Boiler Installation - Bosch Worcester Greenstar Danesmoor External Regular ErP+ 12/18 Installation, Commissioning And Servicing Instruction Manual

Installation
Safety
All relevant safety precautions must be undertaken.
Protective clothing, footwear, gloves and safety goggles must be worn as
appropriate.
For servicing purposes, keep condensate discharge pipe
away from components and pipework connections.
Pipework connections - Regular
• Flow connections (optional combined feed and vent) 1" BSP
• Return connections 22mmØ copper on 12/18, 18/25 models and
28mmØ copper on 25/32 models
• Condensate outlet 21.5mm Ø
Pipework connections - System
• Flow connections 12/18 & 18/25 - 22mm Ø , 25/32 - 28mm Ø .
• Return connections 22mmØ copper on 12/18, 18/25 models and
28mmØ copper on 25/32 models
• Condensate outlet 21.5mm Ø
• PRV - 15mm
5.3

Boiler installation

▶ Mark position of the 100mm services duct on the exterior wall and
make a hole through.
▶ Remove the screws [1] securing the base panel to the transit pallet
and lift the boiler off the pallet and into its installation position taking
care not to scrape the base panel across the hard standing.
– Do not attempt to lift and position the boiler on your own.
– Do not use the copper pipes to move the boiler.
▶ Fasten the base to the hard standing using the holes provided. Care
should be taken to ensure that the base is level.
▶ Remove the screws from the top panel and lift up to remove, store
safely away from the installation point. Remove the screw tool from
the installation pack.
▶ Remove the key for the door latches from the literature pack.
– Remove the key for the door latches from the literature pack.
Using the key, turn the latches at the bottom of the front panel
through 90° to release the panel. Lift the panel and pull towards
you to remove.
– To release the back panel, remove the two screws from the
bottom corners and lift the panel and pull towards to remove.
– Store both panels safely away from the installation point.
Fig. 26 Access to boiler
20
▶ Unplug burner lead [1]from control box.
▶ Unscrew to loosen the retaining ring [4] that secures the flexible air
supply tube [3] to the burner and remove from the burner.
▶ Undo and remove the retaining nut [2] on the top of the burner.The
burner can now be removed from the heat exchanger. Store the
burner and retainer nut safely away from the boiler.
1
Fig. 27 Disconnecting burner
▶ Measure the 100mm Ø services duct to give at least 10mm inside the
casing and to finish flush with the interior wall surface, cut to size and
fit the duct. Fit the 100mm sealing ring where the duct enters the
casing and seal the joint to the exterior wall and inside the cabinet
with a suitable sealant.
1
6720809437-15.2Wo
Greenstar Danesmoor External
2
ErP+ and External System ErP+ 6720821725 (2018/04)
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4