INSTALLATION
CDi Compact
ErP
- 6 720 813 276 (2015/07)30
▶ Align the flue turret/vertical adaptor to the appliance flue outlet with
flat facing [3] to the rear of the appliance.
The flue turret/adaptor should be pushed straight down, on to the
appliance.
▶ The three inner flue tube retaining screws [1] are, re-used for the flue
turret and replacement retaining screws [4] supplied with the
adaptor kit are used to secure turret/adaptor to the appliance.
Fig. 40 Flue turret/adaptor connection
Additional notes and reminders:
• Ensure that all cut lengths are square and free from burrs.
• Ensure that the flue and seals are not damaged.
• The flue is sealed when assembled correctly, the components are
pushed fully home and secured.
• The flue is set at an angle of 3° or 52mm per metre length.
• Support the flue at approximately one metre intervals and at a
change of direction, use suitable brackets and fittings
(flue bracket 100mm part number: 7 716 191 177,
flue brackets 100mm x 6 part number: 7 716 191 178,
flue bracket 125mm part number: 7 716 191 179)
Fig. 41 Slope for condensate disposal
5.7 Electrical
• The mains electrical supply to the boiler must be through either a
fused double pole isolator or a fused three pin plug and unswitched
socket situated, where practicable, adjacent to the boiler.
• The isolator must have a contact separation of 3mm minimum in both
poles.
• Any additional equipment connected to the boiler must not have a
separate electrical supply.
• External fuse rating 3A.
Access to electrical connections:
▶ Access to all wiring connections are via the Installer access cover at
the bottom front of the control panel. No access is required to other
parts of the control board.
1. Refer to figure 42 and release the three captive screws securing the
Installer access cover.
2. Remove the Installer access cover.
Fig. 42 Removing the installer access cover
[1] Low voltage connections
[2] Mains voltage connections
[3] Fuse carrier - 5A
Low voltage connections
Fig. 43 Low voltage connectors
CAUTION: Isolate the mains electrical supply before
starting any work and observe all relevant safety
precautions.
The boiler is pre-fitted with a mains supply cable. Route
the cable through the right hand side of the wall
mounting frame.
6720806944-85.1Wo
3
1
3
4
6720644842-10.1Wo
2m
1m
52mm
104mm
Low voltage terminal strip
1 Low voltage room thermostat input (NOT USED)
2EMS bus connections
3 External cut off switch (NOT USED)
4 Outdoor compensation sensor
5 Cylinder sensor (NOT USED on Combi)
6 Low Loss Header sensor (NOT USED)
Table 22 Key to figure 43
6720646608-109.1Wo
EMS
1
2
3
4
5
6
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