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Powrmatic Manuals
Gas Heater
LNVx90 V
User, installation & servicing instructions
Powrmatic LNVx90 V User, Installation & Servicing Instructions
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Table of Contents
Description of Operation
User Instructions
To Shut down the Air Heater
Operating the Air Heater
Maintenance
Technical Specification
Dimensions
Heater Options
Accessories
Technical Data
Sizing of the Heater
Location
Related Documents
General Requirements
Meters
Installation Pipes
Flue System
Ventilation Requirements
Natural Ventilation
Mechanical Ventilation
To Room or Internal Space
Direct to Outside Air
Ducting Requirements
Air Distribution System
Fitting Space Requirement
Fitting the Unit
Fitting the Unit
Suspending the Heater
Noise Reduction
Room Thermostat Siting
Conversion to Top Flue Outlet
Fitting Flue/Combustion Air Sockets
Installation of Flue System
Flue/Combustion Air Duct System
Individual System - Type C32 Vertical
Internal Combustion Air System
Individual System - Type C12 Horizontal
Vertical System - Top Outlet
Condense Length
General Identification of Electrical Items
Electrical Connections
Initial Wiring Installation
Electrical Cable Installation
External Wiring
Wiring Connections
External Fuses
Lnvx Modulation to Powrmatic MC200
Interconnecting Wiring
Lnvx High / Low to Powrmatic MC200
Lnvx High / Low Internal Wiring
Wiring Diagrams
Lnvx Modulation Internal Wiring
Electrical Installation
Gas Installation
Commissioning and Testing
Adjustments
Burner Gas Pressures
High/Low Regulation
SIT Sigma 843 Adjustment
Minimum Setting
Maximum Setting
Modulating Regulation
Honeywell V4336 Adjustment
Modulating Control Board
Final Adjustments
CCF Adjustments
Flame Current
Limit Thermostat
Air Heater Controls
Handing over the Air Heater
Servicing
Main Fan Assembly
Ignition and Rectification Electrodes
Heat Exchanger
Exhaust Fan
Replacement of Faulty Components
Multifunctional Control
Burners
Electrode Assemblies
Air Pressure Switch
Control Box
Fan Command Module
Centrifugal Fan/Motor
Fault Finding
Modulation Driver LED Indication
Steady on LED
List of Parts
Burner Conversion
Gas Valves
Sigma 843 Adjustment
Gas Conversion
Natural Gas to Propane (LPG) Conversion Data
Propane (LPG) to Natural Gas Conversion Data
Information Required for Ecodesign (Erp) Directive 2009/125
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Technical Specification
2
Technical Data
3
Fitting the Unit
4
Flue/Combustion Air Duct System
5
Commissioning and Testing
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Doc Ref: M104 Issue 1.0 Sep 2018
®
LNVx
User, Installation & Servicing Manual
Issue 1.0 September 2018
ErP COMPLIANT
S E P T E M B E R 2 0 1 8
w w w . p o w r m a t i c . c o . u k
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Summarization of Contents
Certificate Of Guarantee
To Make a Claim
Steps to follow for warranty claims.
Conditions of Guarantee
Requirements for warranty validation.
Exclusions from Guarantee
Components not covered by the warranty.
User Instructions
Checks Before Operation
Preliminary checks before lighting the heater.
Operating the Air Heater
Step-by-step guide for heater startup.
Shutting Down the Air Heater
Procedures for short and long term shutdown.
Description of Operation
Explanation of how the heater functions.
Technical Specification
Technical Data Tables
Detailed performance, input, and output specifications.
Dimensions
Unit Dimensions
Detailed measurements for various LNVx models.
Accessories and Options
Heater Options
Additional modules like mixing boxes and fan plenums.
Downflow Heads
Various angle options for air discharge.
Filter Boxes and Louvres
Air filtration and directional control accessories.
Mounting Brackets
Options for wall and cantilever mounting.
Installation Requirements
General Requirements
Location, electrical, gas, and flue system guidelines.
Ventilation Requirements
Air changes and vent sizing for safe operation.
Flue/Combustion Air Duct System
Installation and configuration of flue connections.
Electrical Cable Installation
Guidance on wiring, connections, and fuses.
Fitting the Unit
Fitting Space Requirements
Clearances needed around the unit for installation.
Suspending the Heater
Methods for mounting the unit securely.
Room Thermostat Siting
Optimal placement for temperature control.
Commissioning and Testing
Pre-Operation Checks
Verifying installation before initial startup.
Burner Gas Pressure Adjustments
Setting high and low fire gas pressures.
Modulating Controls
Configuration of control boards for variable output.
Limit Thermostat Settings
Setting safety temperature cut-offs.
Servicing and Fault Finding
General Servicing Procedures
Annual maintenance requirements and safety.
Component Replacement
Steps for replacing faulty parts like fans or electrodes.
Fault Finding Guide
Troubleshooting common issues using flowcharts.
Gas Conversion
Burner Conversion Process
Changing injectors and settings for different gases.
Gas Valve Adjustments
Setting regulators for natural gas or propane.
Appendices
Ecodesign Directive Information
Data related to energy efficiency regulations.
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