Trojan Technologies Aquafine CSL Series User manual

READ THIS MANUAL
PLEASE KEEP FOR PERMANENT REFERENCE
Part No. 115-1 Rev D 09/10
This manual covers the installation, operation and general maintenance requirements for Aquafine Ultraviolet
Water Treatment equipment.
DISINFECTION • TOC REDUCTION • OZONE DESTRUCTION • CHLORINE/CHLORAMINE DESTRUCTION
CSL Series
Installation & Operation Manual
It is imperative that those responsible for the installation of this equipment,
as well as operating personnel, read this manual and carefully follow all
instructions and guidelines. EQUIPMENT OPERATORS AND INSTALL-
ERS MUST COMPLY WITH OPERATIONAL SAFETY REQUIRE-
MENTS.

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TABLE OF CONTENTS ............................................................................................................................................ 1
INSTRUCTION.......................................................................................................................................................... 3
PURPOSE & SCOPE........................................................................................................................................... 3
WARNING ............................................................................................................................................................ 3
DESCRIPTION....................................................................................................................................................... 5-6
QUARTZ SLEEVES & LAMPS............................................................................................................................. 6
STANDARD CONTROL PANEL ........................................................................................................................... 6
INSTALLATION.................................................................................................................................................... 7-14
LOCATION ........................................................................................................................................................... 7
ELECTRICAL POWER......................................................................................................................................... 7
PLUMBING........................................................................................................................................................ 7-8
QUARTZ SLEEVE INSTALL................................................................................................................................. 9
DE LAMP INSTALL..............................................................................................................................................11
SE LAMP INSTALL............................................................................................................................................. 12
HT LAMP INSTALL............................................................................................................................................. 13
OPERATION ...................................................................................................................................................... 15-16
POWERING UP.................................................................................................................................................. 15
ANALOG CONTROLLER.................................................................................................................................. 17-18
S-254.................................................................................................................................................................. 17
4-20MA............................................................................................................................................................... 18
UV & TEMPERATURE MONITORING SYSTEM............................................................................................... 19-22
MAIN MENU SCREEN...................................................................................................................................... 19
ACCESSING PARAMETERS .................................................................................................................... 19
SETTING PARAMETERS ......................................................................................................................... 20
SETTING UV INTENSITY DISPLAY .............................................................................................. 20
SETTING UV ALARM SETPOINT...................................... ............................................... .............20
SETTING 100% UV........................................................................................................................ 20
SETTING TEMP. UNITS (°F OR °C) .............................................................................................. 21
SETTING TEMP. ALARM SETPOINT ............................................................................................ 21
ALARM INDICATIONS .............................................................................................................................. 21
LOW UV ALARM................................................................... .............................................. ..........21
HIGH TEMP. ALARM..................................................................................................................... 21
MAINTENANCE................................................................................................................................................. 23-28
RECOMMENDED MAINTENANCE GUIDELINES............................................................................................ 23
PREVENTATIVE MAINTENANCE SCHEDULE................................................................................................ 23
SAFETY REQUIREMENTS............................................................................................................................... 24
OPERATING CONDITIONS .............................................................................................................................. 24
CLEANING THE UNIT....................................................................................................................................... 24
CLEANING THE QUARTZ SLEEVES............................................................................................................... 25
CLEANING THE DETECTOR WINDOW .......................................................................................................... 25
IF TUBE QUARTZ TUBE IS LEAKING.............................................................................................................. 25
IF END PLATE SEAL IS LEAKING.................................................................................................................... 25
INSPECTION FOR LAMP OPERATION ........................................................................................................... 26
REPLACEMENT OF UV LAMPS ...................................................................................................................... 26
LAMP SOCKET INSPECTION .......................................................................................................................... 26
COOLING FAN INSPECTION ........................................................................................................................... 26
TROUBLESHOOTING....................................................................................................................................... 29-38
ANALOG...................................................................................................................................................... 29-36
UV & TEMPERATURE MONITORING SYSTEM ........................................................................................ 37-38
WARRANTY....................................................................................................................................................... 39-41
TABLE OF CONTENTS

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INSTRUCTION
PURPOSE & SCOPE
• Remove all electrical power to the unit before
servicing the unit. The electrical panel is an
electrical hazard. Death can result if the proper
precautions and safety are not obeyed. All
electrical power to the equipment, including
power from the signal and control systems must
be completely isolated.
• Never service the system under pressure. The
treatment chamber must be valved off from the
water source, the pressure released and then the
system drained.
• Never look at UV lamps! The lamps produce
harmful radiation and will damage the eyes and
skin. Always use protective gear.
The purpose of this manual is to provide instructions for the
installation and operation of the CSL Series models and intended
for personnel that have a working knowledge of servicing
electrical and mechanical equipment.
FIG. A CSL SERIES 8R MODEL WITH ANALOG

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DESCRIPTION
THE CSL SERIES
The CSL Series has been designed to offer low pressure UV
technology over a wide range of application ow rates. The
models in this series combine the electrical enclosure and the
treatment chamber in one integral unit.
The CSL series is the appropriate choice for many treatment
applications, offering a more compact footprint and easy
installation. It includes the critical quality and performance
features that have made Aquane the standard in UV water
treatment.
KEY FEATURES
• 316L SS Treatment Chamber
• 304 SS Control Cabinet
• Lamp Status Indicator
• Running Time Meter
• Sample Ports
• Single -ended Lamps (SE)
UNIT DESCRIPTION
Elements to identify the CSL Series are:
FIG. A CSL SERIES 8R UNIT IDENTIFIED ELEMENTS
1. Socket Covers
2. Quartz Sleeves & Lamps - located inside
3. Treatment Chamber
4. Control Cabinet
5. Sample Port
6. Drain Port
7. End plate
SOCKET COVERS
The socket cover on the end of the treatment chamber provides
protection of the lamp socket assemblies.
TREATMENT CHAMBER
The UV treatment chamber is manufactured from 316L stainless
steel.
SAMPLE PORTS
Two ports are available for obtaining water samples pre and
post UV chamber. Sanitary sampling valves should be installed
on the ports.
DRAIN PORT
The treatment chamber is provided with a drain port to drain
the cylinder completely. A drain valve should be installed on
the port.
END PLATE
Sealing gaskets/O-rings are located on both ends (depending
on model), which contain the stainless steel nipples and lamp
socket retainer assemblies.
1 2 3 4 5 6 7

6
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STANDARD CONTROL PANEL
The control panel contains the ballast(s) and controller for the
unit. Different electrical congurations are available. The UV
analog controller (standard) is shown below.
QUARTZ SLEEVES & LAMPS
The quartz sleeves and lamps t inside the UV chamber. The
lamp sockets connect to the lamps, creating a water resistant
seal and a vibration proof grip. The socket cover on either end
of the chamber protects the lamp socket assemblies from the
environment. The Single-ended (SE) assembly is depicted
below.
Elements to identify the Lamp Socket Assembly are:
DESCRIPTION
FIG. B SE LAMP SOCKET ASSEMBLY IDENTIFIED ELEMENTS
1. SE Lamp Cap
2. SE Lamp Socket
3. UV Lamp
4. Compression Nut
5. O-ring
6. Quartz Sleeve
7. End Plate Nipple
FIG. C STAINLESS STEEL CABINET WITH ANALOG
1. Analog Controller - standard, UV & Temp.
Monitoring System is optional
2. Main Power Switch - optional on 120V, standard
on 240V.
1 2 3 4 5 6 7 1 2
Elements to identify the Control Panel are:

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INSTALLATION
INSTALLATION GUIDELINES
The following are the guidelines and procedures for installing
the CSL Series.
location
A. Install the UV treatment unit in a horizontal position in a
sheltered, well ventilated area. Ambient temperatures
surrounding the unit should be between 50° (10°C)
and 100°F (38°C). For operating temperatures below
50° (10°C) or should your requirements differ, please
contact your local Aquafine representative or call Aquafine
customer service.
B. Operating water temperature should be between 50°
(10°C) and 100°F (38°C).
C. Remove the plastic dowel placed inside the treatment
chamber unit, used for securing the baffle during
shipping.
D. Protect the equipment form the environment. Do not
expose the equipment to direct water spray.
E. As an ultraviolet UV treatment unit does not introduce
any chemical residue within the water, it is desirable to
install the unit as close as possible to the point-of-use in
order to avoid potential recontamination by discharge
pipes, tting, etc.
F. The base of the UV treatment unit should be mounted
on suitable support to avoid undue strain on the unit
or related pipes and ttings.
G. Allow sufcient service access clearance, at least 72”
(183cm) of clearance on the lamp-changing end of the
unit. At the opposite end, there should be a minimum
of 24” (61cm) of clearance for maintenance. Refer
to mechanical drawings. Clearance for servicing the
electrical cabinet should be allowed.
electrical power
A. Bring you wiring to the cable entry hole in the back
of the cabinet, making sure your electrical service
matches the electrical data shown on the nameplate
decal. The unit’s main fuse provides primary over-
current protection. See the wiring diagram located in the
back of the manual.
B. Locate the optional “ON/OFF” switch near the UV
treatment unit so the current may be conveniently
turned “OFF” for servicing.
NOTE: It is imperative that the unit be properly grounded for
safe and proper operation. FAILURE TO PROPERLY GROUND
THE UV TREATMENT UNIT AUTOMATICALLY VOIDS ALL
EQUIPMENT WARRANTY.
plumbing
A. Limit overhead piping load to 50lbs (22.7kg) per ange.
If your piping system is subject of impulse pressure
resulting in “water hammer” condition, a surge tank
or other means must be provided to remove this
condition; otherwise the extreme momentary pressure
may rupture and fracture the quartz sleeves.
C. The power requirements for each unit depends on
the number and type of lamps used in the treatment
chamber.
D. The units incoming power (120VAC or 240VAC)
requires a single phase, grounded neutral source. If
the unit needs to be powered by a 208VAC supply,
an externally mounted step up transformer can be
provided. Failure to properly ground the UV treatment
unit automatically voids all equipment warranty.
E. If the external transformer is factory installed local to
the electrical enclosure,the secondary terminations
are factory wired by Aquane.
F. If the external transformer is required, the transformer
primary connections to the customers incoming power
shall be made in conformance to the local codes and
be consistent with good electrical practice.
G. UV performance is line voltage sensitive. Line voltage
should be +5% of rating shown on the electrical
nameplate decal. Voltage outside these limits will
affect the performance of the UV equipment.
H. Control wiring should reference the appropriate wiring
diagram. Control wiring is based upon customer
requirements and installed options.
I. Provide an electrical disconnect switch to the unit if it
is not supplied. During service and maintenance, the
electrical power must be removed.

8
B. Verify the location is free from vibration, which could be
caused by proximity to heavy equipment and the erratic
or improper pumps. Excessive vibration will damage
internal electrical components and cause premature
failure of the UV lamps.
C. Install a drain valve and pipe to drain.
D. Install sample port valves, if equipped.
E. All units are rated for a maximum operating pressure of
120psig (8.24 bar). If your unit has the High Pressure
Modication option (model sufx “HP”), operating
pressure may increase to 150psig (10.34 bar).
F. Ultra pure water users have reported that over time,
exposure to ultraviolet light may photochemically
degrade nonmetallic piping materials, including
most or all uoro-polymers, resulting in a material
breakdown and/or structural failure. Should your
water application and piping material be so classied,
we recommend that you install “UV light traps” to
isolate any susceptible material from direct exposure
to the ultraviolet light. Install the UV light trap to the
inlet/outlet of the UV treatment chamber prior to the
connection of any non-metallic piping.
G. After installation of quartz sleeves, always pressure
test the system prior to installation of the UV lamps.
and applying electrical power. During pressure testing,
DO NOT stand in direct line with quartz sleeves.
H. Before start-up, ush the UV unit and discharge piping
to rinse out debris left from installation.
I. The UV chamber should be lled with water.
INSTALLATION
Should your requirements differ, please contact your local
Aquafine representative or Aquafine Customer Service.

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INSTALLATION
QUARTZ SLEEVE INSTALLATION
The quartz sleeves designed for this series is open on both ends,
for USD/CSL style, on one end. The following are the guidelines
and procedure for quartz sleeve installation.
A. Turn off all electrical power to the unit. Depressurize
the system and isolate all piping. If reinstalling
quartz sleeves, depressurize and drain UV treatment
chamber.
B. Wear clean cotton gloves to prevent contamination of
the quartz sleeve.
C. Carefully remove each quartz sleeve from the factory
packaging. Handle these with care, as they are
fragile.
D. Visually inspect all quartz sleeve for cracks or damage.
DO NOT install damaged quartz sleeves.
E. Remove the socket cover on the end of the treatment
chamber. See Fig A
F. Remove all lamp sockets with a 5/32” hex wrench.
Remove all compression nut 1/4-28” screws with a
3/16” hex wrench. See Fig B
G. If reinstalling, remove existing quartz and UV lamps.
H. Slide each quartz sleeve throughinto the threaded
nipple and slowly push the quartz sleeve into the
chamber to the second end plate . Repeat for all
quartz sleeves.
I. Place the compression nut and O-ring at the end of the
quartz sleeve and push until quartz sleeve touches the
end of the compression nut and hand tighten until snug.
Some pushing and twisting may be required. Deionized
water may be used as a lubricant. See Fig C
J. Tighten the compression nut approximatley 1/2 turn
after the threaded nipple and O-ring make contact.
K. If double ended style, repeat this procedure for the
second end plate.
L. Slowly pressurize the system and ll the chamber
with water to check for leaks, when applicable, beeld
air from the UV unit by opening the plug on top of the
chamber. Replace with suitable valve..
M. If there are leaks in any compression nut assembly,
depressurize the system and use the hex wrench
to slightly tighten the leaking compression nut
assembly.
FIG. B REMOVE SOCKETS AND COMP NUTS
FIG. A REMOVE SOCKET COVER
FIG. C SECURE COMPRESSION NUT
N. Retest until a leak-free installation is veried.
O. You are now ready to install the lamps.

10
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INSTALLATION
DE UV LAMP INSTALLATION
The following procedures are for units manufactured with Double-
ended lamp design prior to 1999.
Once it has been veried that there are no leaks in the system,
the unit is ready for UV lamp installation.
1. Remove all power to the UV unit. Depressurize the
system.
2. Wear clean cotton gloves to prevent contamination of the
UV lamps.
3. Carefully remove each UV lamp for the factory packaging.
Handle these with care, as they are fragile.
4. Visually inspect all lamps for cracks or damage. Do not
install damaged lamps.
5. Using both hands, slowly insert the lamp into the quartz
sleeve by pushing one end of the lamp with one hand about
2” to 3” (51-76mm), while continuing to support the lamp
in a level horizontal position with the other. This is very
important; if not installed properly, lamp or quartz sleeve
breakage will occur. See Fig A
6. Unscrew and pull back the retainer cap from the rubber
lamp socket.
7. Carefully slide the rubber boot portion of the lamp socket
over the end of the lamp. DO NOT insert UV lamps with
opposing retainer cap in place! Verify no portion of the
rubber boot has folded under.
8. Screw the slotted retainer cap clockwise onto the
compression nut, making sure the number on the socket
lead wire and the endplate correspond. See Fig B &C
9. Connect the right side rubber lamp sockets and spring-
loaded lamps socket retainer assemblies onto each lamp,
making sure the numbers on the retainer assemblies match
the numbers beside each steel nipple on the endplate.
10. Carefully pull out each rubber lamp socket from each spring
-loaded socket retainer assembly and push the boot onto
the end of each UV lamp. A slight “snap” should be felt if
done properly.
11. Slide each lamp socket retainer assembly carefully up
and over the rubber lamp socket boot, until the retainer
assembly reaches the male-threaded portion of the
compression nut.
12. Turn clockwise until the socket retainer cap bottoms out
against the compression nut. Avoid overtightening!
FIG. B SCREW RETAINER CAP ONTO COMP. NUT
FIG. A INSERT LAMP INTO QUARTZ SLEEVE
FIG. C IDENTIFIED SOCKET NUMBER
NOTE: Prior to energizing the lamps and ballasts, ensure there
is no leaking onto the quartz sleeves and comp. nut cavity. High
voltage is present at the lamp pins and receptacles of the lamp
connectors during operation. Prolonged ooding of a quartz
sleeve and comp. nut cavity can cause premature lamp failure
due to repeated arcing, overheating of the lamp connector cable
and may result in a meltdown of the cable insulation.

12
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SE UV LAMP INSTALLATION
SE UV LAMP INSTALLATION
The following procedures are for units manufactured with
Single-ended (SE) lamp design. Once it has been veried that
there are no leaks in the system, the unit is ready for UV lamp
installation.
1. Remove all power to the UV unit. Depressurize the
system.
2. Wear clean cotton gloves to prevent contamination of the
UV lamps.
3. Carefully remove each UV lamp from the factory packaging.
Handle these with care, as they are fragile.
4. Visually inspect all lamps for cracks or damage. Do not
install damaged lamps.
5. Using both hands, slowly insert the lamp into the quartz
sleeve by pushing one end of the lamp with one hand,
while continuing to support the lamp in a level horizontal
position with the other. This is very important; if not installed
properly, lamp or quartz sleeve breakage will occur.
6. Twist the lamp into the locking mechanism of the
compression nut. This ensures that the lamp is secure
within the quartz sleeve. See Fig A
7. Each lamp socket is identified with a number that
corresponds to each lamp position marked on the end
plate. Match the lamp socket and connect to the appropriate
lamp. See Fig B
8. The pins in the lamp must be pushed down to t securely
into the lamp socket connector.
9. Rotate and screw the lamps socket cap into place. Only
hand tightening is required. DO NOT OVERTIGHTEN!
See Fig C
NOTE: Prior to energizing the lamps and ballasts, ensure there
is no leaking water into the quartz sleeves and comp. nut cavity.
High voltage is present at the lamp pins and receptacles of the
lamp connectors during operation. Prolonged ooding of a quartz
sleeve and comp. nut cavity can cause premature lamp failure
due to repeated arcing, overheating of the lamp connector cable
and may result in a meltdown of the cable insulation.
FIG. C SCREW RETAINER CAP ONTO COMP. NUT
FIG. A INSERT LAMP INTO QUARTZ SLEEVE
FIG. B IDENTIFIED LAMP SOCKET NUMBER

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INSTALLATION
HT LAMP INSTALLATION
The following procedures are for units High Temperature (HT)
units. Since it has been veried that there are no leaks in the
system, the unit is ready for UV lamp installation.
1. Remove all power to the UV unit. Depressurize the system.
2. Wear clean cotton gloves to prevent contamination of the
UV lamps.
3. Carefully remove each UV lamp for the factory packaging.
Handle these with care, as they are fragile.
4. Visually inspect all lamps for cracks or damage. Do not
install damaged lamps.
5. Using both hands, slowly insert the lamp into the quartz
sleeve by pushing one end of the lamp with one hand,
while continuing to support the lamp in a level horizontal
position with the other. This is very important; if not installed
properly, lamp or quartz sleeve breakage will occur.
6. Place the PVC alignment plate on one end and secure in
place with lock nuts.
7. Guide each lamp into the lamp socket, making sure you
have a rm and complete connection.
8. Place the PVC alignment plate onthe opposite end of the
disinfection chamber and align, making sure you have a
NOTE: Prior to energizing the lamps and ballasts, ensure there
is no leaking onto the quartz sleeves and comp. nut cavity. High
voltage is present at the lamp pins and receptacles of the lamp
connectors during operation. Prolonged ooding of a quartz
sleeve and comp. nut cavity can cause premature lamp failure
due to repeated arcing, overheating of the lamp connector cable
and may result in a meltdown of the cable insulation.
rm connection of all lamps and lamp sockets.
9. Secure the PVC alignment plate into postion with the lock
nuts. Improper connection could cause failure of UV lamp
operating.
10. Place each socket cover near the ends of the disinfection
unit and connect the two fan wires with the two power wires
supplied from the unit base. Secure the socket cover to
the disinfection cabinet with the screws that are provided..
Fig. A High Temperature UV Unit

14
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1. Release the pressure in the UV treatment chamber
before attempting to remove the protective covers
and sealing items.
2. Disconnect all power to the UV unit before servicing.
The unit operates on high voltage and should only be
serviced by qualied personnel.
3. Do not allow the unit to overheat by operating without
water ow. Standard ow rates are based on water
temperatures of 50°F (10°C) to 100°F (38°C). For
applications outside these temperatures, contact
customer service for assistance. In no case should
the water temperature be below 50°F (10°C). For heat
sanitization above 170°F (77°C) up to a maximum
of 194°F (90°C), stainless steel compression nuts
are recommended in place of CPVC compresion
nuts. During heat sanitization, the S-254 probe must
be removed. (Adaptor for maintaining Hydrostatic
seal during sanitization is avilable.) The selection of
elastomers should be condsidered.
4. Intermittent operation is allowed as long as the water
temperature does not exceed 120°F; optional devices
( T-120 or monitoring systems) are available to prevent
this problem. Should the unit be used for batch flow
operations, it can be turned “ON” and “OFF” manually.
Make sure the unit is allowed to warm up for at least 3
minutes before use, and make sure the unit it turned
“OFF” after each session.
5. Do not allow the ow to exceed the maximum rated
capacity.
6. DO NOT electrically cycle the unit more than 3 “ON/
OFF” cycles in a 24 hour period. Cycling more than
this will reduce End-of-Life output and/or premature
lamp failure.
OPERATION
OPERATIONAL GUIDELINES
NOTE: DO NOT look at lighted UV lamps. DO NOT operate the
UV lamps outside of the UV treatment chamber. EXPOSURE
CAN SEVERELY BURN AND DAMAGE EYES AND SKIN!
powering up
A. The UV chamber should be lled with water. The ow
of water for the initial ling should not exceed 50 GPM.
Failure to comply may result in quartz sleeve breakage.
Ensure there are no system leaks and no piping
connection leaks.
B. All earth ground connections are properly made.
C. All lamp connections are properly made.
Prior to turning on the UV unit, the following must be veried:
D. The socket cover is secured to the end of the UV
treatment unit.
E. Verify that all incoming power conductors, including the
ground conductor, are properly terminated.
F. Setting local or remote operation on the controller.
G. If system is set in local operation, pressing the start/
stop key will switch the UV lamps ON/OFF.
H. If the system is operating in the remote mode, the
customer must wire external electrical power to
activate the system. The external electrical power
specied will be based upon the order.

16
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ANALOG CONTROLLER
ANALOG
The following is a description of the LAMP STATUS DISPLAY
featured on your system.
1. UV Lamp Operational Display - To verify the status of
the UV lamps, the LED display gives the operator visual
indication of the lamp status. When the UV lamp is “ON”,
the LED will illuminate. When it is “OFF”, the LED will
not illuminate. Each UL Lamp is numbered at the end of
the treatment chamber and the corresponding LED light
carries the same number on the display panel.
2. Running Time Meter - Each of the units is furnished with
a running time meter that cannot be reset. It is used to
determine the number of hours running of the equipment
and for maintenance. It is very important to record the
running time hours and lamp maintenance.
FIG. A LAMP STATUS DISPLAY ON SL-10A
1. Running Time Meter
2. LED Display
1 2
S-254 uV optical SenSor
In order to monitor the UV intensity of a unit, an optional UV
sensor is available. The option is a two part design; the UV
sensor and control board. The UV sensor is mounted on the
wall of the treatment chamber or on the end plate. The UV
sensor views the UV energy being emitted by the UV lamps
thru the quartz sleeves and the water. As the UV lamps age,
or there are changes in water quality, temperature or quartz
sleeves fouling, the UV sensor will detect the changes.
The S-254 is a discrete photo-optical sensing probe placed in
the treatment chamber, which monitors the relative change in
lamp output through the uid. Initially, when the UV system
is fresh, (clean quartz sleeves, new lamps, etc.) the sensor
is set to 100% at 100 hours of operating the lamps. As time
passes, the sensor reading will decline as the lamps age,
quartz sleeves foul, temperature changes in uid, or there are
changes in the uid quality.
The UV meter assembly and instrumentation set point
potentiometers are located on the front of the electrical enclosure.
The peripheral alarm contacts are accessible on the backside of
the UV unit. A shielded signal cable connects the sensor meter
assembly to the sensor probe. The sensor probe is located in
the senor port tting on the top of the UV treatment chamber in
Double-ended, High Temperature (HT) units and in the end plate
in Single-ended units.
When the sensor has reached a Set Alarm Point, the device will
activate a visual indicator lamp on the sensor and will activate a
SPDT contact. The contact will enable interfacing into a central
monitoring system (PLC, DCS, etc.).
All S-254 UV Optical Sensors are tested and preset at the factory
in free air.
Fig.B S-254 UV Controller
Setting the S-254 UV Optical Sensor
The meter assembly and instrumentation are located on the
front of the electrical enclosure. The meter calibration points are
below the meter and are externally accessible. The peripheral
alarm contacts are accessible from the backside of the meter.
A shielded signal cable connects the sensor meter assembly to
the sensor probe. The sensor probe is located in the sensor port
tting on the to of the UV treatment chamber.

18
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ANALOG CONTROLLER
1. Gradually start at the normal ow rate.
2. Bring the unit up to normal operating pressure
and temperature.
3. Turn the UV lamps for a minimum of 15
minutes.
4. Adjust the sensitivity potentiometer to 100%.
5. Adjust the sensitivity potentiometer to specied
%, determined by lamp type.
6. Adjust the alarm potentiometer until the RED LED
barley illuminates.
7. Set the sensitivity potentiometer back to 100%.
8. Turn the sensitivity potentiometer to specied
%, determined by lamp type; the LED should
illuminate.
9. Turn the sensitivity potentiometer back to
100%.
NOTE: Resetting must be performed after the rst 100 hours of operation
on new UV lamps, both at the time of installation and replacement.
Alarm Contacts
“Normally CLOSED” and “Normally OPEN” alarm contacts
are also provided for use with the user-supplied peripheral
equipment, such as remote alarms of solenoid valves. Dry relay
contacts are rated as follows: 0.52 AMP 120V AC., 0.25 AMP
240V AC.
If your application requires higher contact ratings, use a slave
relay. Connection of peripheral equipment is the responsibility
of the user.
Sensor Alarm
The S-254 UV Optical Sensor provides information about the
relative amount of UV passing through the water. When the
UV intensity falls below the minimum standard due to changes
occurring in the normal operating ow rate, temperature, operating
pressure or quality of the uid owing through the system, the
RED Sensor Alarm light (LED) will turn “ON”. Corrective action
must be taken when this happens to optimize the performance
of the UV treatment unit.
1. Examine your system for any signicant changes
in normal operating conditions.
2. Check if all UV lamps are electrically operating
and/or need replacement.
4-20ma SenSor Signal
The option is available with the S-254 UV Optical Sensor. It
generates a 4-20mA output signal based upon the relative UV
intensity, which may be monitored at a remote panel or control
PC. The customer is responsible for providing an appropriate
4-20mA display instrument and connecting it.
3. Verify the quartz sleeves are clean. If the
fouling of the quartz sleeve is the cause of the
alarm activation, the quartz must be cleaned
and at the same time, the UV sensor probe
quartz window.
t-120 temperature controller
Ultra violet lamps produce heat. The heat within the treatment
chamber must be dissipated to prevent damage to the UV unit
and water systems. Sealing material such as gaskets, o rings,
compression nuts, lamp sockets, UV lamps and UV sensor can
be damaged due to excessive heat. Under normal operating
conditions, the water ow is sufcient to remove heat generated
by the lamps.
As a safety feature, in which there maybe no ow conditions
or intermittence operation, a T-120 temperature control device
maybe installed.
StanDarD unitS:
Typically the temperature device is located on the water
inlet end plate, in some cases it is mount on the treatment
chamber wall. No operator intervention is required. When the
temperature sensor reaches 120°F (49°C), the UV lamps will
automatically switch OFF, preventing overheating conditions.
When the temperature drops below 100°F (38°C), the lamps
will automatically restart.
HigH temperature (Ht) unitS:
When the temperature sensor reaches 170°F (77°C), the UV
lamps will automatically switch OFF, preventing overheating
conditions. When the temperature drops below 150°F (66°C),
the lamps will automatically restart.
This temperature spread prevents excessive START/STOP’s
during no ow conditions and protects the UV lamps and electrical
components from overheating damage.
The temperature probe is located in the inlet riser. No operater
intervention is required other than periodic visual verication
that the UV lamps(s) are operating properly under normal ow
conditions.
The cutoff temperature has been preset at the factory. Should
you require a different set point, please contact Aquane.