SMA SUNNY BOY 3.8-US Instructions D'installation page 25

SMA Solar Technology America LLC
Recommended Clearances:
To guarantee optimal operation and adequate heat dissipation for the inverter, the following
requirements for clearances should be observed. This will prevent the inverter power output from
being reduced due to excessive temperatures. However, smaller clearances are permitted without
causing any risk.
Prescribed clearances in accordance with the National Electrical Code
Canadian Electrical Code
Under certain conditions, the National Electrical Code
CSA C22.1 specify greater clearances.
• Ensure that the prescribed clearances in accordance with the National Electrical Code
or Canadian Electrical Code
☐ Maintain the recommended clearances to walls as well as to other inverters or objects.
☐ If multiple inverters are mounted in areas with high ambient temperatures, increase the
clearances between the inverters and ensure sufficient fresh-air supply.
550 mm
(21.64 in)
Figure 4 : Recommended clearances(Dimensions in mm (in))
Permitted and prohibited mounting positions:
☐ The inverter must only be mounted in one of the permitted positions. This will ensure that no
moisture can penetrate the inverter.
☐ The inverter should be mounted in such a way that the LED signals can be read without
difficulty.
Installation Manual
®
CSA C22.1
®
CSA C22.1 are adhered to.
600 mm
(23.62 in)
®
or the Canadian Electrical Code
550 mm
(21.64 in)
SBSxx-US-10-IA-xx-11
5 Mounting
®
or
®
®
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