Related Manuals for SEELEY INTERNATIONAL AIRA DU SD Series
Summary of Contents for SEELEY INTERNATIONAL AIRA DU SD Series
- Page 1 INSTALLATION AND OPERATION DU SD SERIES HEATER OR MODELS AMI115-A Original English Instructions...
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Page 3: Table Of Contents
CONTENTS SAFETY 4.5.1 High Limit Control 1.0 Introduction 4.5.2 Thermostat And User Controls 1.1 General Safety Information 4.5.3 RLU Screens 1.1.1 Handling The Unit 4.6 Flow Adjustment Through Lever And Damper Blades 1.1.2 Positioning The Heater 4.7 General Operation 1.1.3 Combustibles 4.8 Setting Unit Functional Parameters 1.1.4 Wiring Electrical 4.9 Commissioning Results... -
Page 5: Safety
This Manual is intended to assist in the Installation, Commissioning and Service of Seeley International manufactured DU/ SD units and DOES NOT take precedence over any Australian Standards or legislation. -
Page 6: Occupational Health And Safety
SAFETY 1.1.5 Occupational Health and Safety Only safe working practices shall be employed when working on gas installations. The process of installing gas appliances shall take into consideration relevant OH&S requirements. There requirements pertain to all aspects of access, installation, operation and maintenance. Persons installing gas appliances shall be aware of their responsibilities and qualified in accordance with local OH&S requirements. - Page 7 SAFETY • Are all tools and materials being used, prevented from slipping and falling onto a person at ground level? Is the area below the work area suitably protected to prevent persons walking in this area? • Does the work schedule take into account weather conditions, allowing for work to be suspended in high winds, thunder storms/lightning or other types of weather giving wet, slippery surfaces? •...
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Page 8: General Information
CAN NOT be installed in a negative pressure environment. Commissioning can be provided by Seeley International otherwise for all type A appliances an experienced Type A installer is recommended. Type B units will require independent type B certification to local legislation. -
Page 9: Unit And Component Identification
GENERAL INFORMATION 2.4 TECHNICAL SPECIFICATION 2.4.1 Unit and Component Identification MODEL: DU12 DU16 SD26 SD30 SD35 SD40 SD51 SD60 SD70 CONFIGURATION Type SINGLE HEAT EXCHANGER DUAL HEAT EXCHANGER Airflow 28C (L/s) 1118 1784 2100 2454 2785 3568 4200 4908 Temp Rise Airflow 11C (L/s) 2098... -
Page 10: Fan Motors
• All units are available at order with 2 different motor power capacity to meet flow and pressure requirements. Units may be fitted with a larger motor at additional cost. Contact Seeley international for further advice. • Axial fans are specified for the F configuration and designed to be installed indoors generally as an air curtain. -
Page 11: Installation Information
INSTALLATION INFORMATION 3.0 INSTALLATION INFORMATION The supplied units are to be installed in accordance to this manual, relevant local standards, acts and regulations. The space in which the DU/SD unit is installed shall be ventilated to the extent required to ensure safe and effective operation. -
Page 12: Model Variations And Dimensions
INSTALLATION INFORMATION 3.1 MODEL VARIATIONS AND DIMENSIONS SINGLE HEAT EXCHANGER NO BLOWER ISOMETRIC 111.2 111.2 AMI138-A TOP AMI138-A ISO REAR SIDE AMI138-A REAR AMI138-A SIDE FRONT BOTTOM 111.2 111.2 111.2 111.2 111.2 111.2 111.2 AMI138-A BOTTOM AMI138-A FRONT Figure 1A: DU SD Units Dimensions are in mm. - Page 13 INSTALLATION INFORMATION SINGLE HEAT EXCHANGER WITH BLOWER DU / SD ISOMETRIC AMI139-A TOP AMI139-A ISO REAR SIDE AMI139-A REAR 112.4 112.4 112.4 AMI139-A SIDE 112.4 112.4 112.4 FRONT BOTTOM 112.4 112.4 AMI139-A BOTTOM AMI139-A FRONT 112.4 112.4 Dimensions are in mm. Figure 1B: DU SD Units 3.1.2 UNIT DIMENSIONS - SINGLE HEAT EXCHANGER WITH BLOWER DU / SD DU12...
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Page 14: Dimensions - Dual Exchanger No Blower Du / Sd
INSTALLATION INFORMATION DUAL HEAT EXCHANGER NO BLOWER AMI140-A TOP REAR SIDE AMI140-A REAR AMI140-A SIDE FRONT AMI140-A FRONT Figure 1C: DU SD Units Dimensions are in mm. 3.1.3 UNIT DIMENSIONS - DUAL HEAT EXCHANGER NO BLOWER DU / SD SD51 SD60 SD70 1025... -
Page 15: Dimensions - Dual Exchanger With Blower Du / Sd
INSTALLATION INFORMATION DUAL HEAT EXCHANGER WITH BLOWER DU / SD ISOMETRIC AMI141-A ISO AMI141-A TOP REAR SIDE AMI141-A REAR AMI141-A SIDE FRONT BOTTOM AMI141-A BOTTOM AMI141-A FRONT Figure 1D: DU SD Units Dimensions are in mm. 3.1.4 UNIT DIMENSIONS - DUAL HEAT EXCHANGER WITH BLOWER DU / SD SD51 SD60 SD70... -
Page 16: Installation
INSTALLATION INFORMATION 3.2 INSTALLATION The following recommendations are not intended to supplant or take precedence over relevant official regulations. AIRA DU / SD units are designed essentially as a roof top or external ground mount unit. 3.2.1 Location This equipment is not designed for long and complex air distribution ductwork and as such the unit should be located as close as practicable to the points of air distribution. -
Page 17: Plant Room
INSTALLATION INFORMATION 3.2.3 Plant Room Do not locate unit in an enclosed plant room unless sufficient openings are available to ensure air pressure in the plant room CANNOT become negative with all items in the plant room operating. Mechanical ventilation may be required. Failure to achieve positive plant room pressure will result in gas combustion gasses being drawn into the room being heated, presenting a health risk to any occupant. -
Page 18: Lifting
Below is a suggested lifting arrangement. Noting that the centre of gravity should be assessed for each unit prior to lifting by suitably qualified crane operator, rigger and dogmen. Certification of the lifting lug assembly may be obtained by contacting Seeley International. AMI041-A Figure 5: Lifting Example 3.2.6 Positioning and Securing... -
Page 19: Duct Connections
INSTALLATION INFORMATION 3.2.7 Duct Connections The outlet of the unit is provided with a 40mm flange for Ductmate® or similar ductwork connection. An inspection and service panel is located above and below the duct connection flange. Duct connection should be in a manner which maintains panel operation without the need to remove ductwork. -
Page 20: Electrical Connections
INSTALLATION INFORMATION 3.3 ELECTRICAL CONNECTIONS 3.3.1 Electrical Supply All electrical connections are to be as per AS3000. All electrical work shall be performed by a registered electrical contractor. Aira Manual AM006, provides a comprehensive electrical connection guide including wiring configurations for different control setups and wiring diagram package and should be used in conjunction with this manual. -
Page 21: User Control Configuration Options
INSTALLATION INFORMATION 3.3.2 User Control Configuration Options There are 2 primary control options for AIRA DU/SD units, Wall switch and BMS. Units are specified with either a wall switch or capability to be wired for BMS interface. BMS specified units have a different RLU program to those specified with the wall switch. -
Page 22: Lpg
INSTALLATION INFORMATION Gas pressure for both Natural Gas and LPG is listed below in Table 2. Note that there is different pressure requirements for NG and LPG. If the pressure is greater than 7kPA an over pressure shut off regulator is required. GAS PRESSURE Maximum kPa Minimum kPa... -
Page 23: Gas Pressure Valve
INSTALLATION INFORMATION MANIFOLD PILOT LINE BALL VALVE Figure 13: Gas Train Side View 3.4.5 Gas Pressure Valve AMI073-A Natural gas and LPG have different gas valves. The Natural gas valve may be identified by the on/off rotary knob where the LPG valve has a switch. Figures 14 and 15 depict a typical natural gas valve. Natural gas valves may be converted for use with LPG by using a conversion kit. -
Page 24: Operating Pressure Of The Gas Valve
INSTALLATION INFORMATION 3.4.6 Operating Pressure of the Gas Valve Unit Gas Type High Pressure (kPA) Low Pressure (kPA) Natural Gas 0.875 DU10 0.875 Natural Gas 0.875 DU12 0.875 Natural Gas 0.875 DU16 0.875 Natural Gas 0.72 0.252 SD22 0.875 Natural Gas 0.72 0.252 SD26... -
Page 25: Setting The Modulating Valve Motor
INSTALLATION INFORMATION 3.4.8 Setting the Modulating Valve Motor The ball valve to motor alignment and limits are factory preset. Site gas pressure may differ to factory settings therefore requiring modulating motor limit adjustment. Aligning the Motor and Valve Shaft 1. Open gas valve fully with motor removed. (This is indicated by the valve shaft flat facing outwards) Removal of the adaptor shaft may be required to identify the shaft flat. -
Page 26: Pilot Injector Setup
INSTALLATION INFORMATION 3.4.9 Pilot Injector Setup The pilot mounts to a bracket attached to the bottom of a burner. The burner with the pilot attached should be in the centre of the burner chamber. The Pilot can be removed by removing the retaining clip from the housing, then removing the injector from the housing. Care must be taken when working on the pilot system not to damage the aluminium gas hard line. -
Page 27: Commissioning Information
COMMISSIONING INFORMATION 4.0 COMMISSIONING Prior to commencement ensure Main Isolator Switch is OFF and correct electrical Lock Out Tag Out (LOTO) procedures are followed. Failure to do so may result in Injury or Death. A commissioning report template is available in Appendix D of this document. AS5601.1 Appendix O provides additional guidelines for commissioning. -
Page 28: Gas Checks
COMMISSIONING INFORMATION 1. Check that the belts are correctly fitted and tensioned. Refer to manufacturer’s literature for tensioning methodology and tension requirements. 2. Confirm the fan direction. If the fan is spinning in reverse, check the wiring diagram to ensure that the motor is wired in correctly. -
Page 29: Setting The Modulating Valve Motor
COMMISSIONING INFORMATION 4.4.3 Setting the Modulating Valve Motor Valve to motor alignment and limits are factory preset. Site gas pressure may differ to factory requiring modulating motor limit adjustment. The minimum low fire rate must not be less than 60% of full fire rate. To set the fire rate follow the steps below;... -
Page 30: Thermostat And User Controls
COMMISSIONING INFORMATION All units have two high limit controls per heat exchanger. The following steps are to be completed during the commissioning of the unit. 1. Check that the high limit control is securely installed and free from damage. 2. Confirm that the high temperature limit is as per client specification. Confirm that the control is wired into the control box. -
Page 31: Flow Adjustment Through Lever And Damper Blades
COMMISSIONING INFORMATION 4.6 FLOW ADJUSTMENT THROUGH LEVER AND DAMPER BLADES Outlet duct flow can be regulated via the adjustment of the outlet damper blades when installed on DU and SD units. The dampers can be adjusted via a lock in handle located beside the control box on the duct outlet which will lock the blades in one of three positions;... -
Page 32: General Operation
COMMISSIONING INFORMATION 4.7 GENERAL OPERATION 1. Remove all foreign objects from blower casing and ensure that all access panels are installed and secured. 2. Connect manometers to confirm the main burner and supply pressures. 3. De-isolate gas and electrical supply to the heater. 4. -
Page 33: Setting Unit Functional Parameters
COMMISSIONING INFORMATION 4.8 SETTING UNIT FUNCTIONAL PARAMETERS Fine tuning of the modulating motor and damper blade position may be required as every installation may have different ducting, supply pressures and heating requirements. Leaving air dampers are set half closed from the factory but may require adjustment. The below steps are to be followed for adjusting the temperature rise. -
Page 34: Operating Instructions
OPERATING INSTRUCTIONS 5.1 STARTUP - WALL SWITCH UNITS TO PROVIDE HEAT 1. Set Thermostat to desired temperature. 2. Switch the Fan Switch to ON. 3. Switch the Heat switch to ON. 4. Switch the wall switch ON/OFF switch to ON. 5.2 STARTUP - WALL SWITCH UNITS TO PROVIDE VENTILATION 1. -
Page 35: Operational Flowchart
OPERATING INSTRUCTIONS 5.6 OPERATIONAL FLOWCHART 5.6.1 Heating Flowchart Gas and Wall Switch is Electrical 4 minutes. Reset system supplied to the unit 30 seconds break Gas supplied to pilot. Fan Starts Adjust thermo- stat to desired temperature Successful pilot Flame Sense detects pilot Operate wall switch. -
Page 36: Unit Maintenance
Aira DU/SD units require electrical, gas fitting and plumbing trades to service all aspects of the unit. Servicing should be carried out by a qualified Seeley International Service Technician, appointed Aira service agent or appropriately qualified trades persons. If unsure about any servicing or maintenance aspect of the unit, immediately stop work and contact Seeley International for assistance. -
Page 37: Major Service/Component Replacement Process
Motors range in weight from approximately 20 to 270Kg’s. Generally the larger the unit the larger the motor. Refer to technical data sheet or contact Seeley International with the units serial number to identify which motor you have. The use of a lifting apparatus and/or several service personnel may be required for heaver motors. -
Page 38: Belts
UNIT MAINTENANCE 9. Replace motor in reverse order. 10. To tighten belts, use prybar to assist in lifting motor into place whist tightening locking bolts. Larger motors will have jacking bolts in the motor platform to hold the weight of the motor. Adjust these to the required length to achieve correct belt tension. -
Page 39: Gas Isolation Fitted
UNIT MAINTENANCE 6.2.2.3 Gas Isolation Fitted and in Good Working Condition The gas isolation valve is to be examined to make sure that it is present and in good working condition. 6.2.2.4 Gas Supply Pressure The gas supply pressure is to be read at the unit gas valve and checked against table 4 to ensure that it falls within the required range. -
Page 40: Leaving Air Sensor
UNIT MAINTENANCE 6.2.2.9 Leaving Air Sensor Remove Sensor 1. Turn OFF main isolator and follow LOTO procedures. Failure to do so may result in Injury or Death! 2. Disconnect from control box. 3. Remove screws holing sensor support bracket. 4. Extract from unit. 5. -
Page 41: Fault Finding
UNIT MAINTENANCE 6.3 FAULT FINDING 6.3.1 Fault Finding Heater FAULT POSSIBLE CAUSE REMEDY Pilot Flame Goes Out Flame too small. Defective thermocouple or gas valve. Down drafts or negative pressure in room. Exhaust fans will cause trouble unless adequate Dirt in pilot line or orifice. “make-up”... -
Page 42: Replacement Parts List
UNIT MAINTENANCE FAULT POSSIBLE CAUSE REMEDY Heater Not Delivering Proper Under sized orifices or gas pressure too low Check with gas-company or manufacturer before Amount of Heat Limited air delivery changing injectors or adjusting regulator. Be sure Dirty flue tubes that gas pipe sizing is adequate Clean filters (if fitted) and check fan speed. -
Page 43: A: Aga Type B Information
APPENDIX A: AGA TYPE B INFORMATION Contact Seeley International for further details DU/SD SERIES INSTALL OPERATION MAINTENANCE MANUAL |... -
Page 44: B: Electrical Information
APPENDIX B: ELECTRICAL INFORMATION Please refer to • AM006 Aira Control Configuration Options DU/SD • WD-CH637 DU SD HCV Control Box Wiring Diagrams... -
Page 45: C: Gas Train Information
APPENDIX C: GAS TRAIN INFORMATION MODULATING GAS VALVE – NATURAL GAS Item Number Part Number Description DU10 DU12 DU16 SD22 SD26 SD30 SD35 SD40 PC332 WR GAS VALVE ¾ 24V 36C68C or PV326 36H32409 648613 PIPE ¾” MEDIUM GAL (mm) PV051 BALL VALVE ¾”... - Page 46 APPENDIX C: GAS TRAIN INFORMATION GAS TRAIN ON/OFF – NATURAL GAS Item Number Part Number Description DU10 DU12 DU16 SD22 SD26 SD30 SD35 SD40 PC332 WR GAS VALVE ¾ 24V 36C68C- 648613 PIPE ¾” MEDIUM GAL (mm) PN037 NIPPLE GAL HEX ¾” PU009 UNION BARREL GAL BS 3*4”...
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Page 47: D: Commissioning Report
APPENDIX D: COMMISSIONING REPORT Pass = Adjust = A Attention Req. = X Model Number Serial Number Unit Details Installer Installation Date Site Address Unit Condition Access to the Unit Condition of Casing Unit is adequately secured General Installation Structural bolts and grub screws tight Roof Stand Installation Duct Work to unit connected... - Page 48 APPENDIX D: COMMISSIONING REPORT Name: Date: Electrical Commissioners Details License number: Signature: Name: Date: Gas Commissioners Details License number: Signature: Name: Date: Water Commissioners Details License number: Signature: Commissioning Notes:...
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Page 49: E: Temperature Rise Over Heat Exchanger
APPENDIX E: TEMPERATURE RISE OVER HEAT EXCHANGER APPENDIX E1 - LEAVING AIR TEMP EXCEEDS 40°C HCV12 with an airflow of 840 L/s over the heat exchanger to achieve a 28°C rise in temperature. The outside air temperature is 15°C. Thermostat is set to 29°C . As the leaving air temperature is greater than 40°C the unit will shut down. -
Page 50: E3 - Set Temperature Achieved, Modulating Controls Temp
APPENDIX E: TEMPERATURE RISE OVER HEAT EXCHANGER APPENDIX E3 - SET TEMPERATURE IS ACHIEVED AND MODULATING MOTOR CONTROLS TEMPERATURE HCV12 with the dampers set to achieve an airflow between 804L/s and 2098 L/s over the heat exchanger that achieves a temperature rise 22°C rise in temperature. The outside air temperature is 15°C. Thermostat is set to 29°C. The leaving air temperature sensor does not exceed 40°C so the unit continues to operate. -
Page 51: F1 - Maintenance Schedule
APPENDIX F: MAINTENANCE APPENDIX F1: MAINTENANCE SCHEDULE DESCRIPTION COMPONENT Month Month Month Month Month Month Month Month Month Month Month Month Pre- Season Electrical Incoming Electrical Supply Electrical Wiring ... -
Page 52: F2 - Monthly Maintenance Check
APPENDIX F: MAINTENANCE APPENDIX F2: MONTHLY MAINTENANCE CHECK Owner Monthly Checklist Unit Type: ______________________ C=Clean R= Replace Description Component Check For A= Adjust = Check Incoming Electrical Visually inspect incoming electrical supply Electrical Supply and isolation for signs of damage. Incoming Gas Visually inspect incoming gas connection for Supply... -
Page 53: F3 - Maintenance Checklist
APPENDIX F: MAINTENANCE APPENDIX F3: MAINTENANCE CHECKLIST Maintenance Check List Unit Type: ______________________ Date of Maintenance: ___________________ C=Clean R= Replace Description Component Check For A= Adjust = Check N/A= Not Required Visually inspect incoming electrical supply Incoming electrical and isolation for signs of damage. If any major supply upgrades have been installed to the site confirm that there is sufficient power for unit operation. - Page 54 APPENDIX F: MAINTENANCE Access to unit is clear of obstructions. Roof anchor Access to unit system is compliant and certified if required. Check that the case is free of damage. Check that all access panels are secure. Check the internal of Weatherproof casing the cases for signs of water build up.
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Page 55: G: Warranty Information
APPENDIX G: WARRANTY INFORMATION G1 - HOW TO REGISTER YOUR PRODUCT WARRANTY (AUSTRALIA AND NEW ZEALAND ONLY) Warranty Information section HOW TO REGISTER YOUR PRODUCT WARRANTY (Australia and New Zealand only) Please register your warranty online by visiting seeleyinternational.com and selecting COMMERCIAL section on the top right hand side of the screen. -
Page 56: G2 - Warranty Terms And Information
Warranty Details (Australia and New Zealand only) In this warranty: We or us means Seeley International Pty Ltd (Seeley) ABN 23 054 687 035, and our contact details are set out at the end of this warranty; You means you, the original end-user purchaser of the Goods;... - Page 57 The warranty granted in clause 1 covers the costs of parts and labour but you will be responsible for: the cost of travel incurred for a Seeley International service agent to get to and from the location of the Goods if the location of the Goods is either: (i) outside the metropolitan areas of the capital cities;...
- Page 58 PRIVACY NOTICE Seeley International Pty Ltd ABN 23 054 687 035 will use the personal information you provide us with to provide warranty support for the product you have purchased and to inform you about other products and services. If you choose not to supply us with the information requested, we may be unable to provide you with warranty support.
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Page 59: H: Release Information
APPENDIX H: RELEASE INFORMATION Revision Date Amendment Author Approved 04.06.2021 Initial Release D. Wall C. Arnel 12.08.2021 SD30 Type A update D. Wall C. Arnel 27.09.2021 Tabel and Dimension update D. Wall C.Arnel 25.01.2022 SD26 and SD40 Type A update D.Wall C.Arnel DU/SD SERIES INSTALL OPERATION MAINTENANCE MANUAL |... - Page 60 MANUFACTURED BY: SEELEY INTERNATIONAL PTY LTD 77 NORTH ST, ALBURY NSW 2640, AUSTRALIA It is the policy of Seeley International to introduce continuous product improvement. Accordingly, specifications are subject to change without notice. Please consult with your dealer to confirm the specifications of the model selected.
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