Download Bosch WR11 series Technical data

Siting of the heating and hot water distribution unit
Hot water distribution connection layout
29.50
Installation clearances
A minimum of 600mm is required in front of the unit. The
Top view
other sides can be blocked. A minimum of 25mm is required
between the unit and other permanent installations e.g.
558
walls, sinks, etc.
DHW
Expansion
vessel
Front view
Inlet control set
Min. 25mm
Min. 600mm
Wall
Front
Heating and
hot water
distribution
unit
Insulated
wall
The inlet control set
supplied should be
mounted externally in line
with G3 regulations.
Min. space 1,240mm
Connection area seen from behind
Return to
heat pump
Heat pump
top connection
Heating system
top connection
Heating and hot water distribution unit
pipework connections
The return is connected to the inlet marked ‘return flow’.
Flow from
heat pump
Cold water and hot water are connected to inlets marked
Heating system return
Heating system flow
Cold mains in
Hot water out (taps)
‘cold water’ and ‘hot water’.
The unit can be connected either from the top or from the rear connections.
Pipework dimensions
Heating and hot water distribution unit pipework dimensions
dirt before it can enter the heat pump. Accordingly, the
Heating flow and return
Connection size
22mm dia.
22mm dia.
22mm dia. (in HWDU)
Floor preparation
To indoor unit
Connection size
28mm dia. (in heat pump)
The appliance is designed to be free standing and should
be located on a flat surface which is able to support the
From heat pump
Waste water/drainage
It should be fitted as close to the heat pump as possible
and be horizontal.
To/from connections
Connection size
supplied particle filter valve should always be fitted on the
return pipe between the indoor and outdoor unit.
Hot and cold water
Connection size
The purpose of the particle filter valve is to filter out
32mm dia. (in both)
weight of the product, accessories and fluid content. The
appliance has rubber feet which can be adjusted to
All connections must be made using the sizes listed above.
suit the installation.
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