Cleaning Primary System; Appliance Locations And Clearances; Location; Rooms Containing A Bath Or A Shower - Bosch Worcester Greenstar HIU E Installation And Maintenance Instructions Manual

4.5

Cleaning primary system

NOTICE: Risk of damage to system or appliance!
Debris from the system can damage the appliance and
reduce efficiency. Failure to comply with the guidelines
for the use of water treatment with the appliance will
invalidate the appliance guarantee.
▶ Before installation, ensure that the central heating
system is cleaned and thoroughly flushed in
accordance to the standards and guidelines of the
country of installation.
4.6

Appliance locations and clearances

4.6.1

Location

• Follow local regulations for the location within the property that the
appliance is to be installed.
• This appliance is only suitable for installing internally within a
property at a suitable location onto a fixed rigid surface at least the
same size as the appliance and capable of supporting the appliance
weight.
• The appliance is not suitable for external installation.
No surface protection is required against heat transfer
from the appliance.
NOTICE: Appliance damage.
Damage caused by extreme temperatures.
▶ Ensure the ambient temperature is above 2 °C and
below 30 °C.
NOTICE: System damage.
Very cold temperatures can cause the heating system to
freeze, if there is a power failure or a fault in the system
the units frost protection function ( section 5.4
be compromised.
▶ Do not fit the appliance in areas with no heat
emitters, e.g. garage.
▶ Drain the central heating system if it is to be shut
down for an extended period.
4.6.2

Rooms containing a bath or a shower

NOTICE: Risk of electric shock
▶ Any switch or appliance control using mains
electricity must not be within reach of a person using
the bath or shower.
• In all cases the installation must be in accordance with the latest
amendments to the latest edition of the IET Wiring Regulations
(BS7671).
• The IP rating of the appliance.
– Units without internal heat meter, IPX4D.
The IP rating of the appliance allows it to be installed in, and
outside of, zone 2.
– Unit with internal heat meter, IP40.
The IP rating of the appliance dictates that it must be installed
outside of zone 2.
• Circuit breaking devices should be used in accordance with the
regulations.
• The diagram is for guidance only.
6 720 808 928 (2017/06)
Fig. 10 Installations in rooms containing a bath or a shower
[2*] Without the end wall, zone 2 must extend 600mm from the bath.
[†] Radius 600mm.
4.6.3

Installation and maintenance Clearances

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will
Fig. 11 Minimum installation and maintenance clearances
Minimum Installation and Maintenance clearances
1 Overall clearance height
2 Overall clearance depth
3 In front of appliance
4 Overall clearance width
5 Above the appliance
6 Either side of appliance
7 Below the appliance
Pre-installation requirements
†
†
Description
†
6720646608-124.5Wo
Dimensions (mm)
930
870
600
450
30
5
200
19