Electra DELTA 21ST Manual de instalación descargar pdf (Pagina 14)

17.2 Do I Need To Turn My EP Unit Off When I Clean My Filter? - No, the flow sensing pressure switch

that is part of your EP unit will automatically shut the UV bulb off until proper water flow inside the EP unit is

re-established. Should you need to turn your unit off for any reason, this is accomplished by simply unplug-

ging the EP unit from its power outlet.

17.3 Will A Time Clock On My Pool Shorten My Bulb Life? - Some shortening of the bulb life can be

expected when the EP unit is turned off and back on frequently. However, a daily on/off cycle will not create a

major bulb life issue. Frequent on/off cycles should be avoided, however.

17.4 Is There Any Residual Effect From UV? - No, UV light is used as a control and is applied only to the

water that passes inside the EP wet chamber in visual contact with the UV transmission from the UV bulb.

17.5 Can The EP Unit Be Mounted Horizontally? - No, vertical mounting is required to maintain the

weatherproof integrity of the electrical enclosure bonnet.

17.6 Can The EP Unit Be Installed Below The Pond or Pool Waterline? - The EP unit has a pressure

switch that controls the on/off cycle of the UV bulb when the pump stops or starts. If the EP unit is installed,

as an example, in a vault below the waterline of the pond or pool, a static head of water pressure may be

sufficient to cause the pressure switch to remain closed, which means that the UV bulb will remain lit at all

times the EP unit is plugged into its power source. Contact Delta UV or your supplier for a different type of

pressure switch (Part # 70-02301) that can be adjusted to allow for this static water pressure in the EP wet

chamber. Installation of this type of pressure switch takes only a few minutes and will restore the desired

ability of the bulb to be turned off automatically when pumping is interrupted. DO NOT OPERATE YOUR

UNIT WITHOUT A PROPERLY WORKING PRESSURE SWITCH. To check your switch to see if it functions

properly, follow the instructions given in Sec. 18.

17.7 Can Multiple Units Be Used Together For Larger Systems? - Yes, you can add any number of EP

units to a plumbing bypass manifold system to allow for larger outputs and flow rates beyond the capacity of

a single EP-40 unit. Delta UV also manufactures a large capacity system, the Elektra® Max UV system,

that incorporates factory installed hydraulically balanced piping and multiple tanks contained within a metal

enclosure. The Elektra Max system features the latest technology in high output UV bulbs, dubbed Amalgam

bulbs. Contact Delta UV or your supplier for information on the Elektra Max product line, or to obtain a

drawing showing the proper method of plumbing multiple EP units for larger applications.

17.8 Must I Use A GFCI (Ground Fault Circuit Interrupter) With My UV Unit? - Yes. A 15 Amp 120V GFCI

can be factory installed in your EP unit at time of manufacture (optional), or you can install it in the electrical

receptacle that is used to power your EP unit, or you can install it in the electrical panel (GFCI breaker) that

services the electrical circuit of your EP unit. If you want to install the field retrofit weatherproof cord connected

GFCI, it is easily installed on the end of the EP unit’s electrical power cord. Installation is simple and takes

only a few minutes by following the simple directions supplied. No special tools are required. You can order

the cord connected GFCI kit (Part # 70-09012) from your supplier or from Delta UV.

18.0 Troubleshooting - The list below will help guide you through any problems you may have at time of initial

installation or in the future. For additional assistance, contact your supplier or Delta UV at the address, email, fax, or

phone shown at the end of this manual.

18.1 The UV Bulb Will Not Light - If this occurs upon initial start-up, the problem could be caused by a

number of issues.

a. The pressure switch is open. This is caused by low pressure in your system. Make sure the pump

is on (the bulb will only light when there is 5 PSI water pressure inside your EP unit’s wet chamber.

Verify that the pressure gauge reads 5 PSI or more. If it does not read at least 5 SPI, reduce flow

exiting the EP unit by partially closing the valve on the discharge piping exiting the EP unit. This will

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