Navien LCB700-36LC User Manual

Installation Location Type Model
Internal
Regular
LCB700-21RS
LCB700-28RS
LCB700-36RS
System
LCB700-21LS
LCB700-28LS
LCB700-36LS
Combi
LCB700-21LC
LCB700-28LC
LCB700-36LC
External
Regular
LCB700-21RSX
LCB700-28RSX
LCB700-36RSX
System
LCB700-21LSX
LCB700-28LSX
LCB700-36LSX
Combi
LCB700-21LCX
LCB700-28LCX
LCB700-36LCX
Keep this manual near this boiler for future reference
whenever maintenance or service is required.
Installation &
Operation
Manual
WARNING
If the information in these instructions is not followed exactly, a fire or explosion may
result, causing property damage or personal injury.
–
Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or any
other appliance.
–
Installation and service must be performed by a qualified installer or service agency.
Condensing Blue Flame Oil-Fired Boile
r

Navien LCB700-36LC Specifications

General

Brand	Navien
Model	LCB700-36LC
Category	Boiler
Language	English

Summary

Safety Information

General Installation Guidelines

Compliance Requirements

Details mandatory regulations and standards for installation.

About the Boiler

Specifications

Technical specifications and performance data for various models.

Installing the Boiler

Installation Procedure

Step-by-step flow diagram for boiler installation.

Choosing an Installation Location

Factors to consider when selecting an appropriate installation site.

Adequate Installation Clearances

Specifies required clearances for service and maintenance access.

Installing the System Piping

Installing a Central Heating System

Guidance on connecting the central heating system and its components.

Connecting the Condensate Drain Line

Instructions for safely and correctly connecting the condensate drain.

Testing the Water System

Connecting the Oil Supply

Essential Elements in the Oil Supply

Key components and regulations for a safe oil supply system.

Oil Supply

Flue System

Flue Terminal Positions

Connecting the Power Supply

Connecting Electrical Supplies

Setting the Heating Demand

Connecting Applications - Low Voltage (DC) Application Part

Connecting external devices like thermostats and sensors.

Connecting Applications to the AC Application Part

Connecting diverter valves and other AC-powered components.

Connecting Applications to AC Application Part (With Junction Box)

Installation Check list

Installing the Boiler

Connecting the Space Heating Piping

Connecting the Condensate Drain

Connecting the Oil Supply

Flue System

Connecting the Power Supply

Operating the Boiler

Using the Front Panel

Explanation of the front panel display, icons, and digital information.

Buttons and Command Dial

Description of the controls for boiler operation and settings adjustment.

Adjusting the Temperature

Steps for adjusting central heating and DHW temperatures.

Accessing Basic Menu Items

Accessing Advanced Menu Items

Error Codes

Table of error codes with definitions and possible remedies.

Maintaining the Boiler

Draining the Boiler

Protecting the Boiler from Freezing

Guidelines to prevent freezing damage to the boiler and system.

Maintenance Schedules

Recommended maintenance tasks for owners and service technicians.

Appendices

Wiring Diagram

Electrical wiring schematic for the boiler system.

Component Assembly Diagrams and Parts

Getting Service