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Gas-Fired, Balanced-Flue or
Power-Vented Unit Heater
LCSA-3
Installation, commissioning, servicing & user instructions
Austria, Belarus, Bulgaria, China, Czech Republic, Croatia, Cyprus, Denmark, England, Estonia, Finland,
Germany, Greece, Hungary, Iceland, Latvia, Lithuania, Montenegro, New Zealand, Norway, Poland, Romania,
Russian Federation, Serbia, Slovakia, Slovenia, South Africa, Spain, Sweden, Turkey, Ukraine
Improper installation, adjustment, alteration, service or maintenance can cause property
damage, injury, or death. All work must be carried out by appropriately qualified persons.
The manufacturer does not take any responsibility in the event of non-observance of the
regulations concerning the connection of the apparatus causing a dangerous operation of the
apparatus, possibly resulting in damage to the apparatus and/or environment in which the unit
is installed.
Please read this document carefully before commencing installation commissioning
and/or servicing.
Leave it with the user or attached to the appliance or gas service meter after installation.
These appliances meet the following EC Directives
DIR 2009/142/EC: GAD
DIR 2004/108/EC: EMC
DIR 2006/95/EC: LVD
DIR 2006/42/EC MD
Applies to
WARNING
1/25
1511LCSA-3--EN
Subject to modifications
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Table of Contents
Summary of Contents for Nortek Global Reznor LCSA-3
- Page 1 1511LCSA-3--EN Gas-Fired, Balanced-Flue or Power-Vented Unit Heater LCSA-3 Installation, commissioning, servicing & user instructions These appliances meet the following EC Directives DIR 2009/142/EC: GAD DIR 2004/108/EC: EMC DIR 2006/95/EC: LVD DIR 2006/42/EC MD Applies to Austria, Belarus, Bulgaria, China, Czech Republic, Croatia, Cyprus, Denmark, England, Estonia, Finland, Germany, Greece, Hungary, Iceland, Latvia, Lithuania, Montenegro, New Zealand, Norway, Poland, Romania, Russian Federation, Serbia, Slovakia, Slovenia, South Africa, Spain, Sweden, Turkey, Ukraine WARNING...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1.0 INTRODUCTION Basic Information Warranty 2.0 TECHNICAL DATA Specifications Dimensions 3.0 GENERAL REQUIREMENTS Related Documents Heater Location Combustion Air Inlet Pipe and Flue Pipe Air Supply Air Distribution System Electrical Supply Gas Supply 4.0 INSTALLATION Uncrating and Preparation Suspending the Heater Fitting the Combustion Air Inlet/Flue Pipe System 4.3.1... -
Page 3: Introduction
HAZARD INTENSITY LEVELS WARNING: The electrical isolator should only be used in an emergency and should DANGER Failure to comply will result in not be used for closing down the main severe personal injury or burner, as it switches off the fan death and/or property... -
Page 4: Technical Data
TECHNICAL DATA 2.1 Specifications Table 1a LCSA 12-3 20-3 30-3 35-3 45-3 50-3 60-3 75-3 100-3 120-3 145-3 Gas category see table 1B B22P Comb. Air & Flue, type B C12, C32, C42, C62 Comb. Air & Flue, type C Connection collars Heat input Hs 13,33... - Page 5 Table 2 :Injector size and burner pressures Belarus, China, Croatia, Czech Republic, Cyprus, England, Estonia, Greece, Iceland, Latvia, Lithuania, Montenegro, New Zealand, Portugal, Serbia, Slo Slovakia, South Africa, Spain , Turkey, Poland LCSA-3 Model Injector quantity 1,50 2,10 2,10 2,20 2,20 2,40 2,70...
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Page 6: Dimensions
2.2 Dimensions 250 min Flue Outlet Flue Inlet Gas Connection 500 min Electrical connections Service panel Suspension points (M10 female) LCSA 12-3 1/2"G 20-3 1/2"G 30-3 1/2"G 35-3 3/4"G 45-3 3/4"G 50-3 1298 3/4"G 60-3 1298 3/4"G 75-3 1298 3/4"G 100-3 1298 1022... -
Page 7: General Requirements
GENERAL REQUIREMENTS 3.1 Related documents It is important that all gas appliances are installed in Air heaters should not be installed in accordance with rules force corrosive atmospheres, i.e. near plating appropriately qualified persons. Failure to install or degreasing plants or in areas where appliances correctly could lead to prosecution. - Page 8 3.3.1 Flues for power vented installations Both the flue and combustion air pipes must be sealed. Use gasket sealed seamless aluminium pipe or (Type B appliances) equivalent. If the air heater is to be installed as a type B The flue pipe must include a re-sealable test port to appliance, air for combustion will be taken from allow good average sampling of the flue gas mixture within the space where the heater is installed.
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Page 9: Air Supply
3.4 Air supply "Where free blowing air heaters are installed it must be taken into account that heated air is buoyant when it It is important to ensure that there is an adequate leaves the appliance, therefore, air patterns within the air supply at all times for both combustion and space being heated will modify the air throw pattern heating requirements. -
Page 10: Installation
INSTALLATION 4.1 Unpacking and preparation IMPORTANT: Suspend the heater from the threaded nut retainers. Do not suspend from the heater cabinet panels. Prior to dispatch, the air heater was operated and Do not place or add additional weight to the suspended tested at the factory. -
Page 11: Gas Connection
Figure 4 Figure 5 4.4 Gas connection 4.5 Electrical connections Connection to a gas network may only be carried The electrical installation may only be carried out by out by appropriately qualified persons. The gas appropriately qualified persons observing the rules installation must comply with the rules in force in force. -
Page 12: Air Distribution
4.6 Room thermostat location sources e.g. the sun, process plant, etc. The Do not attempt to control more than 1 air heater thermostat temperature sensor should from a room thermostat or control panel unless mounted on a vibration free surface and mounted properly wired relay... -
Page 13: Suspension And Support
6.3 Suspension and support 6.4.3 To turn the air heater "OFF" for long periods Adjust the room thermostat to OFF or its lowest Check to ensure that the air heater is adequately setting. When the fan has stopped, turn OFF the suspended or supported and that no other parts have gas supply and then switch OFF the electricity been fitted that are not independently supported and... -
Page 14: Air Distribution System
Figure 7 : Honeywell gas valve Turn room thermostat to its lowest setting. The main burners should extinguish while the fan continues to run to cool the air heater. The fan delay relay will normally be de-energized and stop the fan motor in approximately 45 seconds. -
Page 15: Servicing Instructions
SERVICING INSTRUCTIONS IMPORTANT: inside burner tube clean (cleaning Only appropriately qualified persons may carry out thoroughly with a degreaser as recommended servicing and fault finding on this gas fired equipment. will retard future build-up of dirt). Inspect the Before commencing service ensure that both the gas and burner for any damage or deterioration. -
Page 16: Removal And Replacement Of Parts
Removal & replacement of parts LCSA-3 heaters must only fitted with Remember! authorized replacement parts. These heaters must After any service work has been carried out, the air certificated spare parts comply with heater must be fully commissioned. See section 6 legislation. -
Page 17: Main Burner Injectors
8.2 Burner injectors 8.4 Multi-functional gas control valve 1. Carry out steps 1 to 6 of section 8.1. 1. Ensure gas supply to the air heater is turned 2. Unscrew the main burner injectors. OFF. 3. Re-fit new injectors. 2. After the air circulation fan has stopped, switch 4. -
Page 18: Fault Finding
FAULT FINDING Fault finding may only be carried out by appropriately qualified persons 9.1 Main fault finding chart - Lock-out indicator light is "OFF", but air heater will not operate Is the thermostat above room temperature and if used is the time Set thermostat above room clock"ON"... - Page 19 9.2 Ignition Controller Lockout indicator Light Repeatedly Comes "ON" Is polarity of mains correct? Correct polarity Does the inlet gas pressure agree with the correct the gas supply data badge pressure Wait 15" and press reset button Check spark gap and ceramic &...
- Page 20 9.3 Limit Control Fault Finding Chart (limit control trips) Note LCSA-3 air heaters are equipped with 2 limits (a recycling limit and a manual reset limit). During normal operation, neither limit should trip even if the main electric supply is interrupted during operation. In the event of motor failure, the recycling limit will trip opening the gas valve.
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Page 21: Parts List
PARTS LISTING Settings Description Part number Delta P switch S3: 12-3 30 60617 238 238Pa out 250Pa in Delta P switch S3: 20-3 /30-3 30 60617 175 175Pa out 203Pa in 162 7Pa out 176 7Pa in Delta P switch S3: 35-3/45-3 / 50-3 30 60621 155 Delta P switch S3: 60-3 / 75-3 / 100-3 30 60617 175... -
Page 22: Users Instructions
USER INSTRUCTIONS Operating: If the thermal overheat control requires resetting How the air heater works: and doing so restarts the air heater, wait until Gas is burned by an atmospheric burner which fires the appliance warms to thermal equilibrium, to into a heat exchanger. -
Page 23: Health & Safety Statement
HEALTH & SAFETY STATEMENT 13.6 Thermostat 13.1 General Material: Illuminating Kerosene. Under Consumer Protection 1987 Description: Sealed phial contains a small quantity in Section 6 of the Health and Safety at Work Act 1974 liquid form. we hereby provide the following information on Recognition: Colorless liquid, paraffin oil/petroleum substances hazardous to health. - Page 24 CERTIFICATE EC DECLARATION OF CONFORMITY OF MACHINERY (Annex II 1 A of EC Machinery Directive 2006/42/EC) Nortek Global HVAC Belgium nv J&M Sabbestraat 130/A000 B-8930 Menen, Belgium Hereby declares that the following gas-fired unit heaters: LCSA-3 Types 12, 20, 30, 35, 45, 50, 60, 75, 100, 120, 145...
- Page 25 Registered in England N° 1390934. Registered office: 10 Norwich Street, London, EC4A 18D Nortek Global HVAC is a registered trademark of the Nortek Global HVAC Limited. Because of continuous product innovation. Nortek Global HVAC reserves the right to change product specification without due notice.