5. 热水器的接地通过从电气装置上将接地线连接到位于接线盒上的（绿色）接地螺丝上实现。注意：电气连接只能采用10级电线和30安培双刀断路器。
   Ground the water heater by connecting the grounding wire from the electrical service ground to the (green ) ground screw located in the junction box. Note: Only use 10 gauge wires for electrical connections and a 30 ampere double pole breaker.
6. 将红线和黑线连接到输入电源引线上。
   Connect the red and black wires to the incoming power leads.

7. 重新盖上盖板，紧固螺丝。
   Replace cover and secure with screws.

电路图
Wiring Diagram

只适用于240伏电路
240 Volts Only

热水器位置
Water Heater Location

• 放置在水管道系统的中心位置。
  Centrally located with the water piping system.
• 垂直直立放置在室内。
  Located indoors and in a vertical position.
• 避免受到冰冻温度的影响。
  Protected from freezing temperatures.
• 采取适当措施，保护所在区域免受水的破坏。
  Provisions made to protect the area from water damage.
• 安装排水盆，并用管道引导到适当的排水口。
  Drain pan installed and piped into an adequate drain.
• 留足充足的的空间，方便热水器的维修。
  Sufficient clearance to service the water heater.

水系统管道
Water System Piping

• 正确安装降温减压安全阀，并配置排泄管引导至一个敞开的排水口，并确保不会被冻结。
  Temperature and pressure relief valve properly installed with a discharge line plumbed to an open drain and protected from freezing.
• 所有管道都必须正确安装，并没有泄漏。
  All piping properly installed and free of leaks.
• 热水器完全注满水。
  Water heater completely filled with water.
• 关闭已安装的系统压力累计预防装置。
  Closed system pressure buildup precautions installed.
• 按照制造商的说明安装调节阀（混水阀）。
  Tempering valve installed per manufacturer’s instructions.

电气连接
Electrical Connections

• 电线和连接应该符合所有有关规定。
  Wiring and connections comply with all applicable codes.
• 热水器和电源都需适当接地。
  Water heater and electrical supply are properly grounded.
• 配置适当的过载保险丝或安装保护断路器。
  Proper overload fuse or circuit breaker protection
  installed.