96
*Full power MPP range is temperature dependent, check the characteristic curve of the in-
verter for more information.
**For sustained operation above 40° C, an optional 60 ° C temperature rise transformer is
recommended.
14.2 Tightening Torques
Tighten the cable with proper torque shown below to prevent the poor contact, high contact
resistance, or fire caused by the looseness of cable lugs:
Screw Torque(N.m) Torque(lbf.inch)
M3 0.7~1 6.195~8.85
M4 1.8~2.4 15.93~21.24
M5 4~4.8 35.4~42.48
M6 7~8 61.95~70.8
M8 18~23 159.3~203.55
M10 34~40 300.9~354
M12 60~70 531~619.5
M16 119~140 1053.15~1239
Secure the cable in proper place to reduce pressure of cable lug.
14.3 Quality Assurance
When product faults occur during the warranty period, SUNGROW will provide free service
or replace the product with a new one.
Evidence
During the warranty period, the customer shall provide the product purchase invoice and
date. In addition, the trademark on the product shall be undamaged and legible. Otherwise,
SUNGROW has the right to refuse to honor the quality guarantee.
Conditions
• After replacement, unqualified products shall be processed by SUNGROW.
• The customer shall give SUNGROW a reasonable period to repair the faulty device.
Exclusion of Liability
In the following circumstances, SUNGROW has the right to refuse to honor the quality
guarantee:
• The free warranty period for the whole machine/components has expired.
• The device is damaged during transport.
• The device is incorrectly installed, refitted, or used.
• The device operates in harsh conditions beyond those described in this manual.
14 Appendix System Manual
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