One-storey terraced house built in the 1990s

Central unit

The most common central units used in terraced houses are C-series central units, which was also the case for this house. The vestibule was somewhat narrow, so the central unit was placed inside the cleaning cupboard. The central unit’s wall bracket was installed on the back wall of the cupboard with surface installation mountings, and the central unit’s support arms were mounted on the bracket. After the piping system was installed, the central unit was lifted onto the bracket. An electrical outlet was installed next to the machine.

Piping system

This location had a wide gable roof, and the building was only one storey high, so it was easiest to install the piping system in the ceiling. This also made it possible to place the wall inlet in a central location inside the residence. Holes measuring 50 mm in diameter were drilled through the upper cabinet to the ceiling for the suction and exhaust pipes. Some insulation was removed from the top of the partition wall inside the ceiling to make the upper beam of the partition wall visible in the spot where the wall inlet was placed. A hole big enough for the dust pipe was drilled into the beam. An elbow coupling was pressed inside the dust pipe and a low-voltage wire was attached to the dust pipe. The dust pipe was pushed inside the partition wall until the wall inlet’s elbow coupling reached the hole made for the wall inlet. The dust pipe was installed to the central unit’s wall bracket through the ceiling. The exhaust pipe was led through the ceiling to the outer wall, under the eaves. A silencer was installed in the exhaust pipe in the attic. Finally, the exhaust vent was mounted on the outer wall, under the eaves.

Wall inlets

The ceiling provided a path for the dust pipe to be led to a central location inside the residence, so a single wall inlet was enough for cleaning the entire residence. The partition wall was made of plasterboard, so mountings intended for plasterboard were drilled into the wall inlet’s mounting holes. Only then was a hole measuring 50 mm in diameter drilled into the wall for the wall inlet. Once the dust pipe was installed inside the partition wall, a piece of a suitable length was cut from an extension piece and used to support the wall inlet’s elbow coupling against the back wall panel. After this, the low-voltage wires were connected to the wall inlet and the wall inlet’s cover assembly was screwed onto the mountings.

Other considerations

Finally, ventilation holes were made in the cupboard where the central unit was placed according to the installation instructions.