Bradford White VR-1000-(kW) Скачать руководство пользователя

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WARNING A

If the information in this manual is not followed exactly, a fire or explosion may result

causing property damage, personal injury or loss of life. Do not store or use gasoline or

other flammable vapors and liquids in the vicinity of this or any other appliance.

Содержание VR-1000-(kW)

Страница 1: ...ronic components to the storage tank and related piping is not covered by the manufacturer s warranty Under no circumstance will the manufacturer be liable for consequential damages resulting from the installation or use of this equipment Correct installation procedures and local codes must be adhered to SPECIAL INSTRUCTIONS TO OWNER WARNING Improper Installation Adjustment Alteration Service or M...

Страница 2: ...is manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance 3 ...

Страница 3: ...mersion Thermostat 13 Temperature Regulation 13 Risk of Scald Warnings 14 Temperature Control Sequencer 14 Display 16 Temperature Adjustment 17 Error Messages 18 Temperature Limit Control 18 Immersion Heating Elements 19 Safety Door Lock 19 Low Water Cut Off 20 Low Water Pressure Switch 20 High Water Pressure Switch 20 Manual Limiting Switches 20 Time Clock 21 Pilot Lights 21 Alarm Bell 21 Start U...

Страница 4: ...ty Codes that apply to this installation Consult local codes officials and electric utility company to authorize and inspect all field installed electrical connections CAUTION Be sure to turn off power when working on or near the electrical system of the water heater Never touch electrical components with wet hands or when standing in water When replacing fuses always use the correct size for the ...

Страница 5: ...UL in Canada as testedundertheStandardforConstructionandTest of Electric Storage Tank Water Heaters CAN CSA C22 2 No 110 M90 All water heater storage tanks conform to the latest edition of the ASME Boiler and Pressure Vessel Code SectionIv INSTALLATION PROCEDURE LOCATION OF UNIT 1 Locate the appliance so that if water connections should leak water damage will not occur When such locations cannot b...

Страница 6: ... must not go below 32 F 0 C or above 104 F 40 C CAUTION Installation of the water heater should be accomplished in such a manner that if the tank piping or any connections should leak the flow of water will not cause damage to the structure For this reason it is not advisable to install the water heater in an attic or upper floor When such locations cannot be avoided a suitable drain pan must be i...

Страница 7: ...n and performance NOTE When using copper tubing solder tubing to an adapter before attaching to the threaded nipple connection provided on the water heater Soldering directly to the threaded connection may harm a lining in the nipple or damage the tank lining Inlet and out let connections For ease of service install dielectric unions on the cold water inlet and hot water outlet of the water heater...

Страница 8: ...ater manually discharged from the relief valve will not cause bodily injury or property damage THERMAL EXPANSION OF WATER A relief valve that discharges periodically may be due to thermal expansion in a closed system A water heater installed in a closed system such as one with a backflow preventer or check valve an installed in the cold water supply shall be provided with means to control expansio...

Страница 9: ...ould be connected with a separate grounded branch circuit with over current protection and disconnect switch The water heater should be grounded in accordance with national and local codes A ground terminal is provided for ground connection only 6 Provide the appliance with proper overload protection in the branch circuit It is suggested that the electrician size the branch circuit at 125 percent ...

Страница 10: ...commercial electric water heater is equipped with the following as standard equipment Low watt density immersion heating elements with an incoloy sheath Internal fusing of all elements in a maximum of 48 amp increments provides additional safety Fuse cartridges are related at 1 000 000 amps interrupting capacity A painted enamel steel outer jacket and electrical control panel are provided Channel ...

Страница 11: ...ater when it is not filled with water Pilot lights Monitor on off cycle of contactors Manual limiting switches with indicating lights to permit heater kW input to be manually limited as desired Temperature and pressure gauges are available installed flush with the jacket to monitor heater performance Electronic step controller module provides electronic thermostat control Safety door interlock pre...

Страница 12: ...t is also fused on both the primary and secondary sides of the control circuit transformer CONTACTORS The power to the immersion electric heating elements is switched by a definite purpose magnetic contactor The contactor is supplied with 120 VAC from the control circuit when the immersion thermostat senses a drop in stored water temperature below the desired set point A magnetic coil in the conta...

Страница 13: ...he knob clockwise increases the set point The temperature setting shown at the top of the knob is the selected set point The immersion thermostat has a fixed 6 F 3 3 C differential TEMPERATURE REGULATION WARNING HAZARD OF ELECTRICAL SHOCK Before opening the electrical access panel to adjust the thermostat make sure the electrical supply to the water heater is turned OFF DANGER Full power is presen...

Страница 14: ...NOFF OR DISCONNECT THE ELECTRICAL SUPPLY AT THE MAIN POWER DISCONNECT EXTERNAL TO THE APPLIANCE DANGER Water temperature over 125 F 51 7 C can cause severe burns instantly or death from scalding Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at heating appliance Feel water before bathing or showering If this appliance is used to...

Страница 15: ...PERATURE STEP MODULE The water heater uses an optional adjustable electronic temperature control to provide staged ON OFF control of the electric heating elements Operation is based on temperature input from an immersion temperature sensor The sensor is a positive coefficient platinum thermistor The sensor is placed in a well located above the heating elements it is controlling A liquid crystal di...

Страница 16: ... must be replaced before the power is turned on and the water heater is returned to service CAUTION Disconnect the main power top the heater before opening the element access panel to reset the high limit control NOTE The high limit control will not re set until the water temperature has dropped below the set point of the high limit IMMERSION HEATING ELEMENT WARNING HAZARD OF ELECTRICAL SHOCK Befo...

Страница 17: ...ng element installed in the highest point in the storage tank If the internal water level drops below this point the low water cut off will shut down operation of the heating elements An electronic type low water cut off is available as a factory supplied option on all models The optional electronic low water cut off has an LED located on the main circuit board This LED will be illuminated and the...

Страница 18: ...on and off with a pre set schedule The time clock may be specified with a 24 hour scheduling period or with a 7 day scheduling period By the adjustment of the set points on the time clock the water heater may be turned off when hot water is not needed or in periods when the building may not be occupied The time clock allows the water heater to automatically cycle on in advance of the time when hot...

Страница 19: ...the safety function or multiple safety functions that the alarm bell will sound on when the water heater is ordered from the factory The alarm bell typically is used to indicate a low water condition or a high water temperature condition The alarm is furnished with a silencing switch to turn off the audible alarm while trouble shooting a control sensed malfunction that is indicated by an audible a...

Страница 20: ...hermal expansion of heated water Consult your local plumbing contractor and plumbing wholesaler for assistance in properly selecting an expansion tank for your system As the water heater operates there may be noises generated by the expansion and contraction of the metal parts of the water heater and related piping These noises may occur during periods of heat up or cool down They do not represent...

Страница 21: ...NOTES 22 ...

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