunction
(green)
«Hi»
High level
failsafe
Energized ON ON
OFF =
Normal
operation
ON =
Malfunction
See
troubleshooting
for malfunction
identification
ON =
Normal
operation
OFF =
Malfunction
See
troubleshooting
for malfunction
identification
«Lo»
Low level
failsafe
De-energized OFF OFF
«Hi»
High level
failsafe
De-energized OFF OFF
«Lo»
Low level
failsafe
Energized ON ON
«Hi»
High level
failsafe
De-energized OFF OFF
«Lo»
Low level
failsafe
Energized ON ON
«Hi»
High level
failsafe
Energized ON ON
«Lo»
Low level
failsafe
De-energized OFF OFF
High Level Failsafe (Hi) = auto empty mode
Low Level Failsafe (Lo) = auto fill mode

6
MAI TE A CE
Manual Testing
Level Test: (process relay(s)):
Pressing the “Level Test” pushbutton, will manually test the process relays and connected actuators/indicators. The level test
forces the relay(s) to change from a de-energized to an energized status and vice versa. The LED’s will be ON/OFF corre-
sponding (see tables in the configuration section). The time delay setting is not active during testing.
Malfunction Test (malfunction relay):
Pressing the “Malfunction Test” pushbutton for min 2 s, will manually test the malfunction relay and connected actuators/indi-
cators. The malfunction test simulates a circuit failure and forces all relays to de-energize. The «MALF» LED will turn OFF and
the «FAULT» LED ON. The time delay setting is not active during testing.
Troubleshooting
Problem Action/Indication Solution
No output signal No LED’s are ON heck wiring / input power
heck for malfunction (962). See below
No change in output between
wet gap / dry gap Gap may be plugged by solids / dense foam lean the transducer
Gap is out of reach of liquid heck mounting section and relocate
the unit or check blocking valves.
hattering output Excessive aeration / Turbulence Introduce a time delay
heck input power
Relocate the switch
If installed horizontally, make sure the
961 transducer gap is oriented in a ver-
tical position as shown in the mounting
section. This allows proper drainage
from the gap, and prevents air bubbles
from accumulating in the gap.
Fault LED is ON A system fault has been detected heck input power
heck wiring between transducer and
electronics or replace transducer.
Press «LEVEL TEST» test pushbutton
to identify the problem:
* --- * : 1 flash heck wiring between transducer and
electronics or replace transducer.
** --- ** : 2 flashes Replace electronics
*** --- *** : 3 flashes The unit senses excessive noise
interference. heck shield connection or
eliminate interference from a walkie-
talkie, radio or other nearby source

7
REPLACEME T PARTS
Replacing electronics/transducer
Replacement parts
Echotel electronics can be removed in the field under process conditions. Follow below steps to exchange electronics/trans-
ducer:
ote: Adjust set up of the replacing electronics following the settings of the old electronics (see configuration section)
1. Disconnect power before removing the housing cover
2. Remove power/output wires (a)
3. (Skip step 3 if hygienic housing.) lick out the protection cap of the electronics (b)
4. Remove the 2 bracket screws and slide out electronics (c)
5. Remove the transducer wires (see Wiring section) (d)
6. Re-assemble following the same procedure in opposite way. Make sure that the tip on the bracket of the electronic block is
seated properly in the corresponding recess in the housing base - (e)
No. Description Part Number
1 ast aluminium cover
(digit 10 = 0 or 1)
Blind
With window
ast stainless steel cover (digit 10 = 2 or 3)
Blind
Deep drawn stainless steel cover
(digit 10 = 4 or 5)
Blind
With window
004-9192-009
036-4410-010
004-9224-014
032-3934-001
036-5702-002
2 “O”-Ring
digit 10 = 0, 1, 2 or 3
digit 10 = 4 or 5
012-2201-237
012-2201-155
3 Electronic module for industrial
housing
( digit 10 = 0, 1, 2 or 3 )
961 – A power
961 – D power
962 – A power
962 – D power
Electronic module for hygienic
housing (digit 10 = 4 or 5)
961 – A power
961 – D power
962 – A power
962 – D power
089-7259-001
089-7259-002
089-7258-001
089-7258-002
089-7256-001
089-7256-002
089-7257-001
089-7257-002
4 Transducer consult factory
1
3
3
3
3
2
4
a
d
e
b
c
1X 74 2 3 8 9 105 6
Digit in partn°:
Partn°:
Serial n°:
X = product with a specific customer requirement
See nameplate, always provide complete partn° and
serial n° when ordering spares.
EXPEDITE SHIP PLAN (ESP)
Several parts are available for quick shipment, within max.
1 week after factory receipt of purchase order, through the
Expedite Ship Plan (ESP).
Parts covered by ESP service are conveniently grey coded
in the selection tables.

8
2. Code for Echotel®transducer
MODEL IDE TIFICATIO
A complete measuring system consists of:
1. Echotel®electronics
2. Echotel®transducer
1. Code for Echotel®electronics
9 D A6 0 complete code for Echotel®electronics
0 Integral mount electronics
BASI MODEL NUMBER
961 Echotel 961 electronics for single setpoint 9M1 transducers
962 Echotel 962 electronics for dual setpoint 9M2 transducers
INPUT POWER
MOUNTING
0 Blind housing cover
1 Housing cover with glass window (not for cast stainless steel housings)
A ESSORIES
ATEX II 1/2 G / IE Ex d II T6 Ga/Gb, flameproof enclosure
- except deep drawn SST housing
3 Weatherproof - except deep drawn SST housing
7 Weatherproof - deep drawn SST housing
APPROVALS
1 ast aluminium housing with M20 x 1,5 cable entry (2 entries – one plugged)
0 ast aluminium housing with 3/4" NPT cable entry (2 entries – one plugged)
3 ast stainless steel with M20 x 1,5 cable entry (2 entries – one plugged)
2 ast stainless steel with 3/4" NPT cable entry (2 entries – one plugged)
5 Deep drawn 304 stainless steel with M20 x 1,5 cable entry (2 entries – one plugged)
4 Deep drawn 304 stainless steel with 1/2" NPT cable entry (1 entry)
HOUSING / ABLE ENTRY
2DA 12 - 35 V D line powered electronics with 5 A gold flash relay(s) output
7D A 100 - 265 V A line powered electronics with 5 A gold flash relay(s) output
X = product with a specific customer requirement
complete code for Echotel®transducer
A 316/316L (1.4401/1.4404) stainless steel
B Hastelloy® (2.4819) – only available with 9M1
Monel®(2.4360) – only available with 9M1
N 316/316L (1.4401/1.4404) stainless steel & NA E MR0175/MR0103
P PV
R Kynar®(PVDF) – only available with 9M1
S 316/316L (1.4401/1.4404) stainless steel with 0,5 µm Ra (20 Ra) surface finish
BASI MODEL NUMBER
9M1 Echotel®961 transducer with single setpoint
9M2 Echotel®962 transducer with dual setpoints
TRANSDU ER MATERIALS (use only metal transducers for hazardous area)
9 M
X = product with a specific customer requirement
SEE NEXT PAGE

9
MODEL IDE TIFICATIO
9 M complete code for Echotel®transducer
A TUATION LENGTH – specify per cm (0.39") increment
Total insertion length = actuation length + 6 mm (0.25")
9M1 transducers
003 Minimum 3 cm (1.2") – for metal transducers with NPT connections only
005 Minimum 5 cm (2") – for all other connections
304 Maximum 304 cm (120") – for Kynar®(PVDF) material
330 Maximum 330 cm (130") – for all other materials
9M2 transducers "A" length
specify "B" length separately (see drawing and note shown in the dimensions section)
013 Minimum 13 cm (5.1") – for metal transducers with NPT connections only
015 Mininimum 15 cm (5.9") – for all other connections
330 Maximum 330 cm (130")
A Standard sensor: min -40 ° / max +165 ° (-40 °F / +325 °F)
Low temperature sensor: min -80 ° / max +120 ° (-110 °F / +250 °F) – only available with 9M1-A
SENSOR TYPE
X = product with a specific customer requirement
PRO ESS ONNE TION
Threaded (plastic transducers are only available with 3/4" PT connection)
23 1" 150 lbs ANSI RF¡
33 1 1/2" 150 lbs ANSI RF¡
43 2" 150 lbs ANSI RF¡
A SI Flanges for plastic transducers¿
BA DN 25 PN 16 EN 1092-1 Type A
A DN 40 PN 16 EN 1092-1 Type A
DA DN 50 PN 16 EN 1092-1 Type A
E (DI ) Flanges for plastic transducers¿
3T 1 1/2" Tri-clamp®
4T 2" Tri-clamp®
VV DN 65 Varivent®type N
Hygienic
BS DN 25 DIN 11851
S DN 40 DIN 11851
DS DN 50 DIN 11851
¿PV flanges for PV transducers, Kynar®cladded SST flanges for Kynar®transducers
¡FF (flat face) flanges for PV transducers
11 3/4" NPT
21 1" NPT
12 3/4" BSP (G 3/4")
22 1" BSP (G 1")
23 1" 150 lbs ANSI RF
24 1" 300 lbs ANSI RF
25 1" 600 lbs ANSI RF
33 1 1/2" 150 lbs ANSI RF
34 1 1/2" 300 lbs ANSI RF
35 1 1/2" 600 lbs ANSI RF
43 2" 150 lbs ANSI RF
44 2" 300 lbs ANSI RF
45 2" 600 lbs ANSI RF
53 3" 150 lbs ANSI RF
54 3" 300 lbs ANSI RF
55 3" 600 lbs ANSI RF
63 4" 150 lbs ANSI RF
64 4" 300 lbs ANSI RF
65 4" 600 lbs ANSI RF
A SI Flanges for metal transducers
BB DN 25 PN 16/25/40 EN 1092-1 Type A
B DN 25 PN 63/100 EN 1092-1 Type B2
B DN 40 PN 16/25/40 EN 1092-1 Type A
DN 40 PN 63/100 EN 1092-1 Type B2
DA DN 50 PN 16 EN 1092-1 Type A
DB DN 50 PN 25/40 EN 1092-1 Type A
DD DN 50 PN 63 EN 1092-1 Type B2
DE DN 50 PN 100 EN 1092-1 Type B2
EA DN 80 PN 16 EN 1092-1 Type A
EB DN 80 PN 25/40 EN 1092-1 Type A
ED DN 80 PN 63 EN 1092-1 Type B2
EE DN 80 PN 100 EN 1092-1 Type B2
FA DN 100 PN 16 EN 1092-1 Type A
FB DN 100 PN 25/40 EN 1092-1 Type A
FD DN 100 PN 63 EN 1092-1 Type B2
FE DN 100 PN 100 EN 1092-1 Type B2
E (DI ) Flanges for metal transducers
SEE PREVIOUS PAGE
2. Code for Echotel®transducer

10
DIME SIO S I mm (inches)
102
(4)
6 (0.25)
46 (1.8) Typical
Ø 22,9 (0.90)
Actuation length
for PT connection
Actuation
length
for BSP
connection
113 (4.43) without window
123 (4.85) with window
102
(4)
6 (0.25)
60 (2.35) Typical
Ø 22,9 (0.90)
Actuation length
113 (4.43) without window
123 (4.85) with window
961 - Threaded connection 961 - Flanged connection
102
(4)
6 (0.25)
46 (1.8) Typical
Ø 22,9 (0.90)
Actuation length “A”
for PT connection
Actuation length “B”
for PT connection
Actuation
length “A”
for BSP
connection
Actuation length
“B” for BSP
connection
113 (4.43) without window
123 (4.85) with window
102
(4)
6 (0.25)
60 (2.35) Typical
Ø 22,9 (0.90)
Actuation length “A”
Actuation length
“B”
113 (4.43) without window
123 (4.85) with window
962 - Threaded connection 962 - Flanged connection
ote: - Difference between actuation lengths "A" and "B" must be min. 8 cm.
- Max. length for dimension "B" is 322 cm.

11
DIME SIO S I mm (inches)
Cable entry
60
(2.36)
125
(4.92)
43°
52
(2.05)
58
(2.28)
109
(4.28)
43° View
29 (1.14)
Ø 22,9 (0.90) Actuation Length
Tri-Clamp®
35 (1.38)
Ø 22,9 (0.90) Actuation Length
DI 11851
46 (1.81)
Ø 22,9 (0.90)
6 (0.25)
6 (0.25)
6 (0.25)
Actuation Length
Varivent®

12
SPECIFICATIO S
Description Specification
Input Voltage 100 - 265 V A 50/60 Hz or 12 - 35 V D
Power onsumption < 3 Watt
Output
961: one 5 A DPDT relay,
962: two 5 A SPDT relays
961/962: one 5 A SPDT malfunction relay
Time delay 0,5 to 10 s adjustable (in addition to transducer response time)
Indication LED’s for process alarm status, malfunction (error of transducer, electronics or elec-
trical noise interference) and wet/dry status of transducer (961 only)
Selftest Automatic ontinuously verifies electronics, transducer and noise interference
Manual Via pushbutton for checking alarm output(s) and error output/function.
Housing material IP66, cast aluminium, cast stainless steel or deep drawn 304 stainless steel (IP 67)
Approvals ¿
ATEX II 1/2 G Ex d II T6 Ga/Gb flameproof enclosure (units with metal transducers)
IE Ex d II T6 Ga/Gb
Overfill prevention TÜV - WHG § 63 / VLAREM II 5.17.7
Other approvals are available, consult factory for more details
SIL (Safety Integrity Level) Functional safety to SIL 2 in accordance to IE 61508 – SFF > 90 %.
Full FMEDA report and declaration sheets available at request.
Shock/Vibration ANSI/ISA-S71.03 lass SA1 (shock), ANSI/ISA-S71.03 lass V 2 (vibration)
Net weight Aluminium / Deep drawn 304 SST: 1 kg (2.2 lbs) – electronics only
ast SST: 2,5 kg (5.5 lbs) – electronics only
Description Specification
Response time 0,5 s typical
Repeatability ± 2 mm (0.078")
Ambient Temperature -40 ° to +70 ° (-40 °F to +160 °F)
Humidity 0-99 %, non-condensing
Electromagnetic ompatibility Meets E requirements (EN 61326: 1997 + A1 + A2) and NAMUR NE 21
Electronics specifications
Performance
Transducer specification
¿Only available with cast aluminium or cast stainless steel housings.
Description Plastic transducers Metal transducers
Material PV
Kynar®(PVDF)
316/316L SST (1.4401/1.4404)
Hastelloy® (2.4819)
Monel®(2.4360)
Mounting Threaded (NPT/BSP) – Flanged (ANSI - EN (DIN)) – Hygienic
Actuation length From 5 cm up to 304 cm
(2" up to 120") – PVDF
From 5 cm up to 330 cm (2" up to 130") – PV
From 3 cm up to 330 cm (1.2" up to 130")
Process temp. (consult temp/
press. graphs)
-40 ° to +120 ° (-40 °F to +250 °F) – PVDF
-40 ° to +80 ° (-40 °F to +180 °F) – PV
-40 ° to +165 ° (-40 °F to +325 °F) – standard
-80 ° to +120 ° (-110 °F to +250 °F) – low
temperature version in 316/316L SST
Max pressure (consult temp/
press. graphs)
13,8 bar @ +40 ° (200 psi @ +100 °F)
for NPT threaded units
82,8 bar (1200 psi) for Monel transducers
onsult temp/press. graphs for other
materials
Flanged models are downrated to the design pressure of the selected flange

13
PRESSURE / TEMPERATURE RATI GS
0-40 40 80 120 165
40
80
120
160
Range with 3/4" PT
Range with 150# flange
Range with P 16 flange
138 bar¿
103 bar
82,8 bar
Process temperature (°C)
Process temperature (°C)
Process pressure (bar) Process pressure (bar)
30
25
20
15
10
5
-40 0 40 80 120
0
Kynar®Transducer Ratings
Process temperature (°C)
Process pressure (bar)
30
25
20
15
10
5
-40 0 40 80 120
0
CPVC Transducer Ratings
Metal Transducer Ratings
¿Only applicable to NPT-connections with actuation length = 3 cm
and BSP/ANSI/EN (DIN)-connections with actuation length = 5 cm
¡For low temperature sensor: from -80 ° up to +120 °
316/316L (1.4401/1.4404)¡
Hastelloy®C (2.4819)
Monel®(2.4360)

14
otes

15
otes

IMPORTA T
SERVICE POLICY
Owners of Magnetrol products may request the return of a control; or, any part of a control for complete rebuilding or
replacement. They will be rebuilt or replaced promptly. Magnetrol International will repair or replace the control, at no cost to
the purchaser, (or owner) other than transportation cost if:
a. Returned within the warranty period; and,
b. The factory inspection finds the cause of the malfunction to be defective material or workmanship.
If the trouble is the result of conditions beyond our control; or, is OT covered by the warranty, there will be charges for labour
and the parts required to rebuild or replace the equipment.
In some cases, it may be expedient to ship replacement parts; or, in extreme cases a complete new control, to replace the
original equipment before it is returned. If this is desired, notify the factory of both the model and serial numbers of the
control to be replaced. In such cases, credit for the materials returned, will be determined on the basis of the applicability of
our warranty.
No claims for misapplication, labour, direct or consequential damage will be allowed.
RETUR ED MATERIAL PROCEDURE
So that we may efficiently process any materials that are returned, it is essential that a “Return Material Authorisation” (RMA)
form will be obtained from the factory. It is mandatory that this form will be attached to each material returned. This form is
available through Magnetrol’s local representative or by contacting the factory. Please supply the following information:
1. Purchaser Name
2. Description of Material
3. Serial Number and Ref Number
4. Desired Action
5. Reason for Return
6. Process details
Any unit that was used in a process must be properly cleaned in accordance with the proper health and safety standards
applicable by the owner, before it is returned to the factory.
A material Safety Data Sheet (MSDS) must be attached at the outside of the transport crate or box.
All shipments returned to the factory must be by prepaid transportation. Magnetrol will not accept collect shipments.
All replacements will be shipped Ex Works.
www.ma gnetrol. com
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UNITED Unit 1 Regent Business Centre, Jubilee Road Burgess Hill West Sussex RH 15 9TL
KINGDOM
Tel. [phone] • Fax [phone] • E-Mail: [email protected]
BULLETIN N°: BE 51-645.11
EFFE TIVE: AUGUST 2017
SUPERSEDES: December 2015
UNDER RESERVE OF MODIFI ATIONS