Glasco UV GUV C Classic series Manual

ULTRAVIOLET WATER DISINFECTION SYSTEM
OPERATION & MAINTENANCE MANUAL
RESIDENTIAL AND COMMERCIAL
GUV C “The Classic” and GUV C “PLUS”
GUV-C7 (7 GPM), GUV-C10 (10 GPM), GUV-15C (15 GPM), GUV-C20 (20 GPM)
GUV-C7-PLUS, GUV-C10-PLUS, GUV-15C-PLUS, GUV-C20-PLUS
GUV C “CLASSIC” (audible lamp out) GUV-C PLUS (alarms + countdown timer)
Use the chart to record lamp changes to the system:
SYSTEM INSTALLATION DATE:
Lamp should be changed 1 x year (8,760 hours)
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
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Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
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Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
Lamp Change Date:
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Manufactured in the United States by Glasco UV, LLC.

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You will have received the following:
1. Disinfection chamber for GUV-C7/10/15/20
2. Removable cover (2 thumb screws hold cover on)
3. Ballast Power System (BPS) with lamp harness (removable on Plus Series)
4. Quartz sleeve
5. O-rings
6. Compression nuts
7. UV lamp
REPLACEMENT PARTS LIST
Model
Lamp #
Quartz #
Ballast #
O-rings
Compression
Fittings
GUV-C7
L-501414
Q-511014
E-06105B
#2 M-75214O
#2 M-A015CN
GUV-C10
L-524414
Q-511014
E-06110B
#2 M-75214O
#2 M-A015CN
GUV-C15
L-572433
Q-502032
E-06105B
#2 M-75214O
#2 M-A015CN
GUV-C20
L-024433
Q-502032
E-06110B
#2 M-75214O
#2 M-A015CN
GUV-C7-Plus
L-501414
Q-511014
P-07100P
#2 M-75214O
#2 M-A015CN
GUV-C10-Plus
L-524414
Q-511014
P-10100P
#2 M-75214O
#2 M-A015CN
GUV-C15-Plus
L-572433
Q-502032
P-15100P
#2 M-75214O
#2 M-A015CN
GUV-C20-Plus
L-024433
Q-502032
P-20100P
#2 M-75214O
#2 M-A015CN
GUV-C7-SC-+
L-501414
Q-511014
P-07100P-SC
#2 M-75214O
#2 M-A015CN
GUV-C10-SC-+
L-524414
Q-511014
P-10100P-SC
#2 M-75214O
#2 M-A015CN
GUV-C15-SC-+
L-572433
Q-502032
P-15100P-SC
#2 M-75214O
#2 M-A015CN
GUV-C20-SC-+
L-024433
Q-502032
P-20100P-SC
#2 M-75214O
#2 M-A015CN

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1. About Ultraviolet (UV) Disinfection
The technology uses UV light to target and disable disease-causing microorganisms (pathogens). This includes
such waterborne diseases as: E-coli, hepatitis, cholera, dysentery, typhoid fever as well as many others.
Over 100 years ago, scientists discovered that if you exposed pathogens to UV light, their reproduction was
limited. The UV light source that they used, resided in the UVC range of the light spectrum. Specifically, they
discovered that light in the 254 nanometer (nm) range was the most effective wavelength. Today, specialized UV
lamps are used for a variety of disinfection applications.
When water pathogens are exposed to UV light, their cells become damaged and this damage inhibits
reproduction. The UV light, produced by a special UV lamp, damages the cell’s DNA and RNA and once
damaged, they are unable to replicate. This physical process renders them harmless.
The amount of damage is a result of the intensity of the lamp’s UVC output multiplied by the time the water is
exposed to the light. The applied dosage is expressed as milliwatt seconds per square centimeter (mW.s/cm2) or
millijoules per square centimeter (mJ/cm2). Dosages of 30,000 uW.s/cm2 (30 mJ cm2) to 40,000 uW.s.cm2 (40
mJ cm2) are common for drinking water
Using UV for disinfection is a practical and acceptable technology, but do not confuse disinfection with
sterilization. Sterilization means the complete and total inactivation of microorganisms.
When water enters the vessel, it is exposed to UV light. The UV lamp used for germicidal disinfection produces a
portion of its light in the 254-nm wavelength. At this wavelength, UV light destroys bacteria, protozoa, viruses,
molds, algae and other microbes.
The actual lamps are housed in quartz sleeves. Both lamps and sleeves are very fragile and are manufactured
from a special material that allows UV light to emanate. These sleeves not only help maintain maximum
operating temperature, but also prevent the lamps from coming in contact with the water.

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2. Your Disinfection Unit – Pre-Installation
Your American manufactured Ultraviolet (UV) water disinfection system has been tested at Glasco’s
manufacturing facility. The unit is constructed of high quality stainless steel that has been electropolished. The
unit has been hydrostatically pressure-tested to 100 psi (system designed for typical house pressure of 40 psi).
In some cases, a small amount of water may still remain in the vessel from this test. In order to ensure that the
unit works at optimum performance, please follow the instructions outlined in this manual.
The following signs indicate important information:
INFORMATION. Signifies helpful
information.
CAUTION. Indicates a potentially
dangerous situation. Failure to adhere to this warning
may lead to serious injury and or death.
ELECTRIC SHOCK. Indicates risk of
electrical shock, which may cause serious injury and or
death.
EYE PROTECTION. Indicates that eye
protection must be worn to protect from UV light and
debris.
HAND PROTECTION. Indicates that
gloves must be worn to protect the lamps from skin oils
and protect operators from UV light and hazards from
broken lamps or quartz.
2.1. Warnings
UV light is harmful to your eyes and skin. Do not look directly into the light. Always unplug (disconnect
power) your unit before installing or removing a lamp. Your unit may have a green LED light that
indicates that the lamp is operating and or have an audible alarm that will sound in the event of lamp
failure. If the LED goes out, contact your dealer for service. If your unit has an audible alarm and it goes
off, contact your dealer.
Since the unit is run by electricity, please remember to disconnect all power before servicing the
equipment. Failure to do so may result in serious injury or death.
When handling lamps and quartz, use gloves to prevent them from becoming dirty. If they do, wipe them
with alcohol. Oils will block the proper transmission of UV light.

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2.2. Your Water Supply
Since the use of UV generally indicates problems with waterborne pathogens (disease causing
microorganisms), Glasco recommends that you regularly have your water supply tested by water
professionals. In addition to testing the water to see if UV is appropriate, we recommend pre-filtering
systems (softeners, carbon or reverse osmosis) to help remove tastes, odors, minerals and cysts.
This list is the maximum recommended concentration levels to ensure optimum UV performance:
Turbidity: 5 NTU
Color: None
Iron: 0.3 PPm
Suspended Solids: 10 mg/l
Manganese: 0.05 mg/l
pH: 6.5 – 9.5
Hardness: 7 grains
Tannins: < 0.1 ppm (0.1 mg/L)
UV transmission: >75%
2.3. UV Lamp and Effectiveness
Your disinfection unit needs to be maintained. Change lamp on a yearly basis and ensure that the quartz
sleeve is cleaned on a regular basis. Failure to do periodic maintenance will impact your unit’s
effectiveness.
Just because the lamp is “ON” does not mean that it is actually producing the required UV light.
Please change your lamp yearly. Lamps may burn with a blue color for years without producing UV.
Lamps need to be recycled because they contain mercury. Many town recycling centers have the ability
to collect fluorescent lamps. Further information can be found at www.lamprecycle.org .
2.4. Flow Rate
UV disinfection systems are selected based on a specific flow rate. Small homes may use a 7 or 10-gpm
unit, while larger homes may use a 15 or 20-gpm unit. In order to work effectively, you may need to
install a flow control device.
Some installations find that the device limits water pressure and therefore do not use. In many
cases, home pressure will not exceed UV unit’s designed flow rate.
This device attaches to the inlet and controls the water that enters the system. Note: your system may
have come with a flow controller. It will look like a brass washer with a rubber fitting (needs to put into the
inlet side). Failure to use a flow control (available at most plumbing supply stores) may reduce the
effectiveness of your disinfection unit.
2.5. Inspection
Ensure that lamps and quartz have not been broken. Use gloves when handling lamps and quartz
sleeves to prevent them from becoming dirty. Dirt and skin oils will impact the UV output.
Warranty information has been attached. Please fill it out and send back to manufacturer or dealer. This
warrantees the chamber for 7-years and electrical components for 1-year.

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2.6. Electrical Requirements
The electronics aka Ballast Control Systems (BCS) have been designed to work with standard power
supplies. Since the unit is susceptible to power fluctuations, we recommend that the system be kept off
any lines where there are surges and that it have a dedicated GFI outlet and a surge strip. Systems will
come with plugs, which require no “hard wiring”. Please look at the nameplate for Voltage, Cycle and
AMP draw.
The electronics are attached to the unit on a power plate. The plate is comprised of a ballast (an
electronic device that regulates power to lamp), alarms and a lamp harness.
Unit should be grounded.
GUV C Classic – Electronics on the unit come with audible and visual lamp out alarms.
GUV C CLASSIC PLUS – Electronics are under the cover. The displays can be seen through the cover. To
reset or silence the alarms, following the instructions on the front label. Basically, push button to scroll through
options, once at the appropriate option, hold button to reset.

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2.7. Location of Unit
UV disinfection works best when it is installed closest to point of use. Your unit may be installed under
the sink or where the water enters the building. In either case, we recommend that shutoff valves be
installed before the inlet and after the outlet. This allows for easier yearly servicing and allows you to shut
off the water supply if you have a problem with the unit.
When installing, remember that you will need to be able to remove lamps and quartz as part of a
maintenance schedule. Allow yourself enough room to accomplish these tasks. Unit can be mounted
vertically or horizontally. Inlet and outlet can face up or down.
Prior to plumbing the unit, the system needs to be mounted to a beam or to a wall. This can be
accomplished by screwing in the unit at the holes provided:
The inlet and outlet are inter-changeable.

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3. Your Disinfection Unit – Installation
If you are attempting to install the unit by yourself and you have questions, please call your water quality or
plumbing professional. Improper installation can cause potential water damage to your property and can also
reduce the effectiveness of the UV disinfection system.
Recommended Supplies:
•Screws to fasten the unit into place
•Teflon tape to ensure quality sealing
•Shutoff values for both the inlet and outlet
•Unions before and after the unit
•Drain spigot
Always The UV unit will hold water pressure. The system needs to be drained if left
for prolonged periods where freezing may occur. Frozen pipes will burst the UV system and create a flood,
which will damage property.
The unit’s cover, protects the owner from UV light and glass if the system were to ever have a catastrophic failure
(quartz sleeve breakage – under pressure the quartz could become damaged, break and shoot out of the unit.
This can lead to severe injury. When working on the UV unit also ensure that there is no pressure to the unit.
Also check to ensure that the oring seals are always hand tightened.
3.1. Quartz for Open-ended Units (creating a watertight unit)
System has openings on each end of the unit. The quartz will also have openings on both ends.

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The unit will have come with compression nuts that are in place and hold O-rings. Remove the nut and
the O-ring.
Insert the quartz into the unit. Use your fingers on both sides to guide it into place. Move the quartz so it
comes out of the unit at equal lengths on both sides. (Note: Quartz is usually already inserted in GUV-
C7/10 upon shipping)
Making sure that the O-ring is sitting properly in the compression nut, loosely hand tighten each nut into
place. Before tightening, re-check to ensure that the quartz is extending equally out of each side. You
can do this by inserting your fingers on both sides and judging the appropriate distance. Once done,
tighten until you have a secure fit. Create a tight seal, but not too tight as you may crack the quartz.
Now that it is in place, you can test the unit to see if it is watertight. Slowly pressurize the unit by allowing
water to run through the unit for five minutes. As this is happening, check to see if the seal is dry. If it is
not, you will need to redo the seal. If it is dry, you are prepared for lamp installation.

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Always ensure that the UV unit is de-pressurized before doing any work on
the compression fittings. Never position yourself in front of the quartz sleeves when the system is under
pressure. The quartz sleeve can become a projectile and shoot out of the vessel if damaged under
pressure.
A damaged quartz sleeve can cause a potential leaking problem. An unchecked leak can lead
to severe flooding.
3.2. Installing the Lamp
Carefully slide the lamp into the quartz (dropping the lamp can break the quartz). Once it is in place,
connect the lamp to the socket. When you have done that, put the cover back on and power on.
4. Maintenance
As noted in this manual, your lamp needs to be replaced on a yearly basis. The quartz sleeve may
have to be cleaned on a more frequent basis depending on your water quality.
The quartz may have “build up” on it. This build up is generally from hardness and minerals in the
water (calcium, magnesium, iron, manganese). If it does, clean it with soap and water. If the quartz is
stained, use a product like CLR™or Lime Away™(both available at the grocery store). A standard
green scouring pad can be used. Do not worry as this will not scratch the quartz.
When you remove the quartz, please follow the same instructions as above to re-install. Track you
maintenance record on the front page of this manual.
For the CLASSIC PLUS System, you will need to reset the lamp change reminder or use the silence
alarm reset button.

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5. Operation Status, Alarms & Instructions on how to Reset alarms
5.1. CLASSIC
The GUV-C Classic comes with an audible and visual lamp status alarm. In the event of a lamp
out, the audible alarm will sound. The unit’s visual alarm is located on the system beneath the
protective cover.
(Green light aka LED indicates lamp is on), the LED will go off when the lamp goes off. If this is the
case, have your water professional check to see if the lamp needs to be replaced. When alarming,
the water may not be safe to drink.
If the lamp is working, suspect that Ballast Power Center needs to be replaced.
5.2. CLASSIC PLUS
The GUV-C Classic PLUS comes with a countdown timer as well as an audible and visual lamp
status alarm. In the event of a lamp out, the audible alarm will sound. The unit’s visual alarm is
located on the system beneath the protective cover.
(Green light aka LED indicates lamp is on), the LED will go off when the lamp goes off. If this is the
case, have your water professional check to see if the lamp needs to be replaced. When alarming,
the water may not be safe to drink.
5.2.1. CLASSIC PLUS RESET
Part numbers: E-06055B, E-06055B-U, E-06050B, E-06050B-U
Features:
•LED Lamp Status Indicator – Green = Operational, Red = Lamp Failure
•Audible alarm for lamp failure – constant sound
•Displays lamp life remaining
•Displays total operation time (days)
•120-240V. 50/60 Hz power input
•Optional powered solenoid output for lamp failure

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The Ballast Control Center (BCC) tracks the total number of days in operation and counts down the 1-year
lamp life remaining in days. After initial installation the green LED will indicate the lamp is operating. In the
event of lamp failure the red LED will illuminate and an audible alarm will consistently sound until the situation
is corrected. Also upon initial installation the system will display “365” for the number of lamp life days and
count down. If the push-button is depressed the display will change to show the total number of days in
operation and will go back to lamp life remaining after a few seconds. Once the countdown reaches “0” days
the controller will display “A3” on the display and an audible chirp will sound indicating the useful lamp life has
expired. The audible alarm can be deferred up to 4 times by depressing the push button. This action will set
the countdown to an additional 7 days. After the final deferral has been reached to silence the controller the
UV lamp has to be replaced and the countdown time manually reset. To manually reset the timer, follow the
steps below:
1. Disconnect power to the system
2. Remove expired lamp from the system
3. Depressurize, drain chamber and inspect clean the quartz sleeve if necessary.
4. Reassemble quartz sleeve, pressurize and inspect for leaks.
5. Install new UV lamp and securely attach lamp connector.
6. Power the system back up
7. Push and hold the push-button for ~ 10 seconds
8. While still holding the system will flash “reset”, beep and the display will change to “365”
9. Release button and the controller will resume normal operation counting down the new lamp life
remaining.
6. Recommendations, General Information and Reminders
•Use a licensed plumber or qualified water professional to do the installation.
•Check the unit on a regular basis to see if the lamp is on (the green LED indicator will tell you if
the lamp is working).
•When first installing the unit, you will need to make sure that all plumbing after the
unit has been sanitized. This will make sure that all microorganisms have been destroyed
(pathogens can live in pipes). Plumbers often fill the UV chamber with disinfectant (household
bleach) and flush out the pipes. They do this by opening all spigots and allowing the
disinfectant to run its course through the pipes. Once detected, the disinfectant should be
allowed to reside in the pipes for 30 minutes. Professionals should do this because many
disinfectants can be harmful or fatal if swallowed.
•Install carbon filters, softeners and reverse osmosis systems BEFORE the UV system. These
types of filters can breed microorganisms.
•Use a flow control device that is rated for your unit’s GPM flow rate (7, 10 and 15 gpm come
standard).
•Always disconnect power before working on system.
•Always depressurize the system before performing maintenance.

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7. Options (NEED TO BE REQUESTED PRIOR TO SHIPMENT)
Your system may have come with optional equipment. If it did, instructions for these options are
attached.
7.1. UV Monitoring
While the Classic and Classic PLUS system are considered “basic”, you do have an option to
add a UV monitoring system (factory enhancement). Glasco UV does have units that are
available with more options. The SHIELD Series offers options: quartz sleeve cleaner, UV
monitor, solenoid, remote alarms.
7.2. Automatic Shut-off Valve aka Normally Closed Solenoid
Your system may have come with an optional automatic solenoid valve.
The CLASSIC PLUS has the ability to connect to a solenoid shut off valve. In the event of lamp
failure, the UV system would trigger a normally closed valve to shut off water. When ordering
with a solenoid, system will be pre wired as an option.
The CLASSIC can use a solenoid, but it would have to work with an optional UV Monitor.
This device will stop the water flow if the UV lamp goes out or if the UV intensity falls. It is
considered a “normally closed” valve. This means that when there is no power to it, it closes.
This will occur during a power outage or lamp failure.
The solenoid will work off of a signal from the ballast, which indicates lamp out. If the lamp fails,
then the solenoid will shut off the water supply.
The solenoid will also work off of a signal from an OPTIONAL UV monitor, when the UV
intensity has fallen to an unsafe level. In the event of water stoppage, you will need to correct
the problems.
Reasons for stoppage include: Power failure, Lamp is out, Ballast is out, UV lamp is failing,
Solenoid is damaged
There is a manual override on some of the valves. Call your water professional in case of an
emergency. The manual valve is a white toggle switch. In order to open the valve, it must have
power. This is generally provided by the UV system, but in emergencies, power can be brought
directly to the valve by plugging it in to a 120-volt outlet.

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The main power box control will have leads for attaching the solenoid. These leads will need to
be connected to the leads on the actual solenoid valve. The solenoid will have come with
connectors.
The solenoid valve will have an arrow on it indicating flow direction. Please install the solenoid
so that the path of the water goes with the arrow.
5 MICRON PRE FILTER
WATER STORAGE PRESSURE TANK OR (CITY WATERSUPPLY)
HOT WATER
TANK
HOT WATER SUPPLY
COLD WATER SUPPLY
BALL VALVE
UNION
BALL VALVE
UNION
GFCI PROTECTED CIRCUIT
ULTRAVIOLET PURIFIER
UL:TRAVIOLET POWER SUPPLY
ALLOW SPACE TO
REPLACE LAMP & QUARTZ
UNIT CAN BE MOUNTED HORIZONTALLY, VERTICALLY, UP SIDE DOWN, INLET AND OUTLET ARE INTERCHANGABLE

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WARRANTY REGISTRATION
MODEL NUMBER/TYPE: ____________________________
DEALER NAME:______________________________________________________
PURCHASE DATE:_________________________
NAME:____________________________________________________________________________
ADDRESS:_________________________________________________________________________
CITY:__________________________ STATE:__________ POSTAL CODE:______________
COUNTRY:_______________
PHONE:_______________ EMAIL:__________________________
Please fill out the above information and forward it to your dealer or to Glasco UV LLC. This will provide you with
a 7-year warranty on the stainless steel chamber and a 1-year warranty on the electrical components. UV lamps
are warranted for 30 days. After the initial 30 days of operation, replacement or refund will be pro-rated based on
the expected lamp life of 9,000 hours.
In addition, this may allow your dealer to remind you when it is time to replace your lamp and quartz.
Conditions and Exceptions:
This limited warranty applies to equipment that has been installed and maintained according to the instructions in
this manual. Glasco UV LLC is not responsible for damage due to improper use, operation, installation or
unauthorized repair. The warranty is exclusive to the original Owner with respect to the original installation.
This warranty needs to be received by Glasco UV LLC within 25 days of initial operation. The warranty applies to
replacing defective equipment. The limited warranty applies to systems that are returned to the factory at the
owner’s expense and in accordance with Glasco UV’s shipping instructions.
Glasco shall have no liability hereunder, either direct or contingent, for any incidental or consequential damages.
Glasco recommends that you use pre-filters, flow-control devices and inspect the lamp to ensure that it is
functioning. Glasco UV recommends that you test your water source periodically to ensure that it microbial safe
to consume.
126 Christie Avenue
Mahwah, NJ 07430
[phone] Fax [phone]
[e-mail]
www.glascouv.com