Installing The Product; Checking The Product Prior To Installation; Location; Mechanical Installation - Grundfos JPA Series Installation And Operating Instructions Manual

2. Installing the product

Observe local regulations concerning
limits for manual lifting or handling.
CAUTION
Crushing of feet
Minor or moderate personal injury
- Use safety shoes when handling the
pump.
2.1 Checking the product prior to
installation
Check that the rotating parts turn freely. Position
numbers refer to fig. 1.
1. Remove the fan cover (13) from the motor.
2. Insert a screwdriver in the notch on the motor
shaft.
3. If the rotor is blocked, turn the screwdriver,
tapping it gently with a hammer.
Fig. 1 Checking the rotating parts

2.2 Location

Install the pump in a well-ventilated location,
protected from rain, snow and direct sunlight. The
ambient temperature must not exceed 35 or 55 °C.
See the nameplate.
Fig. 2 Weather conditions
We recommend that you place the pump as close as
possible to the liquid to be pumped.
2.2.1 Frost protection
If the pump is not used during periods of frost, it
must be drained to avoid damage.
Remove the drain plug to drain the pump. See fig. 3.
Fig. 3 Draining the pump

2.3 Mechanical installation

2.3.1 Positioning the product
Install the pump in horizontal position.
Install the pump so that it is not stressed by the
pipes.
We recommend that you fasten the pump to the
foundation and use pipe hangers, thus ensuring that
vibrations caused by pump operation are absorbed.
See fig. 4.
Max. 8 m / 26 ft
Fig. 4 Fastening the pump and the pipes
0/Off
1/On
3