Promax combi he plus instruction manual

It may be necessary to use soap solution or similar to ease assembly of the elbow adaptor and flue Fig. Fit the flue trim if required, and if necessary fit a terminal guard see Section 8. Once the length of the vertical concentric extension has been determined mark and carefully cut off the excess material.

The cut end MUST be square and free of burrs to ensure correct insertion into the boiler adaptor. Measure 25mm from the end of the flue extension and apply a length of tape around the outer duct Fig. Engage the extension into the adaptor up to this position Fig. Once the installation of the flue is complete and all support brackets are securely in place remove the tape. All fittings should be fully engaged. The approximate engagement is 40mm. Apply soap solution to the seal on each fitting to aid assembly.

Their equivalent lengths are:- Concentric Pipes:. The elbow connected to the boiler adaptor is not included in any equivalent length calculations. Suitable pipe supports are available as accessories.

Table Of Contents. Quick Links. You can rely on. Please keep these instructions in a safe place. If you move house, please hand them over to. Table of Contents. Previous Page. Next Page. Wall mounted powered flue condensing boiler gas fired central heating unit 48 pages. Wall mounted powered flue condensing boiler gas fired central heating unit 8 pages. Wall mounted powered flue condensing boiler gas fired central heating unit 13 pages. If you move house, please hand them over to the next occupier.

N 47 Page 3: Quick Reference Guide 1. Page 4: Troubleshooting Boiler not working 2. Select Switch in the gas appliances are operating position and e. Page 5 2. Ensure timer is set for Central Heating ON see any instructions supplied with timer.

Page 6: Repressurising System 3. The water pressure in the central heating system is indicated by the pressure gauge. With the system cold and the boiler not operating the Fig. During operation the Normal Pressure pressure should not exceed 2.