PVI DURAWATT Series Скачать руководство пользователя страница 18 | Manualshive

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DURAWATT

®

ELECTRIC WATER HEATERS

PV500-6 05/13

18

PVI INDUSTRIES

®

, LLC



3209 Galvez Ave.



Fort Worth, Texas 76111



1-800-433-5654



www.pvi.com

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Содержание DURAWATT Series

Страница 1: ...AD AND FOLLOW THE INFORMATION IN THIS MANUAL AND ALL OTHER PROVIDED INSTRUCTIONS LABELS AND MARKINGS BEFORE INSTALLING OPERATING OR SERVICING THIS UNIT TO THE INSTALLER After installation these instructions must be given to the equipment user or left near the appliance SPECIAL INSTRUCTIONS TO THE OWNER Retain this manual for future reference These instructions contain important information that wi...

Страница 2: ...stible Surfaces 3 8 Electronic Low Water Cutoff 4 Optional Equipment 4 1 Shunt Trip Circuit Interrupter 4 2 Time Sequencer 4 3 Proportional Sequencer 5 Start up Procedures and Operation 6 Element Continuity Checks 7 Maintenance 7 1 Flushing 7 2 Draining the Tank 7 3 Sediment Lime Scale Removal 7 4 T P Relief Valve 7 5 Low Water Cutoff 7 6 Electrical Connections 7 7 Replacing Electric Elements 7 8 ...

Страница 3: ...agency or qualified electrical contractor WARNING Installation and service must be performed by a qualified installer service agency or qualified electrical contractor who must read and follow the supplied instructions before installing servicing or removing this appliance Refer to the information contained in this manual Improper installation adjustment alteration service or maintenance can cause...

Страница 4: ...THE PHYSICALLY HANDICAPPED HOSPITALS AND NURSING HOMES ELDER CARE FACILITIES AND REST HOMES ORPHANAGES AND CHILD CARE FACILITIES OTHER INSTALLATIONS WHERE RESPONSE TO CONTACT WITH HOT WATER MAY BE SLOWER OR WHERE THE DANGER OF HOT WATER CONTACT IS GREATER Thermostatically controlled mixing valves must be used in the design of the potable hot water system Potable hot water should be tempered to no ...

Страница 5: ...DURAWATT ELECTRIC WATER HEATERS PV500 6 05 13 5 2 PRODUCT DESCRIPTIONS Without 23 Diameter Tank Access FIGURE 1 With 23 Diameter Tank Access FIGURE 2 ...

Страница 6: ...connecting wire 3 Use proper wire size for the ground connection Attach to the bottom ground terminal connection on the terminal block assembly marked with decal GR 4 Connect supply feeders to the distribution block or circuit interrupter if furnished inside the electrical enclosure on the heater IMPORTANT Check all wiring connections in heater and element enclosure to assure tightness prior to en...

Страница 7: ...ombustible material is 6 from the top sides and rear and 24 from the front Distance minimale aux matériaux combustibles est de 15 cm sur le dessus les côtés et à l arrière et 61 cm à l avant et ne doit pas être installé sur un plancher combustible 3 8 Electronic Low Water Cutoff The device consists of a probe in the tank that acts as a switch open when submerged in water and closed when the water ...

Страница 8: ...ge for a long period of time If leaks are present tighten all four nuts uniformly on the element mounting flange in a criss cross pattern Tighten one nut then the nut on the diagonal from the first nut Next tighten the nut adjacent to the second nut and then the nut diagonal from the third nut Repeat this sequence until all nuts are tight Each nut should be tightened to 15 foot pounds of torque To...

Страница 9: ...ting and Operating thermostats should be set minimum 10 F higher Le thermostat est réglé à environ 49 degrés Celsius Températures de l eau supérieures à 52 degrés Celsius peut causer instantanément de graves brûlures ou la mort de brûlures Suivez les instructions dans le manuel d installation et de maintenance pour modifier la température de l eau 9 If an optional proportional sequencer is furnish...

Страница 10: ...the element should be replaced B C 40 60 60 C A 40 60 18 480 A B 26 78 B C 26 39 39 C A 26 39 18 380 A B 17 50 B C 17 25 25 C A 17 25 18 240 A B 7 20 B C 7 10 10 C A 7 10 18 208 A B 6 16 B C 6 8 8 C A 6 8 9 600 A B 80 240 B C 80 120 120 C A 80 120 9 480 A B 52 154 B C 52 77 77 C A 52 77 9 380 A B 33 98 B C 33 49 49 C A 33 49 9 240 A B 14 40 B C 14 20 20 C A 14 20 9 208 A B 10 30 B C 10 15 15 C A 1...

Страница 11: ...AL THREE PHASE WIRING FIGURE 4 FIGURE 6 TYPICAL WIRE TERMINATIONS FIGURE 5 FIGURE 7 FIGURE 8 REQUIRED WIRE SIZE Contactor Fuseholder Wire Size 600V 30A 10 AWG 300V 60A 6 AWG 600V 60A 6 AWG TORQUEING REQUIREMENTS Wire Size Terminal Type In lbs 10 AWG RING 25 10 AWG BOX 35 6 AWG BOX 45 ...

Страница 12: ...11 11 4 5 kW 480V 5 1 2 5 1 2 18 kW 380V 28 28 9 kW 380V 14 14 4 5 kW 380V 7 7 18 kW 240V 44 44 25 75 9 kW 240V 22 22 13 38 4 5 kW 240V 11 11 6 18 18 kW 208V 50 50 29 87 9 kW 208V 25 25 15 44 4 5 kW 208V 12 1 2 12 1 2 7 22 TABLE 2 NOTE Elements are usually wired to contactors in groups in order to maintain an amperage draw of close to but not more than 50 amps per contactor Applications for 600V m...

Страница 13: ...an extended shutdown it is suggested the drain valve be left open during this period 7 3 Sediment Lime Scale Removal Waterborne impurities consist of the particles of soil and sand which settle out and form a layer of sediment on the bottom of the tank and adhere to heat exchange surfaces The amount of calcium carbonate lime released from water is in direct proportion to water temperature and usag...

Страница 14: ... repair or replace pitted points caused by foreign particles Check fuses periodically for continuity and replace if necessary with the same type and rating 7 7 Replacing Electric Elements Some electric heating elements installed in dished heads may be factory bent to allow clearance from adjacent elements Replacement elements must be identical to the original equipment installed The Bend Angle Sta...

Страница 15: ...y of the scale buildup is also determined by the watt density of the element It is good maintenance practice to remove and clean 80 W in 18kW density elements on a monthly basis The interval between removal and cleaning can usually be extended to six months when 40 W in 9kW density elements are installed Most installations where 20 W in 4 1 2kW density elements are used require only annual cleanin...

Страница 16: ... Consult local PVI representative Hot water lines not insulated Add insulation it will protect against heat loss and save on cost of operation Power fuse s blown Check fuses for continuity Replace if blown If blown determine cause of break before replacing with same type fuse Contactor s not closing Check coil for continuity If defective replace Thermostat s not correctly set Check to assure prope...

Страница 17: ...DURAWATT ELECTRIC WATER HEATERS PV500 6 05 13 17 ...

Страница 18: ...DURAWATT ELECTRIC WATER HEATERS PV500 6 05 13 18 PVI INDUSTRIES LLC 3209 Galvez Ave Fort Worth Texas 76111 1 800 433 5654 www pvi com ...

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