GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT CO.,LTD.
ADD: No.66-68 Fengshen Avenue, Huadu District, Guangzhou City, CN
WEB: www.ne01-e.com
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1.4 Safety relief valve installation requirement
1) Safety relief valve should install on the inlet of the water tank.
2) The drain pipe of safety relief valve should keep open with atmosphere.
3) Safety relief valve should work regularly, so as to get rid of the calcium carbonate and to approval the device
hasn’t block.
4) The drain pipe of safety relief should keep continuous downward and install in a frostless environment.
1.5 Piping installed demand
1) Select the pipe material, the choice of stainless steel, brass, plastic hot water pipes, hot water PPR tubes
meet national health and safety standards, heat-resistant, antirust and Difficult to furring.
2) Drain and overflow pipes, installed in the gutter or drain place to convenient drainage.
3) Unit and plumbing connections place must be installed stop valve or removable union, when maintenance
use.
4) Water piping arrangement is reasonable, minimize bending, and reduce the resistance of the water system.
5) System - fill water pipes, hot water supply pipe connection is completed, pipe connections must be rigor,
increase water pressure test, and drain, to ensure that the system clean. Passing the test no leakage, then
pack of pipes and valves on the heat preservation layer (Including water pipes and valves).
6) Unit water supply port must be installed filter (in accordance with the requirements of the rate water flow).
7) Circulation pipe selection: one unit's circulating pipe diameter can't less than in and out water pipe diameter,
should use the circulating pipe diameter as in and out water pipe diameter.
8) Metal pipes must be used for more than 50mm thickness of the glass fiber or high density.
