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5
Installation
5.1
Unpacking the boiler
Lifting and carrying precautions:
▶ Lift only a manageable weight, or ask for help.
▶ When lifting or putting things down, bend the knees,
and keep the back straight and feet apart.
▶ Do not lift and twist at the same time.
▶ Lift and carry objects close to the body.
▶ Wear protective clothing and gloves to protect from
any sharp edges.
Unpacking
It is advised that two or more persons are involved in the transfer of the
packaged boiler from the van to the point of delivery.
1. Once the packaged boiler has been delivered, the outer carton is
removed first. Care should be taken when releasing the straps. If a
sharp implement is used make sure the outer carton is not pierced
and that the implement is used in such a way so that it may not cause
personal injury. All sharp objects must be covered or the blade
retracted after use and put away in a safe place.
2. Lift carton up and away from the boiler.
▶ Remove the plastic bag and upper front protection cover from the
boiler and place safely aside.
3. Pull control box drawer forward and remove the 2 screws [A] from
the front panel.
4. Lift front panel [B] upwards slightly to disengage and remove. Store
safely away from the working area.
5. Remove the bolts securing the boiler to the transport pallet.
▶ Two or more persons are required to remove the boiler from the
pallet taking care not to damage the boiler, panels or the floor.
At all times the correct method for handling heavy
objects should be strictly observed.
2
4
B
Fig. 28
Greenstar Heatslave II
2022 +
6 721 843 978 (2022/01)
5.2
Pipework positions and flue opening
Safety
All relevant safety precautions must be undertaken. Protective clothing,
footwear, gloves and safety goggles must be worn as appropriate.
Pipework positions
A to G (below) show the flue and pipe positions:
All dimensions in mm
770
726
667
639
Fig. 29
Pipework positions:
[A]
CH flow 22mm Ø copper (28mm Ø on 25/32kW model)
[B]
DHW flow 22mm Ø copper
[C]
DCW mains water inlet 15mm Ø
[D]
CH return 22mm Ø copper (28mm Ø on 25/32kW model)
[E]
Flue outlet
[F]
Pressure relief pipe 15mm Ø
[G]
Condensate outlet 21.5mm Ø
3
Flue opening
▶ Follow figure 31 to mark the centre of the flue (1, & 2) for rear
opening, (2 & 3) for side opening or (1 & 4) for top opening.
A
5
▶ Make an opening (X, Y or Z) through the wall using a core drill or
similar at a size relative to the wall thickness as shown below:
125mm Ø flue
Wall thickness mm
150 - 240
240 - 330
330 - 420
420 - 500
Table 6
CAUTION: Ensure there are no pipes, electric cables,
damp proof courses or other hazards before drilling.
454
337
E
A
35
F
B
65
C
94
D
121
G
19
609
582
For servicing purposes, keep the condensate and
pressure relief discharge pipes away from components
and pipework connections.
All horizontal flue sections must rise away from the boiler
by 52mm per metre to ensure that condensate flows
back into the boiler for safe discharge via the condensate
waste pipe.
Flue hole size Ø mm
Installation
145
E
52
415
155
160
165
170
27
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