Powrmatic ErP NVS 140 Page 30 User, Installation & Servicing Manual Download

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page no. 30 of 36

NVS Range Users, Installation & Servicing Instructions Doc Ref M102 issue 2.4 May 2018.

Item

Description

Usage

Part No.

Gas Valve V4105A

145035208/KIT

Gas Valve VR4605AB

60 - 90

145035204/KIT

Gas Valve V425AB

140

141378715/KIT

Ignition Electrode

30/60
90/140

142423002
142400004

Rectification (Flame Sensor) Probe

All

142423003

Burner

30/60
90/140

142400240
142400241

Limit Stat

All

142403609

Fan Command Module

All

142403605

Control Box (Sequence Controller)

All

145030847

Pressure Switch Dungs LGW

All

146522174

Float switch

All

144807869

3.1 List of Parts

Summary of Contents for ErP NVS 140

Page 1: ...m a t i c c o u k 4 4 0 1 4 6 0 5 3 5 3 5 i n f o p o w r m a t i c c o u k Doc Ref M102 Issue 2 4 May 2018 Industrial Commercial Heating Systems NVS Condensing Gas Unit Heater User Installation Servi...

Page 2: ...lier or installer will then contact Powrmatic to make a guarantee claim on your behalf Conditions of Guarantee 1 The heater must have been installed by a competent recognised installer and in accordan...

Page 3: ...f you have any questions or concerns regarding this product please contact our Technical Support Team by calling 01460 53535 Title Section Contents Page User Instructions 4 Pre Installation 1 1 Introd...

Page 4: ...tified and the thermostat manually reset The thermostat is located next to the indicator light and unscrewing the cover cap exposes the reset button which can then be depressed Note The limit thermost...

Page 5: ...heating commercial or industrial premises All variants are for internal use only NVS heaters feature a closed combustion circuit and have an internal exhaust fan mounted downstream of the heat exchang...

Page 6: ...0 8 8 Propane l h 1 2 1 7 3 0 4 4 Flue Diameter mm 100 130 Maximum Length Flue Only m 12 Room Sealed m 6 Combustion Air Spigot mm 100 130 Noise Level dB A 54 62 66 67 Nett Weight NVS F kg 124 177 245...

Page 7: ...PLAN VIEW R H SIDE VIEW GAS ENTRY POINT REAR VIEW C A B Q D G F P N 122 394 394 M K J H SUSPENSION POINTS M10 FRONT VIEW PLAN VIEW GAS ENTRY POINT REAR VIEW SUSPENSION POINTS M10 C A K J J H 122 394 3...

Page 8: ...SUSPENSION POINTS M10 63 L S R T S R T DetailedView Of Gas Entry Point Condensate Drain Point Model X Y 30 60 280 90 90 140 280 65 P Y N X GAS ENTRY POINT CONDENSATE DRAIN POINT FRONT VIEW PLAN VIEW...

Page 9: ...l Inlet Pressure 37mbar Minimum Inlet Pressure 37mbar F Models CCF Models MODEL Motor kW Nominal Motor R P M Rated Amps A Start Amps A Run Amps A Fuse Rating A Motor kW Nominal Motor R P M Rated Amps...

Page 10: ...rial Environments and EN 61000 6 2 2005 Generic Immunity for Industrial Environments 1 3 2 Location Powrmatic NVS units are designed to operate within an ambient temperature range of 10 to 25 C NVS he...

Page 11: ...e installation planning stage in order to establish the availability of an adequate supply of gas An existing service pipe must not be used without prior consultation with the local gas undertaking Th...

Page 12: ...on products ducted to the outside air NO additional provision for the supply of either combustion air or for combustion products dilution or additional provision for the supply of air is necessary Typ...

Page 13: ...as duct routes they should be suitably lined with a fire resisting material A full and unobstructed return air path to the air heater s must be provided If the air heater s is installed in a plant roo...

Page 14: ...viewed at front of heater mm 200 C Top of heater mm 200 D Rear of heater dependent on flue system mm 600 E Recommended mounting heights floor level to underside of unit NVS30F 40F mm 2500 3000 NVS60F...

Page 15: ...uspension Threaded drop rods must have lock nuts fitted that are tightened down onto the 10mm fixings in the heater If reducing noise levels is important the heater should be insulated from the struct...

Page 16: ...r of silicon grease to the inside of sockets will assist in fitting components together All flue and combustion air ducts must be supported independently of the air heater The flue or flue combustion...

Page 17: ...length so as to maintain joint integrity Extend the drainage off take of the condensate drainage length to a suitable gully or drain 4 Ensure that internal silicon sealing rings are in place and that...

Page 18: ...eason e g freezing and consequently condensate builds up in the heater a float switch will operate and shut the heater down The outlet from the trap must be run to a local drain point As NVS heaters w...

Page 19: ...See the wiring diagram for the heater electrical connections All units with the exception of units supplied with a centrifugal fan silencer duct section are fully prewired and only require final conne...

Page 20: ...s and instructions are supplied with the respective controller 2 4 3 External Wiring The wiring terminals are located inside the electrical box behind the side door which firstly has to be opened The...

Page 21: ...661 142403605 146522174 142423002 142423003 143070274 142400303 143000816 15 15 16 16 7 7 7 7 8 8 8 8 9 9 9 9 Br Blu 0 5 Br Br Blu Blu Wh Wh Or Yel Or I 18 18 20 19 COM NO NC 17 17 0 10v or Hi Fire 0v...

Page 22: ...Panel Terminals J Additional Wiring for Optional Items Modulating Burner Hi Lo Burner Interconnecting Wiring Powrmatic MC200 MC200 fuelsaver SEN 1 COM IN 2 0 10v 0 10v Reset Lockout Heat Hi In Heat H...

Page 23: ...e leaving the factory After establishing the main burners test round the gas inlet connection using a leak detection fluid 1 Switch on the electrical supply at the isolator 2 If the High limit indicat...

Page 24: ...tained Turn the burner On and OFF several times to check the pressure setting and then turn off Minimum Setting Disconnect electrical connection of high low regulator and turn burners back on and wait...

Page 25: ...r removing the plastic cover from the Modulating regulator Note Minimum fire setting must be adjusted first after which the high fire setting can be set Any adjustment of the minimum fire setting alte...

Page 26: ...s set at 40 the drop out voltage with an input control signal of 0 10V DC is 4 0V DC 4 Potentiometer P3 Default setting 100 Controls the maximum hold in voltage Its proportional value is added to the...

Page 27: ...Remove the two screws that secure the top of the burner assembly to the bulkhead and lift out burner assembly 5 Using a stiff brush not a wire brush brush the burners to dislodge accumulated deposits...

Page 28: ...securing the fan to the base rails 6 Reassemble in reverse order 2 7 6 Condense Drain Trap Ensure that the condense trap is clean and that the drainage pipe work is not blocked or damaged 2 7 7 Repla...

Page 29: ...ew gaskets and silicon sealant as necessary and reassemble in reverse order 2 7 7 6 Air Pressure Switch 1 Remove the two screws securing the cover and remove cover 2 Disconnect electrical connections...

Page 30: ...60 90 145035204 KIT Gas Valve V425AB 140 141378715 KIT Ignition Electrode 30 60 90 140 142423002 142400004 Rectification Flame Sensor Probe All 142423003 Burner 30 60 90 140 142400240 142400241 Limit...

Page 31: ...OD 142400303 Exhaust Fan Exhaust Fan c w Mounting Brackets 30 30 140210496 NV1050EXH Exhaust Fan Exhaust Fan c w Mounting Brackets 60 60 140201505 NVS6075EXH Exhaust Fan Exhaust Fan c w Mounting Brack...

Page 32: ...3 screws 3 Release the outlet connection flange from the gas valve by removing the four screws 4 Remove the manifold by removing the four screws securing it to the burner assembly 5 Remove the main bu...

Page 33: ...142401673 26 5 7 6 NVS60 NV60LPG 8 1 55 155 142401675 20 0 7 4 NVS90 NV90LPG 6 2 10 210 142401676 24 0 8 4 NVS140 NV140LPG 10 2 10 210 142401676 22 6 6 9 Propane LPG to Natural Gas Conversion Data Nom...

Page 34: ...ficiency High Fire 103 101 104 101 Low Fire 96 100 100 100 Electrical Power Consumption High Fire kW 0 07 0 07 0 07 0 07 Low Fire kW 0 07 0 07 0 07 0 07 Standby kW 0 01 0 01 0 01 0 01 Ignition kW 0 00...

Page 35: ...page no 35 of 36 NVS Range Users Installation Servicing Instructions Doc Ref M102 issue 2 4 May 2018 Notes...

Page 36: ...PS Tel 01460 53535 Fax 01460 52341 Every effort is made to ensure accuracy at time of going to press However as part of continued product improvement we reserve the right to alter specification withou...

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Powrmatic ErP NVS 140, User, Installation & Servicing Manual

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