Installation; Location; Mounting; Connection To Overflow - Grundfos RMQ-A Montage- Und Betriebsanleitung

6. Installation

6.1 Location

If the RMQ unit is installed below sewer level, the
overflow must be connected to a lifting station which
pumps the water up to sewer level in case of
overflow. See also section
overflow.
Place the RMQ unit as follows:
• In a room with floor drain.
• At least 40 cm below the ceiling, measured from
the top of the unit. This distance is necessary to
be able to carry out maintenance and service
work, if required.
• On a plane wall in the vertical position.

6.2 Mounting

Procedure
1. Remove the wall bracket by pulling it downwards
until it disengages from the cabinet.
2. Fasten the wall bracket in the horizontal position
using the rawlplugs and screws supplied.
3. Mount the RMQ unit on the bracket.

6.3 Connection to overflow

Procedure
1. Remove the front part of the cabinet. See fig. 3.
Fig. 3 Removing the front part of the cabinet
2. Connect the socket of a DN 70 pipe to the
overflow pipe of the unit. See fig. 1, pos. 10.
The overflow pipe must be vented under
all conditions; otherwise a vacuum may
Note
form, causing water to be drawn from the
collecting tank.
3. Before fitting a bend, if required, check that the
DN 70 pipe has a vertical fall of minimum 50 cm.
Connect the overflow to the sewage system via a
vented pipe.
6
6.3 Connection to
The RMQ overflow does not function as a
Note
water seal.
1
2
Fig. 4 Overflow to sewer, example 1
Pos. Description
1 Air vent cap
2 Water seal
Fig. 5 Overflow to sewer, example 2
Min. 0,5 m
Min. 0,5 m