5 Maintenance; Replace Surge Protection Device (Spd) - Delta RPI M80U Operation And Installation Manual

Maintenance
5 Maintenance
Please check the unit regularly. If there are any impaired or loose parts, please contact
your solar installer. Ensure that there are no fallen objects in the path of the heat outlet.
- Before any maintenance, please switch AC and DC power off to avoid risk
of electrical shock.

5.1 Replace Surge Protection Device (SPD)

RPI M80 series models have the surge protection device (SPD) at both AC and
DC side as shown in Figure 5-1. Table 5-1 summarizes the specifications of AC
and DC SPD.
Specification of SPD
Work voltage : 895V (AC RMS value)
Work Amp In (8/20μs) : 10kA
Rate Amp I max (8/20μs) : 20kA
Temperature : -40℃∼85℃
Manufacturers :
Sichuan Zhongguang Lightning Protection Technologies Co., Ltd
WARNING !
Figure 5-1 : AC and DC SPD
1175V (DC)
Table 5-1 : SPD Specifications
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