Reznor YDSA Unit Installation Manual Manual de usuario

Form I-Y, P/N 273646R6, Page 1Installation / OperationApplies to: Models YDHA, YDMA, and YDSA Packaged Rooftop Equipment!WARNING:FIRE OR EXPLOSION HA

Form I-Y, P/N 273646R6, Page 105.0 Mounting5.1 Unit WeightsFor unit weights and or corner weights, refer to www.ReznorHVAC.com or call 1-800-695-1901.

Form I-Y, P/N 273646R6, Page 115.3.1 Down ow Roof Curbs Both Option CJ31 and CJ34 are 16" (406mm) high roof curbs designed for vertical (down) d

Form I-Y, P/N 273646R6, Page 12ItemDescriptionOption CJ31 Option CJ34Cabinet 1 Cabinet 2 Cabinet 3 Cabinet 1 Cabinet 2 Cabinet 3Package P/N 272399 272

Form I-Y, P/N 273646R6, Page 13Installation Instructions for Down Discharge Roof Curbs, Option CJ31 and Option CJ34 1. Refer to FIGURE 6 shown on page

Form I-Y, P/N 273646R6, Page 145.3.2 Curbs for Horizontal AirowOptions CJ48 and CJ55 are 36" (914mm) high roof curbs designed for horizontal dis

Form I-Y, P/N 273646R6, Page 15Hardware in Options CJ48 & CJ55Qty P/N Description Use12 16243 Lag ScrewFor top level screws (1 each corner; 4 each

Form I-Y, P/N 273646R6, Page 16Installation Instructions for Cabinet Sizes 1 & 2 Horizontal Airow Roof Curbs, Option CJ48 and Option CJ551. Refer

Form I-Y, P/N 273646R6, Page 17Lag Screw P/N 16243Lock Washer P/N 1333(Qty 12 each)Wood nailer side - screw head towards panelSheetmetal Screw P/N 118

Form I-Y, P/N 273646R6, Page 185.3 Mounting on a Roof Curb (cont'd) 5.0 Mounting (cont'd)5.3.2 Curbs for Horizontal Airow (cont’d)Installat

Form I-Y, P/N 273646R6, Page 195.4 Rigging and LiftingDANGERIf there is any visible damage or any question about the integrity of a lifting point, DO

Form I-Y, P/N 273646R6, Page 21.1 Cautions and WarningsThere are warning labels on the unit, on the front page, and throughout this manual. For your s

Form I-Y, P/N 273646R6, Page 20DANGERTo prevent death, injury, or equipment damage caused by inadequate or improper rigging, test lift the unit be

Form I-Y, P/N 273646R6, Page 216.1.2 30% Inlet Air Hood in Inlet Air Conguration Option AR71a) Remove screwin cabinet top. Hood Top(edge must go und

Form I-Y, P/N 273646R6, Page 226.2 Duct Connections and Duct work Requirements and Suggestions for Installing DuctsDuct connections are in the roof cu

Form I-Y, P/N 273646R6, Page 23All electrical wiring and connections including electrical grounding MUST be made in accordance with the National Elect

Form I-Y, P/N 273646R6, Page 24FIGURE 17A - Disconnect Switch Wiring ConnectionsField-supplied or Option CP Disconnect SwitchField-supplied or Option

Form I-Y, P/N 273646R6, Page 257.2.3 3-phase Wiring Check3-Phase Wiring Connection - There is a chance of unknowingly connecting 3-phase power in s

Form I-Y, P/N 273646R6, Page 267.4 Electrical Compartment - Control LocationsOptionalLow AmbientController- ECM Condenser FanOptionalLow AmbientContro

Form I-Y, P/N 273646R6, Page 277.5 Control Wiring7.5.1 Digital Controller and DisplaysCarel Programmable Digital Controller (in the control compartmen

Form I-Y, P/N 273646R6, Page 287.5.2 Sensor Wiring 24V Field Control Wiring Length and Size RequirementsTotal Wire Length Minimum Recommended Wire Siz

Form I-Y, P/N 273646R6, Page 29ID1ID2IDC1ID3ID4ID5ID6ID715ID8CONTACTSCALL FOR DEHUMIDIFICATIONJ515PRPRFACTORY INSTALLED OCCUPIED JUMPER -- REMOVE JUMP

Form I-Y, P/N 273646R6, Page 3WARNING Gas-red appliances are not designed for use in hazardous atmospheres containing ammable vapors or

Form I-Y, P/N 273646R6, Page 30Option BE17 • Field Installed in the supply air duct• Smoke Detector, P/N 159553, Sampling Tube, P/N 259069Wiring Con

Form I-Y, P/N 273646R6, Page 317.6 Supply Fan with Variable Frequency Drive Variable Frequency DriveThe supply fan is a plenum fan with backward curve

Form I-Y, P/N 273646R6, Page 32Optional Hot Gas Bypass ValveCheck Hot Gas Bypass Valve Setting - On the circuit with a hot gas bypass valve, connect a

Form I-Y, P/N 273646R6, Page 338.2 Supply Fan ControlThe main controller is programmed to control the fan to operate the unit in two modes: Occupied a

Form I-Y, P/N 273646R6, Page 34Pickup Tube for Duct work, Option VFC3, P/N 2348212. Pickup Tube Locations Duct Static (Option VFC3) Pickup Tubes - M

Form I-Y, P/N 273646R6, Page 35Optional Equipment (alphabetically listed) ...Where to Look Electric Heat Section (Optio

Form I-Y, P/N 273646R6, Page 36Outside Air Only Dampers, Option AR8, AR2D, AR2L, or AR2Y - The damper motor is electrically interlocked with the blowe

Form I-Y, P/N 273646R6, Page 379.1.3 Energy Recovery Wheel, Option EW__The energy recovery wheel rotates through both the inlet and exhaust airstreams

Form I-Y, P/N 273646R6, Page 38Sizing Gas Supply LinesCapacity of PipingCubic Feet per Hour based on 0.3" iwc Pressure DropSpecic Gravity for Na

Form I-Y, P/N 273646R6, Page 39FIGURE 23 - Manifolds with Staged Control Option AG71 (2-stage control, single heat section) and Option AG72 (4-stage c

Form I-Y, P/N 273646R6, Page 4This system was test operated and inspected at the factory and was in operating condition. If the equipment has incurred

Form I-Y, P/N 273646R6, Page 40Instructions for Measuring Manifold Pressure - Option AG71 (2-stage with one heat section)Gas Pressure Tap LocationLoca

Form I-Y, P/N 273646R6, Page 41Manifold Pressure Tap LocationsLocate the 1/8” pressure taps on both manifolds. (See FIGURE 23, page 39). Both high-

Form I-Y, P/N 273646R6, Page 42Step 4 - Low Fire Manifold Pressure Adjustment Heat Section 1Remove the cap from the low re adjustment screw on the tw

Form I-Y, P/N 273646R6, Page 43NOTE: The manifolds illustrated are for standard efciency, non-condensing heat sections. Follow the same steps for mea

Form I-Y, P/N 273646R6, Page 44Gas Pressure Tap LocationLocate the 1/8” pressure tap on the manifold (See FIGURE 24A, page 43). With the manual valve

Form I-Y, P/N 273646R6, Page 45Step 4 Modulating Valve Adjustment Instructions (See FIGURE 24B, page 43) - HIGH FIRE SETTING (BUTTON #1)1. To enter th

Form I-Y, P/N 273646R6, Page 46Gas Pressure Tap LocationLocate the 1/8” pressure taps on both manifolds. (See FIGURE 24B, page 43). Both high-re and

Form I-Y, P/N 273646R6, Page 47Step 4 Modulating Valve Adjustment Instructions (See FIGURE 24B, page 43) - HIGH FIRE SETTING (BUTTON #1)1. To enter th

Form I-Y, P/N 273646R6, Page 48If no adjustment is required, proceed to Step 8.If an adjustment is required, proceed to Step 7.Step 7 - High Fire Mani

Form I-Y, P/N 273646R6, Page 49Manifold Pressure Settings (iwc) by Gas Control Option and Type of GasHeat SizeInput (Btuh)Full Rate (high re)Outlet

Form I-Y, P/N 273646R6, Page 5Controls Options:Option PN DescriptionCabinet Size / Option Availability1 (a) 2 3CL23 257338 24v 2-stage heating/cool

Form I-Y, P/N 273646R6, Page 50BTUH Inputs and Capacities by Altitude in the United StatesAltitudeNormal InputThermal Output Capacity2-Stage Minimum I

Form I-Y, P/N 273646R6, Page 51Gas Pressure Safety Switches, Option BP4See Manifold illustrations, FIGURE 23, page 39, or FIGURE 24A, page 43.The opti

Form I-Y, P/N 273646R6, Page 529.2.3 Heat Section ControlsThe ignition sequence depends on whether the heat section has staged control (YDSA only) or

Form I-Y, P/N 273646R6, Page 53DSI Control Module LED Flash CodesFlash Code DescriptionFast Flash Normal operationSteady OFF No power, blown fuse, or

Form I-Y, P/N 273646R6, Page 549.2 Gas Heat Section (cont’d)DANGERSafe operation requires proper venting ow. Never bypass the combustion air

Form I-Y, P/N 273646R6, Page 55* Heat sections with dual furnaces. When only one size is listed, both furnaces are the same size and two identical hig

Form I-Y, P/N 273646R6, Page 56High Efciency Heat Section Condensate DrainA unit with a high efciency, condensing gas heat section requires a conden

Form I-Y, P/N 273646R6, Page 57Freeze Resistant Trap, P/N 271064, is shipped with the unit to be installed in the condensate drain. It is mandatory th

Form I-Y, P/N 273646R6, Page 58FIGURE 29B - Condensate Drain Trap for High-Efciency Heat Section DrainTrap Installation: Install the trap as shown in

Form I-Y, P/N 273646R6, Page 5910.2 Checklist Prior to StartupAssumptions: All connections are made; actual startup is imminent. Site is clean; all ex

Form I-Y, P/N 273646R6, Page 63.3 StorageIf this system is going to be stored, take precautions to prevent condensate formation inside the electrical

Form I-Y, P/N 273646R6, Page 60 Check that combustion air inlet and ue discharge openings are free of obstructions. If installed in California, ver

Form I-Y, P/N 273646R6, Page 615. Use the up or down arrow keys to navigate to the a.Test Mode menu and press the enter key to select. 6. From the tes

Form I-Y, P/N 273646R6, Page 6210. Instructions for Setting Fans to Test and Balance Airow Adjusting the unit fan speeds to achieve the desired air-

Form I-Y, P/N 273646R6, Page 6314. Electric Heat Only - From Test Mode Screen E.a.5, press the enter key until the cursor is ashing on the Heat Capac

Form I-Y, P/N 273646R6, Page 6417. Saving Maximum Fan Speed Values Adjusted in Step 10 Press the escape key to return to the service menu and navigat

Form I-Y, P/N 273646R6, Page 6510.4.2 Setting the Unit for Operation via the Digital Input Closure or Time Schedule - Option D21 From the Main Menu,

Form I-Y, P/N 273646R6, Page 66Power Supply Voltage PhasingIMPORTANT: All refrigeration checks must be made by a qualied R-410A refrigeration technic

Form I-Y, P/N 273646R6, Page 67DANGERThe gas burner in the optional gas-red heat section is designed to provide safe, complete combustion. However,

Form I-Y, P/N 273646R6, Page 68AppendixCabinet Size 1, 2 or 3 by Model and Model Size Cross-Referenced to Heat Section Size and TypeModel YDHA YDMA YD

Form I-Y, P/N 273646R6, Page 69BE18 Dirty Filter Pressure Switch for Main Filters only FactoryBE22 Relay for Remote Exhaust Fan Start/Stop FactoryOpti

Form I-Y, P/N 273646R6, Page 7Models and Cooling SizesCabinet SizeSystem without Energy Recovery Wheel System with Optional Energy Recovery WheelA1 B

Form I-Y, P/N 273646R6, Page 70Static Pressure (iwc)Supply Fan Airow (cfm) - by Model and SizeStatic Pressure (iwc)YDSA YDHA YDMA120 150 180 210 60 9

Form I-Y, P/N 273646R6, Page 71PE4 Airow (cfm) / Pressure Drop (iwc) Tables by Fan and Unit SizeStatic Pressure (iwc)Power Exhaust PE4 Airow (cfm) -

Form I-Y, P/N 273646R6, Page 72PE5 Airow (cfm) / Pressure Drop (iwc) Tables by Fan and Unit SizeStatic Pressure (iwc)Power Exhaust PE5 Airow (cfm) b

Form I-Y, P/N 273646R6, Page 73PE6 Airow (cfm) / Pressure Drop (iwc) Tables by Fan and Unit SizeAppendix (cont’d)Static Pressure (iwc)Power Exhaust P

Form I-Y, P/N 273646R6, Page 74Start-Up Information FormApplies to: Models YDHA, YDMA, and YDSASTARTUP FORMJob NameContractor Verify shipping bracket

Form I-Y, P/N 273646R6, Page 75(Catalogs and instruction manuals are available at www.ReznorHVAC.com.)Airow Pressure Drops ...

Form I-Y, P/N 273646R6, Page 76Installer: Name ________________________________________________________ Company _________________________________

Form I-Y, P/N 273646R6, Page 8OptionalOutsideAir HoodAirflowHood66-1/2(1689)B - Inside the Curb CapA - Base Length51-11/16 (1313) - Inside the Curb Ca

Form I-Y, P/N 273646R6, Page 9Bottom View showing Duct OpeningsXY55-5/64(1399)62-1/64(1575)**Optional Disconnect Switch**Power Supply12-5/64(307)Gas I