Daikin DPS 003 Manual
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Daikin DPS 003 Manual

Applied rebel commercial packaged rooftop unit
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Summary of Contents for Daikin DPS 003

  • Page 2: Table Of Contents

    Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Optional Hot Water Heat .

  • Page 3: Introduction

    This manual provides general information about the “A” control box door. It includes the unit model number, serial vintage Daikin Applied Rebel Commercial Packaged Rooftop number, electrical characteristics, and refrigerant charge. Unit, model DPS. In addition to an overall description of the...

  • Page 4: Mechanical Installation

    Figure the regulations of authorities having jurisdiction and all 1. Also, Daikin Applied recommends providing a roof walkway to applicable codes. It is the responsibility of the installer to the rooftop unit as well as along each side of the unit that provides access to most controls and serviceable components.

  • Page 5: Overhead Clearance

    Mechanical Installation Mechanical Installation Unit(s) Surrounded by Solid Walls: WARNING 1. If there are walls on one or two adjacent sides of the Mold can cause personal injury . Some materials such unit, the walls may be any height. If there are walls as gypsum wall board can promote mold growth when on more than two adjacent sides of the unit, the walls damp.
  • Page 6 Mechanical Installation Figure 2: Roof Curb Assembly (DPS 003—006) LEFT SIDE BACK SIDE 28.69 INSIDE 9.84 INSIDE 28.76 INSIDE 9.64 INSIDE 44.24 61.50 RIGHT SIDE FRONT SIDE NOTE: 1. Check submittal drawing for gas/water/electrical/supply/return air opening DPS 003–006 Roofcurb with ERW Certified Drawing...
  • Page 7 Mechanical Installation Figure 3: Roof Curb Assembly (DPS 007–015) BACK SIDE LEFT SIDE SUPPLY RETURN RIGHT SIDE FRONT SIDE DPS 007–012 Roofcurb with ERW Certified Drawing Model: DPS McQuay International certifies that its equipment will conform to this drawing and McQuay’s published specifications, subject to its published warranty.

  • Page 8: Rigging And Handling

    Mechanical Installation Rigging and Handling Figure 4: Rigging Label LIFT ONLY AS SHOWN WARNING USE SPREADER BAR Only trained and qualified personnel should be allowed to rig loads or operate load rated cranes and/or hoist assemblies. Do not use a forklift to lift or maneuver the unit.

  • Page 9: Damper Assemblies

    Mechanical Installation Damper Assemblies Table 4: Energy Wheel Weight Additions 30% OA Econo 100% OA The optional damper assemblies described in this section Small are ordered with factory-installed actuators and linkages. Cabinet The following sections describe the operation and linkage Large adjustment of the factory option.
  • Page 10 Installing Ductwork run have adequate static pressure. On vertical-supply/vertical-return units, if a Daikin roof curb 4. Locate the duct tap in a nonturbulent flow area of the is not used, the installing contractor should make an airtight duct.
  • Page 11 Mechanical Installation Figure 8: Duct Static Pressure Sensing Tubing 3. Locate the building tap so it is not influenced by any Installation source of moving air (velocity pressure). These sources may include air diffusers or outside doors. Main Control Panel Condenser Section 4.

  • Page 12: Electrical Installation

    Electrical Installation Electrical Installation Pre-Construction Electrostatic Discharge (ESD) can damage components in a manner that is not always readably detectable. A static The Rebel unit comes equipped with a Microtech III controller potential can easily be generated on a person that reaches 25 and can be used for sites that are still under construction.
  • Page 13 Daikin Applied trained technicians who are A ground lug is provided in the control panel. Size the familiar with working on live equipment. A representative of...
  • Page 14 Electrical Installation Table 8: Electric Heat Data Voltage Amps Voltage Amps 16 .7 99 .9 15 .1 90 .4 7 .3 43 .8 6 .0 36 .1 33 .3 149 .9 30 .1 135 .6 14 .6 65 .6 12 .0 54 .2 50 .0 45 .2...

  • Page 15: Refrigeration System

    Refrigeration System Refrigeration System Piping System The Rebel piping system varies significantly between the circuit with a single or tandem compressor. All units use multiple possible configurations; heat pump, cooling only, an electronic expansion valve (EVI) and a start-up by pass and modulating hot gas reheat.
  • Page 16 Refrigeration System Refrigeration System Figure 11: Refrigeration Circuit for Large Cabinet Heat Pump (DPH) unit with Modulating Hot Gas Reheat Item Description Indoor coil electronic expansion valve Outdoor coil electronic expansion valve Check Valve Refrigerant Receiver Indoor fan Outdoor fan COMP1 Inverter compressor Fixed speed compressor...
  • Page 17 Refrigeration System Component Description Receiver Only Rebel Heat Pump units will have a receiver. Different Variable Speed Compressor volumes of refrigerant are required inside the system during A variable speed compressor (COMP1) is used on all Rebel Mechanical Cooling (or defrost) and Mechanical Heating. Units, DPS.
  • Page 18 Refrigeration System Oil Separator Check Valve All Rebel, DPS(H), units will have an oil separator on the All Rebel Units will have check valves on each of the discharge line of the compressor. This device will remove compressor discharge lines. On large cabinet units oil from the compressor discharge gas and return it to the (7–15 Tons), two valves, one on each compressor, prevent compressor suction line.
  • Page 19 Refrigeration System High Pressure Switch Four-Way Valve All Rebel Units will have a high pressure switch on each The Four Way Valve (4WV) also known as a Reversing Valve compressor. Large cabinet units (7–15 Tons) will have an HP1 is a component only used on Heat Pumps. This device is switch on the variable speed compressor (COMP1) and a HP3 used to direct the discharge gas from the compressor into the on the fixed speed compressor (COMP3).
  • Page 20 Refrigeration System By-Pass Solenoid Valve Indoor Expansion Valve The By-Pass Solenoid Valve (SVB) is used to “short-circuit” The Indoor Expansion Valve (EVI) is a 12 VDC stepper the high pressure compressor discharge to the low pressure motor driven valve, used in heating and cooling mode. In suction side during start-up.
  • Page 21 Refrigeration System Suction Pressure Transducer Outdoor Refrigerant Temperature The Suction Pressure Transducer (PTS) is a refrigerant Only Rebel Heat Pumps units will have an Outdoor pressure sensor that screws onto a Schrader fitting on the Refrigerant Temperature Sensor (ORT). This sensor is used suction line of the compressor deck.

  • Page 29: Optional Gas Heat

    Questions regarding specific contaminants should be referred The Daikin burner receives its electrical power from the main to your local gas utility. unit control panel. No additional power wiring must be routed to the burner.

  • Page 32: Sequence Of Operation (Staged Control)

    This unit is equipped at the factory for use with natural gas only. Conversion to LP gas requires a special kit 10. Furnace DDC controller receives a stage 2 heat supplied by the Daikin Applied Parts Group. Failure to command. use the proper conversion kit can cause fire, carbon 11.

  • Page 33: Start-Up Procedures

    A . This appliance does not have a pilot. It is equipped performed by Daikin Applied trained technicians who are with an ignition device which automatically lights the familiar with working on live equipment. A representative of burner.
  • Page 36 Optional Gas Heat Ignition Control Module for Modulating Gas Furnace Figure 37: Typical Modulating Gas Furnace Electrical Schematic with Sensor IM 1125-5...
  • Page 38 Optional Gas Heat Table 22: Functional Alerts Display Information Alert Description Possible Cause Solution The flame could not be established during the trial for ignition period. Failed ignition attempt This alert indicates the See “01” in the See “01” in the maximum number of LOCKOUT ERRORS LOCKOUT ERRORS...
  • Page 39 Optional Gas Heat Table 19: Functional Alerts Display Information Alert Description Possible Cause Solution 1. Insure gas supply is connected to furnace A. Low gas line pressure and check for proper line pressure . 1. Check for faulty gas valve wiring. 2.

  • Page 44: Optional Energy Recovery Wheel

    Wheel Construction Return air - The air stream that is returned from the building. Your Daikin enthalpy wheel is delivered completely assembled Return air becomes exhaust air after going through the and ready to run. The wheel is built to provide many years of enthalpy wheel.
  • Page 45 Optional Energy Recovery Wheel Optional Energy Recovery Wheel Figure 40: Wheel Construction (Side-by-Side) (1) Currently, only the Over-Under configuration is offered on Daikin rooftop systems and air handlers. Constant Speed Frost Prevention Figure 41: Purge Detail When there is a threat of frost on the enthalpy wheel, the...

  • Page 46: Optional Outdoor Air Monitor

    Optional Outdoor Air Monitor Optional Outdoor Air Monitor Thermal Dispersion Airflow Measurement Technology Thermal dispersion technology relates the velocity of the air Connecting to MicroTech III Controllers to the power and rise in temperature of a heated element in a Wiring moving airstream.
  • Page 47 Optional Outdoor Air Monitor Optional Outdoor Air Monitor Figure 45: MicroTech III Controller Figure 46: Transmitter and Connector Detail Transmitter Connector IM 1125-5...
  • Page 48 When all characters of the flow rate units are displayed in lower case (for example cfm) the transmitter is operating in the Field Calibration Wizard mode.Daikin Applied users do not need to use this function. LCD Blinks ** LOW ALARM **, ** HIGH ALARM ** or **...
  • Page 50 Optional Outdoor Air Monitor Table 26: General Troubleshooting Problem Possible Cause Remedy Power switch not in the "ON" position. Move the power switch to the "ON" position. Ensure that 24VAC power is connected to L1 and L2 Improper supply voltage to the power input terminal of the POWER terminal block and that the voltage No LCD display indication and the green Transmitter block.
  • Page 51 Differential pressure is only available from transmitters differential pressure measurement There is no value for the differential pressure point that have a Bi-directional Bleed Airflow Sensors required, contact your local Daikin Applied connected. Representative about a Bi-directional Bleed Airflow Sensor. IM 1125-5...

  • Page 53: Unit Options

    Unit Options Unit Options Convenience Receptacle (Field Powered) Convenience Receptacle (Unit Powered) A Ground Fault Circuit Interrupter (GFCI) convenience A Ground Fault Circuit Interrupter (GFCI) convenience receptacle is provided in the main control box on all units. To receptacle is provided in the main control box on all units. use this receptacle, connect a separate field-supplied 115 V The receptacle shall be powered by a factory installed and power wiring circuit to the outlet.

  • Page 57: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams Figure 35 (continued): CAV_VAV 208-230 VAC Wiring (2 of 4) (160) (160) 120V_H 120V_N 159A 155B 120V CLASS 2 75VA 207A 207B 207B 207A G-24V 207B GO-24C TIME CLOCK OR TENNANT OVERIDE 207B R3-4 T_CLOCK 207A 211A (345) RA Smoke...
  • Page 58 Wiring Diagrams Figure 35 (continued): CAV_VAV 208-230 VAC Wiring (3 of 4) (160) (160) 120V_H 120V_N R-HP1 HP1-I HP1-I 159A 303A 155B R-CCH1 DO1B 159A 305A 155B R-HP1 HP3-I HP3-I DO2B 307B 307C 155B 159A 307A (303) R5-6 307B 155B OAER 159A 311A...
  • Page 59 Wiring Diagrams Figure 35 (continued): CAV_VAV 208-230 VAC Wiring (4 of 4) IM 1125-5...
  • Page 62 Wiring Diagrams Figure 35 (continued): CAV_VAV 460 VAC Wiring (3 of 4) (160) (160) 120V_H 120V_N R-HP1 HP1-I HP1-I 159A 303A 155B R-CCH1 DO1B 159A 305A 155B R-HP1 HP3-I HP3-I DO2B 307B 307C 155B 159A 307A (303) R5-6 307B 155B OAER 159A 311A...
  • Page 63 Wiring Diagrams Figure 35 (continued): CAV_VAV 460 VAC Wiring (4 of 4) IM 1125-5...

  • Page 65: Sequence Of Operation

    Sequence of Operation Sequence of Operation Mechanical Cooling The unit goes into the cooling mode of operation when the control temperature (return temperature) is above the change- Constant Volume (Space Comfort Controller) over setpoint by more than ½ the deadband. The control temperature for a CAV unit is typically the Example - If the change over temperature is 70.0°F and the space temperature.

  • Page 66: Pre-Start Of Unit

    Sequence of Operation Pre-Start of Unit 7. Verify the phase voltage imbalance is no greater than All units are completely run tested at the factory to promote 8. Verify that gas piping is complete and leak tight. proper operation in the field. However, to ensure proper operation once the unit is installed, the following check, test, 9.

  • Page 67: Check, Test And Start Procedures

    Check, Test and Start Procedures Check, Test and Start Procedures Economizer Start-Up Perform the Following Procedure: 1. Check whether the outdoor air is suitable for free NOTICE cooling. Venting refrigerant to atmosphere is not allowed per 2. At the keypad, set the cooling setpoint low enough so most local laws and/or codes.

  • Page 68: Energy Recovery Wheel

    Check, Test and Start Procedures Check, Test and Start Procedures Set Up for Optimum Control Air Balancing The Outdoor air sensor must be calibrated. WARNING • Compare the MicroTech III OAT reading to an Moving machinery hazard . cause severe external temperature measuring device.

  • Page 69: Final Control Settings

    NOTE: Unit operation may also be controlled by the building automation system. Maintaining Control Parameter Records Daikin Applied recommends that the MicroTech III controller’s setpoints and parameters be recorded and saved for future reference. If the microprocessor control board requires replacement, this record facilitates entering the unit’s proper data.

  • Page 70: Maintenance

    Maintenance Maintenance Planned Maintenance Performing Service Maintenance Preventive maintenance is the best way to avoid unnecessary Installation and maintenance must be performed only by expense and inconvenience. Have this system inspected qualified personnel who are experienced with this type of at regular intervals by a qualified service technician.
  • Page 71 Maintenance Maintenance Preparation for Storage Figure 54: Rebel Filter Section Supply Fans 1. Depending on local climate conditions, condensate may collect on components inside the units. To prevent surface rust and discoloration, spray all bare metal parts with a rust preventive compound. Cabinet Sections Once a month, open a door on each section and verify that no moisture or debris is accumulating in the unit.

  • Page 72: Appendix - Keypad/Display Menu Structure

    Maintenance Refrigerant Charge MicroTech III keypad instructions for charging and/or evacuation The Rebel unit has many configurable options that can affect the refrigerant charge. Actual unit charge is given on the Evacuating the charge: unit’s data plate found on the inside of the control panel. The •...
  • Page 73 Maintenance Servicing Refrigerant Sensors or Switches Servicing the Compressor Ground Fault Interrupter CAUTION The Rebel unit is equipped with a ground fault interrupter Severe loss of charge may occur if the high on the compressor(s). This is a two part device with a current refrigerant pressure switch is replaced before sensing donut on the power wires to the compressor(s) reclaiming the refrigerant .
  • Page 74 Scroll Compressor a freight charge will be billed to your account. Air freight costs are not covered under the Daikin Applied All Daikin Rooftop products include a first-year parts only warranty.
  • Page 75 Warranty Registration Form Daikin Applied To comply with the terms of Daikin Applied Warranty, complete and return this form within 10 days to Daikin Applied, Warranty Department Check, test, and start procedure for air handling units with or without heat recovery.
  • Page 76 Serial # _________________________ D. Check for air bypass around heat wheel. Signature _____________________________________________________________ Startup date: ___________________________ Return completed form by mail to: Daikin Applied Warranty Department 13600 Industrial Park Boulevard Minneapolis, MN 55441 or by email to: AAH.Wty_WAR_forms@DaikinApplied.com Please list any additional comments that could affect the operation of this unit; e.g., shipping damage, failed components, adverse installation applications, etc., on a separate sheet and attach to this form or within the email message.
  • Page 77 Poor 10. How would you rate the overall quality of the product? Excellent Good Fair Poor 11. How does the quality of Daikin products rank in relation to competitive products? Excellent Good Fair Poor Comments _______________________________________________________________________________________ Please list any additional comments which could affect the operation of this unit; i.e., shipping damage, failed components, adverse installation applications, etc.
  • Page 78 Appendix – Keypad/Display Menu Structure The following is a description of the MicroTech III menu structure. These menus and items can all be displayed with the keypad/ display. Menu items displayed will change based on the selected unit configuration. Figure 54: Main Menu – Keypad/Display Menu Structure Enter Password Main Menu Quick Menu...
  • Page 79 Appendix – Keypad/Display Menu Structure Commission Unit Manual Control Service Menus Trending Unit Maintenance BMS Communications ► ► ► Unit Set-Up Manual Control= Normal Timer Settings Trending Ena= No Operating Hours LON Set-Up ► ► ► Timer Settings Supply Fan= Off Operating Hours Apply Chgs= No BACnet MSTP Set-Up...
  • Page 80 Appendix – Keypad/Display Menu Structure Figure 55: View/Set Unit – Keypad/Display Menu Structure View/Set Unit ► Unit Status/Settings ► Occupancy ► Temperatures ► Flow Status ► SAF Spd Control ► RF/EF Control ► Cooling ► Economizer ► Min OA Damper ►...
  • Page 81 Appendix – Keypad/Display Menu Structure Cooling Economizer Min OA Damper Heating Dehumidification Date/Time/Schedules Occ Clg Spt= 72.0°F OAD/Econo Pos= XXX% Min OA Pos= XXX% Occ Htg Spt= 68.0°F Dehum Status= ________ Time= hh:mm:ss Unocc Clg Spt= 85.0°F DAT Clg Spt= 55.0°F Vent Limit= 20% Unocc Htg Spt= 55.0°F Rel Humidity= XXX%...
  • Page 82 Appendix – Keypad/Display Menu Structure Figure 56: Commission Unit – Keypad/Display Menu Structure Commission Unit ► Unit Set-Up ► Timer Settings ► SAF Set-Up ► RF/EF Set-Up ► Htg/Clg ChgOvr Set-Up ► Cooling Set-Up ► INV Cmp Set-Up ► Econo Set-Up ►...
  • Page 83 Appendix – Keypad/Display Menu Structure 1, 2 See Figure 57, page 85 for the expansion information INV Cmp Set-Up RF/EF Set-Up Htg/Clg ChgOvr Set-Up Cooling Set-Up COMPRESSOR STATUS COMPRESSOR SETUP RF/EF Ctrl= None Ctlr Temp Src= RAT Clg Stage Time= 5min Clg State= ____________ Clg Lo OAT Lk= 55°F Rem ExhF Cap= 5%...
  • Page 84 Appendix – Keypad/Display Menu Structure Figure 57: Service Menu – Keypad/Display Menu Structure Service Menus ► Timer Settings ► Operating Hours ► Save/Restore Settings ► Active Alarms ► Alarm Log ► Alarm Configuration ► Analog Input Status ► Universal I/O Status ►...
  • Page 85 Appendix – Keypad/Display Menu Structure Alarm Log Alarm Configuration Analog Input Status Universal I/O Status Digital Input Status Digital Output Status ► Log Count: xx Clr Log= No ALARM LIMITS MCB Al1= XXXXXXXX MCB X1= XXXXXXXX MCB DI1= ____________ MCB DO1= __________ ►...
  • Page 86 Appendix – Keypad/Display Menu Structure Figure 58: BMS Communications – Keypad/Display Menu Structure BMS Communications ► LON Set-Up ► BACnet MSTP Set-Up ► BACnet IP Set-Up ► D-Net Set-Up ► Network Unit Set-Up IM 918 IM 917 IM 916 LON Set-Up BACnet MSTP Set-Up BACnet IP Set-Up D-Net Set-Up...
  • Page 87 Appendix – Keypad/Display Menu Structure Figure 60: Optional Outdoor Air Monitor – Changing the System of Units Press and release ↑/↓ during normal operation to select Enter ↑/↓ (Select) Enter (Move →) Enter (Move →) (Action, Move →→) During Esc (Move ←) Esc (Move ←) Normal Operation (Move ←←)
  • Page 88 Appendix – Keypad/Display Menu Structure Figure 61: Optional Outdoor Air Monitor – Set Up Menu Press and release ↑/↓ during normal operation to select Enter (Move →) Enter (Move →) Enter (Move →) Enter (Action, Move →→) Esc (Normal Operation) Esc (Move ←) Esc (Move ←) Esc (Move ←←)
  • Page 89 Appendix – Keypad/Display Menu Structure 1 . Factory default/current setting 2 . If a selection is made that requires SW1 to be set, the LCD displays “Set SW1 on Board” . 3 . If a selection is made that requires SW2 to be set, the LCD displays “Set SW2 on Board”...
  • Page 90 Daikin Applied Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on training, or call 540-248-9646 and ask for the Training Department.

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