Nordair Niche INDIRECT FIRED AIR HEATER (EBM) Installation And Operating Manual
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Nordair Niche INDIRECT FIRED AIR HEATER (EBM) Installation And Operating Manual

Indirect fired air heater ebm
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Table of Contents

Instruction Manual
I
NDIRECT
I
NSTALLATION AND
INDEX
General Information ----------------------------------------------------------- 1
Technical Data ------------------------------------------------------------------ 2
Installation Details -------------------------------------------------------------- 3
DX Coil Information ------------------------------------------------------------ 4
Gas & Electrical Connections ----------------------------------------------- 5
Commissioning & Testing ---------------------------------------------------- 6
Controls --------------------------------------------------------------------------- 7
Air Filters ------------------------------------------------------------------------- 8
Routine Maintenance Schedule -------------------------------------------- 9
Spare Parts -------------------------------------------------------------------- 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 the requirements
of the Codes of Practice or the rules in force.
2 All external wiring MUST comply with the current IEE wiring regulations.
3 Warning this appliance must be earthed.
AmbiRad Limited, Fens Pool Avenue, Brierley Hill, West Midlands, DY5 1QA
F
A
IRED
IR
O
PERATING
H
(EBM)
EATER
M
Part No. 703022
ANUAL
Section

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Summary of Contents for Nordair Niche INDIRECT FIRED AIR HEATER (EBM)

  • Page 1: Table Of Contents

    Instruction Manual (EBM) NDIRECT IRED EATER NSTALLATION AND PERATING ANUAL INDEX Section General Information ----------------------------------------------------------- 1 Technical Data ------------------------------------------------------------------ 2 Installation Details -------------------------------------------------------------- 3 DX Coil Information ------------------------------------------------------------ 4 Gas & Electrical Connections ----------------------------------------------- 5 Commissioning & Testing ---------------------------------------------------- 6 Controls --------------------------------------------------------------------------- 7 Air Filters ------------------------------------------------------------------------- 8 Routine Maintenance Schedule -------------------------------------------- 9...

  • Page 2: General Information

    Standards BS 6230 1991. “Installation of Gas • Failure to install, set up or put to work any part Fired Forced Convection Heaters of the equipment as specified in Nordair Niche Commercial and Industrial Space Heating”. installation, operation maintenance instructions.
  • Page 3 1. General Information cont. Before installation, check that the appliance as The fan assembly is plated mounted, which is on described packaging label a slide rail within the unit for easy removal accordance with the correct type and model as should it be require.

  • Page 4: Technical Data

    2. Technical Data Table 1. Model No. Power Motor Motor Motor No. of Weight Current supply power Power volume cooling stages heating heating heating rate TP&N /sec capacity capacity input output 415v. 50 duty Duty AMPS IDF2BDX90 400.3.50 1.78 1.63 2.47 1.41 28.0...
  • Page 5 2. Technical Data cont. Nomenclature IDF 2 B 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 I= Inline, T= Trane, C=Compac Note: If this is blank, it denotes standard configuration. Fan Type...
  • Page 6 2. Technical Data cont. Diagram 1. Overall dimensions Shows panels Fitted for supply air (option ‘1’) Applies if optional heat Table 2 exchanger fitted. 1285 1800 2552 1352 2337 3180 1352 2337 3460 Diagram 2. Additional view on ‘A’ COOLING COIL AND FAN ACCESS COOLING COIL DRAIN OUTLET...
  • Page 7 2. Technical Data cont. Diagram 3. Base frame dimensions Optional return/recirc air position from store area below (option ‘1) RETURN Optional supply air inlet SUPPLY through the roof (option ‘1’) Table 3 2802 1800 3430 2337 3710 2337 Diagram 4. Duct flange dimensions Fresh air Optional return/recirc air position from...
  • Page 8 2. Technical Data cont. Diagram 5. Airflow panel arrangement Diagram 6. Heat exchanger removal...
  • Page 9 2. Technical Data cont. Alternative supply/return air and weatherhood configurations...
  • Page 10 2. Technical Data cont. IDF2BDX 120/150 S1/S2 T –EBM RH ACCESS SIDE ELEVATION 2499,97 637.0 1300 IP65 63A 3 POLE ISOLATOR END VIEW ON FRESH AIR EU4 PLEATED PANEL FILTERS EBM PAPST 500 DIA BACKWARD OPTIONAL EXTRA 2 OFF 600x500x50 532 LIFT OFF CURVED SINGLE INLET BENSON 49KW...
  • Page 11 2. Technical Data cont. IDF2BDX 90/120/150 S1/S2 I/C –EBM 3128 O/ALL LENGTH FRESH & RETURN AIR DAMPERS 400H x 950W (S2 UNITS ONLY) 560,9 IP65 63A 3 POLE ISOLATOR 1300 SUPPLY AIR END OUTLET (E.O.) END VIEW ON FRESH AIR INLET ACCESS SIDE ELEVATION DX COOLING COIL 120 UNIT - 38kW 2 STAGE...

  • Page 12: Installation Details

    3. Installation Details Handling The Equipment Duct Connections Nordair Niche IDF heaters are designed to be Base Frame used in conjunction with air intake and air IDF heaters are supplied with a channel base distribution ducting. A positive seal must be...
  • Page 13 3. Installation Details Note: It is the responsibility of the Diagram 8. installer to ensure that safe lifting Slinging practices are followed on site, and to note that the detail provided in these instructions is for guidance only. Diagram 9. Clearances COIL REMOVAL MINIMUM...

  • Page 14: Dx Coil Information

    4. DX Coil Information DX COILS Maintenance Preventative maintenance is generally required to General description ensure that the coils are maintained in a clean DX coils comprise a matrix of copper tubes condition. This has three purposes: supported in tube end plates and associated casing work.
  • Page 15 4. DX Coil Information cont. Casework should be securely fixed prior to pipe these should be non-acidic. Foaming detergents work flanges being made up. are best for detaching debris but detergents should be rinsed from the pan after use to In order for work to be carried out on the air side prevent them contaminating the air stream.

  • Page 16: Gas & Electrical Connections

    5. Gas & Electrical Connections isolator should be of the key operable type to prevent vandalism and to prevent switching by Connection to gas service may only be carried others thus placing anyone working on the out by appropriately qualified persons. The gas appliance at a safety risk.

  • Page 17: Commissioning & Testing

    6. Commissioning & Testing • Check that all sensors have been fitted in If the Nordair Niche IDF unit is fitted with indirect gas fired heat exchanger(s). The attached accordance with the supplied wiring dia- instructions must be read and understood prior gram.
  • Page 18 6. Commissioning & Testing cont. 6.1.0 Compliance notices manufacturer, and that they are suitably aware of the purpose of the manuals and the safety The Benson Variante range of ducted warm air instructions. In addition, operators must be heating modules detailed herewith suitably trained in the use of the appliance so as...
  • Page 19 6. Commissioning & Testing cont. safety requirements. Notes: Neither asbestos nor soft soldered joints are The Benson Variante range of gas unit heaters used in the construction or manufacture of the meet with the governments criteria in respect of Benson range of Heaters. the Enhanced Capital Allowance Scheme.
  • Page 20 6. Commissioning & Testing cont. i) The manufacturer's recommended minimum The position of the heater relative to the service requirements have not been complied supply of fresh air. with. f) The position of the heater relative to potential stratification/circulation problems, which Note (ii) generally occur at higher levels and which may...
  • Page 21 6. Commissioning & Testing cont. the proximity of buildings and other obstacles 200 below guttering or eaves. which will influence this must be taken into account, preferably at the design stage. 300 from corners or openings (windows doors etc) and from other horizontal terminals on same All DM/DMV/DMVE heaters are equipped with a wall.
  • Page 22 6. Commissioning & Testing cont. on to allow the fan to continue to operate 6.2.1 Electrical Installation sufficiently cool the heater thereby preventing damage to the heat exchanger. All electrical wiring and connections must be in accordance with relevant European, Fan/Limit Controls National, and Local regulations as well as to IEE (Situated inside the access panel)
  • Page 23 6. Commissioning & Testing cont. It is a requirement that only suitably qualified manufactured and pre set for use with Natural/ and competent personnel are allowed to lpg Gas, and all feature 1/2” or 3/4” BSP undertake the commissioning of the heater. connections.
  • Page 24 6. Commissioning & Testing cont. and continue to let the heater fire for ten minutes. o) When the fan starts ensure that the direction Connection from the supply to the heater must of rotation is correct , and that the fan start is also comply with the relevant regulations (see within 2 minutes of burner ignition.
  • Page 25 6. Commissioning & Testing cont. provided, then follow the procedure as outlined • Connect a suitable pressure gauge to pipe below. line or to outlet pressure tap of gas control Allow time for pressure to stabilize before making concerned, to measure burner pressure adjustments.
  • Page 26 6. Commissioning & Testing cont. Adjustment screw (7mm) for maximum pressure setting Adjustment screw (9mm) for minimum pressure setting The interface board is a signal conditioner designed for the use in association a Honeywell modulation coil V7335A (Modureg). The purpose is to provide a linear conversion of a low DC voltage or current (produced by control equipment) to a Adjusting maximum pressure setting...
  • Page 27 6. Commissioning & Testing cont. • Potentiometer P2 is set at 40 %and P3 at function). 5%, the hold-in voltage of the burner relay is adjustable between 45 %and 100 % of the Adjustment of the minimum drop-out voltage input control signal. So, if the input control of burner relay.
  • Page 28 6. Commissioning & Testing cont. Before commencing any maintenance or Check that the gas pressure remains servicing work the heater must be shut down satisfactory for all appliances on the same circuit. and allowed to cool, and have the gas and r) Undertake combustion tests checking CO, CO electric supplies to it turned off at the supply and efficiency.
  • Page 29 6. Commissioning & Testing cont. Undo the gas pipe connection. Check that they are not kinked or damaged. Remove the 6 manifold fixing screws. Remove the manifold and injector assembly from Check electrical connections are intact. the right hand side of the heater. Test Check that the manifold is straight, the injectors Test and re-commission as per sections 6.3.0 to...
  • Page 30 6. Commissioning & Testing cont. 6.5 Dampers Installation When connecting ductwork to dampers take care to ensure that damper casing is not twisted by ductwork and that fixings do not penetrate cog housing of the damper which will affect the damper mechanism.
  • Page 31 6. Commissioning & Testing cont. Technical Data Appliance Type 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,RO,SE,SI,SK,TR BE,CZ,NL,FR,DE,IE,IT,ES,CH,PT,GB,SE, SK,SL,PT,PL,TR PL,LU,DE,RO...
  • Page 32 6. Commissioning & Testing cont. Technical Data - models DM 50 & 72 MODEL NAT GAS / LPG HEAT 49.0 72.0 OUTPUT 167,000 246,000 53.3 78.8 HEAT INPUT (NET) 181,700 268,900 % Net 92.0 91.4 EFFICIENCY % Gross 82.8 82.3 HEAT 23.6 34.9...

  • Page 33: Controls

    • A option of a supplementary gas fired heating 150 unit). section Applied when cooling stages activated. Full control of the Nordair Niche IDF units is via VM - Volume Maximum the main HVAC panel. Maximum considered tolerable from noise/ draft perspective to maximise free cooling.
  • Page 34 7. Controls cont. Minimum heating set point (supply air) to be Mitsubishi controls if required by plugging into maintained above room set point. AHU mounted socket provided in S1 and S2 air handling units (Note: Keypad controller should Maximum heating set point (supply air) 26 not normally be required for commissioning).
  • Page 35 7. Controls cont. Heatpump EBM-Papst connected to HVAC panel with Heatpump heating stages (condensers) 1 and 2 power and hardwire controls via AHU terminal (and 3 where applicable) activated by Trend rail. from T1 sensor. Mod-bus ‘daisy chain’ network cabling Trend dictates required supply air temperature connected direct to inverter within AHU.
  • Page 36 7. Controls cont. the sensor is replaced with good contact to the Varies between VM and VS according to pipe otherwise the Mitsubishi system will fault. load when free cooling is available and S2 is neither actively heating nor cooling. Mitsubishi key pad controller with LCD screen ECONOMISER FREE...
  • Page 37 7. Controls cont. Trend dictates required supply air temperature Burner fault indication to Trend via AHU terminal 0-10v output simultaneously each rail. Mitsubishi FTC controller. S2 Heating Control Heatpump & Electric Each Mitsubishi FTC controller controls relevant heater condenser output to achieve supply air set point as dictated by Trend 0 -10v output.

  • Page 38: Air Filters

    8. Air Filters COSHH Regulations Disposable filters The components of filters are inherently safe, but These are supplied in the forms of panel filters changing air filters could expose operators to a and are fitted into steel channel runners. Filters ‘nuisance dust’...

  • Page 39: Spare Parts

    10.Spare Parts ITEM PART NUMBER N6337 (All EBM equipped IDF2 models) N6338 (All EBM equipped IDF3 models) N6341 (All EBM equipped IDF3 models) Pressure N0868 (All EBM equipped models) transducer 232769 (All models) Mitsubishi controller 217248 (All models) Mitsubishi keypad 219488 (All models) Mitsubishi liquid/ air sensor...
  • Page 40 10. Spare Parts cont. Damper Heater Ref. DX Coil Gas Heater Damper Motor IDF2BDX90 S1 33-64-918 or 33-64-9185IL IDF2BDX90 S2 N8201 N9002 28KWDX90COIL IDF2DX90 S1 IDF2DX90 S2 N8201 N9002 IDF2BDX120 S1 33-64-9185 or 33-64-9185IL IDF2BDX120 S2 N8201 N9002 38KWDX120COIL IDF2DX120 S1 IDF2DX120 S2 N8201 N9002...
  • Page 41 10.Spare Parts cont. PART NUMBER ITEM DM 50 DM 72 Modulating 28-30-201 28-30-202 Valve Valve Gasket 28-64-226 33-64-227 Modulation 28-30-198 Interface Board Control Box 29-01-173 29-01-183 33-62-119 28-40-163 Pressure Switch (Honeywell) (Huba) Fan Limit Stat 28-16-059 Overheat Stat 28-16-058 Injector 33-64-144 33-64-145 Natural Gas...
  • Page 42 10.Spare Parts cont. PART NUMBER ITEM DM 50 DM 72 Electrode 33-64-193 Ionisation Probe 33-64-194 Overheat 28-50-030 Red Neon Burner On 28-50-038 Green Neon Reset Relay 28-25-039 230V Relay Base 28-25-035 High Fire 28-15-027 Timer Relay MCB (6A) 28-07-084 Lockout 28-40-118 Reset Switch Inshot Burner...

  • Page 43: User Instructions

    A full after sales To shut down the heater for a short period service is available from Nordair Niche. Read the Override the time/temperature controller to ‘off’. warranty ensure...

  • Page 44: Wiring Diagrams

    12. Wiring Diagrams. Wiring Diagram 33-67-742 DM-50 Auto ignition Modulation...
  • Page 45 12. Wiring Diagrams cont. Wiring Diagram 33-67-745 DM-72 Auto ignition Modulation...
  • Page 46 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF2BDX90, 120, 150(EBM)MOD UNIT SHEET 1 OF 5 BACNET/MODBUS...
  • Page 47 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF2BDX90, 120, 150(EBM)MOD UNIT SHEET 2 OF 5...
  • Page 48 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF2BDX90, 120, 150(EBM)MOD UNIT SHEET 3 OF 5...
  • Page 49 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF2BDX90, 120, 150(EBM)MOD UNIT SHEET 4 OF 5...
  • Page 50 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF2BDX90, 120, 150(EBM)MOD UNIT SHEET 5 OF 5...
  • Page 51 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF3BDX180, 200(EBM)MOD UNIT SHEET 1 OF 5 BACNET/MODBUS...
  • Page 52 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF3BDX180, 200(EBM)MOD UNIT SHEET 2 OF 5...
  • Page 53 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF3BDX180, 200(EBM)MOD UNIT SHEET 3 OF 5...
  • Page 54 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF3BDX180, 200(EBM)MOD UNIT SHEET 4 OF 5...
  • Page 55 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF3BDX180, 200(EBM)MOD UNIT SHEET 5 OF 5...
  • Page 56 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF4BDX240 (EBM)MOD UNIT SHEET 1 OF 5 BACNET/MODBUS...
  • Page 57 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF4BDX240 (EBM)MOD UNIT SHEET 2 OF 5...
  • Page 58 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF4BDX240 (EBM)MOD UNIT SHEET 3 OF 5...
  • Page 59 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF4BDX240 (EBM)MOD UNIT SHEET 4 OF 5...
  • Page 60 12. Wiring Diagrams cont. Schematic Wiring Diagram McDonalds IDF4BDX240 (EBM)MOD UNIT SHEET 5 OF 5...

  • Page 61: Fault Finding

    13. Fault Finding Electric Supply Turn on Electric Check fuse. Burner fails Supply Replace if required to light Check flue fan Flue fan running Replace flue fan connections Air pressure Check flue is Change air switch made clear pressure switch Thermostat Limit thermostat Reset Limit...
  • Page 62 13. Fault Finding cont. Fan will not Bad electrical Check wiring run, heater connection connection goes off on limit Fan control Reset fan Settings control settings incorrect Fan runs in Faulty fan Change fan manual mode control control Faulty fan Change fan motor or motor or...
  • Page 63 Notes...
  • Page 64 Technical Support: Tel: 01384 489 200 Fax: 01384 489 707 ambiradgroupsupport@tnb.com www.ambiradgroup.co.uk...

This manual is also suitable for:

Idf2bdx90Idf2bdx120Idf2bdx150Idf3bdx180Idf3bdx200Idf4bdx240

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