Installation
Greenstar Danesmoor Utility
2022+
and Utility System
2022+
- 6 721 846 263 (2022/01) 29
5.3 Boiler installation
1. Lift the front of the top panel (A) upwards to disengage the ball stud
connections (B) and pull forwards to release from the brackets (C) at
the back to remove. Pull front panel (D) forward from the bottom and
near the top disengaging the ball studs from their connections (E)
and lift off the ledge (F) that runs along the bottom of the fascia to
remove.
2. Unplug burner lead (G) from control box.
Fig. 36 Boiler installation
Utility system only:
▶ In the case of the Utility system boiler, remove the retaining screw
[1] at the base of the expansion vessel.
▶ Pull the expansion vessel forward slightly and down to remove.
Place the expansion vessel outside of the boiler, taking care not to
kink or stretch the flexible hose.
Fig. 37
3. Unscrew to loosen the retaining ring (H) that secures the flexible air
supply tube to the burner and pull the flexible air supply tube free
from the burner (see figure 38).
Fig. 38
▶ Undo and remove the retaining nut (J) on top of the burner. The
burner mounting (K) can now be eased off the lug (L) on the burner
collar to remove the burner from the heat exchanger. Store the
burner and retaining nut safely away from the boiler.
▶ Carefully move the boiler into position observing at all times the
correct method for handling heavy objects.
5.4 Flue installation
The flue can exit the boiler from outlets A, B, C or D allowing vertical (RS)
and horizontal (RS low or high level) flues to be fitted. (CF position 'A'
only).
Refer to the separate flue installation instructions supplied with the flue
kits available for this boiler:
Fig. 39
[1] Boiler outer casing
[2] Outer flue tube
[3] Outlet/elbow connection
[4] Outside wall/roof
[5] CF adaptor
[L] Effective length of the flue
6720809436-12.1Wo
C
B
E
E
I
D
G
A
1.
2.
1.
oW2.
37
-240
02
802
76
A
C
D
B
5
1
3
L
120mm
4
2
1
3
600mm
(min)
4
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