Bosch Condens 2000F30 Regular boiler - 4 Pre-Installation; Cleaning Primary Systems; Hydraulic Connections; Connecting Flow and Return

Pre-installation | 17
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4 Pre-installation
4.1 Cleaning primary systems
4.2 Hydraulic connections
4.2.1 Connecting flow and return
Fig. 11 Pipe work connector location
Regular boiler:
[1] Hot water flow (1”)
[2] Gas (3/4”)
[3*] Not use on the Regular boiler
[4] Hot water return (1”)
[5] Condensate outlet
System boiler:
[1] Heating and DHW flow (1”)
[2] Gas (3/4”)
[3*] DHW return (1”) (only if optional diverter valve kit is fitted)
[4] Heating return (1”)
[5] Condensate outlet
NOTICE: Damage to the system caused by a lack of or
insufficient cleaning and servicing.
▶ Get the heating system inspected at least annually by
an authorised heating engineer
▶ Carry out a service as required. Carry out any repairs
immediately to avoid any damage to the system
NOTICE: Before installation
▶ All the following Pre-Installation sections must be
read and requirements met before starting boiler or
flue installations.
CAUTION: MAINS POWER
▶ ISOLATE THE MAINS SUPPLIES BEFORE STARTING
ANY WORK AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
NOTICE: Protect the boiler
▶ Debris from the system can damage the boiler and
reduce efficiency.Failure to comply with guidelines
for the use of water treatment with the appliance will
invalidate the appliance warranty.
WARNING: Sealing agents
▶ The addition of sealing agents to the system water is
not permitted, this can cause problems with deposits
left in the heat exchanger.
NOTICE: Damage to property caused by leaking
connections:
▶ Ensure the pipes are installed without mechanical
strain onto the appliance connections
▶ Refurbish seals when loosening or removing
connection joints
▶ Check gaskets and connections for signs of damage
▶ We recommend the installation of a line strainer in
the system return to protect the heating system
▶ Fit isolating valves before and after the line strainer
to allow for servicing
Fit isolation valves in the flow and return to allow
servicing of the appliance
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