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Solar Energy Systems
Mounting instructions – MSP-FR-EW flat roof PV mounting system
Figs. 23A, 23B, 24A, and 24B: Fixation of PV panels
1. Click into the supports the end clamps (MSP-PR-EC, ) (at the panel edges on the outer edge of the PV
blocks) and middle clamps (MSP-PR-MC, ) (locations between two adjoining panels).
2. Fix the panels into place by tightening the clamps with a torque of 10 Nm. The clamps positioned on high
supports (MSP-FR-EW-SH, ) should be tightened before tightening the corresponding clamps positi-
oned on the low supports (MSP-FR-EW-SL, ).
3. After tightening the clamps flanges should overlap the panel frames by a minimum of 7 mm.
Fig 25: Cover cable trays
Note: This step shows an option for attaching cable trays. The cable tray covers are not provided.
Fig. 26: Grounding PV installation
Note: The equipment required for this step is not supplied by Schweizer. The method indicated is only a sug-
gestion, there are numerous ways to achieve this. The customer must decide how best to achieve a ground-
ing of the PV system.
1. Connect the earthing equipment by screwing into the side hole of a low support (MSP-FR-EW-SL, ).
Every PV block will need to be earthed individually.
© Ernst Schweizer AG
Ernst Schweizer AG, Metallbau
CH-8908 Hedingen
Telefon +41 44 763 61 11
Telefax +41 44 763 61 19
www.schweizer-metallbau.ch
Mounting instructions - MSP-FR-EW
technical changes reserved
27.03.2015/BRX
page 8/12
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