Lpg Fuel; Related Documents; Conversion To Lpg - Lochinvar HERALD HCB46CE Installation Manual

18.0 LPG FUEL

It is strongly recommended that, on LPG installations, gas detection equipment is fitted. This
equipment should be positioned near the appliance and at low level. It is also important that
the space housing the appliance is adequately ventilated at high and low level. This appliance
must not be located below ground e.g. in a cellar.
18.1

RELATED DOCUMENTS

In addition to those documents listed in Section 5.1: RELATED DOCUMENTS within the main body of the installer's
guide the gas installation should also comply with the guidance offered in the following documents.
BS 5482-1: 2005
The operation of the Herald range on LPG-Propane (3
the design and installation details described in the main body of the installer's guide should be followed.
18.2

CONVERSION TO LPG

This process must be carried out in the order stated before the boiler is switched on. Failure
to follow the following procedure may lead to non-warrantable damage to the boiler. The
conversion must be carried out be a competent person certified for work on LPG fuel.
In the event of any seal or gasket being broken it is essential that the seal or gasket be
replaced. Contact Lochinvar limited for replacement seals and gaskets.
Model
HCB46CE
HCB61CE
HCB86CE
18.2.1 LPG ORIFICE MARKINGS
Code of practice for domestic butane and propane gas burning installations.
Part 1: Installations at permanent dwellings, residential park homes and commercial
premises, with installation pipework sizes not exceeding dn25 for steel and dn28 for
corrugated stainless steel or copper.
Family) 3P is similar to that on Natural Gas (2
rd
Part No.
ORF2022
ORF2023
ORF2024
Stamp
4.98  0.025
150
210 5.56  0.025
285 6.76  0.025
Family) 2H and
nd
Size
62