Grundfos DUOLIFT APB Series, Инструкция по установке и эксплуатации

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3.8 Fitting the cable glands
Choose the appropriate cable gland:
Fig. 5 Fitting the cable glands
3.9 Fitting the vent port
1. Fit the gasket on the socket.
2. Fit the nipple in the hole on top of the tank.
3. Fit the nut inside the tank and tighten it.
Fig. 6 Fitting the vent port
3.10 Connecting the vent pipe
The vent pipe is not supplied with the product.
You can connect your vent pipe to the vent port in
three different ways:
•
By means of a PVC vent pipe with an outer
diameter of 63 mm and glue.
• By means of a flexible pipe connection with an
inner diameter of 75 mm and with clamps. A
flexible pipe connection with clamps is available
as an accessory.
• By means of a PP double nipple with an inner
diameter of 75 mm. The nipple must comply with
EN 1451.
3.11 Connecting the inlet pipes
You can connect three or four inlet pipes to the tank,
depending on the tank size. First you must drill the
holes. See section
3.7 Drilling holes for the pipes .
1. Fit the socket seal in the inlet.
2. Connect the isolating valve to the inlet pipe. The
isolating valve is an accessory. Product number
96615831.
3. Insert the inlet pipe into the socket seal.
Fig. 7 Connecting an inlet pipe with an
isolating valve
Cable gland for Unilift pumps: M20
Cable gland for SEG pumps: M25
Cable gland for level sensor hose: M20
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