Xylem GOULDS e-SVI Series, Инструкция по эксплуатации

Страница: 20 / 40

3. Remove all the welding residue, deposits, and impurities from the tank.
4. Insert the unit in the hole.
5. Check that the minimum distance from the bottom of the tank is maintained.
6. Secure the unit with bolts.
4.1.11 Connect the piping
1. Support the piping independently to prevent them from weighing on the unit
2. On the discharge pipes, install the following components:
– Anti-vibration joint
– Check valve
– Pressure gauge with intercept valve
– On-Off valve
– Downstream check valve
– Pressure gauge
– Automatic relief valve at the highest point of the system
– Minimum pressure device (or level probes inside the tank)
3. Remove the welding residue, deposits, and impurities in the pipes.
4. If necessary, install the filter.
5. Connect the piping to the unit port.
6. Install the return piping away from the suction.
The return piping must be immersed in the liquid to prevent turbulence and air bubbles.
4.2 Electrical installation
4.2.1 Precautions
Before starting work, make sure that the safety instructions have been read and understood.
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
DANGER: Crush Hazard
Moving parts can entangle or crush. Always disconnect and lock out power before servicing
to prevent unexpected startup. Failure to do so could result in death or serious injury.
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all electrical work.
Comply with all local codes and regulations.
WARNING: Electrical Hazard
There is a risk of electrical shock or explosion if the electrical connections are not correctly
carried out, or if there is fault or damage on the product. Visually inspect equipment for
damaged cables, cracked casings or other signs of damage. Make sure that electrical
connections have been correctly made.
CAUTION: Electrical Hazard
Prevent cables from becoming sharply bent or damaged.
4.2.1.1 Grounding (earthing)
Grounding (earthing) must be done in compliance with all local codes and regulations.
4 Installation
18 e-SVI series Instruction Manual