Hanging The Boiler - Worcester 27i System Compact Installation, Commissioning And Servicing Instructions

4.5

HANGING THE BOILER

CAUTION: Lifting the boiler
▶ There are two handling holes incorporated into the
inner casing left and right in the lower section of the
appliance.
▶ Do not lift the boiler using the control panel as a hand
hold.
NOTICE: Before hanging the boiler
▶ Remove the plastic strip fitted to pipes.
▶ Release the wire retaining clip for the expansion
vessel connection on the pump manifold.
Please protect the floor from residual water.
The expansion vessel is secured to a bracket on the wall
frame in a "Pre-Installation" position.
Ensure that the control panel is in the closed position
before hanging the boiler.
There is no requirement to re-fit the bottom screws at
this time.
▶ Stand the boiler upright to gain access to the rear of the hydraulic
manifold.
▶ Release the wire retaining clip securing the orange plastic blanking
plug.
1. Remove the blanking plug from the expansion vessel connection at
the hydraulic manifold before hanging the boiler.
▶ Ensure that the wire retaining clip is still fully released so that the
expansion vessel pipe connection can be made into the hydraulic
manifold.
Fig. 31 Removing the blanking plug
1. Ensure that the plastic protection cap, refer to figure 31, is removed
from the expansion vessel connection pipe.
▶ The boiler is mounted on the wall frame utilising the two mounting
points, refer to figure 32, left and right at the top of the wall frame.
Greenstar i System Compact - 6 720 807 726 (2013/05)
1.
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Fig. 32 Mounting points
▶ Hang the boiler on to the wall mounting frame by the two brackets
positioned left and right at the top rear of the appliance. The
expansion vessel is shown removed for clarity.
Fig. 33 Hanging the boiler
WARNING: Bonded washer (gas)
▶ The bonded washer must be used on the gas pipe
isolating valve connection.
▶ Ensure that the gas and water connections to the isolating valves are
made using the washers supplied in the Literature/Hardware pack.
Tighten the gas and water connections firmly.
▶ Connect the PRV discharge pipe on the hydraulic unit onto the PRV
outlet pipework, and hand tighten.
INSTALLATION
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