BENSON VRA 065 Wartungshandbuch

1 WARNINGS Benson equipment must be installed and maintained in accordance with the relevant provisions of the Gas Safety (Installations and

10 Model 12 20 30 42 50 60 72 95 120 145 Above 300 300 300 300 300 300 300 300 300 300 Below 300 300 300 300 300 300 300 30

11 2.3 Warm Air Circulation The air heater should be positioned to enable maximum circulation of discharged warm air within the area to be heat

12 2.4.1.2 Mechanical Ventilation to the Heated Space In the event that the heater(s) are to be installed without the positive connection of combusti

13 be within 1000 mm of floor level for natural gas and ideally at floor level for l.p.g gas installations but in any event no higher than 250 mm. 2

14 The low level natural ventilation opening should be situated on an external wall and be within 1000 mm of floor level for natural gas and ideally

15 operation should mechanical air supply fail for any reason The table below provides specific data for each heater model as - 2.5 Flue Installa

16 For vertical flue installations the flue should rise vertically where possible bends should not exceed 45° and the number of bends should be kept

17 C32 Vertical Co axial flue kit options L1 maximum combined flue length 6 metres Kit comprises Item (1) Co-axial flue terminal Ø 80 x Ø 80 Ite

18 C32 Vertical Co axial flue kit options L1 maximum combined flue length 10 metres Kit comprises Item (1) Co-axial flue terminal Item (2) Ø100 x 25

19 L1 maximum combined flue length 10 metres Kit comprises Item (1) Co-axial flue terminal Item (2) Ø130 x 250 mm pipe x 2 Item (3) 900 by Ø130 be

2

20 Heater Unit Flue Exit HORIZONTAL Flue Exit VERTICAL MIN. MAX. MIN. MAX. 12 m 1,00 3,00 1,00 5,00 20 m 1,00 6,00 1,00 10,00

21 Heater Unit Horizontal L1 MIN Concentric Flue Combined Length L1MAX. 12 m 0.50 3.00 20 m 0.50 6.00 30 m 0.60 6.00 42 m 0.70 6.00 50 m

22 VRE Flueing options B22 Single pipe flue only and C32 Vertical coaxial Heater Unit Flue Exit Vertical Co/Axial Combined length Flue Exit

23 2.6 Electrical Installation All electrical wiring and connections must be in accordance with the relevant European, National, and Local regulati

24 Fan Control Relay The fan control switch features normally open 230V contacts, and is wired to control the live supply to the fan motor. When the

25 Each heater supply must be fitted with a separate isolating cock positioned adjacent to and upstream of the union which must be sited outside the

26 a) Test for earth continuity. b) Test for resistance to earth. c) Check live and neutral connections are correct. d) Check to ensure that when t

27 IMPORTANT Adjustments should be made by qualified persons only. If the appliance manufacturer supplies checkout and/or service and maintenance in

28 When High and Low pressure settings are correct, replace cap and connect pressure feedback connection (if applicable). Checkout After any adjustm

29 maximum adjustment screw and hold it on. • If maximum pressure setting needs adjustment turn the maximum rate adjustment screw clockwise for incr

3 Section Contents Page No 1.0 Compliance Notices 4 1.1 Certificates of Conformity 5 1.2 General product Information 5 1.3 General Requireme

30 Example: • Potentiometer P2 is set at 0 %, and P3 at 5%, the hold-in voltage of the burner relay is adjustable between 5 % and 100 % of the input

31 q) Check that the gas pressure remains satisfactory for all appliances on the same circuit. r) Undertake combustion tests checking CO, CO2 and eff

32 4.0 Servicing Warnings It is a requirement that only qualified personnel are allowed to carry out installation commissioning or servicing. In

33 Fan and Motor Check that the fan is secure and rotates freely without excessive play in the shaft. The fan blades and motor should be cleaned usin

34 Gas Supply ON Burner fails to light Turn on Gas Supply Electric Supply ON Turn on Electric Supply Air in Gas Supply Purge Gas Line Thermostat call

35 Fault finding cont’d Fan will not run, heater goes off on limit Bad electrical connection Check wiring connection Faulty fan motor or capacitor Ch

36 6. Wiring Diagram 33-68-001 VRA 12-60 VRC 12-30 Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

37 Wiring Diagram 33-68-007 VRC 42 Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

38 Wiring Diagram 33-68-010 VRC 50-60 Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

39 Wiring Diagram 33-68-004 VRA 72-145 Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

4 IMPORTANT NOTICE TO INSTALLERS Installers should satisfy themselves that the gas pipework installation is carried out in accorda

40 Wiring Diagram 33-68-013 VRC 72-95 VRE120-145 Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

41 Wiring Diagram 33-68-016 VRC 72-145 3 Phase Auto ignition On/Off WARNING NEUTRAL RESET SEQUENCE CONTROLLER

42 Wiring Diagram 33-68-002 VRA 12-60 VRC 12-30 Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

43 Wiring Diagram 33-68-008 VRC 42 Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

44 Wiring Diagram 33-68-011 VRC 50-60 Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

45 Wiring Diagram 33-68-005 VRA 72-145 Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

46 Wiring Diagram 33-68-014 VRC 72-95 VRE 120-145 Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

47 Wiring Diagram 33-68-017 VRC 72-145 3 Phase Auto ignition Hi/Low WARNING NEUTRAL RESET SEQUENCE CONTROLLER

48 Wiring Diagram 33-68-003 VRA 12-60 VRC 12-30 Auto Ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

49 Wiring Diagram 33-68-009 VRC 42 Auto Ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

5 1.0 Compliance notices The Benson Variante range of warm air heaters detailed herewith are manufactured by Benson Heating within a strictly contro

50 Wiring Diagram 33-68-012 VRC 50-60 Auto Ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

51 Wiring Diagram 33-68-006 VRA 72–145 Auto Ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

52 Wiring Diagram 33-68-015 VRC 72-95 VRE 120-145 Auto ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

53 Wiring Diagram 33-68-018 VRC 72-145 3 Phase Auto ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER

54 Less Controls Connections On/Off (Hi/Low) 1 Phase 33-64-349T Less Controls Connections On/Off (Hi/Low) 3 Phase 33-67-014T WARNING NEUTRAL RESET WA

55 Less Controls Connections Modulation 1 Phase 33-64-584 Less Controls Connections Modulation 3 Phase 33-67-587 WARNING NEUTRAL RESET WARNING NEUTRA

56 Appliance Type B22 C 32 C12 Electrical Protection IP20 Country Approved Gas Category AT,BG,CH,CY,CZ,DK,EE,ES,FI,GB,GR,HR, IE,IT,IS,LT,LV,NO,PT,

57 NAT GAS / LPG MODEL 12 20 30 42 50 HEAT OUTPUT kW Btu 12.0 40.950 19.6 67,000 29.4 100,000 39.2 134,000 49.0 167,000 HEAT I

58 NAT GAS / LPG MODEL 60 72 95 120 145 HEAT OUTPUT kW Btu 58.8 201,000 72.0 246,000 96.0 328.000 120.0 409,000 144.0 491,000 HEAT

59 Heater Size/ Description 12 30 20 50 42 60 Gas Valve Control Box Pressure Switch Limit Stat 29-01-173 28-30-180 28-40-162 28-16-058 Injector Pr

6 for Machines Specification for General Requirements BS EN 60335 - Part 1 Safety of Household and Similar Electrical Appliances General Requirem

60 Ionisation Probe 33-64-194 Burner On Green Neon Overheat Red Neon 28-50-038 28-50-030 Reset Relay 230V 28-25-039 Relay Base 28-25-035 MCB 28-07-0

61 Heater Size/ Description 72 95 120 145 Gas Valve Control Box Pressure Switch Gas Valve Fan Control Thermostat Limit Stat Injector Propane Gas I

62 33-64-160 Heater Size/ Description 72 95 120 145 Ionisation Probe Burner On Green Neon Overheat Red Neon Reset Relay 230V Relay Base MCB Burner

63 Model A B C Axial DǾ E F G H J K L M N P Q R 12 440 1050 840.5 80 755 17 640 20 36 60 120 192 277.5 680 103 137 20

64 Model A B C Axial DǾ E F G H J K L M N P Q R 12 440 1050 840.5 80 755 17 500 20 36 60 120 192 277.5 680 103 137 20

65 Model A B C Cent DǾ E F G H J K L M N P Q R S T 12 440 1050 1133.5 80 755 17 640 20 36 60 120 192 277.5 680 103

66 Dimensions - Flue 80mm Stainless Steel Flue Fittings. For heater size VR12 - VR20 605mmØ94.4mm494mmØ124.5mm130mm203mm183mm1271mm130mmØ79.7mm Ø80.

67 100mm Stainless Steel Flue Fittings. For heater size VR30 - VR60 605mmØ114.4mm494mmØ149mm140mm249mm220mm1361mm140mmØ99.8mm Ø100.75mm 223mm164mm161

68 130mm Stainless Steel Flue Fittings. For heater size VR72 - VR145 620mmØ144.5mm494mmØ200mm227mm255mm300mm1895mm227mmØ129.7mm Ø130.75mm 252mm193mm1

69 Heater A B X Y øZ VRA12 330 105 31 142 125 VRA20 330 105 31 174 125 VRA30 400 175 28 191 150 VRA42 400 175 28 300 150 VRA50 40

7 to during foreseen normal use when installed in accordance with the manufacturers recommendations. 1.3 General Requirements Caution Before

70 Heater A B X Y øZ VRC12 653 755 31 142 125 VRC20 653 755 31 174 125 VRC30 653 755 28 261 150 VRC42 653 755 28 200 150 VRC50 65

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72 Document reference number 33-64-695 Apr 2013 issue 12 Technical Support: Tel: 01384 489 200 Fax: 01384 489 707 [email protected] www.

8 The warranty commences from the date of dispatch from the manufacturer, and is subject to the terms detailed within the Benson Heating 'condi

9 Additionally the maximum temperature within the plant room should not exceed 32°C 2.0 Installation The location chosen for the heater must al