Atmos Energy InterCombi HE32 User Manual download pdf (Page 18)

4.5.4 Installation connections

1. Make the various connections to the valves (see diagram).

2. Install a filling loop (not supplied) between the cold water inlet pipe

and the CH return connection.

3. For most installations, the flexible tube for the safety discharge will

be long enough to fit into the condensate discharge waste pipe (see

below). In cases where this does not apply, install a 15 mm copper

safety discharge pipe to fit into the waste pipe (as shown in the

diagram, §5.1) or run separately to a safe discharge position on the

outside wall of the building.

Note

Where appropriate and always in areas of Hard Water (hardness in

excess of 200ppm), an approved water conditioner device must be

fitted in accordance with the Building Regulations. Atmos can

supply a suitable conditioner for fitting to the cold feed of the

boiler. In areas of hard water, failure to fit a suitable conditioner will

invalidate the warranty.

4.6 Mount the appliance

1. Check whether the compression rings of the optional mounting

bracket are straight in the connectors.

2. Place the appliance: slide it top-down over the mounting strip. Make

sure that the pipes simultaneously slide into the compression

fittings of the optional mounting bracket.

3. The flexible tube from the condensate trap should be inserted into

an open waste pipe of not less than 32 mm diameter. If connected

to a soil pipe or waste system, the waste pipe must include a trap

(similar to arrangement for washing machine). For more information

on condensate disposal, please refer to §4.8.

4. The flexible tube from the pressure relief safety valve should be

inserted into the waste pipe, or pushed over the 15 mm copper

discharge pipe if provided.

5. Tighten the compression fittings to the optional mounting bracket.

6. Mount the air supply and the flue discharge.

7. Close the air supply opening that is not used with the plug supplied.

4.7 Fit the pipework cover (optional item)

1. Insert the four hooks of the pipework cover in the slots of the

appliance.

2. Slide the cover backwards, sliding the hooks into the slots and

locking the cover.

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Atmos Energy InterCombi HE32 User Manual Page 18