Sharp Drums ND 255QCS User Manual

Ver. 6.0U _ Sep 6, 2012  
INSTALLATION AND USER MANUAL  
FOR SHARP PHOTOVOLTAIC MODULES  
ND-255QCS / ND-250QCS / ND-245QCS  
ND-250QCJ / ND-245QCJ / ND-240QCJ  
ND-Q250F7 / ND-Q245F7  
IMPORTANT SAFETY INSTRUCTIONS  
PLEASE READ THIS MANUAL CAREFULLY BEFORE INSTALLING OR USING THE MODULES.  
PLEASE PASS ALONG THIS MANUAL TO YOUR CUSTOMER.  
A) GENERAL MANUAL  
A-1. INTRODUCTION  
< GENERAL SAFETY >  
1. Wiring and grounding method of the frame of arrays shall comply with  
national, regional and local codes, laws and standards.  
2. PV modules should be installed and maintained by qualified personnel.  
Only installation/service personnel should have access to the PV  
module installation site.  
Thank you for choosing SHARP photovoltaic (PV) module. This  
Installation Manual contains essential information for electrical and  
mechanical installation that you must know before installing SHARP  
photovoltaic modules. These modules are listed to standard UL 1703.  
This Manual also contains safety information you need to be familiar with.  
All the information described in this Manual is the intellectual property of  
SHARP and is based on the technologies and experience that have been  
acquired and accumulated over the long history of SHARP. This Manual  
does not constitute a warranty, expressed or implied. SHARP does not  
assume responsibility and expressly disclaims liability for loss, damage, or  
expense arising out of or in any way connected with installation, operation,  
use or maintenance of PV modules. No responsibility is assumed by  
SHARP for any infringement of patents or other rights of third parties that  
may result from use of PV modules. SHARP reserves the right to make  
changes to the product, specifications or Installation Manual without prior  
notice.  
3. Keep children away from PV modules.  
4. Prior to installation, do not store modules outdoors or in a damp  
environment to prevent glass from damage due to white efflorescence.  
5. When PV modules are installed on roofs or any other structures  
above ground, appropriate safety practices should be followed  
and appropriate safety equipment should be used in order to avoid  
possible safety hazards. Note that the installation of PV modules on  
some roof types may require the addition of fireproofing, as required  
by local building/fire codes.  
6. Roof mounted PV modules are to be mounted over a fire resistant roof.  
7. Only PV modules with the same cell size should be connected in series.  
8. Follow all safety precautions of other components used in the system.  
9. In order to avoid risk of injury or electrical shock, do not allow anyone  
to handle damaged PV modules if the person is unqualified or has  
limited knowledge of PV modules. Place defective PV modules in  
cartons so PV cells are completely shaded, because a defective PV  
module or module with broken glass may generate power even if it is  
removed from the system.  
A-2. GENERAL INFORMATION  
(INCLUDING WARNING AND SAFETY)  
The installation of PV modules requires a great degree of skill and should  
only be performed by qualified licensed professionals, including licensed  
contractors and licensed electricians. Please be aware that there is a serious  
risk of various types of injury occurring during the installation including the  
risk of electric shock. These SHARP PV modules are equipped with a  
permanently attached special cable assembly for ease of installation which  
does not require special assembly.  
10.Avoid uneven shade on the PV module surface. Shaded cells may  
become hot (“hot spot” phenomenon) which may result in permanent  
damage to the module (e.g., solder joints may peel off).  
11. Do not clean the glass surface with chemicals. Do not let water stay on  
the glass surfaces of PV modules for a long time. This creates a risk of  
permanent damage to the glass, such as white efflorescence, otherwise  
known as “glass disease,” which may cause reduced power output.  
12.To avoid dirt accumulation or white efflorescence due to water  
accumulation, do not install PV modules horizontally (flat).  
13.In case of snow build up, snow would be slide down easier on the  
module than other parts of the roof. When snow suddenly slide and  
fall off the module’s surface, it may fall to under the roof and reach  
nearby areas. Ensure that the installment of the modules would not  
cause any damage to objects (carport, bicycle, entrance) nearby.  
Apply appropriate safety measures and/or safety equipments (e.g.  
snow stopper) when necessary.  
< GENERAL WARNING >  
1. PV modules are heavy. Handle with care.  
2. Before you attempt to install, wire, operate and maintain the PV  
module, please make sure that you completely understand the  
information described in this Installation Manual.  
3. Contact with electrically active parts of a PV module such as terminals  
can result in burns, sparks and lethal shock whether the PV modules  
are connected or not.  
4. PV modules produce electricity when sufficient sunlight or other  
light source illuminates the module. When modules are connected  
in series, voltage is cumulative. When modules are connected in  
parallel, current is cumulative. PV systems can produce high voltage  
and current which could present an increased hazard and may cause  
serious injury or death.  
5. Do not connect PV modules directly to motor loads. Variation in PV  
module output power as a function of solar irradiance may damage  
directly-connected loads. For example,  
1: In the case of a brushless motor, the lock function may become  
active and the motor may be damaged;  
2: In the case of a brush type motor, the coil may be damaged.  
6. Always use gloves when handling the module, never touch the glass  
surface with bare hands.  
14.Do not expose PV modules to sunlight concentrated with mirrors,  
lenses or other means.  
15.Turn off inverters and circuit breakers immediately, should a problem occur.  
16.The maximum open circuit voltage must not be greater than the  
specified maximum system voltage. Voltage is proportional to the  
number of PV modules in series and is affected by weather conditions.  
For strings connected in parallel take proper measures to block  
reverse current flow.  
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Installation Manual for PV Modules  
Ver. 6.0U _ Sep 6, 2012  
SERIES WIRING (VOLTAGE ADDITIVE)  
For grounding, each PV module has a hole in the frame for either a bolt,  
nut and washer, a ground lug fastened by bolt or screw, or an appropriate  
screw (hardware not provided). Installation for wiring and grounding  
method shall be in accordance with national, regional and local codes,  
laws, standard, and the relevant instructions below. In a connection of this  
type, the hardware (such as a star washer) must score the frame surface  
to make positive electrical contact with the frame. The ground wire must  
not be smaller than No.12 AWG.  
PARALLEL WIRING (CURRENT ADDITIVE)  
The National Electrical Code (NEC) 690.33 requires that connectors are  
installed in a readily accessible location, circuits operating at over 30  
volts, shall require a tool to open. PV module’s connectors comply with  
the NEC corresponding section.  
Grounding  
Figure 1  
(1) Grounding Using Existing Ground Hole (Figure 2, GBL-4DBT)  
1. Place Grounding lug (GBL-4DBT, Ilsco corp, E34440) onto the frame,  
making sure that the #8-32 or #10-32 ground bolt (Material; stainless  
steel) straddles the grounding hole.  
2. Thread the lock nut (Material; stainless steel) and tooth washer onto  
the end of the bolt, tighten the nut. Recommended torque is between  
2.0 and 2.2 Nm.  
3. Insert the grounding wire into the lug. The grounding conductor wire  
should be sized according to national, regional and local codes, laws,  
and standards.  
Wire Binding Screw  
4. Fix the grounding wire by tightening the wire binding screw. This will  
terminate the wire.  
Figure 2 (Ilsco, GBL-4DBT)  
Please contact ”Ilsco corp.” about detail information of “GBL-4DBT”.  
(2) Grounding Using Existing Ground Hole (Figure 3, 1954381-2)  
The grounding clip (SolKlip grounding Clip Assemblies 1954381-2,  
Tyco electronics corp., E69905) assembly consists of a slider, base and  
#8-32 screw and hex nut (screw and hex nut are parts in component of  
1954381-2).  
1. Place the grounding onto the frame, making sure that the screw  
straddles the grounding hole.  
2. Thread the hex nut onto the end of the screw, tighten the nut.  
Recommended torque is between 2.0 and 2.2 Nm.  
3. Insert the grounding wire into the wire slot. Press down on both ends  
of the wire (the wire slot will cause the wire to form a slight curve).  
The grounding conductor wire should be sized according to national,  
regional and local codes, laws, and standards. Note that the TYCO  
SolKlip 1954381-2 only accepts wire sizes 10 -12 AWG.  
4. Manually, or using channel lock pliers, push the slider over the base  
until it covers the base. This will terminate the wire.  
Please contact “Tyco electronics corp.” about detail information of  
“1954381-2”  
A-6. MAINTENANCE  
SHARP PV modules are designed for long life and require very little  
maintenance. If the angle of the PV module is 5 degrees or more, normal  
rainfall is usually sufficient to keep the module glass surface clean under  
most weather conditions. Do not touch the glass since finger prints or  
stains will easily mark the glass. For AR coating - Sharp modules utilize  
special materials to increase energy harvest. Always use gloves when  
handling the module, never touch the glass with bare hands. If dirt build-  
up becomes excessive, clean the glass surface with water only. If cleaning  
the back of the module is required, take utmost care not to damage the  
back side materials. In order to ensure proper operation of the system,  
please check all wiring connections and the condition of the wire insulation  
periodically.  
Figure 3 (Tyco Electronics Corp. 1954381-2)  
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Installation Manual for PV Modules  
Ver. 6.0U _ Sep 6, 2012  
B) MODULE SPECIFIC INSTRUCTIONS  
Mounting Using Clamps on Long Edge of Module: Long Edge  
Perpendicular to Array Rails (Figures 5 & 9)  
MECHANICAL INSTALLATION  
There are several approved ways to mount these Sharp PV modules to  
a support structure. They may be mounted either using the bolt holes  
provided or using frame clamps (not provided). Inter-module type or  
end-type clamps must be designed for PV modules and have minimum  
dimensions shown in Figure 4 & 5 and listed in Table I on the long sides  
of the module in accordance with the instructions below and drawings  
provided. To avoid shading and module damage, the clamp should be  
within frame coverage width. Further, the clamp should not extend higher  
than the level defined by an imaginary line drawn at 24 degrees from  
the module glass outward from the intersection of the frame and glass.  
Clamps should be made of aluminum, stainless steel or other appropriate  
material to resist weathering and galvanic corrosion. Sharp does not  
warranty frame clamps or take responsibility for any third party mounting  
system. Sharp does not warranty frame clamps. The Sharp module  
warranty may be void if customer-selected frame clamps or third party  
mounting system are improper or inadequate with respect to properties  
(including strength or material) or installation. Note that if metal clamps  
are used, there must be a path to ground from the clamps, (for instance,  
by using star washers in the hardware set). Please review the descriptions  
below and drawings carefully; not mounting the modules according to one  
of these methods may void your warranty. Additionally, UL has tested and  
listed these modules for mounting using either bolts or clamps. Mounting  
with clamps is considered to be equivalent to mounting with bolts and is  
acceptable under the same conditions as bolt mounting.  
The modules may also be mounted using clamps on the long sides of  
the module when the array rails are perpendicular to the long sides, as  
shown in Figure 5 and listed in Table I. The clamp centerlines must be  
between 5.9” (150 mm) and 16.1” (410 mm) regarding ND/NU series as  
shown in Figure 9 from the ends of the module. Note that the mounting  
clamps should meet the minimum dimensions as shown in Figure 5 and  
listed in Table I. The array rails must support the bottom of the modules  
and clamps, also must be continuous pieces (no un-spliced breaks in the  
rail). This mounting method is designed to a static load rating of 2400 Pa  
(50.1 lbs/ft²).  
To provide adequate ventilation, modules must be mounted such that  
there is a minimum 50 mm gap between the bottom of the module frame  
and the roof deck/ground surface.  
Rail parallel with long side of module  
Figure 4  
Mounting Using Frame Bolt Holes (Figures 6)  
The modules may be fastened to a support utilizing the four 9 mm  
diameter holes in the bottom of the frame and according to Figure 6. The  
module should be fastened with four (4) M8 (5/16") bolts. Recommended  
torque value is 12.5 Nm. This mounting method is designed to a static  
load of 2400 Pa (50.1 lbs/ft²). For your reference, please use the washer  
specified as below for the minimum requirement:  
We recommended parts of the following specifications.  
1) Spring washer  
Material: Stainless Steel  
Diameter: M8 (5/16")  
3) Bolt  
Material: Stainless Steel  
Diameter: M8 (5/16")×20 mm  
Thickness: 2 mm (reference value)  
2) Washer  
4) Nut  
Material: Stainless Steel  
Size: M8 (5/16")  
Thickness: 1.6 mm (reference value)  
Material: Stainless Steel  
Size: M8 (5/16")  
Rail perpendicular with long side of module  
Mounting Using Clamps on Long Edge of Module: Long Edge Parallel  
to Array Rails (Figures 4 & 8)  
Figure 5  
The modules may be mounted using clamps designed for solar modules  
as shown in Figure 4 and Table I. Note that the clamp positions are  
important – the clamp centerlines must be between 5.9” (150 mm) and  
16.1” (410 mm) regarding ND/NU series as shown in Figure 8 from the  
end of the module. The module must be supported along the length of the  
long edge, and should overlap the array rail by at least 0.4” (10 mm). Note  
that the mounting clamps should meet the minimum dimensions as shown  
in Figure 4 and listed in Table I. The array rails must support the bottom  
of the modules and must be a continuous piece (no un-spliced breaks in  
the rail). This mounting method is designed to a static load rating of 2400  
Pa (50.1 lbs/ft²).  
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Installation Manual for PV Modules  
Ver. 6.0U _ Sep 6, 2012  
Table I. Minimum required dimensions  
Clamp Thickness Minimum (mm)  
Clamp Width Minimum (mm)  
Catch Width Minimum (mm)  
Support Width Minimum (mm)  
Option A  
Option B  
3.3 mm  
3.0 mm  
38 mm  
5 mm  
5 mm  
10 mm  
10 mm  
43.6 mm  
Figure 6  
Figure 7  
5.9” (150 mm)  
s
16.1” (410 mm)  
5.9” (150 mm)  
e
16.1” (410 mm)  
Figure 8  
Figure 9  
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Installation Manual for PV Modules  
 
Ver. 6.0U _ Sep 6, 2012  
Mounting using Clamps on Long Edge of Module (Figure 7) – 2 Clamp Method  
The modules may be mounted using clamps designed for solar modules as shown in Figure 7. Note the clamp position is important. The 22” length clamp  
should be positioned so that it supports the center of each long frame of the solar module. The clamp should be affixed to the modules and mounting  
structure with 4 bolts on each long frame. For the 2 clamp mount method, the minimum clamp length dimension is 22”. The modules should be inserted fully  
into the module clamps so that the outside edge of the module frame is flush with the inside surface of the clamp. The clamp is designed to overhang the  
top module edge by 12mm. This mounting method is designed to allow module loading of 1,440 Pa.  
C) ELECTRICAL INFORMATION  
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.  
ND-255QCS  
255.0 W  
38.6 V  
9.0 A  
ND-250QCS  
250.0 W  
38.3 V  
8.9 A  
ND-245QCS  
245.0 W  
37.8 V  
8.9 A  
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  
30.2 V  
8.45 A  
600 V  
29.8 V  
8.4 A  
29.3 V  
8.36 A  
600 V  
600 V  
15 A  
15 A  
15 A  
15 A  
15 A  
15 A  
ND-250QCJ  
250.0 W  
38.3 V  
8.9 A  
ND-245QCJ  
245.0 W  
37.8 V  
8.90 A  
29.3 V  
8.36 A  
600 V  
ND-240QCJ  
240.0 W  
37.5 V  
8.75 A  
29.3 V  
8.19 A  
600 V  
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  
29.8 V  
8.4 A  
600 V  
15 A  
15 A  
15 A  
15 A  
15 A  
15 A  
ND-Q250F7  
250.0 W  
38.3 V  
8.9 A  
ND-Q245F7  
245.0 W  
37.8 V  
8.9 A  
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  
29.8 V  
8.40 A  
600 V  
29.3 V  
8.36 A  
600 V  
15 A  
15 A  
15 A  
15 A  
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.  
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Installation Manual for PV Modules  
Ver. 6.0U _ Sep 6, 2012  
USER MANUAL  
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 should only be performed by qualified licensed, professionals, including licensed electricians and lisensed contractors. 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.  
12) Sharp modules use special materials to enhance energy harvest. Do not touch the module surface with bare hands. If finger prints are left on the  
module glass surface, do not attempt to clean them, finger prints will disappear over time.  
SHARP ELECTRONICS CORPORATION  
PHOTOVOLTAIC MODULE LIMITED WARRANTY  
This Limited Warranty applies to photovoltaic modules manufactured by SHARP shown in this manual.  
Limited Warranty For Materials or Workmanship: Sharp Electronics Corporation warrants to the first consumer purchaser that this Sharp brand product  
(the “Product”), when shipped in its original container, will be free from defective workmanship and materials, and Sharp agrees that for a period of  
ten (10) year from the date of purchase by the consumer, that Sharp will, at its option, either repair the defect or replace the defective Product or part  
thereof with a new or remanufactured equivalent at no charge to the purchaser for parts or labor for the period(s) set forth below.  
Limited Warranty For Power: The warranty period with respect to power output continues for a total of 25 years from date of purchase by the consumer,  
the first 10 years at 90% minimum rated power output and the balance of 15 years at 80% minimum rated power output. This warranty is transferable  
when product remains installed in original location at the time of product warranty registration.  
This warranty does not apply to any alteration of the appearance of the Product that does not affect the performance or functionality of the Product, nor  
to the additional excluded item(s) set forth below nor to any Product, in Sharp’s sole discretion, the exterior of which has been damaged or defaced,  
which has been subjected to misuse, abnormal service or handling, or which has been altered or modified in design or construction.  
In order to enforce the rights under this limited warranty, the purchaser should follow the steps set forth below and provide proof of purchase to the  
servicer.  
The limited warranty described herein is in addition to whatever implied warranties may be granted to purchasers by law. ALL IMPLIED WARRANTIES  
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR USE ARE LIMITED TO THE PERIOD(S) FROM THE DATE OF THE  
PURCHASE SET FORTH BELOW. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply  
to you.  
Neither the sales personnel of the seller nor any other person is authorized to make any warranties other than those described herein, or to extend the  
duration of any warranties beyond the time period described above on behalf of Sharp.  
The warranties described herein shall be the sole and exclusive warranties granted by Sharp and shall be the sole and exclusive remedy available  
to the purchaser. Correction of defects, in the manner and for the period of time described herein, shall constitute complete fulfillment of all liabilities  
and responsibilities of Sharp to the purchaser with respect to the Product and shall constitute full satisfaction of all claims, whether based on contract,  
negligence, strict liability or otherwise. In no event shall Sharp be liable, or in any way responsible, for any damages or defects in the Product which  
were caused by repairs or attempted repairs performed by anyone other than an authorized servicer. Nor shall Sharp be liable or in any way responsible  
for any incidental or consequential economic, property or special damage. Some states do not allow the exclusion of incidental or consequential  
damages, so the above exclusion may not apply to you.  
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY ALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE.  
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Installation Manual for PV Modules  
Ver. 6.0U _ Sep 6, 2012  
Additional Item(s) Excluded from Warranty Coverage  
Warranty coverage does not apply when:  
a) The product is installed or repaired or serviced in a manner that is contrary to Sharp’s Installation Manual;  
b) The product is installed in a mobile or marine environment,  
c) The product is subjected to improper voltage or power surges or abnormal environmental conditions (such as acid rain or other pollution);  
d) The components in the construction base on which the module is mounted are defective;  
e) External corrosion, mold discoloration or the like occurs;  
f) The product has been moved from its original installation;  
g) The model number or serial number of the product is altered, removed or rendered illegible.  
Sharp’s aggregate liability in connection with the Product, if any, shall not exceed the purchase price paid to Sharp for the Product or service which  
gave rise to the claim under the Limited Warranty.  
The repair, replacement of the Product, or the supply of additional Product does not cause the beginning of new warranty terms, nor shall the original  
warranty terms of this Limited Warranty be extended. Any replaced product shall become Sharp’s property  
Where to Obtain Service:  
Warranty service is available at a Sharp Authorized Service Center Dealer located in the United States. To find  
the location of the nearest Sharp Authorized Service Center Dealer, call Sharp toll free at 1-800 SOLAR06  
(800-765-2706).  
Call toll free at 1-800-765-2706 to obtain a Return Authorization Number and shipping instructions. Proof of  
Purchase will be required.  
What to do to Obtain Service: Ship prepaid your Product to a Sharp Authorized Service Center Dealer. Be sure to have Proof of Purchase  
available. If you ship the Product, be sure it is insured and packaged securely. Sharp will not be responsible for  
damage incurred during transport.  
SHARP ELECTRONICS CORPORATION  
Sharp Plaza, Mahwah, New Jersey 07495-1163  
TINSEA120MNZZ  
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Installation Manual for PV Modules  

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