Bacharach Parasense 3300RM2 Manual

3300RM2
REFRIGERANT MONITOR
OPERATION & MAINTENANCE MANUAL
Model 3300RM2
Doc. Ref. MN3300RM2 Revision 5, March 2020

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3300RM2
Refrigerant Monitor
Models 3300RM2
Approvals
This product has been accredited with the following:-
• Vibration MIL-STD-167-1A • Shock Grade A MIL-S-901D • EMC MIL-STD-461F
Copyright Notice
Copyright © Parasense. All rights reserved.
Must not be copied or reproduced without the written permission of Parasense.
Disclaimer
The information contained within this document is subject to change without notice.
While Parasense continue to make the information within this document as accurate as possible, it
may contain unintentional typographical or technical errors. Any errors found are changed and
incorporated into a revised edition of this document.
Parasense assumes no responsibility for its use, or for any infringements on the rights of third parties
that may result from its use.
Contact
Parasense Limited
Phone: [phone]
Email: [e-mail]
Web: www.parasense.com
Parasense, Inc
Phone: [phone]
Email: [e-mail]
Web: www.parasense.com
‘Caution, Risk of Electric Shock’ Please isolate elsewhere before opening Monitor door.
Please read this manual before installing or servicing the equipment.

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TABLE OF CONTENTS
1 INTRODUCTION...............................................................................................................................1-1
GENERAL ARRANGEMENT............................................................................................................1-1
2 INSTALLATION GUIDE ...................................................................................................................2-1
ENCLOSURE DIMENSIONS............................................................................................................2-1
MONITOR FITTING INSTRUCTIONS..............................................................................................2-2
DETAILED FIXINGS INFORMATION...............................................................................................2-3
ELECTRICAL REQUIREMENTS .....................................................................................................2-5
RELAY CONNECTIONS ..................................................................................................................2-6
EXTERNAL COMMS........................................................................................................................2-6
SETTING AWINDOWS PC TO COMMUNICATEWITH A3300RM2..............................................2-7
3300RM2 STATUSWEBSITE..........................................................................................................2-9
FREEWAY INSTALLATION GUIDELINES.....................................................................................2-10
INSTALLATION -DO......................................................................................................................2-11
INSTALLATION -DO NOT .............................................................................................................2-11
NETWORK MODULE CONNECTIONS .........................................................................................2-12
MULTIPLE BEACON /SOUNDERWIRING...................................................................................2-13
3 MONITOR SETUP............................................................................................................................3-1
HOME SCREEN...............................................................................................................................3-1
SAMMS LIST....................................................................................................................................3-2
LOGS MENU ....................................................................................................................................3-3
ALARMS LOG ..................................................................................................................................3-3
FAULTS LOG ...................................................................................................................................3-3
FAULT MESSAGES.........................................................................................................................3-4
EVENTS LOG...................................................................................................................................3-4
SYSTEM TEST.................................................................................................................................3-5
MANAGEMENT FUNCTIONS..........................................................................................................3-5
MANAGEMENT –SETTINGS..........................................................................................................3-6
MANAGEMENT –SETTINGS –GENERAL SETTINGS..................................................................3-6
MANAGEMENT –SETTINGS –SAMM SETTINGS.........................................................................3-7
MANAGEMENT –SETTINGS –RELAY SETTINGS......................................................................3-10
MANAGEMENT –SETTINGS –NETWORK SETTINGS...............................................................3-11
MANAGEMENT –SETTINGS –NETWORK DEFAULTS..............................................................3-12
MANAGEMENT –SETTINGS –DATE/TIME SETTINGS ..............................................................3-13
MANAGEMENT –RESET 3300RM2..............................................................................................3-14
MANAGEMENT –CHANGE PASSCODE......................................................................................3-14
4 USER GUIDE....................................................................................................................................4-1
POWER UP......................................................................................................................................4-1
KEYPAD FUNCTIONS .....................................................................................................................4-1
CONTRAST ADJUSTMENT.............................................................................................................4-1
SYSTEM ALARM OR FAULT INDICATION .....................................................................................4-2
RELAY FUNCTION ..........................................................................................................................4-2
FACTORY DEFAULT CONFIGURATION SETTINGS.....................................................................4-3
5 SERVICE AND MAINTENANCE......................................................................................................5-1
SYSTEM FAULT DIAGNOSIS..........................................................................................................5-2
FAULT MESSAGES.........................................................................................................................5-3
REPLACING THE ENCLOSURE DOOR..........................................................................................5-7

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REPLACING THE NETWORK MODULE (INC. INSERT PLATE) ....................................................5-9
REPLACING ASAMM MODULE....................................................................................................5-10
REMOVING THE STYX MODULE .................................................................................................5-11
REPLACING THE STYX MODULE ................................................................................................5-12
REPLACING THE POWER SUPPLY MODULE.............................................................................5-13
REPLACING THE POWER INPUT MODULE ................................................................................5-14
TESTING MODES..........................................................................................................................5-15
CALIBRATION CHECK..................................................................................................................5-15
SYSTEM TEST...............................................................................................................................5-17
AIR FLOW.......................................................................................................................................5-19
6 SPECIFICATION ..............................................................................................................................6-1
......................................................................................................................................A-1
3300RM2 GENERAL ARRANGEMENT (PM1940) ......................................................................... A-1
3300RM2 WIRING SCHEMATIC (PS0716)..................................................................................... A-2
3300RM2 PANEL MOUNTING DETAILS (PM1951) ....................................................................... A-3
Revision
Details
Checked
2-3:
September 2013
System fault and fault messages section revised. Various changes
to module replacement instructions
2-4:
November 2013
System test updated. Calibration details removed, photos updated.
2-5:
November 2013
Page 3-9: area mode: configurable number of samples changed to
(between 1 and 9)
2-6:
December 2013
Multiple changes throughout entire manual
2-7:
March 2014
All display screenshots updated
2-8:
October 2014
Styx replacement procedure updated. Appendix: PM1940 and
PM1951 revised
2-9:
October 2015
Page numbers corrected. Appendix PM1940 and PS0716 updated
to latest revision
3-0:
9th Nov 2015
Appendix: PS0716 revised. Door and network module replacement
procedure updated. Photos updated to show correct wiring
configuration on J17 of network module. Checked box added to this
table. Multiple corrections
AK
3-1:
17th May 2016
Quality Management logo added
AK
4-0:
1st Feb 2017
System Test information re-worded to clarify its purpose and
changed number of reservoir bag valve turns from 2 to 1.
Updated Parasense Inc. address details. Stepwise branding
removed.
JB
4-1:
9th March 2017
Calibration check section added.
AK
4-2:
21st March 2018
Parasense logo updated throughout manual and drawings
JB
4-3
25th October
2018
Webpage screen shot updated
TS
5
March 2020
Updated addresses
JH

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1 INTRODUCTION
The Parasense 3300RM2 monitor is an advanced refrigerant leak detection device. Utilising infrared
absorption sensors, the 3300RM2 automatically collects and analyses samples of air to report and
record the time, presence and concentration of refrigerant, in accordance with the system
configuration.
The monitor has 8 individual SAMMs (sampling channels), each having their own pump and filter.
Each SAMM is connected to the location to be sampled by semi-rigid nylon pipework, referred to as
freeway. The specific location can then be further subdivided into small regions using a manifold and
multiple sampling pipes known as spur kits (refer to the Installation Guide within this manual).
Each SAMM on the 3300RM2 can be used to monitor refrigerant gas in one of two ways. Option 1 is
to configure the 3300RM2 to monitor the overall area where refrigerant equipment is contained. This
ensures the level of refrigerant concentration is kept within specified limits. Option 2 is to configure
the 3300RM2 to monitor a specific piece of refrigeration equipment, directly targeting the source of
any refrigerant leaks.
Alarms can be generated at three different levels described as ‘Alert’, ‘Alarm’ and ‘Critical’. These
alarms can be signalled to other devices using the 16 configurable relays. The current alarm status is
indicated on the 169mm (6.5”) TFT LCD display.
GENERAL ARRANGEMENT

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2 INSTALLATION GUIDE
ENCLOSURE DIMENSIONS
3300RM2
A
B
C
D
E
F
G
H
J
K
WEIGHT
Metric
(mm)
400
500
150
360
434
550
510
208
758
620
16.2Kg
(exc. Shock kit)
Imperial
(In)
15.7
19.7
5.9
14.2
17.1
21.7
20.1
8.2
29.9
24.4
35.6lb
(exc. Shock kit)
(note: Parasense beacon/sounders are approximately 120mm high x 95mm diameter (4.7” x 3.74”) )
(Shock kit finished weight: 6.3kg/14lb)
The monitor enclosure has been designed to comply with IP54. This is not intended for external use.
Where possible the enclosure and Freeway should be positioned in areas with similar environmental
conditions.

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MONITOR FITTING INSTRUCTIONS
Fix the shock isolator mounting plate onto a solid vertical surface, where the top is approximately
1800mm / 6ft above floor level, in a position where the monitor’s LCD can be easily accessed. Space
should be left around the plate to allow the opening of the monitor door and fitting of freeway, power
and communications cables.
Push the monitor onto the four mounting pins of the shock isolators and secure in place using the
fixings supplied with the mounting kit.

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DETAILED FIXINGS INFORMATION
These items are used to fix the shock isolator to the mounting plate
Nut Type
Flange Nut Type
Locknut Type
Steel Insert Style
Material Type
Finish
Grade/Class
Steel Type
System of Measurement
Inch Thread Size
Thread Type
Thread Direction
Width
Flange Diameter
Flange Height
Overall Length
Specifications Met
Note
Locknuts, Flange Nuts
Nylon Insert
Nylon Insert with Flange
Hex
Steel
Zinc-Plated
Grade F
Plain Steel
Inch
1/4"-20
Standard Threads
Right-Hand Thread
7/16"
.56"
.056"
5/16"
Not Rated
Locking element is effective up to +250° F.
Head Style
Flat Style
Material Type
Finish
Steel Type
Self-Locking Element
Drive Style
System of Measurement
Inch Thread Size
Thread Length
Length
Head Angle
Decimal Size
Head Diameter
Head Height
Drive
Rockwell Hardness
Minimum Tensile Strength
Thread Fit
Specifications Met
Matching Driver
Matching Bit
Screw Quantity
Notes
Flat
Flat
Steel
Zinc-Plated
Plain Steel
None
Star
Inch
1/4"-20
Fully Threaded
1"
82 Degrees
.250"
.477"
.153"
T27
Minimum B60
60,000 psi
Class 2A
Not Rated
5756A18
7013A28
Individual Screw
Star drive is compatible with Torx drivers and
bits. Use a countersink to create a recess.
The body diameter of your countersink should
be equal to or larger than your screw's head
diameter and its included angle should match
your screw's head angle.

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These items are used to fix the monitor to the shock isolators
Nut Type
Machine Screw and Hex Nut
Type
Material Type
Finish
Grade/Class
Steel Type
System of Measurement
Inch Thread Size
Thread Type
Thread Direction
Width
Height
Rockwell Hardness
Specifications Met
ANSI Specification
ASME Specification
Machine Screw and Hex Nuts
Hex
Steel
Zinc-Plated
Grade 5
Plain Steel
Inch
3/8"-16
Standard Threads
Right-Hand Thread
9/16”
21/64"
Maximum C32
American National Standards Institute (ANSI),
American Society of Mechanical Engineers
(ASME)
ANSI B18.2.2
ASME B18.2.2
Shape
For Screw Size
Material Type
Finish
Steel Type
Inside Diameter
Outside Diameter
Minimum Thickness
Maximum Thickness
Rockwell Hardness
Specifications Met
ANSI Specification
Round Hole
3/8"
Steel
Zinc-Plated
High Strength Steel
.406" (13/32")
.813" (13/16")
.055"
.08"
C38-45
American National Standards Institute (ANSI),
Society of Automotive Engineers (SAE)
ANSI B18.22.1
Shape
For Screw Size
Material Type
Finish
Spring Lock Type
Inside Diameter
Outside Diameter
Minimum Thickness
Application
Rockwell Hardness
Specifications Met
ASME Specification
Spring Lock
3/8"
Steel
Zinc-Plated
Heavy Duty
.385"
.68"
.094" (3/32")
Locking Washer
C35-C46
American Society of Mechanical Engineers
(ASME)
ASME B18.21.1

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ELECTRICAL REQUIREMENTS
Each monitor requires an earthed, AC single phase mains supply in the range 90-120V AC, 260VA,
50/60Hz. The 3300RM2 is protected by 2 x 2.5A anti-surge fuses on the power input module.
The final connection should be made as indicated, incorporating a water tight strain relief bush with a
smoothly rounded opening, through the detector enclosure.
Cable used shall be rated for the maximum current of the equipment, and shall be certified or approved
by a recognized testing authority.
The cable anchorage shall relieve the conductors of the cable from strain, including twisting, where they
are connected within the equipment, and shall protect the insulation of the conductors from abrasion.
The protective earth conductor, if any, shall be the last to take the strain if the cable slips in its
anchorage.
Cable anchorages shall meet the following requirements:
a) The cable shall not be clamped by a screw which bears directly on the cable.
b) Knots in the cable shall not be used.
c) It shall not be possible to push the cable into the equipment to an extent which could cause a
hazard.
d) Failure of the cable insulation in a cable anchorage which has metal parts shall not cause
accessible conductive parts to become hazardous live.
e) It shall not be possible to loosen the cable anchorage without the use of a tool.
f) It shall be designed so that cable replacement does not cause a hazard, and it shall be clear how
the relief from strain is provided.
A compression bushing shall not be used as a cable anchorage unless it is suitable for use with the
mains supply cable supplied with it or specified for it by the manufacturer.
Single Ground Earth Screw

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RELAY CONNECTIONS
16 separate volt-free configurable changeover relays are fitted to the network module, rated at 16A
(resistive). Contact voltages should not exceed 24V DC.
16 Configurable Relays on Network Module
Pilot Relays on Power Input Module
Two pilot relays are also provided on the power input module, rated at 6A (resistive). Voltages should
not exceed 250V. These are factory wired to activate using relays 1 & 2 on the network module in
conjunction with the 24V DC auxiliary supply.
The relays are configured via the door mounted display. Refer to the Monitor Setup section of this
manual for more information.
Relays on the network module become energised when the monitor is powered up, pilot relays are
energised when 24V DC is applied across the 24V and 0V terminals. i.e. C and NO are linked, C and
NC are open circuit. On loss of power or an alarm situation occurs, the relays become de-energised,
i.e. C and NC are linked, C and NO are open circuit.
EXTERNAL COMMS
An RJ45 Ethernet socket is located at the base of the 3300RM2. This provides access to a local area
etwork (LAN) or wide area network (WAN).
Bottom view of enclosure
External
Ethernet Socket

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SETTING A WINDOWS PC TO COMMUNICATE WITH A 3300RM2
Communication with the 3300RM2 utilises the Ethernet socket mounted on the network module. A
Cat5/Ethernet cable can then be plugged into the Ethernet socket, with the other end plugged into the
Ethernet port of a PC running Windows XP or later.
The PC must have its local area network information configured to a range that will allow it to
communicate with the 3300RM2. The exact terminology varies slightly between different versions of
the Windows operating system. The instructions below are for Windows 10/Windows 8 with variations
for Windows 7. Windows XP is covered separately.
WINDOWS 10, 8 and WINDOWS 7
1) Take a note of the current network settings of the GRM2 system (please refer to the Network
Settings menu of the Monitor Setup/Management Menu section for information).
2) From the PC Desktop, access the control panel:-
Using Windows 10 or 8: Press and release both the ‘Windows’key and ‘X’ key at the
same time. Click ‘Control Panel’.
Using Windows 7: Click ‘Start’, ‘Control Panel’.
3) Under ‘Network and Internet’of the control panel, click ‘View network status and tasks’.
4) Click ‘Change adapter settings’in the left hand menu. Right-click ‘Ethernet’or ‘Local Area
Connection’and choose ‘Properties’ from the popup menu.
5) From the list shown, select ‘Internet Protocol Version 4 (TCP/IPv4)’then click the ‘Properties’
button.
6) The existing settings for your PC will be shown. If the option ‘Use the following IP address’ is set,
take a note of the values that are shown onscreen. This information will be required at step 9 of
these instructions.
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7) Click on ‘Use the following IP address’. Enter the Gateway setting noted in step 1 into the Default
Gateway field. Enter the first 3 parts of the Address setting noted in step 1 into the first 3 parts of the
IP address field (e.g. if the Address noted was 192.168.0.50, then enter 192.168.0). In the 4th IP
address field, enter a value which is different to the 4th value of the Address noted in step 1 (e.g. if
the Address noted in step 1 was 192.168.0.50, then enter any value other than 50).
Note: there must be no other device connected to the same network with the same IP address
you have used (e.g. using the above screenshot as an example, there must be no other device
connected to the same network with an IP address of 192.168.0.9).
8) Click ‘OK’, and close all previously opened windows.
9) Once all communication with the 3300RM2 is complete, change the PC settings back to the
previous settings by following the instructions above from step 2 to 7. The information noted in
step 6 must replace the data in step 7.
WINDOWS XP
a) Take a note of the current network settings of the 3300RM2 system (please refer to the Network
Settings menu of the Monitor Setup/Management Menu section for information).
b) From the PC Desktop, access the control panel by clicking ‘Start’, ‘Control Panel’.
c) Click ‘Network and Internet Connections’followed by ‘Network Connections’.
6

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3300RM2 STATUS WEBSITE
The 3300RM2 status website offers remote access to the monitor’s current status. The status
website is automatically refreshed every 10 seconds, ensuring up to date information is available.
To access the status website, first open a web browser window. In the address bar, enter the IP
address of the monitor, followed by /status.htm. For example, using the monitor’s factory default IP
address, you would enter 192.168.0.50/status.htm.
The following screen will be displayed. This page shows the current status of all channels currently
being monitored by the 3300RM2. If a channel has encountered an alert, alarm or critical event, it will
be highlighted using the relevant colour.
The drop-down menu to the right of the screen gives access to the monitors Relay status and
configuration. You can also view the monitor’s alarms, events, and alerts log pages. To return to the
Status page from the logs page, select Show SAMM Status from the drop-down menu.
Enter ip address/status.htm
Return to the
Status page

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FREEWAY INSTALLATION GUIDELINES
Parasense sampling pipework, known as freeway, is used to draw samples of air from areas of
potential leakage to the respective SAMM within the 3300RM2 monitor. A typical system installation
is shown below.
Note: leak mode sample points should be located as close as possible to the potential leakage point.
area mode sample points to be located in general airflow of space at heights of between 1.5m/5ft and
2.4m/8ft, preferably away from potential leakage points.

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INSTALLATION - DO
Maximum of one spur kit per SAMM.
Maximum of 4 way split.
Spur kit freeway lengths must always be the same length and never shortened (coil excess
freeway). No exceptions.
Ensure that the freeway is pushed fully into the connectors on the SAMM and spur kit branch
connectors.
Support and clip all freeway and spur kit branch connectors.
Ensure that the freeway filters always point downwards.
Attach identity markers to both ends of the freeway, including A (area) or L (leak) prefix.
Use continuous lengths of freeway (DO NOT JOIN).
Sample points from a single SAMM must all be in the same room.
Leak mode sample points to be located as close as possible to the potential leakage point.
Area mode sample points to be located in general airflow of space at heights of between
1.5m/5ft and 2.4m/8ft, preferably away from potential leakage points.
Cut the freeway straight using the correct cutter (supplied by Parasense).
INSTALLATION - DO NOT
Exceed 150m/500ft of freeway (including all spur freeway; E.g. for an installation with
100m/330ft of freeway + 4-way 5m/16ft spur kit, the length would be 120m/394ft).
Flatten or kink the freeway.
Bend the freeway at a radius of less than 150mm/6".
Run the freeway from a warm place through a very cold space.
Expose the freeway or spur kit to temperatures in excess of 60C/140F, or less than
-30C/-22F.
Let the spur kit filters ever be immersed in water or any other liquids.
Mix spur kit freeway of different lengths on the same SAMM.
Run freeway in areas where they may be stood on or where they may restrict access to other
equipment.

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NETWORK MODULE CONNECTIONS

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MULTIPLE BEACON / SOUNDER WIRING
In addition to the local beacon/sounder fitted to the top of the monitor, further remote
beacon/sounders may be installed. The maximum number of beacon/sounders that can be powered
by the 3300RM2 is determined by the following information:-
Internal 24V DC PSU spare capacity: 1.2A up-to 50°C enclosure temperature
(max 10 Parasense Beacon/sounders)
0.6A between 50-60°C enclosure temperature
(max 5 Parasense Beacon/sounders)
No spare capacity above 60°C
Parasense Beacon/sounder Imax at 24V DC: When wired C-NC = 110mA
Beacon/Sounder connection details
Individual Relay Connection on Network Module
Auxiliary Supply and additional 0V
landing points on network module

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3 MONITOR SETUP
HOME SCREEN
The home screen is shown when the system is first accessed, or if no buttons have been pressed for
3 minutes. The home screen displays the product name and number of working SAMMs. Also
displayed is the number of alarms (maximum of 100) that have occurred over the recording period (1
to 14 days as set during configuration). Pressing the button on the keypad accesses a primary
selection menu:
There are four menu options available:
•SAMMs List : Shows a summary list of all SAMMs.
•Logs : Allows you to view alarms, faults and events logs of the 3300RM2.
•System Test : Enables you to carry out a sample of a chosen SAMM.
•Management : Gives access to system maintenance tools.
3300RM2-8
0 alarms in last 7 days
Please select:
SAMMs list
Logs
System test
Management
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SAMMS LIST
The SAMMs list shows each of the SAMMs along with its ID, status, most recent PPM reading and it’s
condition. The top two lines of this screen give a summary of the highlighted SAMMs configuration.
The first line is the name assigned to the SAMM, and the second line shows the alarm & critical set
points, and the chosen gas type. If a custom gas is chosen, the word ‘Custom’ is displayed.
The SAMM ID’s are prefixed with a single character. This indicates the mode in which the SAMM has
been configured. This will be A (area mode) or L (leak mode). Refer to SAMM Settings within this
manual for information on area and leak functionality.
If a SAMM has been inhibited, this will be indicated by an asterisk character immediately preceding
the ‘A’ or ‘L’ designation character.
NOTE: From initial switching on of the 3300RM2, there is a period of time where the monitor needs to
warm up to operating temperature. During this time, the current status of each enabled SAMM will
show as ‘Warming’. Sampling operations are disabled until the system is up to temperature. Once
the status has changed from ‘Warming’, the system is ready to use.
Select a SAMM using the buttons to move the cursor. The summary information at the top of the
screen will change to display the currently highlighted SAMMs configuration.
Pressing the button while a SAMM is highlighted displays a pop-up menu offering the choice
‘Manual Sample: Yes/No’. Selecting ‘Yes’ initiates a manual sample and the status, ppm and alarm
fields update accordingly as the sampling process takes place.
Choosing ‘No’ will close the pop-up window and return to the SAMM list page.
Compressor 1
Alarm: 300 Crit.: 850 R134A
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
SAMM Status PPM Alarm
A1 Idle 0 None
A2 Idle 0 None
L3 Sampling 0 None
L4 Idle 0 None
L5 Idle 920 Critical
L6 Idle 0 None
L7 Idle 0 None
A8 Idle 0 None
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