Astronergy CHSM60M-HC Installatiehandleiding - Pagina 11

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The tightening torque should be 210±20 N•cm.

4.2.6 Approve the use of UL-467 certified bonding and grounding devices, including Burndy

(formerly Wiley Electronics) Washer Electrical Equipment Bonding (WEEB) and similar

devices, such as barbed washers, that meet the requirements of UL-467 as suitable for

electrical bonding and grounding PV modules to PV mounting systems.

4.2.7 Other grounding methods may be allowable when tested with the racking system per

UL 2703 requirements.

5 Maintenance

5.1 Regularly carry out a visual inspection for dirt, dust, bird dropping, leaves, and other detritus

covering the modules.

5.2 If snow is present, a soft-bristled brush with soft bristles may be used to clean the surface of

the modules.

5.3

Regular electrical and mechanical inspection by a licensed professional will keep the

system safe and operating at maximum efficiency.

5.4 Recommended PV module Clean-up period

To get high output performance, PV module needs to be cleaned-up periodically as below:

① Normal: Minimum one time per every month; Dust weather: Right away after the dust

wind;

② The period of the PV module cleaning shall be determined by the condition of the

weather & pollution. O&M operator shall keep a record of weather condition everyday with

data.

5.5 Condition of Cleaning

5.5.1 Use clean water or filtered water with soft type material (a sponge) to wipe the PV

module. Never use chemicals on the surface of the module.

5.5.2 Cleaning after sunset or before sunrise is recommended for safety of O&M operator

shock from heat stroke.

5.5.3 Do not use abrasive powder, abrasive cleaners, scrubber cleaners, polishers, sodium

hydroxide, benzene, nitro-thinners, acid or alkali and other chemical substances.

Do not clean broken glass or modules with broken lines or exposed wires, as it may

5.5.4

cause the electric shock.

Chint Solar (Zhejiang) Co.,Ltd. | Add:1335 Bin´an Road, Binjiang District, Hangzhou | P.C: 310053

Tel: 0086-571-5603 1888 | Fax: 086-571-5603 2316 | Website: http://energy.chint.com/