35
图
12
Video lightning arrester, communication lightning arrester, power lightning arrester, lightning rod, P/T/Z
must be installed in the around of 45°under lightning rod, earth resistance line is on more than 4
Ω
, steel pipe
sleeve
Appendix
：
Maintenance service terms
1
、
Service range
In one year the cargo sold, the problem is approved caused by product material or techniques defect,
manufacturer will repair or replace for free;
Warranty period of all parts which have repaired or replaced is 90 days after sending out cargoes;
Products can’t be repaired for free for manpower cannot dispute reason(such as war, earthquake,
lightning strike),improper use, deviant operation, revise, normal fray or problem caused by accident;
Manufacturer take on no responsibility on p damage and loss caused by product special use or
application. The compensation on fell back, neglect or infringement about products will not over
products value. Manufacturer won’t take on any responsibility on special, sudden or continued damage
caused by any other reason;
