Sungrow ST2752UX, Инструкция по эксплуатации и обслуживанию

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4.2.3 Connecting The Drainage Pipe
First locate the bottom pipe drain valve and remove the fixings by squeezing the valve pins
by hand. The drain tube is inserted into the drain valve and the other end of the tube is
inserted into a pre-prepared liquid collection bucket for temporary storage and re-use.
figure 4-3 Pin fixing at the bottom of the valve
figure 4-4 Temporary liquid accumulation buckets
4.2.4 Tool Description
The hydraulic platform (hereinafter referred to as "platform") is as follows:
4 Common Maintenance Operations Operation & Maintenance Instruction