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Nordair Niche IDF2BDX120, Installation And Operating Manual, Page: 13 / 64

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Nordair Niche IDF2BDX120 Installation And Operating Manual Download Page 13

13 

 

MINIMUM
CLEARANCE
850mm

MINIMUM
CLEARANCE
600mm

MINIMUM
CLEARANCE
600mm

MINIMUM

CLEARANCE
SEE TABLE

3. Installation Details 

Diagram 8. 
Slinging  

Diagram 9. 
Clearances  

Note: It is the responsibility of the 
installer to ensure that safe lifting 
practices are followed on site, and 
to note that the detail provided in 
these instructions is for guidance 
only. 

  

 Coil 

Removal 

  Gas fired heat             

exchanger 

removal 

 CS1

*

 

 1500 

 1000 

 CS2

*

 

 1700 

 1700 

 CS3

*

 

 2000 

 1700 

 

Fan/ heat / Coil exchanger clearances (mm)

 

Fan 

Removal 

1500 
1700 
2000 

*

 See section 2 table 1. for model case sizes 

Table 5 

 

 

 

 

FAN REMOVAL 

CLEARANCE 

SEE TABLE 

GAS FIRED HEAT 

EXCHANGER 

REMOVAL 

CLEARANCE  

SEE TABLE 

COIL REMOVAL  

CLEARANCE  

SEE TABLE 

  

  

  

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for IDF2BDX120

Page 1: ...ts 10 User Instructions 11 Wiring Diagrams 12 Fault Finding 13 General Arrangement Drawing loose appendix 1 WARNINGS 1 This appliance must only be installed by a competent person in accordance with th...

Page 2: ...ust be taken to ensure that unauthorised access to the building cannot be gained via the appliance or its ductwork system This appliance has been tested and set according to the data plate before leav...

Page 3: ...le made of galvanised sheet steel with pressure relief Complete unit statically and dynamically balanced in two planes according to DIN ISO 1940 and to balancing quality G 6 3 EC external rotor motor...

Page 4: ...0 8 33 1260 IDF3BDX200 CS2 400 3 50 4 7 3 11 63 0 3 76 4 78 8 72 0 8 33 1260 IDF4BDX240 CS2 400 3 50 6 14 3 80 66 0 3 81 0 78 8 72 0 8 33 1365 Motor Power duty kW 1 63 2 02 2 55 2 86 3 24 4 03 Motor...

Page 5: ...DX 90 S1 I T C EBM Indirect fired Airflow 2 3 4 Heat exchanger Benson Heating cooling coil Size 90 120 150 180 200 240 S1 without dampers S2 with dampers Fan Type I Inline T Trane C Compac Note If thi...

Page 6: ...COIL DRAIN OUTLET 2 Technical Data cont A B C CS1 1285 1800 2552 CS2 1352 2337 3180 CS3 1352 2337 3460 Diagram 1 Overall dimensions Diagram 2 Additional view on A Applies if optional heat exchanger f...

Page 7: ...iagram 3 Base frame dimensions A B C CS1 780 1070 475 CS2 1235 1245 545 CS3 1235 1525 545 Diagram 4 Duct flange dimensions Optional return recirc air position from store area below option 1 Optional s...

Page 8: ...8 2 Technical Data cont Diagram 5 Airflow panel arrangement Diagram 6 Heat exchanger removal...

Page 9: ...BOTTOM POSITION 2 Technical Data cont WEATHERHOOD TOP POSITION REMOVABLE PANELS LOCATED FOR FLOOR SUPPLY RETURN WEATHERHOOD TOP POSITION SIDE DUCT SPIGOTS LOWER SUPPLY LOWER RETURN WEATHERHOOD TOP PO...

Page 10: ...00x500x50 2 OFF 500x500x50 590 FILTER DAMPER ACCESS DOOR FRESH RETURN AIR MOTORISED DAMPERS 400H X 950L 888 HEAT EXCHANGER ACCESS DOOR 482 CONTROLS ACCESS DOOR END VIEW ON FRESH AIR IP65 63A 3 POLE IS...

Page 11: ...02 530 FAN ACCESS DOOR 420 CONTROLS ACCESS DOOR 900 900 250 200 COIL ACCESS LIFT OFF DOOR 400 100 1001 150 150 RETURN AIR FRESH RETURN AIR DAMPERS 400H x 950W S2 UNITS ONLY 400 100 RETURN AIR 1300 111...

Page 12: ...nce between the appliance and the slings See diagram 7 Note It is the responsibility of the installer to ensure that safe lifting practices are followed on site and to note that the detail provided in...

Page 13: ...ing practices are followed on site and to note that the detail provided in these instructions is for guidance only Coil Removal Gas fired heat exchanger removal CS1 1500 1000 CS2 1700 1700 CS3 2000 17...

Page 14: ...ntenance is generally required to ensure that the coils are maintained in a clean condition This has three purposes 1 Ensures that there is no marked increase in air side pressure drop 2 Ensures that...

Page 15: ...y the following procedure should be followed Refer to condenser manufactures instructions on the required procedure F Gas certificate of engineers must only be used for the installation service mainte...

Page 16: ...adjacent to the appliance and within the sight of any person working on the appliance The isolator must have a contact separation of at least 3 0mm on all poles The isolator should be of the key oper...

Page 17: ...incoming earth point at the electrical isolator A resistance reading of 1 0 ohm or less must be indicated If a higher reading is obtained check all cable connections to ensure adequate security and c...

Page 18: ...re also provided as part of the information pack It is the responsibility of the installer owner user or hirer of such products supplied by Benson Heating to ensure that they are familiar with the app...

Page 19: ...2 and 3 Prior to installation the following points should be considered a The position of the heater for the optimum efficient distribution and circulation of warm air b The position of the heater rel...

Page 20: ...the rating s laid down in the manufacturers technical specifications h The heater has not been operated or used within the normal scope of its intended application i The manufacturer s recommended min...

Page 21: ...ld be observed 200 below guttering or eaves 300 from corners or openings windows doors etc and from other horizontal terminals on same wall 1200 from a facing surface 1500 from another terminal vertic...

Page 22: ...t Controls Situated inside the access panel Fan control The fan control switch features normally open 230V contacts and is wired to control the live supply to the fan motor When the circuit is made th...

Page 23: ...ence to BS6891 is strongly advised 6 3 0 Commissioning Note It is a requirement that only suitably qualified and competent personnel are allowed to undertake the commissioning of the heater It is also...

Page 24: ...pen the gas solenoid valve and the main burner will light The flame can be observed at the burner manifold check that the burner is providing a good flame i e even and stable n Check pressure readings...

Page 25: ...tenance instructions carefully follow them If such instructions are not provided then follow the procedure as outlined below Allow time for pressure to stabilize before making adjustments It is recomm...

Page 26: ...335A Modureg The purpose is to provide a linear conversion of a low DC voltage or current produced by control equipment to a requested control current or voltage for the modulation coil 0 10 V DC or 4...

Page 27: ...nal So if the input control signal is set at 0 to 10 VDC the hold in voltage of the relay amounts 4 5V DC Adjustment of the current control Potentiometer P1 The control current or voltage of one or tw...

Page 28: ...taller should provide a list of recommended spare parts that are available through the manufacturer or his agent see page 36 39 Before commencing any maintenance or servicing work the heater must be s...

Page 29: ...th guard can then be removed from the heater Flue System Check that the flue is in good condition that it is adequately supported that there are no blockages or restrictions Check that any joints are...

Page 30: ...rietary sealing compound Ensure actuator rotation is correct in relation to blade location to prevent breaking linkages 6 6 Maintenance At six month intervals disconnect the actuator and check for fre...

Page 31: ...ction IP20 Country Approved Gas Category AT BG CH CY CZ DK EE ES FI GB GR HR IE IT IS LT LV NO PT RO SE SI SK TR I2H BE CZ NL FR DE IE IT ES CH PT GB SE SK SL PT PL TR I3P PL LU DE RO I2E PL I2LS PL I...

Page 32: ...3 MAIN INJECTOR NATURAL GAS mm No Off 2 2 10 3 4 6 NATURAL GAS CONSUMPTION ft3 hr m3 hr 199 5 63 294 8 33 MINIMUM INLET PRESSURE LPG mbar Ins WG 37 0 14 8 37 0 14 8 BURNER PRESSURE LPG mbar Ins WG 29...

Page 33: ...AHU Hardwired control cabling used for Start and stop control Speed control Fault alarm Fan fault Flow failure alarm Mod bus network connection used to monitor additional Fan data Panel mounted overr...

Page 34: ...to AHU mounted socket provided in S1 and S2 air handling units Note Keypad controller should not normally be required for commissioning Condenser power supplies from factory fitted mcb s in AHU via te...

Page 35: ...erminal rail Lobby Supply Air Handling Unit S2 S2 Supply Fan EBM Papst high performance fan fitted within AHU S1 ventilated compartment and wired to AHU terminal rail for external wiring to Trend by e...

Page 36: ...n site to prevent heat damage It is essential that the sensor is replaced with good contact to the pipe otherwise the Mitsubishi system will fault Mitsubishi key pad controller with LCD screen supplie...

Page 37: ...ater 3RM board for two stage heater control Nordair Benson to develop modulating burner control in future Trend control direct from T2 kitchen sensor and not via supply duct temperature Burner fault i...

Page 38: ...filters These are supplied in the forms of panel filters and are fitted into steel channel runners Filters are simply withdrawn through the access door by sliding the filter along the channel runner...

Page 39: ...ll models Mitsubishi keypad 217248 All models Mitsubishi liquid air sensor 219488 All models Discharge sensor TB TI S All models Relay output module IO DOM6 All models Analogue override module IO ABM4...

Page 40: ...02 IDF2BDX150 S1 44KWDX150COIL 33 64 9185 or 33 64 9185IL N A IDF2BDX150 S2 N8201 N9002 IDF2DX150 S1 N A N A IDF2DX150 S2 N8201 N9002 IDF3BDX180 S1 52KWDX180COIL 33 64 9270 or 33 64 9270IL N A IDF3BDX...

Page 41: ...lation Interface Board 28 30 198 Control Box 29 01 173 29 01 183 Pressure Switch 33 62 119 Honeywell 28 40 163 Huba Fan Limit Stat 28 16 059 Overheat Stat 28 16 058 Injector Natural Gas 33 64 144 33 6...

Page 42: ...obe 33 64 194 Overheat Red Neon 28 50 030 Burner On Green Neon 28 50 038 Reset Relay 230V 28 25 039 Relay Base 28 25 035 High Fire Timer Relay 28 15 027 MCB 6A 28 07 084 Lockout Reset Switch 28 40 118...

Page 43: ...surfaces with a damp cloth containing a mild detergent 11 User Instructions Display this near your heater Important For safe and satisfactory operation these instructions should be read and fully und...

Page 44: ...44 Wiring Diagram 33 67 742 DM 50 Auto ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER 12 Wiring Diagrams...

Page 45: ...45 Wiring Diagram 33 67 745 DM 72 Auto ignition Modulation WARNING NEUTRAL RESET SEQUENCE CONTROLLER 12 Wiring Diagrams cont...

Page 46: ...R2 2 FAN ENABLE 35 86 87 K3G500 AP25 01 4 4 17 L 1 N 2 4 5 6 7 11 BENSON DM50 INDIRECT GAS FIRED HEAT EXCHANGER MODULATING 93 100 21 22 23 24 25 4 R R5 1 R1 8 FAN RUN ON BURNER ENABLE BURNER LOCKOUT...

Page 47: ...B HEATING TR1D COOLING 18 4 54 55 67 68 47 48 49 50 51 52 53 56 57 58 59 60 61 62 63 64 65 66 69 70 71 72 BACNET MODBUS 42 43 44 45 46 42 43 44 45 46 BACNET MODBUS FTC 1 POWER FEED VIA OUTDOOR UNIT TB...

Page 48: ...CONTACTS FIT JUMPER 24VAC 90 91 90 92 R4 FAN RUN LAMP 23 18 4 90 240V 90 94 90 94 FAN ENABLE RELAY R2 93 93 91 FAN RUN ON 18 0V 10V 0 10VDC ECONOMISER DAMPER DRIVE SIGNAL S2 0NLY TERMINAL 93 GROUND TO...

Page 49: ...89 96 98 BURNER ENABLE RELAY SYSTEM ENABLE RELAY 90 95 90 99 90 93 96 97 98 93 96 LAST WIRE No 108 SPARE NO 14 16 19 20 28 34 36 37 40 41 73 85 88 91 TR1E TR1B TR1D TR1F 24 4 LOCKOUT RESET 72 71 59 58...

Page 50: ...H 50 HZ TO HEAT PUMP 2 ISOLATING TERMINALS WIRED BY NORDAIR WIRED BY NORDAIR WIRED BY NORDAIR S1 ONLY VFC HEATER LOCKOUT 97 60 61 MITSUBISHI SUPPLY AIR SENSOR 62 63 MITSUBISHI SUPPLY LIQUID SENSOR 64...

Page 51: ...7 3A IDF3BDX180 35 1 L1 L2 E 100A IP65 3 POLE ISOLATOR MCB1 10A 415 VOLT 3 PHASE 50Hz 4 WIRE SUPPLY L3 N 1 2 3 4 L1 L2 L3 0 10VDC SIGNAL SPEED CONTROL SIGNAL 1 5mm CU SWA OR SCREENED CABLE 4 Ain 1 U 3...

Page 52: ...6 TO BE ISOLATING TYPE 18 4 SUPPLY AIR SENSOR SUPPLY LIQUID SENSOR 0 10VDC SIGNAL FROM IO ABM4 OP2 OUTPUT TR1B HEATING TR1D COOLING 1 2 TH5 3 4 TH6 S1 S2 S3 3 4 10 11 7 8 5 6 FREE ISSUE MITSUBISHI FTC...

Page 53: ...93 93 91 FAN RUN ON 18 0V 10V TERMINAL 93 GROUND TO INTERNAL PANEL EARTH 90 107 108 0 10VDC SIGNAL FROM PRESSURE TRANSDUCER SUPPLY FAN PRESSURE TRANSDUCER 2 3 1 0 10VDC ECONOMISER DAMPER DRIVE SIGNAL...

Page 54: ...M ENABLE RELAY 90 95 90 99 90 93 96 97 98 93 96 LAST WIRE No 108 SPARE NO 19 20 28 34 36 37 40 41 73 85 88 91 TR1E TR1B TR1D TR1F 97 97 89 102 101 102 103 104 103 104 105 106 105 106 O 10V 97 TH5 TREN...

Page 55: ...R UNIT 66 ISOLATING TERMINALS WIRED BY NORDAIR WIRED BY NORDAIR 98 0 10VDC SIGNAL TO I O DOM6 RELAY 101 102 TREND SUPPLY AIR SENSOR WIRED BY NORDAIR 103 104 TREND OUTSIDE AIR SENSOR WIRED BY NORDAIR S...

Page 56: ...TING SIGNAL 100 93 12 4 L1 L2 E 100A IP65 3 POLE ISOLATOR MCB1 16A 415 VOLT 3 PHASE 50Hz 4 WIRE SUPPLY L3 N 1 2 3 4 L1 L2 L3 0 10VDC SIGNAL SPEED CONTROL SIGNAL 1 5mm CU SWA OR SCREENED CABLE 4 Ain 1...

Page 57: ...66 TO BE ISOLATING TYPE 18 4 SUPPLY AIR SENSOR SUPPLY LIQUID SENSOR 0 10VDC SIGNAL FROM IO ABM4 OP2 OUTPUT TR1B HEATING TR1D COOLING 1 2 TH5 3 4 TH6 S1 S2 S3 3 4 10 11 7 8 5 6 FREE ISSUE MITSUBISHI F...

Page 58: ...R2 93 93 91 FAN RUN ON 18 0V 10V TERMINAL 93 GROUND TO INTERNAL PANEL EARTH 90 107 108 0 10VDC SIGNAL FROM PRESSURE TRANSDUCER SUPPLY FAN PRESSURE TRANSDUCER 2 3 1 0 10VDC ECONOMISER DAMPER DRIVE SIGN...

Page 59: ...ENABLE RELAY 90 95 90 99 90 93 96 97 98 93 96 LAST WIRE No 108 SPARE NO 19 20 28 34 36 37 40 41 73 85 88 91 TR1E TR1B TR1D TR1F 97 97 89 102 101 102 103 104 103 104 105 106 105 106 O 10V 97 TH5 TREND...

Page 60: ...OOR UNIT 66 ISOLATING TERMINALS WIRED BY NORDAIR WIRED BY NORDAIR 98 0 10VDC SIGNAL TO I O DOM6 RELAY 101 102 TREND SUPPLY AIR SENSOR WIRED BY NORDAIR 103 104 TREND OUTSIDE AIR SENSOR WIRED BY NORDAIR...

Page 61: ...set Limit thermostat Air pressure switch made Check flue fan connections Flue fan running Replace flue fan Check flue is clear Change air pressure switch Spark ignition on Check HT leads connections N...

Page 62: ...ction Check wiring connection Faulty fan motor or capacitor Change fan motor or capacitor Fan runs in manual mode Reset fan control settings Fan control Settings incorrect Faulty fan control Change fa...

Page 63: ...63 Notes...

Page 64: ...64 Technical Support Tel 01384 489 200 Fax 01384 489 707 ambiradgroupsupport tnb com www ambiradgroup co uk Document reference number GB NOR 095 0913...

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