Answer: (l), the down conductor, the equalizing ring, and the lightning protection belt have the disadvantages of slag inclusion, welding, virtual welding, biting meat, and insufficient weld.
(2) The welding slag does not knock off, and the welding place on the lightning protection belt does not brush anti-rust paint.
(3) Replace the round steel with rebar as a lap joint.
(4) Directly use the main rebar of the enemy's welding for lightning protection.
Air to water heat pump provides energy-efficient space heating, cooling and domestic hot water for residential and small commercial application. Adopting the Green refrigerant R410a for highly efficient with low running costs, low carbon emission and are able to be integrated with energy systems such as solar heater and boiler. All hydraulic parts are located within the indoor unit. Water pump, expansion vessel, buffer tank and safety equipment have already been fitted inside the indoor unit. Optional refrigerant pipe quick connection is available, to reduce installation cost.
Air To Water Heat Pump,Air To Water Pump,Water Source Heat Pump,Split System Heat Pump
Linuo Ritter International Co.,Ltd , https://www.lnrtsolarenergy.com