美国百来福家用电热水器安装使用说明书

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国百来福家用电热水器安装使用说明书
本热水器必须按照当地有关规定和本安装说明书进行安装,否则保质期无效。由于没有遵守本《安装使用说明书》所造成的损失,制造商不承担任何责任。在开始安装使用前,请务必阅读本《安装使用说明书》。
放置热水器的位置:
选择靠近水管和电源的水平地面放置热水器。不能把热水器放在水管可能被冷冻洁冰的地方。建议把热水器放置在需要热水最多的地方的附近位置,以减少热量在管道中的消耗。放置热水器时,要使得热水器的面板和排水阀朝向容易操作的方向。
热水器必须放置在不会因热水器或管道泄漏而对热水器和地面造成损害的地方。如果实在找不到这种位置,那么必须在热水器的底部安装一个排水盘。这种排水盘深度最少必须是38mm,长度和宽度最少必须比热水器大51mm,并且必须有一个管道将排水引向适当的排水口。
注意:
不要把热水器放置在使用或储存汽油或其他可燃气体、液体、材料或其他类似物品附近的地方。
注意:
在安装热水器之前,关闭主供水阀门,打开水龙头将住宅内的水压释放掉,然后关闭水龙头。
注意:
在热水器储水罐灌满水之前,不要打开电源开关。在往热水器储水罐注水的同时,把热水水龙头打开,使得热水管道中的气体能够排泄出来。如果热水器内没有足够的储水量,电热元件可能会被烧坏。
注意  注意,本热水器产生的热水温度很高,可能会对烫伤人体。在使用本热水器之前,请详细阅读本《安装使用说明书》。
立式热水器:请参阅图1
这种类型的热水器的热水和冷水连结口位于热水器的顶部。采用管道接头将热水和冷水管道连接到热水器的热水和冷水的螺纹接头上。在剩下的螺纹接头上安装额定温度/水压的安全阀。

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图1
实用型热水器:请参阅图2
这种类型的热水器的热水和冷水连结口位于热水器的侧面。采用管道接头将热水和冷水管道连接到热水器的热水和冷水的螺纹接头上。在热水器侧面的开口位置上安装额定温度/水压的安全阀。在冷水进水管上安装一个反虹吸的真空安全法。

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图2 危 险 !

水温超过52℃可能立即对人体造成伤害,导致严重烫伤甚至死亡。
热水对小孩、残疾人和老人特别危险。
在人工设定热水器水温之前请仔细阅读说明书。
在浴缸浸泡或淋浴之前先用手感觉一下水温是否合适。
备有温度限制阀,有关详细情况请阅读手册。
柜式热水器:请参阅图3
这种类型热水器的热水出水口和冷水进水口位于热水器的面板后部。将橱柜的珐琅搪瓷顶盖往前拉,把橱柜顶盖拆卸下来。在拆卸橱柜珐琅搪瓷顶盖要小心,避免碰伤珐琅搪瓷表面。把四个前面板螺丝和两个顶部法兰上的螺丝卸下来。检验排水阀,确保排水阀处于关闭状态。通过顶部玻璃纤维绝缘层可以连结管道和电源。使用如图所示的弯管、螺纹接头、管道接头连接冷水进水管和热水出水管。在冷水进水管上安装一个关断阀。在剩下的螺纹接头上安装额定温度/水压的安全阀。

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图3
如果没有安装和维护一个新的、经过认证合格的3/4"×3/4"降温减压安全阀,由此产生的因过热或超压而造成的后果,制造商将不承担任何责任。
除非当地有关规定有要求,否则不需要安装止回阀或防止水倒流的类似装置。一个封闭的系统将导致安全阀频繁操作。
注意:
为了避免热水器过热或超压所带来的危险,当地有关规定可能要求安装过热和超压保护装置,但是,至少也要安装一个由国家推荐的检验实验室认证的降温减压安全阀,并且在使用过程中,要对这些合格的装置进行定期的检查和维护,确认符合美国燃气协会发布的《美国热水供应系统自动燃气关闭装置安全阀规定》中的ANSI Z21.22要求。这种安全法必须标注不能超过的最大设置压力和热水器的最大工作压力。这种阀门每小时排放高温蒸汽BTU的能力必须超过热水器每小时产生热量的能力。 在热水器上用于安装安全阀的接口处安装安全阀,并将安全阀朝向或连接管道使得安全阀的排泄口距离地漏口高6英寸高度的地方,或者任何结构地面下方,不得接触任何电源部件。在热水起储水罐和安全阀之间不需要安装任何阀门。排泄管道必须能够完全容纳安全阀和排泄管的排泄物。在任何情况下,都不得限制或减少排泄管道的尺寸。排泄管道的终端开口必须靠近地漏或其他不会堵塞或冻结的地方。不要对排泄管攻螺纹、堵塞子或加盖。在排泄管道出口和地漏之间要留下6英寸的距离。(请参见图1)
安装完所有水管后,打开主要供水阀门,将热水器储水罐注满水。打开几个热水水龙头,让热水管道中的气体在注水过程中排放出来。当水从水龙头流出时,关闭水龙头,并检验管路系统中是否有泄漏现象。
电路连接:
在进行电路连接之前,请确认热水器是否已经注满水,冷水进口阀门是否处于开启状态。在连接前要检验额定面板上的电路图。本电热水器的生产以及电路的连接设计都符合美国UL认证要求。可以对温度控制装置进行人工设置,可根据设定的温度自动开关电源。本款电热水器还在工厂就预先安装了能够在温度控制装置失效的情况下切断全部电源的装置。温度控制装置在工厂就预先设置,并且按照电路图所示进行布线,固定在热水器顶部面板入口内。
您所在地区的经销商定购的热水器的布线符合当地现行的规定,但是当地现行的规定可能要求或允许其他种类的电源供应。如果出现这些情况,请向当地电力供应商咨询,确定正确的符合当地有关规定的电源连接方式,以便获得最经济的电源利用。在安装之前请确认安装人是否需要获得许可。下列表格显示所推荐的适用于电热水器最大功率瓦数的保险丝尺寸。在热水器的规格面板上,标注着最大功率瓦数和额定电压。
推荐的电流安培值
RECOMMENDED FOR AMPERAGE
最大功率
(瓦)
MAX WATTS 最大电压
MAX. VOLTS 最大功率
(瓦)
MAX WATTS 最大电压
MAX. VOLTS
120V 208V 240V 208V 240V
600 10A 5A 5A 3500 25A 20A
750 10A 5A 5A 3800 25A 25A
1000 15A 10A 10A 4000 25A 25A
1250 15A 10A 10A 4500 30A 25A
1500 20A 10A 10A 5000 35A 30A
2000 25A 15A 15A 5500 35A 35A
2500 30A 15A 15A 6000 40A 35A
3000 35A 20A 20A
电热水器接地状况必须良好。绿色的接地螺丝用来连接接地的电源线。
操作方法:
在打开电源开关之前,要确保热水器处于满水状态,冷水进水阀门处于开启状态。如果在通电的过程中,电加热棒没有浸泡在水中,可能会导致电加热棒烧坏。打开电源开关后,本电热水器的完全自动操作。
温度控制器预先设置在"热"的位置,这种设置所提供的热水水温最高为49℃,可以避免烫伤事故的发生。注意:人体在57℃水温下持续5秒钟,将会导致烫伤。
对于管道系统内的任何水龙头,本热水器均可提供高温热水。在使用热水时,一定要小心,要注意防止烫伤事故的发生。某些设备需要高温热水(例如洗碗机和自动洗衣机)。为了防止可能发生的烫伤事故,请在热水管道系统上安装一个防烫伤调节阀门。这种阀门能够通过调节冷热水的混合比例来降低排放出的热水的温度。如果需要安装这种阀门,请向有用资格证书的管道工咨询。 通过调节温度控制器,可以改变热水器的水温设置。在调节温度控制器的温度设置之前,请首先关闭电源开关,切断电源。将热水器上的入口面板拆卸下来,把温度控制器的外部绝缘层拿下来。使用螺丝刀移动温度控制器的指示器将温度调节到自己所需要的温度,然后把绝缘层重新放在原先的位置,确保温度控制器被绝缘层完全包裹,接着把入口面板重新盖上。这时热水器可以重新工作,可以重新打开电源开关。
安全提示:对工厂原装的热水器增加电源功率和/或增加电源电压可能导致热水器和/或电路系统产生变化。对电热水器未经授权的更改可能会对生命和财产造成危害,而且也导致质量保证条款失效。在对热水器进行更动之前,请与当地经销商和供电部门联系。
为了便于热水器的现场安装和能源的节约,冷水出口和热水出口接头组件都在工厂安装。不要拆卸这些接头组件。 热水器上的水连接管径都是3/4"(俗称:6分管)锥管螺纹接头。 安全阀排泄管终端距离地漏高度为152mm。 如果使用焊接管道,不要在热水器顶部的螺纹接头上加热。在将热水器接头的转接头与水管系统连接之前,先把转接头焊接在水管系统上。如果螺纹接头包含塑料衬垫,则不要在这种螺纹接头上焊接。
本款热水器采用下列美国专利技术制造:4,416,222;4,628,184;4,669,448;4,672,919;4,808,356;4,829,983;4,861,968; 4,867,106;4,904,428;5,000,893;5,023,031;5,052,346;5,081,696; 5,092,519;5,115,767;5,199,385;5,277,171;5,341,770; 5,485,879;5,574,822;5,682,666.
注意:
如果把温度控制器的温度调节到高于工厂预置的温度,将可能导致严重的烧伤和消耗更多的能源。水温越高,烫伤的危险就越高。
如果需要把热水器的水全部排干,应该首先关闭电源开关,关闭冷水进口阀门,打开热水水龙头让空气进入管道系统,并且打开排水阀。排水阀上有螺纹,可连接标准软管。对于橱柜类型热水器,前部面板必须拆卸下来,以便连接排水阀。
注意:
长期(一般是两星期以上)没有使用的热水器所连接的热水管道系统可能会产生氢气。氢气是特别易燃的气体。在这种情况下,为了避免伤害事故的发生,建议在打开热水器的电源开关之前,厨房热水水龙头要先打开几分钟。如果有氢气存在,在水流动的时候,可能会有异常的声响好像有空气从管道内排出。这时,在开启的水龙头附近不能吸烟或由其它明火。
维护:
如果供水中断,必须立即关闭电源。
在冰冻的季节,如果住宅没有人居住,应该关闭热水器电源、水源,将热水器内的水全部排光,以免在热水器储水罐内出现结冰现象。
为了保证热水器热效率达到最佳状态,延长储水罐的使用寿命,要把内胆内的水排干净,使得排水阀流出的水是清水。至少每个月要排水一次。如果没有这样做,可能会导致热水器运转有噪音,在内胆底部沉淀石灰和水垢。检查降温减压安全阀是否被石灰堵塞。反复扳动安全阀的把手几次,直到安全阀能够正常泄水,操作灵活,并且没有泄漏。
安全事项:
扳动降温减压安全阀把手,热水将在压力下释放出来。要确保任何释放出来的热水不会导致任何人体伤害或财产损失。应该定期检查阳极棒,为了延长热水器的使用寿命,在必要时,更换阳极棒。
服务:
当热水器内的热水温度超过88℃时,热水器上的超高温自动跳闸装置会自动切断电源,也可以人工切断电源。如果经过合理的时间,仍然没有产生热水,请检查保险丝是否烧断。如果保险丝正常,请给维修人员打电话,让维修人员在重新设置超高温控制装置之前,全面检查包括温度控制器在内的全部元件。情与当地的管道恭贺电力供应公司联系,更换配件或任何您认为有问题的部件。请要求厂家和经销商检验所更换的配件是否符合要求。
为了延长内胆使用寿命,本热水器安装了组合型阳极棒/热水出口螺纹接头。这种阳极棒因定期检查,如果需要的话要进行更换。如果需要有关更换阳极棒的信息资料,请与面板上的厂商联系。水的软化装置可能增加阳极棒的损耗。如果使用软化(或经过磷酸盐处理)的水,应该更加经常检查阳极棒。 本热水器采用金属镁阳极棒,有利于延长内胆的使用寿命。无论什么原因拆卸这种阳极棒,都使得本热水器的质量保证无效。
如果需要了解热水器及其配件的质量保证书的详细内容,请阅读随同本热水器的质量保证书。
配件6年质量保证   美国百来福公司对于下列可更换配件:自动温度控制器,加热棒,内浸管,排水阀等可更换配件提供2年有限质量保证。这些优质配件均由美国相关行业的领导者企业为美国百来福公司特制,在保质期内万一出现故障,均可进行更换(不包括运输费和重新安装费用)。 内胆6年或10年有限质量保证   美国百来福公司有限质量保证确保您购买到优质玻璃涂层内胆的热水器。如果出现由于原材料质量问题、制造工艺质量问题、或者在保质期内因腐蚀造成的内胆泄漏状况,我们将用我们制造的同等型号完好无损的热水器无偿更换(不包括运输费和重新安装费用)。
美国有些州不允许在质量保证上附加“有限”条款。对于安装在美国、加拿大和波多黎各的美国百来福热水器,请参阅热水器包装箱内的完整的质量保证条款。
ELECTRIC WATER HEATER Installing and Operating Instructions
A SPANISH LANGUAGE VERSION OF THESE INSTRUCTIONS IS AVAILABLE BY CONTACTING THE MANUFACTURER LISTED ON THE RATING PLATE.
LA VERSION ESPANOLA DE ESTAS INSTRUCCIONES SE PUEDE OBTENER AL ESCRIBIRLE A LA FABRICA CUYO NOMBRE APARECE IN LA PLACA DE ESPECIFICIONES.
THE WARRANTY ON THIS WATER HEATER IS IN EFFECT ONLY WHEN THE HEATER IS INSTALLED AND OPERATED IN ACCORDANCE WITH LOCAL CODES AND THESE INSTRUCTIONS, THE MANUFACTURER OF THIS HEATER WILL NOT BE LIABLE FOR ANY DAMAGE RESULTING FROM FAILURE TO COMPLY WITH THESE INSTRUCTIONS. READ THESE INSTRUCTIONS THOROUGHLY BEFORE STARTING.
LOCATION:
Select a location accessible to water lines and power supply where the floor is level. Do not locate the heater where water lines could be subjected to freezing temperatures. It is recommended that the heater be located near the center of greatest hot water usage to prevent heat loss through the pipes. Locate the heater so that access panels and drain valves are accessible.
THE HEATER MUST BE LOCATED IN AN AREA WHERE LEAKAGE OF THE TANK OR CONNECTIONS WILL NOT RESULT IN DAMAGE TO THE AREA ADJACENT TO THE HEATER OR TO LOWER FLOORS OF THE STRUCTURE. WHEN SUCH LOCATIONS CAN'T BE AVOIDED, A SUITABLE DRAIN PAN MUST BE INSTALLED UNDER THE HEATER. SUCH PAN MUST BE AT LEAST 1 1/2" DEEP, HAVE A MINIMUM LENGTH AND A WIDTH AT LEAST 2" GREATER THAN THE DIAMETER OF THE HEATER, AND SHOULD BE PIPED TO AN ADEQUATE DRAIN.
WARNING:
Do not use or store gasoline or other flammable vapors, liquids, or materials in the vicinity of this or any other appliance.
NOTE:
Before proceeding with the installation, close the main water supply valve, open a water faucet to relieve the house pressure and then close the faucet.
CAUTION:
DO NOT TURN ON ELECTRICAL CURRENT TO WATER HEATER UNTIL TANK HAS BEEN COMPLETELY FILLED WITH WATER. OPEN SEVERAL HOT WATER FAUCETS TO ALLOW AIR TO ESCAPE FROM THE SYSTEM WHILE THE HEATER IS FILLING. THE HEATING ELEMENTS WILL BURN OUT IF NOT IMMERSED IN WATER.
CAUTION:
FOR YOUR SAFETY BE AWARE THIS WATER HEATER IS CAPABLE OF PRODUCING HOT WATER AT A TEMPERATURE SUFFICIENT ENOUGH TO CAUSE SCALDING INJURY. READ INSTRUCTIONS CAREFULLY BEFORE OPERATING THIS UNIT.
UPRIGHT MODELS: See Figure 1
The hot and cold water connections are identified on the top of the heater. Connect the hot and cold water lines to the installed nipples using unions. Install a listed temperature-pressure relieve valve in the remaining fitting.
ELECTRICAL CONDUIT   TEMPERATURE AND PRESSURE RELIEF VALVE
COMBINATION ANODE-HOT WATER OUTLET FITTING   UNIONS   COLD WATER SUPPLY
SHUT-OFF VALVE (MUST BE OPEN DURING HEATER OPERATION)   REMOVABLE PLATE FOR ACCESS TO WIRING
COMBINATION DIP TUBE-COLD WATER INLET FITTING   RELIEF VALVE DISCHARGE LINE
REMOVABLE ELEMENT COVERS FOR ACCESS TO THERMOSTATS AND HEATING ELEMENTS
WIRING DIAGRAM IS ON BACK OF ELEMENT COVER   DRAIN VALVE   RELIEF VALVE DISCHARGE LINE
ALTERNATE TEMPERATURE AND PRESSURE RELIEF VALVE LOCATION
DRAIN PAN (PIPED TO DRAIN AS ILLUSTRATED)
UTILITY MODELS: See Figure 2
The hot and cold water connections are identified on the side of the heater. Connect the hot and cold water lines to the installed nipples using unions. Install a listed temperature-pressure relief valve in the opening on the side of the heater. Install a vacuum relief anti-siphon device in the cold water inlet line.
ELECTRICAL CONDUIT   ANTI-SIPHON DEVICE   HOT WATER OUTLET   UNIONS
COLD WATER SUPPLY   REMOVABLE PLATE FOR ACCESS TO WIRING
TEMPERATURE AND PRESSURE RELIEF VALVE   REMOVABLE ELEMENT COVER FOR ACCESS TO THERMOSTAT AND HEATING ELEMENT (WIRING DIAGRAM ON BACK OF COVER)   DRAIN PAN (PIPED TO DRAIN AS ILLUSTRATE)
RELIEF VALVE DISCHARGE LINE
Water temperature over 125oF can cause severe burns instantly or death from scalds.
Children, disabled and elderly are at highest risk of being scalded.
See instruction manual before setting temperature at water heater.
Feel water before bathing or showering.
Temperature limiting valves are available, see manual.
TABLE TOP MODELS: See figure 3
The hot water outlet and cold water inlet are identified on the back panel of the heater. Remove the porcelain top by sliding it toward and lifting it off the cabinet. Care should be taken in handling the porcelain top to prevent chipping of the porcelain. Remove the four front panel screws; two at the top flange. Check drain valve to make sure that it is closed. Part the top fiberglass insulation to allow access to the plumbing and electrical connections. Connect the cold water supply line and hot water outlet lines using elbows, nipples and unions as shown in the diagrams. Install a shutoff valve in the cold water inlet. Install a listed temperature-pressure relief valve in the remaining fitting.
ELECTRICAL OUTLET CONNECTION   COMBINATION ANODE-HOT WATER OUTLET FITTING   UNIONS
TEMPERATURE AND PRESSURE RELIEF VALVE   COLD WATER INLET AND SHUTOFF (MUST BE OPEN DURING HEATER OPERATION)   DRAIN PAN (PIPED TO DRAIN AS ILLUSTRATED)   RELIEF VALVE DISCHARGE LINE
REAR VIEW TOP REMOVED   FRONT VIEW
FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED 3/4" X 3/4" TEMPERATURE-PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM WHICH MIGHT RESULT FROM EXCESSIVE TEMPERATURE AND PRESSURES.
Do not install a check valve or other devices that would prevent reverse flow of water unless required by local codes. A closed system will result and frequent operations of the relief valve will occur.
CAUTION:
The reduce the risk of excessive pressures and temperatures in this water heater, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials, as meeting the Requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22, available from the American Gas Association, 1515 Wilson Blvd., Arlington, VA 22209. This valve must be marked with a maximum set pressure not to exceed the marke working pressure on the water heater. This valve must also have an hourly rated temperature steam BTU discharge capacity not less than the hourly input rating of the water heater. Install the valve into the opening provided and marked for this purpose in the water heater, and orient it or provide piping so that any discharge from the valve will exit only within 6 inches above, or at any distance below the structural floor and cannot contact any live electrical part. No valve is to be placed between the relief valve and tank. The discharge line must be installed to allow complete drainage of both the relief valve and the discharge line. The discharge line must not be restricted or reduced in size under any circumstances. The end of the discharge line opening should terminate near a floor drain or other suitable location not subject to blocking or freezing. DO NOT thread, plug or cap the discharge line. Leave an air gap of approximately six (6) inches between the end of the discharge line and a drain pan. (see figure 1).
After the installation of all water lines, open the main water supply valve and fill the heater. Open several hot water faucets to allow air to escape from the system while the heater if filling. When water passes through the faucets, close them and check for possible leaks in the system.
ELECTRICAL CONNECTIONS:
Before any electrical connections are made, be sure that the heater is full of water and that the valve in the cold water supply line is open. Check the rating plate and wiring diagram before proceeding. This electric water heater was built and wired in accordance with the Underwriters' Laboratories' testing approvals requirements. The temperature limiting device is of the manual reset, trip-free type and has been factory installed to interrupt all ungrounded power supply conductors in the event of thermostat failure. Thermostats are factory set and wired in accordance with the wiring diagram fastened to the inside of the top access panel.
The dealer in your area ordered this heater wired at the factory to comply with existing area codes, but local utility codes may require or allow other circuity. Consult your local power company to determine the correct electrical hook-up in order to meet local utility and building codes and in order to obtain the most economical rates. Also check to find out if you are required to obtain a permit before starting the installation. The following chart shows the recommended fuse size for the maximum heater wattage. The maximum wattage and rated voltage are shown on the heater data plate.
The heater must be well grounded. A green ground screw is provided at the electrical connection point for connecting a ground wire.
OPERATION:
Before closing the switch to allow electric current to flow to the heater, make certain that the heater is full of water and that the cold water inlet valve is open. Complete failure of the heating elements will result if they are not totally immersed in water at all times. When the switch is closed, the operation of this electric water heater is automatic. The thermostats are preset to the "HOT" setting to provide a water temperature of approximately 120oF to reduce the risk of scald injury. CAUTION: Scalding may occur within five (5) seconds at a temperature setting of 135oF.
This water heater is capable of delivering high temperature hot water at any faucet in the system. Care must be taken whenever using hot water to avoid scalding injury. Certain appliances require high temperature hot water (such as dishwashers and automatic clothes washers). In order to prevent potential scald injury, install an antiscald tempering valve in the water system. Valves for reducing point of discharge temperature by mixing cold and hot water in branch water lines are available. A qualified plumber should be consulted.
The temperature of the water can be changed by adjusting the thermostats. Before any work is done on the heater, disconnect all power to the heater by opening the switch at the main electrical circuit breaker of fuse box. Remove the access panels or front panel on table tops, fold the insulation outward away from the controls. Set the thermostats to the desired water temperature using a screw driver to move the thermostat pointer, replace the insulation making sure that the controls are well covered and that the plastic terminal shield has not been displaced; then replace the access panel. The heater is now ready for operation and the main switch can be closed.
For Your Safety: Increasing the wattage and/or voltage from factory original equipment can require changes to the water heater and/or the electric service. Unauthorized modification of the water heater may create a hazard to life and property and will nullify the warranty. Contact your dealer or utility company before making any changes.
COMBINATION COLD AND HOT WATER FITTINGS ARE FACTORY INSTALLED FOR EASE OF INSTALLATION AND ENERGY SAVINGS. DO NOT REMOVE THE INSERTS IN THE FITTINGS. WATER CONNECTIONS IN HEATER ARE 3/4" TAPERED PIPE THREAD. THE RELIEF VALVE DISCHARGE LINE SHOULD TERMINATE 6" ABOVE A SUITABLE OPEN DRAIN. IF SWEAT FITTINGS ARE USED, DO NOT APPLY HEAT TO THE NIPPLES ON TOP OF THE HEATER. SWEAT TUBING TO ADAPTOR BEFORE FITTING ADAPTOR TO WATER CONNECTION. IT IS IMPERATIVE THAT NO HEAT IS APPLIED TO CONNECTION AS NIPPLES CONTAIN A PLASTIC LINER.
MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING U.S. PATENTS: Re. 34,534; 4,416,222; 4,628,184; 4,669,448; 4,672,919; 4,808,356; 4,829,983; 4,861,968; 4,904,428; 5,000,893; 5,000,893; 5,023,031; 5,052,346; 5,092,519; 5,115,767; 5,199,385; 5,277,171; 5,341,770; 5,372,185; 5,485,879; 5,574,822; 5,596,952; 5,660,165; 5,682,666; 5,943,984; 5,954,492. OTHER U.S. AND FOREIGN PATENT APPLICATIONS PENDING. CURRENT CANADIAN PATENTS: 1,272,914; 1,280,043; 1,289,832; 2,112,515.
CAUTION: INCREASING THE THERMOSTAT SETTING ABOVE THE PRESET TEMPERATURE MAY CAUSE SEVERE BURNS AND CONSUME EXCESSIVE ENERGY. HOTTER WATER INCREASES THE RISK OF SCALD INJURY.
When necessary to completely drain the heater, shut to off the electric power supply to heater, close cold water inlet, open a hot water faucet to allow air to enter the system and open the drain valve, which is threaded to receive a standard hose coupling. On Table Top models, the front panel must be removed to gain access to the drain valve.
CAUTION: Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time (generally two weeks or more.) Hydrogen gas is extremely flammable. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system. If hydrogen is present, there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow. There should be no smoking or open flame near the faucet at the time it is open.
MAINTENANCE:
Shut off the electric power whenever the water supply is turned off.
Shut off the electric power, water supply and drain the heater completely to prevent freezing whenever the building is left unoccupied during the cold weather months. In order to insure efficient operation and long tank life, drain the heater through the drain valve until water runs clear. Drain it at least once a month. Failure to do this may result in noisy operation and lime and sediment buildup in the bottom of the tank. Check the temperature-pressure relief valve to insure that the valve has not become incrusted with lime. Lift the lever at the top of the valve several times until valve seats properly without leaking and operates freely.
SAFETY WARNING: When lifting lever of temperature/pressure relief valve, hot water will be released under pressure. Be certain that any released water does not result in bodily injury or property damage. The magnesium anode rod should be inspected periodically and replaced when necessary to prolong tank life.
SERVICE:
The manual reset, trip-free temperature limiting devices on this heater will cut off all power to heater if temperature of water exceeds 190oF. If there is no hot water after a reasonable period of time, check the main fuse box. In the event that the fuses have not blown, call a serviceman; have him check the entire circuit including the elements and thermostats before resetting the temperature limiting device. Heater must be disconnected from power supply before servicing switch. Consult the plumber or electric service company in your area for all service, replacement parts or any questions you might have regarding this heater. Insist on factory inspected and approved replacement parts.
A combination anode rod/hot water outlet nipple has been installed to extend tank life. This rod should be inspected periodically and replaced when necessary. Contact manufacturer listed on rating plate for replacement anode information. The use of a water softener may increase the speed of anode consumption. More frequent inspection of the anode is needed when using softened (or phosphate treated) water.
Magnesium anode is used to extend tank life. Removal of this anode for any purpose will NULLIFY THE WARRANTY.
Read the warranty attached to this water heater for a full explanation of the time period that parts and heater are warranted.