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Issue 5.5 August 2015

Users, Installation

and Servicing

Instructions

(Brahma Control, MKIII LIB & GM44)

GB & IE H E A T I N G

/ /

V E N T I L A T I O N

/ /

A I R C O N D I T I O N I N G

WARNING: THIS APPLIANCE MUST BE EARTHED

IMPORTANT: Reset from Lockout is by a switched Neutral

Содержание NVx Series

Страница 1: ...nstallation and Servicing Instructions Brahma Control MKIII LIB GM44 GB IE H E AT I N G V E NT I L AT I O N A I R C O N D IT I O N I N G WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT Reset from Loc...

Страница 2: ...g company 4 The heater has been used in accordance with the manufactures instructions 5 The correct specification fuel has been used 6 No unauthorised repairs of modifications have been made 7 Powrmat...

Страница 3: ...contact our Technical Support Team by calling 01460 53535 Users Installation and Servicing Instructions CONTENTS Title Section Contents Page User Instructions 4 Pre Installation 1 1 Introduction 5 1 2...

Страница 4: ...controls e g Time clock room thermostat etc call for heat The internal exhaust fan will run and when sufficient combustion airflow is proved by the air pressure switch the ignition spark will be gener...

Страница 5: ...or industrial premises All variants with the exception of NVx EA units are for internal use only NVx heaters feature a closed combustion circuit and have an internal exhaust fan mounted downstream of...

Страница 6: ...from drop rods via purpose designed M10 suspension fixing points on the heater ii attached to our optional wall support brackets or iii positioned on a level non combus tible base In all cases it is i...

Страница 7: ...ocal gas undertaking The inlet gas pressure under running conditions must not be less than 17 5mb 1 2 4 2 Meters An existing meter should be checked preferably by the gas undertaking to ensure that th...

Страница 8: ...Installation 1 3 In the space Low Level Grille Free Area Low Level Grille Free Area High Level Grille Free Area Low Level Grille Free Area Low Level Grille Free Area High Level Grille Free Area High L...

Страница 9: ...be provided If the air heater s is installed in a plant room the return air intake s and the warm air outlet s from the heater s must be fully ducted into and out of the plant room to avoid interferen...

Страница 10: ...Page 10 NVX Range Users Instructions Service Instructions Issue 5 5 August 2015 1 3 Size Data NVx F Axial Fan Crossflow Units...

Страница 11: ...00 700 760 100 233 5 492 142 317 450 232 5 925 206 114 297 1000 700 760 100 233 5 492 142 317 450 232 5 905 206 114 297 1000 700 912 100 233 5 644 142 317 450 232 5 925 206 114 374 1325 700 760 130 23...

Страница 12: ...0 540 80 248 308 120 304 260 176 925 216 114 194 1000 700 760 100 233 5 492 142 283 260 197 925 206 114 297 1000 700 760 100 233 5 492 142 283 260 197 905 206 114 297 1000 700 912 100 233 5 644 142 28...

Страница 13: ...4 1000 700 760 100 233 5 492 142 317 450 232 5 1430 206 114 297 1000 700 760 100 233 5 492 142 317 450 232 5 1430 206 114 297 1000 700 912 100 233 5 644 142 317 450 232 5 1430 206 114 374 1325 700 760...

Страница 14: ...0 700 760 100 233 5 492 142 317 450 232 5 835 206 114 297 1000 700 760 100 233 5 492 142 317 450 232 5 835 206 114 297 1000 700 912 100 233 5 644 142 317 450 232 5 835 206 114 374 1325 700 760 130 235...

Страница 15: ...al Fan Bi Directional Units Model A B C D E F G H J K L M N P mm mm mm mm mm mm mm mm mm mm mm mm mm mm 2325 700 700 130 235 5 356 220 347 850 278 1120 246 88 260 2325 700 831 130 235 5 487 220 347 85...

Страница 16: ...e heater Top of heater Rear of heater Dependant on flue system used For Multi air heater Installations the following minimum distances between units must be observed Between units side to side Between...

Страница 17: ...umstances must these points be used as the final means of suspension 2 1 2 Suspending the heater Threaded drop rods must have lock nuts fitted that are tightened down onto the 10mm fixings in the heat...

Страница 18: ...n sealant around the face of the flange of the combustion air socket on the same side as the socket Passing the socket through the panel from the inside position the flange up against the panel Secure...

Страница 19: ...centric adaptor to the terminal section and then extend down to the heater using straight lengths Fit adjustable lengths as the final connection pieces to facilitate flue disconnection for servicing E...

Страница 20: ...ustable length Single to twin adaptor Flue socket Combustion air duct Maximum 6m Minimum 980mm Combustion air socket Note A terminal guard may be required Type C12 installation Type C32 installation P...

Страница 21: ...ly sized See the wiring diagram accompanying these instructions Models supplied with a centrifugal fan silencer duct section require wiring to be completed between the heater and fan Refer to supplied...

Страница 22: ...ss before 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 limit indi...

Страница 23: ...nal CO2 values are given for guid ance in the Table at the bottom of the previous page 5 Turn off the main burner and disconnect the pressure gauge and replace the sealing screw Turn on the main burne...

Страница 24: ...as meter dial pointer ensuring that no other appliances supplied through the meter are in operation 3 Repeat 2 above with external controls set to maintain low fire 4 If it is necessary to adjust eith...

Страница 25: ...ignal of 0 10V DC is 0 3V DC When P2 is 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 I...

Страница 26: ...Controls 1 Close the gas service tap and ensure that the gas valve is heard to close within 1 second and that the lockout light is illuminated Note that the heater may attempt five re ig nitions befo...

Страница 27: ...2 7 4 Heat Exchanger Whilst the main burner assembly is removed from the unit check that the primary sections that the burners fire into are clean 2 7 5 Main Fan Assembly 2 7 5 1 NVx F CCF Models 1 In...

Страница 28: ...at settings Fan Off Fan On Limit NVx 10 140 86 F 30o C 122 F 50o C 212 F 100 C 1 Squeeze the casing sides inward and pull casing forward 2 Remove the electrical connections from the thermostat 3 Remov...

Страница 29: ...e 2 Electrical Loading 1ph NVx90 NVx120 5 00 2 30 7 80 3 80 NVx140 7 80 3 80 F Models CCF Models MODEL PLATE AMPS A START AMPS A RUN AMPS A FUSE RATING A NVx10 2 NVx15 0 18 0 34 0 16 910 2 8 4 2 2 10...

Страница 30: ...00 183 F CCF HIGH FIRE LOW FIRE AIR VOLUME MAXIMUM DUCT RESISTANCE FAN MOTOR WEIGHT NVx60 65 60 60 0 32 80 27 88 1 5608 N A 0 680 135 5 250 1 40 213 NVx75 NVx90 NVx120 81 30 75 0 95 3 90 0 130 1 120 0...

Страница 31: ...8 59 2 8 4 50 NVx90S 10 2 83 950 8 0 10 35 2 8 6 06 NVx90 6 3 5 1500 9 4 10 07 3 5 6 19 NVx120 8 3 5 1500 9 1 13 77 4 1 9 30 NVx140 10 3 5 1500 8 4 15 74 4 0 10 46 Minimum Inlet Pressure 37mbar Inlet...

Страница 32: ...t reset when cold check for for 230V between terminals 9 11 on the limit interface board Check connections faulty limit stat Gas Electrical supplies present Unit at Lockout Lockout lamp on low level c...

Страница 33: ...more ignition attempts then lock out Exhaust fan continues to run APS has lost C to N O continuity slightly reduce APS set point Check for 230V between terminals 13 N of the terminal strip Absent Rep...

Страница 34: ...120 140 141378715 Ignition Electrode 10 75 142423002 Ignition Electrode 90S 90 140 142423004 Rectification Electrode All 142423003 Burner 10 75 142400240 Burner 90S 90 140 142400241 Fan Limit Thermost...

Страница 35: ...04 Z 15 35 40 140232005 Z 15 50 90 140232006 Z 15 60 75 120 140 140232007 Z 15 90S 140232011 Main air fan Axial NVx V 10 15 140232002 Z 15 20 140232010 Z 15 30 40 140232009 Z 50 90 140232018 60 75 120...

Страница 36: ...press However as part of our policy of continued product improvement we reserve the right to alter specification without prior notice Page 36 NVX Range Users Instructions Service Instructions Issue 5...

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