Caution: Only qualified personnel should perform work on photovoltaic systems such as installation, commissioning,
maintenance and repairs. Be sure to follow the safety instructions for all system components. Ensure relevant local codes
and regulations for health and safety and accident prevention are observed.
REC TwinPeak Series Installation Manual - UL 1703
Rev B - 03.15
Ref: NE-06-08-B
2
TabLE oF FigURES
2
IntRoDuCtIon 3
How To USE THiS MaNUaL
3
YoUR RESPoNSibiLiTY aS aN iNSTaLLER
3
SUPPoRT 3
LiabiLiTY DiSCLaiMER
3
ElECtRICal InstallatIon
4
ELECTRiCaL REQUiREMENTS
4
i)
SYSTEM REQUiREMENTS
4
ii) CoNNECTioN
4
iii) STRiNg CoNFigURaTioN
4
iv) wiRiNg LaYoUT
4
v) JUNCTioN box, CoNNECToRS aND MaTERiaLS
4
vi) CabLE MaNagEMENT
4
vii) ELECTRiCaL RaTiNgS
4
SaFETY MEaSURES
4
i)
SaFETY iN THE woRkiNg aREa
4
ii) PREvENTiNg CURRENT gENERaTioN
4
ii) SPECiFiC HazaRDS oF DC ELECTRiCiTY
4
iv) SaFETY REQUiREMENTS
4
mECHanICal InstallatIon
5
FiRE gUiDELiNES
5
oRiENTaTioN 5
ENviRoNMENTaL FaCToRS
5
PaNEL HaNDLiNg
5
mountInG tHE panEls
6
PaNEL iNSTaLLaTioN
6
i)
RaiL SPECiFiCaTioNS
6
ii) CLaMP SPECiFiCaTioN
6
iii) MoUNTiNg HoLES
7
iv) SLiDE-iN SYSTEMS
7
v) DRaiNagE HoLES
7
vi) LoNg SiDE MoUNTiNg USiNg CLaMPS
8
vii) SHoRT SiDE MoUNTiNg USiNg CLaMPS
8
viii) gRoUNDiNg
8
maIntEnanCE 9
CLEaNiNg iNSTRUCTioNS
9
SYSTEM iNSPECTioN
9
RECYCLiNg
9
panEl InfoRmatIon
10
TECHNiCaL iNFoRMaTioN
10
DoCumEnt HIstoRy
11
number
title
page
number
title
page
Fig. 1
Panel mounting options
6
Fig. 7
Drainage holes
7
Fig. 2
Rail specifications
6
Fig. 8
Long side mounting
8
Fig. 3
Clamp specifications
6
Fig. 9
Short side mounting
8
Fig. 4
Panels secured at four points
6
Fig. 10
Recommended grounding
9
Fig. 5
Mounting holes
7
Fig. 11
Minimum bend radius
10
Fig. 6
Mounting using mounting holes
7
Fig. 12
Panel dimensions
10
Fig. 13
Frame cross-section and dimensions
10
tablE of fIGuREs
CoNTENTS