Grundfos iGRID P-Zone, Инструкция по установке и эксплуатации, Страница: 7 / 80

English (GB)
7
3.2 Installing the pit
Before installing the pit, ensure that the foundation and bedding
layer have been carried out according to the guidlines in
3.1 Preparing the foundation .
Check for external damage to the pit before lowering it into place.
Once the pit is installed, no claims can be made against Grundfos
for any damage.
The following instructions will guide you through the installation of
the pit.
1. Place the pit on the bedding layer.
– Check that the pit is level or leaning slightly towards the
drain pump.
2. Perform the backfill. Ensure that the backfill is carried out
according to the guidelines in section 3.2.3 Backfill .
– Groundwater must not rise above the bedding layer until the
backfill is completed.
– Compact the backfill around the pit up to the lower part of a
pipe connection before connecting the pipes.
3.2.1 Connection of district heating pipes
Install a sensor to register water on the floor or
similar for an alarm to sound in case of flooding and
malfunctions in the pit.
Do not alter the design of the product.
Position the support for the lifting equipment at a
safe distance away from the hole to prevent it from
collapsing.
Carry out work according to local regulations.
DANGER
Falling hazard
Death or serious personal injury
- Ensure to mark off the area around the pit.
- Follow local regulations when working at the pit.
- Use the ladder and handles when descending into
the pit.
WARNING
Risk of being hit by a vehicle
Death or serious personal injury
- Ensure to mark off the area around the pit when
working in the pit.
- Follow local regulations when working in the pit.
WARNING
Crushing hazard
Death or serious personal injury
- Do not stand under or close to hanging load.
- Follow local regulations when working in the pit.
WARNING
Crushing hazard
Death or serious personal injury
- Check that the lifting equipment can lift the load
before lifting the pit. See the weight on the
nameplate.
WARNING
Crushing hazard
Death or serious personal injury
- Position the support for the lifting equipment at a
safe distance away from the hole to prevent it from
collapsing.
- Follow local regulations when working in and in
proximity to the pit.
WARNING
Steam
Death or serious personal injury
- Avoid tension in the pipe connections to the pit and
minimise thermal stress. See fig. 7 .
WARNING
Steam
Death or serious personal injury
- Ensure that the welding is carried out without
tension.
- Ensure that the welded connections are carried out
according to the pipe manufacturer's instructions.