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Related Manuals for Daikin ARQ
Summary of Contents for Daikin ARQ
- Page 1 Installation and Maintenance Manual IM 1083-3 Group: Unit Ventilator Document PN: 910247364 Date: October 2018 Daikin Classroom Unit Ventilators Model ARQ - Standard Range Model GRQ - Geothermal Range MicroTech (“J” Vintage) ®...
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Page 3: Table Of Contents
Pre-Installation Considerations ....7 ARQ & GRQ – Size 024 ..... . 28 Uncrate and Inspect the Unit Ventilator(s) . -
Page 4: General Data
Nomenclature U ARQ 9 024 H B1 AL 22 10 11 12 13 14 15 Category Code Item Code Option Code Designation & Description Product Category Unit Ventilators Model Type WSHP Standard Range, Ultra Quiet WSHP Ground Source, Ultra Quiet... -
Page 5: Receiving & Handling
eneral Lifting Unit Figure 1: Data plate location A forklift or other lifting device is needed to install this product. WARNING Make sure lifting equipment can handle the weight of the unit safely. Personal injury may result if improper lifting and moving methods are used. - Page 6 eneral Table 1: Approximate shipping weights, physical data 86"w × 30"h × 16⅝"d or 98"w × 30"h × 16⅝"d or 110"w × 30"h × 16⅝"d or Overall Unit Dimensions (21⅞"d w/Adapter Back) (21⅞"d w/Adapter Back) (21⅞"d w/Adapter Back) High Speed 1000 (472) 1250 (590) 1500 (708)
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Page 7: Pre-Installation Considerations
(Figure 4). Install this product in accordance with good engineering practices and workmanship, following these general instructions, plus the job-specific Daikin submittal drawings provided for specific dimensions, unit arrangements, controls and electrical details, pipe stub-up locations, etc. Applicable tools for lifting, hook-up of piping, electrical and insulation are required. -
Page 8: Installation
Pre-Installation Considerations – Typical Floor Unit Installation Figure 5: Typical unit ventilator installation and louver details (see installation section for warnings and cautions) Screws or Bolts (by others) Internal Column For Wall Bracing (By Others) Refrigerant Pipe Tunnel Unit Gasket 1"... -
Page 9: Wall Openings, Louvers, And Ventimatic Shutter
VentiMatic Shutter Vertical Louver with Flange, without Grille Self-Contained Floor Models ARQ and GRQ are typically installed in front of a wall opening containing a properly sized louver that is designed to let in outside air while preventing water (such as rain) from getting past the louver and into the unit itself. - Page 10 Louver Installation With Typical Unit Figure 12: Above floor level outdoor air intake with accessory closed refrigerant pipe chase Arrangements – 16⅝" Unit Depth Lintel (By Others) Figure 10: The 16⅝˝ (422mm) deep unit with open Insulated Closure refrigerant pipe chase and floor level outdoor intake louver Plate Accessory location Unit Refrigerant Piping...
- Page 11 Louver Installation With Typical Unit Figure 16: 21⅞" (556mm) partial adapter back unit with window below unit top (2" step-down) and floor level Arrangements – 21⅞" Unit Depth outdoor intake louver location Figure 14: 21⅞" (556mm) deep full adapter back unit and Insulated, Texture-Painted Top floor level outdoor intake louver location 21-7/8"...
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Page 12: Installing Louvers
The mortar at the unit also Louver acts as a backing against which the open cell gasket of the unit Duct Collar (by Daikin) itself can seal. This is critical in preventing water leaks and air Unit Refrigerant Piping leaks under the unit. - Page 13 Figure 20: Typical louver installation with flashing Figure 21: Suggested method for fastening louver (without flange) inside wall opening Louver Wall Unit Louver Flashing (Bird Screen Not Shown) Unit Gasket Others) Exterior Caulk 1" (25mm) Caulk Angle Iron (by others) Floor Others) Room Side...
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Page 14: Installing The Ventimatic Shutter Assembly
Maximum Number of VentiMatic Recommended VentiMatic Shutters Shutter(s) Wall Openings Which Can Be The Daikin Applied VentiMatic Shutter Assembly is a one-way Air Capacity For Wall Mounted On Stan- shutter. It is a continuously variable, gravity-actuated, room Louvers Maximum dard Louver exhaust vent that operates in direct response to positive static 24ʺ... -
Page 15: Preparing To Move The Unit
Preparing to Move the Unit Installing Casters Move the unit ventilator to the correct location. See Table 1 on If the unit was ordered with the optional caster wheels, install page for approximate shipping weights. them as follows: Carefully remove unit ventilator from wood skid. Be sure to Remove the left and right front access panels. -
Page 16: Reversing Condensate Drain End
The open drain connection stub-out at the high end of the drain pan (left end), must be sealed water tight Models ARQ and GRQ condensate drain connection is on the with silicone sealer or similar. left end (with static equalizer cover). If the job dictates that... - Page 17 Refer to Figure 32 and attach the unit ventilator to the wall Table 4: Mounting holes dimension “C” through the four (4) mounting holes provided, using field- Unit Size supplied fasteners appropriate to the wall construction and the 60" (1524 mm) washers provided in the brown envelope with these instructions.
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Page 18: Operating Limits
Operating Limits Table 7: Water - °F (English units) Standard Range Geothermal Range Table 5: Air limits - °F (English units) Units Units Standard Range Geothermal Range Cooling Heating Cooling Heating Units Units Min . Entering Water 55°F 55°F 30°F 20°F 1, 2 Cooling... -
Page 19: Piping Considerations
Piping Considerations Condensate drain piping can be steel, copper or PVC or CPVC. All units should be connected to supply and return piping The condensate drain hose must be trapped. The hose in a two-pipe reverse return configuration. A reverse return must be pitched away from the unit not less than 1⁄4"... -
Page 20: Water System Cleaning
Flexible Hose NOTICE Runouts Initially It is Daikin’s policy not to make recommendations on water treat- Connected Together ment. It is the responsibility of the user to check that the water supply to the units is free of contaminants or corrosive agents, Bypass valves at the heat rejector and supplementary water chemicals or minerals. -
Page 21: Make Piping Connections
Make Piping Connections Water Coil Connections Hook up water piping in accordance with Figure 35. CAUTION Figure 35: Water supply and return connections (unit size 040 & 048 shown) Be sure the hot and chilled water supply and return system are thoroughly flushed and cleaned before connecting piping to the unit ventilator. -
Page 22: System Balancing
Figure 37: Typical piping through grommets in back of unit Determine the ratio of the actual/design flow for each of the coils in Branch A. This is called the proportionate flow rate. For instance, if Coil A-1 had a design flow rate of 10 GPM and the measured flow rate was 15 GPM, then its proportionate flow rate would be 1.5. -
Page 23: Making Control Connections
MicroTech Unit Mounted DDC Control ® that are capped (they must remain capped if not used). Components – Models ARQ and GRQ Provided for field wiring of: MicroTech Unit Ventilator Controller (UVC): (Located • Remote Wall-Mounted Temperature Sensor: (optional Beneath the Local User Interface Panel). - Page 24 Outdoor Air/Return Air Damper Actuator (A1): Proportional, 15 . Room Humidity Sensor (IH) (optional): Unit direct coupled actuator that spring returns the outdoor air mounted humidity sensor for units capable of active damper to the closed position upon a loss of power. dehumidification or with units using Leading Edge indoor/ 10 .
- Page 25 Economizer Control Capabilities Operating Mode States (4) • Basic: Compares the inside and outside air temperatures • Heat: Heating and economizer operation only using item 11 (Room Temperature Sensor) and item 13 • Cool: Cooling and economizer operation only (Outdoor Air Temperature Sensor) to determine if outdoor Fan Only: Fan operation only •...
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Page 26: Microtech Wiring Diagram - Typical
MicroTech Wiring Diagram – Typical Figure 43: Typical MicroTech Wiring Diagram – 460V / 60Hz / 3Ph Note: See Figure 44 on page 27 for typical MicroTech service and disconnect wiring and wiring schematic legend. IM 1083-3 www.DaikinApplied.com... - Page 27 Figure 44: Typical MicroTech Wiring Diagram – Service and Disconnect – 460V / 60Hz / 3Ph Legend - Symbols Accessory or field mounted component TR1 Speed Settings Ground Wire nut / splice High WH / GN Overlap point - common potential wires GY / BK L1/1.20 Wire link (wire link ID / page # .
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Page 28: Electrical Data
External wiring options - see IM for the different configured options, wiring to be minimum 18 gauge, 90°C. EC motors are factory programmed for specified air flow. Contact Daikin Applied for replacement. Cap extra wire. Switch wire 42A to red wire for 208V operation. -
Page 29: Arq & Grq - Size 040
ARQ & GRQ – Size 040 Voltage Range Compressor Heating Option Power Supply Room Fan Rated Volt/Hz/Phase Heater Maximum Min. Max. Heat Type Heater Fuse Amps 17.9 96.0 None – – 25.1 208/60/1 17.9 96.0 Low (3 elem.) 10.0 48.1 85.2... -
Page 30: Microtech ® Unit Electrical Connections
MicroTech Unit Electrical ® Confirm that power is de-energized and locked and tagged-out. Connections Plug in the unit control wiring male plug(s) into the appropriate female plug(s). • Plug in 4-pin (for MicroTech and Electromechanical, see DANGER Figure 48 on page 31). •... - Page 31 Figure 48: 4-pin plug MicroTech control wiring diagram (4-pin) Optional Building Automation System (BAS) Male Connector (4-pin) Unit Ventilator Female Connector BACnet ® ® ORKS FTT–10 (B) Communication Black FTT–10 (A) Module Wiring: (By others) (By others) Use twisted shielded pair (Connect Air W221P-2544 or equivalent). Daisy-chain and tie shield to earth ground at one point only.The polarity of the signal must always be maintained throughout the network.
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Page 32: Microtech Wall Mounted Sensors
MicroTech Wall Mounted Sensors NOTICE All MicroTech equipped unit ventilators are provided as standard WARNING with a unit mounted space temperature sensor. The unit mounted temperature sensor is provided with a quick disconnect plug (white) Rigorously adhere to field wiring procedures regarding proper located outside of box with numbered wires 101 and 102. -
Page 33: Field Wiring Remote Mounted Temperature Sensor
Table 11: Max sensor wire length and gauge Figure 54: Wire whips with caps for field wiring remote- mounted temperature sensor Maximum sensor wire length for less than 1°F error Gauge Length 14 AWG 800 ft. (244 m) 16 AWG 500 ft. - Page 34 The mixing of room air and air from within the wall cavity can lead to condensation, erroneous readings and sensor failure. To prevent these conditions, Daikin recommends sealing the conduit leading to the junction box with fiberglass.
- Page 35 Do not use any type of cleaner as it may damage the buttons or scratch the display. Do not paint. Terminations Daikin Applied recommends using shielded 22AWG for all connections and a separate twisted pair for the power wire connections. The shield should be earth grounded only at the power source.
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Page 36: Electromechanical Unit Wiring Connections
ElectroMechanical Unit Wiring CAUTION Connections Refer to unit wiring diagram located on inside-right front panel, for Electromechanical control connections are made to the actual wiring. Improper wiring can cause equipment and property terminals located behind the left-front access panel as shown damage. -
Page 37: Installing (Optional) End Panel
(708mm) (708mm) (708mm) (708mm) (708mm) End Panel Dimensions Figure 70: 1" end panel dimensions – ARQ & GRQ self-contained floor unit ventilators All Dim . in inches 16⅝" (422mm) Deep End Panels 21⅞" (556mm) Deep End Panels 7" 7" 7"... -
Page 38: End Panel Assembly
Figure 60: Piping stub-up details, 6" end panel Piping Stub-up Within Cabinet Piping Stub-up Within 6" End Panel End Panel 6" Application and Dimension Unit End Compartment Unit End Compartment Wall Line 11½ Wall Line 10¾ Left End Note: Space available in left end Space available at left end of unit Left End of unit of unit... -
Page 39: Prepare Unit Ventilator For Start-Up
Daikin single-use filters are standard on all self-contained units, including the ARQ and GRQ. Permanent wire mesh and renewable media filters are available in lieu of single-use filters. •... -
Page 40: Complete Check, Test And Start Procedure
Protect your investment - read carefully Provide completed Check, Test and Start form to your local Your Daikin express written limited warranty does not cover Daikin representative and specifying engineer for verification equipment failures that are caused by misuse, abuse, mis- that proper start-up was completed. -
Page 41: Check, Test & Start Procedure For Unit Ventilators
Check, test & start procedure for Unit Ventilators This form must be completely filled out and returned to, Daikin Warranty Department within ten days in order to comply with the terms of the Daikin Applied warranty. Forms should be returned to Daikin Applied Warranty Department, P.O. Box 920, Auburn, NY 13021-0920. - Page 42 V . Start-up (Readings must be taken at full load conditions) A. Outdoor Fan Motor Amps: T1 ______ Nameplate Rating: _______________ B. Compressor Amps (Cig): T1 ______ T2 ______ T3 ______ Nameplate Rating: _______________ C. Compressor Amps (Htg): T1______ T2 ______ T3 ______ Nameplate Rating: _______________ D.
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Page 43: Troubleshooting
Troubleshooting General Maintenance Normal maintenance on all units is generally limited The in and outs of R-410A to filter changes. Units are provided with permanently R-410A is a non-ozone depleting blend of two refrigerants lubricated motors and require no oiling even though oil - HFC-125 and HFC-32 in a fifty percent mixture. - Page 44 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.