BENSON RS UHA Assembly And Use Manual Download

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BENSON HEATING LUDLOW ROAD KNIGHTON POWYS LD7 ILP

Tel 01547 528534

Fax 01547 520399

www.bensonheating.com

Benson Heating is a Division of Benson Climate Systems Ltd

04/08/03 Rev. 2

Cod. 034-MN

Summary of Contents for RS UHA

Page 1: ...it heaters TECHNICAL INFORMATION ASSEMBLY INSTRUCTIONS USE AND MAINTENANCE RS UHA RS UHA 2 RS UHA 4 BENSON HEATING LUDLOW ROAD KNIGHTON POWYS LD71LP U K August 2003 Benson Heating is a Division of Ben...

Page 2: ...bly aware of the purpose of the manuals and the safety instructions In addition operators must be suitably trained in the use of the appliance so as to ensure its continued safe and efficient use Bens...

Page 3: ...Heater serial number 3 Order reference date of order together with full installation details name and address 4 Details or symptoms of fault 5 Installers name and address Faulty parts must be returned...

Page 4: ...ceipt of product 16 Transport 16 Dimension 17 FOR THE INSTALLER Installation 19 Wall bracket dimensions 19 Gas connection 22 Flue and combustion options 23 Electrical panel with circuit board 27 Elect...

Page 5: ...type 6 7 models are equipped with two gas manifolds each manifold has an ignition electrode Control and safety thermostats The heater is controlled by three thermostats pre set to the following LM Li...

Page 6: ...urer AIR HEATER Model Serial Number C PIN ountry C C ategory ode T Year ype N kW ominal heat INPUT N kW ominal heat OUTPUT A m ir Flow max 3 h Electrical Supply E W lectrical power Protection rating G...

Page 7: ...ction 6 Flue manifold 7 Air discharge plenum with horizontal louvres 8 Burner compartment 9 Burner clams 10 Burner plate insulation 11 Gas injector 12 Combustion chamber 13 Gas manifold 14 Burner bars...

Page 8: ...l louvres 8 Burner compartment 9 Burner clams 10 Burner plate insulation 11 Gas injector 12 Combustion chamber 13 Gas manifold 14 Burner bars 15 Ignition transformer 16 Left hand burner compartment 17...

Page 9: ...350 420 350 mm Fan throw 10 14 18 26 32 35 37 m Electrical supply 230 V 50Hz 1ph Electrical power 0 155 0 165 0 225 0 345 0 440 0 600 0 670 kW Electrical protection 40 IP Gas category II 2H3P Install...

Page 10: ...I Second stage gas valve 1 Two Stage version only C Fan capacitor FAN 1 Axial fan 1 FAN 2 Axial fan 2 type 5 F1 F2 Line fuses LF Green working light LL High temperature indication light LB Lockout ind...

Page 11: ...econd stage gas valve 2 Two Stage version only C Fan capacitor FAN 1 Axial fan 1 FAN 2 Axial fan 2 FAN 3 Axial fan 3 type 7 F1 F2 Line fuse LF Green working light LL High temperature indication LB Loc...

Page 12: ...reset EVG1 I Gas solenoid valve 1 EVG1 II Second stage gas valve 1 C Fan capacitor FAN 1 Axial fan 1 FAN 2 Axial fan 2 type 5 F1 F2 Line fuses LF Green working light LL High temperature indication LB...

Page 13: ...EVG2 I Gas solenoid valve 2 EVG2 II Second stage gas valve 2 C Capacitor FAN 1 Axial Fan FAN 2 Axial Fan FAN 3 Axial Fan only type 7 F1 F2 Fuses LF Green working light LL High temperature indication L...

Page 14: ...ey R Red G Green W White K Pink Y Yellow This wiring to be completed by the installer READ THE INSTRUCTION MANUAL BEFORE PROCEEDING WITH THE INSTALLATION 14 THIS HEATER IS NEUTRALLY SWITCHED ENSURE TH...

Page 15: ...ed it will damage the heat exchanger and will invalidate the warranty on the heater SERVICING It is a requirement that only qualified personnel are allowed to carry out installation commissioning or s...

Page 16: ...been reset this can be done by removing the plastic cap covering the reset button and pushing the reset replace cap The cause of the overheat should be investigated RECEIPT OF PRODUCT Delivery pre in...

Page 17: ...1170 B mm 770 770 770 770 820 C mm 370 425 505 685 930 D mm 563 563 563 555 510 E mm 140 140 140 140 185 F mm 132 132 132 132 115 G mm 132 132 132 132 132 1 mm 100 1 100 1 100 1 100 1 100 2 2 mm 100...

Page 18: ...18 100 male 132 185 510 315 150 male 115 820 130 A 860 225 C 15 530 225 15 Type 6 7 A mm 1720 1960 C mm 1270 1510 bsp Nett weight kg 171 205 Heater types 6 7 NOTE heaters type 7 have three fans 18...

Page 19: ...e material adjacent to the heater or flue system must be so placed or shielded so that its surface temperature does not exceed 65 C The location chosen for the heater must allow for the fitting of an...

Page 20: ...ontal flue options when using wall support brackets Type 1 2 3 4 Type 5 6 7 Diagram showing the installation limits for horizontal concentric flue options when using wall support brackets Type 1 2 3 4...

Page 21: ...Examples of positioning in small and medium spaces Examples of positioning in large areas Installation heights and minimum distances from walls and ceilings 21 2500 3000 500 700 2500 3000 700 500 700...

Page 22: ...itioned adjacent to and upstream of the union which must be sited outside the heater 5 Gas Pipe Customer supply WARNING When a LPG supply is used it is advisable to install a first pressure reducer cl...

Page 23: ...separate pipes or with concentric pipes The flue pipe and combustion air inlet should be metal smooth bored pipe with a diameter of not less that both the flue and combustion spigot connections on th...

Page 24: ...0 1 00 10 00 6 m 1 00 5 00 1 00 10 00 7 m 1 00 5 00 1 00 10 00 L2 100 MIN 400 L1 MAX 500 100 MIN 400 Only flue components and accessories supplied by the manufacturer should be used on installation In...

Page 25: ...1 00 2 50 1 50 2 50 3 m 1 00 2 50 1 50 2 50 4 m 1 00 2 50 1 50 2 50 5 m 1 00 2 50 1 50 2 50 6 m 1 00 2 50 1 50 2 50 7 m 1 00 2 50 1 50 2 50 Only flue components and accessories supplied by the manufac...

Page 26: ...2 m 0 10 00 3 m 0 10 00 4 m 0 10 00 5 m 0 10 00 6 m 0 10 00 7 m 0 10 00 Only flue components and accessories supplied by the manufacturer should be used on installation In installations where condensa...

Page 27: ...ithin this manual The electrical supply isolator should be mounted adjacent to the air heater in an easily accessible position to allow for servicing isolation or emergency shut off Ensure that the El...

Page 28: ...um Line Live Earth Supply Power current Fuse 1 conductor 2 conductor 2 V 50Hz kW A A mm2 mm2 1 230V 50Hz 0 155 6 6 3 5x20 mm T 1 5 1 5 2 230V 50Hz 0 165 6 6 3 5x20 mm T 1 5 1 5 3 230V 50Hz 0 225 6 6 3...

Page 29: ...aneously If the gas line has not been correctly purged ignition may not take place at the first attempt resulting in lockout of the burner Reset button and repeat Before each attempt at ignition it is...

Page 30: ...ue venter will start up activating the differential pressure switch The heater will pre purge the combustion chamber the electronic control box will supply the ignition electrode and the gas valve sim...

Page 31: ...urer Natural Gas H G20 TYPE 1 2 3 4 5 6 7 Number of injectors 1 1 1 1 2 2 4 N Diameter of injector 310 410 480 555 500 540 450 mm 100 Gas supply pressure 20 mBar Head pressure high fire 12 0 13 0 13 0...

Page 32: ...ng injector in the manifold heater Type 1 2 3 4 6 Replacing injectors 2per manifold for heater Type 5 7 Check that the size of the injector corresponds to that on the data plate 32 Check the size of t...

Page 33: ...regulation Propane G31 Gas valve head pressure setting high fire Propane G31 When setting the gas pressure for propane high fire second stage contact SF should be closed the high fire pressure adjust...

Page 34: ...FAN OPERATION AND LIMIT functions FAN OPERATION SND When the air near the sensor SND reaches the set temperature 30 C which is approximately 30 seconds after ignition the electrical contact closes and...

Page 35: ...e or servicing work the heater must be shut down and allowed to cool and have the gas and electric supplies to it turned off at the supply cock and isolator respectively In order to carry out analyses...

Page 36: ...It is recommended that the heat exchanger by cleaned once a year prior to the start of the heating season The following procedure should be carried out 3 4 5 6 7 Remove burner 1 from its housing after...

Page 37: ...ty control box Change control box Faulty ionization electrode Check the electrode is not cracked or damaged Check the probe No ignition Flue venter not working No indication lights on Room thermostat...

Page 38: ...and vertical if fitted louvres are sufficiently open see installation Check fan is operating correctly with sufficient air flow Faulty SND thermostat or faulty fan control l Change SND thermostat or f...

Page 39: ...n probe Change ignition electrode Faulty solenoid Change solenoid Dirty gas filter Clean filter Control box will not reset Red light illuminated Faulty flame control module Change control module check...

Page 40: ...BENSON HEATING LUDLOW ROAD KNIGHTON POWYS LD7 ILP Tel 01547 528534 Fax 01547 520399 www bensonheating com Benson Heating is a Division of Benson Climate Systems Ltd 04 08 03 Rev 2 Cod 034 MN 40...

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