Lochinvar LBF121, Installation, Commissioning & Maintenance Instructions

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1.0 INTRODUCTION

The Lochinvar LBF range is a wall mounted or floor standing (dependent upon model) direct gas-fired high
efficiency water heater.

The burner is initiated by a full electronic ignition sequence control that incorporates a spark ignition and a
flame rectification device for supervision of the flame.

This equipment is intended for use on Group H Natural Gas (2
nd
Family) and LPG propane (3
rd
Family). The
information relating to propane firing is to be found in Section 12: LPG FUEL . This equipment MUST NOT
use gas other than that for which it has been designed and adjusted.

This equipment must be installed by a competent person, registered with a H.S.E. approved body. All
installations must conform to the relevant Gas Safety and Building Regulations. Health & Safety
requirements must also be taken into account when installing any equipment. Failure to comply with the
above may lead to prosecution.

If the equipment is to be connected to an unvented (pressurised) system, care must be taken to ensure all
extra safety requirements are satisfied should a high or low-pressure condition occur in the system.

The equipment is designed for direct connection to a flue system.

Ancillary Options:
Item Description Part Number
Unvented Water System Kit – LBF-81/121 WH11
Unvented Water System Kit – LBF-151/171 WH10
Unvented Water System Kit – LBF-221/301 WH15
Unvented Water System Kit – LBF-401 WH16
De-stratification Pump Kit WH9
Relay for Flame Failure/High Temperature Indication RLY2716
Correx Electrical Anode Protection – LBF-151/171 CKT9005
Correx Electrical Anode Protection – LBF-221/301/401 CKT9005
Flue System Components Refer to Section 8.0: FLUE SYSTEM
LPG Conversion Kit Refer to Section 13.0: LPG FUEL