Daikin Vision Installation And Maintenance Manual
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Daikin Vision Installation And Maintenance Manual

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Installation and Maintenance Manual
Vision
Air Handler – Extended Sizes
®
Sizes 107—169
IM 915-13
Group: Applied Air Systems
Part Number: IM 915-13
Date: June 2023

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  • Page 1 Installation and Maintenance Manual IM 915-13 Group: Applied Air Systems Part Number: IM 915-13 Date: June 2023 Vision Air Handler – Extended Sizes ® Sizes 107—169...

  • Page 2: Table Of Contents

    Daikin Applied EC Fan Array . . . . . . . . . . . . . . . . . .

  • Page 3: General Information

    • Field-installed components will ship on separate skid(s). • Hardware (screws, bolts, etc.) for assembling sections Vision air handlers are not designed to be weather resistant. are supplied in a bag attached to each section. All Do not install them outdoors.

  • Page 4: Unit Storage

    • Inspect all doors and openings once a month to ensure they are closed and properly sealed. • Loosen belt tension on belt-driven fans, if storing for more than two (2) months. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 5: Installation Guidelines

    12” deep. See Figure 2. Fan sections with multiple fans have motor control boxes up to 16” deep when supplied with VFDs. Figure 2: Service Clearance for Electrical Power Devices # "  www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 6: Rigging

    Adjust cable lengths to avoid uneven lifting of could result in personal injury or death. unit. Extended size Vision air handlers ship as separate sections, Figure 3: Units on Base Rails completely assembled, or in modules of assembled sections.

  • Page 7: Unit Leveling

    (of each half) as possible. Secure the mounting straps (longer strap found in the splice kit) as shown in Figure www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 8 (Figure 9). If it has dislodged during shipping, restore to original location. Figure 9: D-Gasket Placement Detail (High Pressure, Low Leakage Units only) IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 9 NOTE: Opening fan section doors requires using a 17 mm socket wrench (Figure 12), which satisfies ANSI standards and other codes that require the “use of tools” to access compartments containing moving parts or electrical wiring. www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 10 3. To prevent air leakage, tighten the door panels by adjusting the jam nuts. Vision air handlers are furnished with double-wall, injected foam insulated panels. Foam panels are stronger, more rigid, Figure 12: Opening Fan Section Door and lighter than panels with fiberglass insulation.
  • Page 11 J o i n i n g C o l l a r J o i n i n g C o l l a r J o i n i n g C o l l a r www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 12: Hepa Holding Frame, Filter, And Prefilter Installation

    — P/N 910123166 & 910123168 • Prefilter Latches (when prefilters are ordered) — P/N 111048304 & 111048305 Figure 15: Leg Extensions and Latches without Prefilters Figure 18: Pull Back to Lock the Leg Extension into Place IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 13 Figure 22: Latch Overlapping Leg Extension Figure 20: Insert HEPA Filter into Frame, until the Gasket Comes in Contact with the Holding Frame Figure 23: Tighten Cap Screw to 1/4” of the Coupling www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 14 STEP 7: Once all four corner latches have been tightened within 1/4” of the leg extension coupling, tighten each corner until the latch and leg extension coupling meet. This is shown Figure Figure 27: Latch Positioning for Prefilter Frame IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 15 Once all four corners have been tightened the HEPA filter should now be properly seated and sealed. Repeat the process with all remaining filters working from the bottom to the top. Figure 30: Properly Installed HEPA Filter www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 16: Piping And Coils

    Isolation dampers can be provided with actuators that are mounted in the airstream. Actuator sizing for the isolation dampers should be based on 9 in-lb per square foot of damper. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 17 35°F). male NPT iron pipe and are labeled on the end panel of coil section. Connections extend through the coil section — Daikin Applied strongly recommends 5JA, 8JA, 5RA end panel. and 8RA coils. • When installing couplings, do not apply undue stress —...
  • Page 18 NOTE: Do not support piping off of the unit, or coil connections. NOTE: It is extremely important to seal each hole or penetration securely so that they are airtight and watertight. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 19 Note that each coil must have a separate control valve and trap. 5RA, 8RA, or 5SA coils. Banked two high, individual trapping of each coil as shown is preferred. 5RA, 8RA, or 5SA coils. Installed www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 20 • If fresh air and return air are to be heated by a hot water coil, carefully design the system to provide thorough mixing before air enters the coil. • To prepare coils for winter operation, see See Removing and Replacing Components on page IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 21: Internal Fan Isolation Assembly Adjustment

    D e t a i l A Figure 36: Class II Belt-Drive Fan Shipping Bracket Shipping hold-down nut and bolt Remove and discard - 4 places Shipping bracket - Remove and discard - 4 places www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 22 Turn the adjustment nut below the fan frame to lower or raise the fan motor and frame assembly. Retighten the cap screw on top of the isolator assembly. See Figure Figure 37: Adjusting Spring Mount Assembly (Class 1 & 2) IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 23: Electrical Installation

    VFD, be sure to set up the VFD and size the wiring furnished and mounted by either Daikin Applied, or by others, according to the power requirements of all motors that refer to the specific manufacturer’s literature for allowable...

  • Page 24: Operation Guidelines

    Do not start any fan that has the block off plate installed on it. 12. If multiple fans are supplied with isolation dampers, make sure the isolation dampers are fully open before starting the fans. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 25 36 (Class 1 & 2) 0.75 (19.05) Note: 1. To obtain rated air performance, dimensional relationship must beheld. — Adjust dimension C by loosening wheel hub setscrews, shifting wheel(s) axially as needed, and retightening setscrews. www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 26 Belt-Drive Plenum Fan 0.45 1.11 3.88 0.51 1.11 3.88 Wheel-Funnel Parameters 0.55 1.36 Size 0.62 1.36 0.82 2.00 4.88 0.55 0.91 2.25 5.50 0.63 1.00 2.50 5.50 1.10 2.50 5.50 1.23 3.00 5.50 IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 27 0.44 0.50 Minimum torque Set Screw Diameter (in) 0.55 ft/lbs (kg/m) 0.62 1/16 5.5 (0.76) 0.75 10.5 (1.45) 0.81 19.0 (2.63) 0.88 7/16 29.0 (4.01) 0.94 42.0 (5.81) 92.0 (12.72) 1.06 1.12 www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 28: Daikin Applied Fan Array

    Daikin Applied supplied VFD. Care should be taken when programing and synchronizing the drives in the Daikin Applied Fan Array such that all fans turn at the same speed. Fans running at unequal speeds can produce vibration and could stall a fan. Definition of fan numbering is...
  • Page 29 2713.93 2902.60 1.074 22.25 3285.02 3513.39 1.300 24.50 3997.61 4275.53 1.582 27.00 4945.21 5289.01 1.957 30.00 5968.62 6383.56 2.362 33.00 7290.21 7797.03 2.885 36.50 8869.55 9486.16 3.510 40.25 10827.92 11580.68 4.285 44.50 www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 30 2710.75 2693.35 1.074 22.25 3312.67 3319.41 1.300 24.50 3901.60 3929.94 1.582 27.00 5017.64 5033.71 1.957 30.00 5942.72 5979.46 2.362 33.00 7274.52 7316.07 2.885 36.50 9179.91 9089.14 3.513 40.25 10891.71 10880.24 4.285 44.50 IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 31 NOTE: Fasten the plate to the fan support angle Never drill or screw through using two screws (FS116). the inlet funnel. www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 32: Daikin Applied Ec Fan Array

    22-gauge Cat5 wiring, a standard 6-circuit female entire array is controlled via a 0-10V signal. Control signal Molex plug (39-01-2061), and six Molex crimp is wired to points 3 and 4 on the Daikin Applied low voltage terminals (39-00-0040) are required (Figure 51).
  • Page 33 (in red); Low Voltage Wiring (in blue) Fan Installed with (4) ½" Hex AVK Bolts Figure 54: Block-Off Plate Installation Figure 51: Required Molex Plug and Crimp Terminals Figure 52: Molex Plug Crimp Terminal Locations www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 34 Figure 60: EBM Gen 3 Motor - Control Wiring with Manual/ Auto (Basic) Controls Auto (Basic) Controls NOTE: For EC Fan DDC controller information and wiring, reference ED 19123. NOTE: For EC Fan DDC controller information and wiring, reference ED 19123. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 35 Figure 62: Delta Motor - Control Wiring with No Controls Figure 63: Delta Motor - Control Wiring with Manual/Auto (Basic) Controls NOTE: For EC Fan DDC controller information and wiring, reference ED 19123. www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 36 Daikin Applied EC Fan Array Figure 64: Line Voltage Wiring - All Fans IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 37 For standard air (ρ = 0.075 lb/ft3): ACFM = F × √ (ΔP) where: F = factor from Table 18 ΔP = The differential in static pressure from the piezometer ring and the front pressure tap (inches w.g.) www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 38: Fan Operating Limits

    Max RPM Class II 3650 2674 2403 2183 1981 1783 1620 1465 1329 1202 — — — Max RPM Class III 3735 3409 3065 2780 2423 2182 1984 1759 1598 1447 1314 1178 1071 IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 39: Fan Vibration Levels

    Also similar faults in driven sheave. b. Bad V-belts; lumpy, or mismatched; belt tension too tight or too loose. 4. Bad bearings, loose bearing hold-down bolts 5. Motor imbalance 6. Fan section not supported evenly on foundation www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 40: Sorbent Ventilation Technology

    SVT module is being applied, section splits may be present. If so, factory supplied wires will need to be routed into the provided junction box on each SVT module. Conduit routing will be provided for these connections. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 41: Service And Maintenance

    Table 24. For any applications that Inspect for signs of water damage such as corrosion are not in the ranges of the table, contact Daikin Applied. and repair if necessary. Check ground conductor and connection integrity and correct if needed.
  • Page 42 V-belt outer surface where it passes around the sheave (pitch diameter). Calculate fan speed from the motor nameplate rpm. Measured diameter at motor sheave Fan rpm = motor rpm × Measured diameter at fan sheave IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...

  • Page 43: Front Load Filter Option

    F i l t e r F r a m e P r e f i l t e r R o t a t e W i r e C l i p s www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 44 Initial Final Initial Final Initial Final Initial Final Initial Final Initial Final Initial Final Initial Final 0.46 1.00 0.52 1.00 0.19 1.00 0.22 1.00 0.27 1.00 0.30 1.00 0.39 1.00 0.45 1.00 IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 45 Otherwise, the entire fan cabinet Daikin Applied is not responsible for the freezing of must be removed from the other sections and then the fan coils.
  • Page 46 2. Remove all screws and remove the access panel. 3. Remove the screws holding the coil in place. 4. Lift and pull the coil out the side. IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 47 6. Caulk the seams between the coil casings and blockoffs. 7. Connect all piping and install the brass plugs for the vents and drains located in the connections. 8. Install the access panel. www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...

  • Page 48: Warranty

    Consult your local Daikin Applied representative for warranty parts, refer to the model number and serial number of the details. Refer to Form 933-430285Y. To find your local Daikin unit stamped on the serial plate attached to the unit. If Applied representative, go to www.DaikinApplied.com.

  • Page 49: Equipment Warranty Registration Form

    Air Handling Equipment Warranty Registration Form To comply with the terms of Daikin Applied Warranty, complete and return this form within 10 days to the Warranty Department of Daikin Applied. Check, test, and start procedure for air handling units with or without heat recovery and roof mounted air handlers.
  • Page 50 B. Do damper open smoothly and shut tight?........Yes 13F-4153 (07/18) IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 51 D. Check for air bypass around heat wheel........Yes 13F-4153 (07/18) www.DaikinApplied.com IM 915-13 • VISION - EXTENDED SIZES...
  • Page 52 P. Flame failure shutoff (seconds): ......... _________________ 13F-4153 (07/18) IM 915-13 • VISION - EXTENDED SIZES www.DaikinApplied.com...
  • Page 53 AAH.Wty_WAR_forms@daikinapplied.com Please fill out the Daikin Applied “Quality Assurance Survey Report” and list any additional comments that could affect the operation of this unit; e.g., shipping damage, failed components, adverse installation applications, etc. If additional comment space is needed, write the comment(s) on a separate sheet, attach it to the Survey Report and return it to the Warranty Department of Daikin Applied with the completed Equipment Warranty Registration form.

  • Page 54: Quality Assurance Survey Report

    Poor 10. How would you rate the overall quality of the product? Excellent Good Fair Poor 11. How does the quality of Daikin Applied products rank in relation to competitive products? Excellent Good Fair Poor Comments _______________________________________________________________________________________ Please list any additional comments which could aff ect the operation of this unit; i.e., shipping damage, failed components, adverse installation applications, etc. If additional comment space is needed, write the comment(s) on a separate sheet, attach the sheet to this completed Quality Assurance Survey Report, and return it to the Warranty Department with the completed preceding “Equipment Warranty Registration Form”.
  • Page 56 Now that you have made an investment in modern, efficient Daikin Applied equipment, its care should be a high priority. For training information on all Daikin Applied 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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