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IM 1083 Group: Unit Ventilator Part Number: 106506250 Date: October 2013 Daikin Self-Contained Water Source Heat Pump Unit Ventilator Model ARQ - Standard Range Model ERQ - Extended Range Model GRQ - Geothermal Range R-410A Refrigerant, MicroTech II™ (“F” Vintage) IMPORTANT! Before beginning installation, please read this publication in its entirety.
Data Plate - Specific Information .............4 Data Plate Location .................5 Make Piping Connections ...........22 Water Coil Connections ............22-23 Models ARQ, ERQ & GRQ Self-Contained Floor Unit System Balancing ................23 Ventilator Installation ............5 Receiving & Handling ..............5 Making Control Connections ..........24 Visible Loss or Damage ..............5...
Although there is no PVC/CPVC piping in this product, please keep this in mind when selecting piping materials for your application, as system failure and property damage could result.” Page 6 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Figure 6: Typical VentiMatic Shutter Assembly Installation (see installation section for typical warnings and cautions) VentiMatic Shutter Assembly Building Wall Louver Outside Unit Ventilator Outdoor Air Opening Outside Roomside Roomside Typical VentiMatic louver installation with shelving. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 7 of 42...
Meeting IBC Seismic Requirements In addition to all seismic requirements for IBC Certification listed elsewhere in the project specification, submittals for these units Daikin unit ventilators can be specified, as follows, to meet International include: Building Code seismic requirements: 1. A Certificate of Compliance from the Independent Certifying •...
Shutter Vertical Louver with Flange, without Grille Self-Contained Floor Models ARQ, ERQ, 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.
Important: Gasket sealing surface is required. surface is required. CAUTION Accumulated moisture can cause property damage if not properly drained. Installing contractor must provide such drainage. Page 10 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Floor Line 1" Not More Important: Gasket sealing (25mm) Than 12" surface is required. Sealed Cement Mortar;Pitch Away Important: Gasket sealing From Unit surface is required. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 11 of 42...
Figure 20: Typical Louver Installation with Sloping Sealed Cement Mortar Base Wall Unit Louver Sealed Cement Mortar; Pitch Away From Unit Unit Gasket Caulk 1" (25mm) Floor Page 12 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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This helps prevent moisture from getting under the flashing and into the room. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 13 of 42...
(267) located behind shelf cabinets. Hardware to mount the interior 72" 75" ⁄ " ⁄ " 1500 (1829) (1905) (1832) (495) wall grille is not included. Page 14 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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Cabinet Outside Slotted Kickplate Outside Roomside Roomside Typical VentiMatic louver installation with shelving. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 15 of 42...
Kickplate Tip forward until kickplate rests on floor Caster mounting cut-out Counter-clockwise to lower Clockwise to raise Left Caster Right Caster Page 16 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
2. Spray water into the drain pan on the high end to wash debris to the low end (drain end). Models ARQ, ERQ and GRQ condensate drain connection is on the 3. Remove any debris, making sure that the drain holes are not left end (with static equalizer cover).
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Secure the wall fasteners to prevent the unit ventilator from moving and tipping over Figure 35: Unit Mounting Holes Locations Unit Mounting Holes ″ ″ ″ ″ Page 18 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Extended range units may combine any two maximum or minimum conditions, but not more than two, with all other conditions being normal conditions. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 19 of 42...
1⁄4" per foot. The unit drain pan has a 7/8 inch O.D. drain connection to accommodate the condensate drain hose. Page 20 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
NOTICE Runouts Initially Connected Together It is Daikin’s policy not to make recommendations on water treatment. It is the responsibility of the user to check that Bypass valves at the heat rejector and supplementary water heater the water supply to the units is free of contaminants or cor- should be adjusted for normal operation.
This permits easy removal of the coil or control valve if servicing is required. Page 22 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
GPM and the measured flow rate was 15 GPM, then its proportionate flow rate would be 1.5. Figure 41: Typical System Balancing Circuit Typical water system consisting of reverse return mains feeding branch circuits IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 23 of 42...
The LUI features a 2-digit display, 7 keys (1 key is hidden), and 9 individual LED indicators. See “Local User Interface” for further details. Figure 42: MicroTech II Sensor and Component Locations (Top View) for AR, ER & GR Page 24 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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Refer to the “UVC Input and Output Tables” in IM 739 for available options. Figure 45: Top View - Local User Interface Compartment IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 25 of 42...
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(default of 120 minutes). This time can be set in 1-minute increments from 1 minute to 240 minutes through the Unit Ventilator Service Tool or a network. Page 26 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Electrical Data Table 11: Model ARQ, ERQ, GRQ Electrical Data – Size 024 Voltage Range Compressor Heating Options Power Supply Room Voltage Heater Heater Maximum Min. Max. Auxiliary Heat Type Amps Fuse Refrigerant Heating – – 1 7.0 208/60/1 11.4 52.0...
Electrical Data Table 13: Model ARQ, ERQ, GRQ Electrical Data – Size 048 Voltage Range Compressor Heating Options Power Supply Room Voltage Heater Heater Maximum Min. Max. Auxiliary Heat Type Amps Fuse Refrigerant Heating – – 32.2 208/60/1 23.6 96.0 Low (3-elem.)
Unit Main Power On/Off Switch Grommeted Power Wire Entry Main Power On/Off Switch Ground Lug Note: B not used on single phase. Page 30 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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Option 1 Device Option 3 Device (by others) (by others) (by others) Ventilation Lockou t Unoccupied (default) Remote (default) or or Dewpoint Humidity Shutdown Exhaust Interlock IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 31 of 42...
UVC. 18 AWG 310 ft. (94 m) 20 AWG 200 ft. (61 m) 22 AWG 125 ft. (38 m) Page 32 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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(80 x 80 mm [3.15 x 3.15 in.]) mounting Unit Mounted Temperature Sensor base (1) with attached terminal block (1) • cover slider insert with printed logo for Daikin (1) • No. 6-32 x 1 in. flat-head screw (2) •...
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5. Drill a 35 mm (1-3/8 in.) hole in the surface where the sensor will 5. Pull the cable or wiring through the hole. be mounted. Page 34 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
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Figure 65: 111048101 Sensor Wiring Terminal Block on 111048101 Sensor Repairs and Replacement No repair options available. Call your local Daikin representative for sensor replacement. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 35 of 42...
Term Conn. Factory Wired Capped Wire Ground Figure 69: Typical ElectroMechanical Wiring Diagram - Model AR, Thermostat Control with Normally Open Heat, 460 Volt - 3Phase Page 36 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Installing (Optional) End Panel End Panel Dimensions Figure 70: 1" (25mm) and 6" (152mm) End Panel Dimensions – ARQ, ERQ & GRQ Self-Contained Floor Unit Ventilators All Dimensions 16⅝" (422mm) Deep 21⅞" (556mm) Deep in Inches End Panels End Panels "...
1/4"- 20 Tinnerman Nut, Clip Oxford Brown Kickplate, Factory Assembled 1/4"- 20 × 1/2" over Lower Hole in Unit Base to Base of End Panel Screw Steel Kickplate Page 38 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083...
Unit size 048 has a fan shaft bearing located between the first structural frame and renewable Amerglas media. and second fan from the unit left end that is required to be oiled. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 39 of 42...
Protect your investment - read carefully that proper start-up was completed. Your Daikin express written limited warranty does not cover equipment The form is enclosed in the manila envelope located behind the left failures that are caused by misuse, abuse, mis-installation, failure to front access door.
13256-1 and tested at these conditions. WARNING Recycle/recovery equipment must be designated for R-410A. R-410A pressure is greater than R-22. Improper equipment can cause severe injury or death. IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 41 of 42...
Low Temp Daikin 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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