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ELECTRICAL RATINGS
Rated electrical characteristics are within ±10 percent of the indicated values of Isc, Voc and within +5/-0 percent of Pmax under Standard Test Conditions
(irradiance of 100 mW/cm2, AM 1.5 spectrum, and a cell temperature of 25˚C (77˚F)). The warranty conditions are specified elsewhere in this manual.
Maximum Power (Pmax)
Open-Circuit Voltage (Voc)
Short-Circuit Current (Isc)
Voltage at maximum power (Vpmax)
Current at maximum power (Ipmax)
Maximum System Voltage
Minimum Blocking diode
Series Fuse
Maximum Power (Pmax)
Open-Circuit Voltage (Voc)
Short-Circuit Current (Isc)
Voltage at maximum power (Vpmax)
Current at maximum power (Ipmax)
Maximum System Voltage
Minimum Blocking diode
Series Fuse
Under normal conditions, a PV module may produce more current and/or voltage than reported at Standard Test Conditions. Accordingly, the values of Isc
and Voc marked on UL 1703 listed modules should be multiplied by a factor of 1.25 when determining component voltage ratings, conductor ampacities, fuse
sizes and size of controls connected to the module output. Refer to Sec. 690-8 of the National Electrical Code for an additional multiplying factor of 125 percent
(80 percent de-rating) which may be applicable. Where Canadian UL listing applies, installation shall be in accordance with CSA C22.1, Safety Standard for
Electrical Installations, Canadian Electrical Code, Part 1.
IMPORTANT SAFETY INSTRUCTIONS
This manual contains important safety instructions for the PV module that must be followed during the maintenance of PV modules.
1) To reduce the risk of electric shock, do not perform any servicing unless you are qualified to do so.
2) The installation must be performed by a certified installer/servicer to ensure system integrity and safety.
3) Do not pull the PV cables.
4) Do not touch any surface of module.
5) Do not place/drop objects onto the PV modules.
6) Do not disassemble or attempt to repair the PV module by yourself.
7) Do not drop the PV module.
8) Do not damage, pull, bend, or place heavy material on cables.
9) Upon completion of any service or repairs, ask the installer/servicer to perform routine checks to determine that the PV modules are in safe and
proper operating condition.
10) When replacement parts are required, be sure the installer/servicer uses parts specified by the manufacturer with same characteristics as the original
parts. Unauthorized substitutions may result in fire, electric shock, or other hazard.
11) Consult your local building and safety department for required permits and applicable regulations.
C) ELECTRICAL INFORMATION
ND-235QCJ
ND-240QCJ
235.0 W
240.0 W
37.2 V
37.5 V
8.6 A
8.75 A
29.3 V
29.3 V
8.02 A
8.19 A
600 V
600 V
15 A
15 A
15 A
15 A
NU-Q240F2
NU-Q235F2
240.0 W
235.0 W
37.4 V
37.0 V
8.65 A
8.60 A
30.1 V
30.0 V
7.98 A
7.84 A
600 V
600 V
15 A
15 A
15 A
15 A
USER MANUAL
- 6 -
ND-Q235F4
ND-Q230F4
235.0 W
230.0 W
37.4 V
37.1 V
8.59 A
8.45 A
29.2 V
29.2 V
8.05 A
7.88 A
600 V
600 V
15 A
15 A
15 A
15 A
NU-Q235F4
235.0 W
37.0 V
8.50 A
30.1 V
7.81 A
600 V
15 A
15 A
Installation Manual for PV Modules
Ver. 6.0U _ Jan 9, 2012
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