Saturn NHC 25B/30B/41B User Manual

Installation, Maintenance and User Guide
Instruction Manual
Instruction Manual
Read the instructions fully before installing or using the appliance.
INSTALLER, this manual is to be axed adjacent to the boiler.
CONSUMER, retain this manual for future reference purposes.
Constant development eorts may result in minor deviations in
illustrations, functional steps and technical data without prior notice.
Pictures and drawings in the instructions can be dierent from the
appliance. All product images are provided by the manufacturer and are
for reference purposes only.
NHC 25B/30B/41B (Boiler House w/ Combi Option)
NHC 25E/30E/41E (External w/ Combi Option)
NHC 25H/30H/41H (Boiler House w/ Heat Only)
NHC 25EH/30EH/41EH (External w/ Heat Only)

Saturn NHC 25B/30B/41B Specifications

General

Brand	Saturn
Model	NHC 25B/30B/41B
Category	Boiler
Language	English

Summary

Safety Instructions

Operation and display panel (OBC100)

Room Thermostat (LCR-2WE) - Combi only

Fault Codes

Fuel Spillage

Safety

Safe use of kerosene

Guidance on the safe handling of kerosene, including its flammable properties and skin effects.

First Aid

Procedures for accidental fuel ingestion or splashing into eyes.

Flues Regulations

Balanced Flue Siting

Guidelines for positioning balanced flues, including distances from buildings and openings.

Before using the boiler

Pre-Start Checks

Crucial checks to perform on pipe connections before the initial start-up.

How to use

Purging the oil supply

Steps for removing air from the fuel system to ensure proper ignition.

Preparation and checking before start-up

Safety devices

Ignition safety device

Mechanism that deactivates the boiler if ignition fails or flame is lost.

Low water level safety device

Overheat prevention

Frost freezing prevention

Power-failure protection

Everyday checks

Servicing The Boiler

Plumbing Schematic

Choosing of the installation place

Installation diagram : Cistern tank install type

Diagram illustrating the plumbing for an open cistern tank installation.

Sealed System

Precautions

Example of a standard installation

Flue Installation

Commissioning The Boiler

Component Overview

The structure of the boiler

Electric wiring diagram

Electric Wiring – Installation Variations

3 Core Wiring Diagram

Room thermostat (LCR-2WE) - Combi only

OTC Mode

Troubleshooting