York ZR240 Dokumentacja Pobierz pdf

R-410A

ZR SERIES

15 - 25 Ton

60 Hertz

275864-YIM-C-0910

TABLE OF CONTENTS

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 13

Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Economizer And Power Exhaust Set Point Adjustments . 26

Optional BAS-Ready Economizer Power Exhaust

Damper Set Point Adjustment. . . . . . . . . . . . . . . . . . . . . . 27

Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . 27

Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . 29

Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 39

No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . 40

Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 41

Reheat Mode Sequence Of Operation . . . . . . . . . . . . . . . 42

Electric Heating Sequence Of Operations . . . . . . . . . . . . 45

Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 46

Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 46

Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 47

Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Unit Control Board Option Setup . . . . . . . . . . . . . . . . . . . . . . 60

Option Byte Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Heat Delay Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Optional VAV Control Board Flash Codes . . . . . . . . . . . . 60

LIST OF TABLES

1 ZR180-300 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . 7

2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 ZR180-300 Unit Accessory Weights . . . . . . . . . . . . . . . . . 9

4 Utilities Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5 Supply Fan VFD Weights, In Lbs. . . . . . . . . . . . . . . . . . . . 9

6 ZR180-300 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . 11

7 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

9 ZR180-300 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . 22

10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 23

11 Gas Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

12 Gas Pipe Sizing - CapacIty of Pipe . . . . . . . . . . . . . . . . . 24

13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . 24

14 Altitude/Temperature Correction Factors . . . . . . . . . . . . 32

15 Air Flow Performance - Side Duct Application . . . . . . . . 34

16 Air Flow Performance - Bottom Duct Application . . . . . . 36

17 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

18 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . 38

19 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 38

20 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 39

21 Limit Control Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

22 Electric Heat Anticipator Setpoint . . . . . . . . . . . . . . . . . . 46

23 Gas Heat Limit Control Setting . . . . . . . . . . . . . . . . . . . . 48

24 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 48

25 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . 50

26 Unit Control Board Flash Codes . . . . . . . . . . . . . . . . . . . 59

27 Heat Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

28 VAV Control Board Flash Codes . . . . . . . . . . . . . . . . . . 60

LIST OF FIGURES

1 ZR180-300 Component Location . . . . . . . . . . . . . . . . . . . 6

2 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 ZR180-300 Unit Dimensions Front View . . . . . . . . . . . . . 9

6 ZR180-300 Unit Dimensions Rear View . . . . . . . . . . . . 10

7 ZR180-300 Unit Dimensions Rain Hood . . . . . . . . . . . . 11

8 ZR180-300 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 12

9 Fixed Outdoor Air Damper . . . . . . . . . . . . . . . . . . . . . . . 13

10 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

11 Field Wiring Disconnect - Cooling Unit With/Without

Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

12 Typical Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

13 External Supply Connection External Shut-Off . . . . . . . 24

14 Bottom Supply Connection External Shut-Off . . . . . . . . 24

15 Vent and Combustion Air Hood . . . . . . . . . . . . . . . . . . . 26

16 Enthalpy Set Point Chart . . . . . . . . . . . . . . . . . . . . . . . . 30

17 Honeywell Economizer Control W7212 . . . . . . . . . . . . . 30

18 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

19 Altitude/Temperature Correction Factors . . . . . . . . . . . . 32

20 Pressure Drop Across A Dry Indoor Coil Vs. Supply

Air CFM For All Unit Tonnages . . . . . . . . . . . . . . . . . . . 38

21 Reheat Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . 43

22 Reheat Controls - Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 44

23 Reheat Controls - Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 44

24 System Piping Schematic . . . . . . . . . . . . . . . . . . . . . . . 45

25 Gas Valve Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

26 Gas Valve and Controls . . . . . . . . . . . . . . . . . . . . . . . . . 48

27 Proper Pilot Flame Adjustment . . . . . . . . . . . . . . . . . . . 50

28 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

29 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

30 ZR180 (15 Ton) Charging Chart . . . . . . . . . . . . . . . . . . 52

31 ZR240 (20 Ton) Charging Chart . . . . . . . . . . . . . . . . . . 52

32 ZR300 (25 Ton) Charging Chart . . . . . . . . . . . . . . . . . . 53

33 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

1 2 3 4 5 6 ... 60 61

Podsumowanie treści

Strona 1 - ZR SERIES

R-410AZR SERIES 15 - 25 Ton60 Hertz 275864-YIM-C-0910TABLE OF CONTENTSGeneral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strona 2

275864-YIM-C-091010 Johnson Controls Unitary ProductsFigure 6: ZR180-300 Unit Dimensions Rear ViewNOTE: Units are shipped with the bottom duct openin

Strona 3

275864-YIM-C-0910Johnson Controls Unitary Products 11Figure 7: ZR180-300 Unit Dimensions Rain HoodNote: ELEC/ELEC Models: Units and ductwork are appro

Strona 4 - Nomenclature

275864-YIM-C-091012 Johnson Controls Unitary ProductsFigure 8: ZR180-300 Roof CurbDuctworkDuctwork should be designed and sized according to the metho

Strona 5 - Installation

275864-YIM-C-0910Johnson Controls Unitary Products 13Figure 9: Fixed Outdoor Air DamperCondensate DrainPlumbing must conform to local codes. Use a sea

Strona 6

275864-YIM-C-091014 Johnson Controls Unitary Productselectrically grounded in accordance with NEC and CEC as specified above and/or local codes.Voltag

Strona 7 - Rigging And Handling

275864-YIM-C-0910Johnson Controls Unitary Products 15Figure 11: Field Wiring Disconnect - Cooling Unit With/Without Electric HeatThermostat WiringThe

Strona 8

275864-YIM-C-091016 Johnson Controls Unitary ProductsFigure 12: Typical Field WiringTHERMOSTAT 1TERMINALS( RCB )REHEATCONTROL BOARDRCRHY1Y2W1W2GCX1X3X

Strona 9

275864-YIM-C-0910Johnson Controls Unitary Products 17Table 8: Electrical Data ZR180-300 - Standard Drive Without Powered Convenience Outlet Size(Tons

Strona 10

275864-YIM-C-091018 Johnson Controls Unitary Products ZR180-300 - Standard Drive With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD Fa

Strona 11 - Unit with Rain Hoods

275864-YIM-C-0910Johnson Controls Unitary Products 19 ZR180-300 - High Static Drive Without Powered Convenience Outlet Size(Tons)VoltCompressors(each

Strona 12 - Ductwork

275864-YIM-C-09102 Johnson Controls Unitary ProductsGeneralYORK® Model ZR units are either single package air conditions equipped with optional factor

Strona 13 - Power And Control Wiring

275864-YIM-C-091020 Johnson Controls Unitary Products ZR180-300 - High Static Drive With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD

Strona 14

275864-YIM-C-0910Johnson Controls Unitary Products 21ZR300 - Low Static Drive Without Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD Fa

Strona 15 - Wire Size Maximum Length

275864-YIM-C-091022 Johnson Controls Unitary ProductsTable 9: ZR180-300 Physical Data ComponentModelsZR180 ZR240 ZR300Nominal Tonnage 15 20 25ARI COO

Strona 16 - THERMOSTAT

275864-YIM-C-0910Johnson Controls Unitary Products 23Optional Electric HeatThe factory-installed heaters are wired for single point power supply. Powe

Strona 17 - 3. HACR type per NEC

275864-YIM-C-091024 Johnson Controls Unitary ProductsOptional Gas HeatThese gas-fired heaters have aluminized-steel or optional stainless steel, tubul

Strona 18

275864-YIM-C-0910Johnson Controls Unitary Products 25Gas ConnectionThe gas supply line can be routed within the space and roof curb, exiting through t

Strona 19

275864-YIM-C-091026 Johnson Controls Unitary ProductsCheck all connections for leaks when piping is completed using a soap solution. NEVER USE A FLAME

Strona 20

275864-YIM-C-0910Johnson Controls Unitary Products 27the “A”, “B”, “C” or “D” setting corresponding to the lettered curve of the Enthalpy Set Point Ad

Strona 21

275864-YIM-C-091028 Johnson Controls Unitary Products• RH - a 0-10 VDC analog input provided by a field-installed return air relative humidity sensor

Strona 22 - 275864-YIM-C-0910

275864-YIM-C-0910Johnson Controls Unitary Products 29BAS-Ready VFDFactory-installed VFD is also available with 'BAS-ready' models. Terminal

Strona 23 - Optional Electric Heat

275864-YIM-C-0910Johnson Controls Unitary Products 3Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available du

Strona 24 - Optional Gas Heat

275864-YIM-C-091030 Johnson Controls Unitary ProductsFigure 16: Enthalpy Set Point ChartFigure 17: Honeywell Economizer Control W721240(4)70(21)50(10)

Strona 25

275864-YIM-C-0910Johnson Controls Unitary Products 31PhasingYork® Model ZR units are properly phased at the factory. Check for proper compressor rotat

Strona 26 - Options/Accessories

275864-YIM-C-091032 Johnson Controls Unitary ProductsFigure 19: Altitude/Temperature Correction FactorsThe examples below will assist in determining t

Strona 27 - Damper Set Point Adjustment

275864-YIM-C-0910Johnson Controls Unitary Products 33Drive Selection1. Determine side or bottom supply duct application.2. Determine desired airflow3.

Strona 28

275864-YIM-C-091034 Johnson Controls Unitary ProductsTable 15: Air Flow Performance - Side Duct ApplicationZR180 (15 Ton) Side DuctAir Flow(CFM)Availa

Strona 29 - F, 50 VDC capacitor

275864-YIM-C-0910Johnson Controls Unitary Products 35ZR300 (25 Ton) Side DuctAir Flow(CFM)Available External Static Pressure - IWG10.4 0.6 0.8 1.0 1.2

Strona 30

275864-YIM-C-091036 Johnson Controls Unitary ProductsTable 16: Air Flow Performance - Bottom Duct ApplicationZR180 (15 Ton) Bottom DuctAir Flow(CFM)Av

Strona 31 - Span Length

275864-YIM-C-0910Johnson Controls Unitary Products 37ZR300 (25 Ton) Bottom DuctAir Flow(CFM)Available External Static Pressure - IWG10.4 0.6 0.8 1.0 1

Strona 32 - Correction Factor

275864-YIM-C-091038 Johnson Controls Unitary ProductsAir BalanceStart the supply air blower motor. Adjust the resistances in both the supply and the r

Strona 33 - Air Flow

275864-YIM-C-0910Johnson Controls Unitary Products 39Supply Air Drive AdjustmentThe RPM of the supply air blower will depend on the required CFM, the

Strona 34

275864-YIM-C-09104 Johnson Controls Unitary ProductsNomenclatureZ R 180 N24 A 2 A AA 1 0 1 2 4 AZ = A/C, Single Pkg., R-410AProduct CategoryAirflow1 =

Strona 35 - 3. kW = BHP x 0.82

275864-YIM-C-091040 Johnson Controls Unitary ProductsOptional VAV Startup and ControlFor units with VFD and VAV control, the unit must first be put in

Strona 36

275864-YIM-C-0910Johnson Controls Unitary Products 41room thermostat is set in the "AUTO" position) and drives the economizer dampers from f

Strona 37

275864-YIM-C-091042 Johnson Controls Unitary ProductsEconomizer With Optional Intelli-comfort™ With Power ExhaustThe power exhaust motor is energized

Strona 38 - Air Balance

275864-YIM-C-0910Johnson Controls Unitary Products 43controlled. On any fault, only the associated system will be affected by any safety/preventive ac

Strona 39 - Operation

275864-YIM-C-091044 Johnson Controls Unitary ProductsFigure 22: Reheat Control BoardRY1Y2GW1OCCCW2P4P5P6P3COMHGRRHGRHUMK1K2K4K3`MODESELECTIONJUMPERDEH

Strona 40

275864-YIM-C-0910Johnson Controls Unitary Products 45Figure 23: Reheat Controls - Part 1Figure 24: Reheat Controls - Part 2UCBUNIT CONTROLBOARDRHBREHE

Strona 41

275864-YIM-C-091046 Johnson Controls Unitary ProductsFigure 25: System Piping SchematicElectric Heating Sequence Of OperationsThe following sequence d

Strona 42

275864-YIM-C-0910Johnson Controls Unitary Products 47Electric Heat Operation ErrorsTemperature LimitIf the UCB senses zero volts from the high tempera

Strona 43

275864-YIM-C-091048 Johnson Controls Unitary Productsspeed of the draft motor reaches approximately 2500 RPM, the centrifugal switch contact, located

Strona 44

275864-YIM-C-0910Johnson Controls Unitary Products 49Safety ControlsThe UCB monitors the temperature limit switch of gas heat units.The control circui

Strona 45

275864-YIM-C-0910Johnson Controls Unitary Products 5InstallationInstallation Safety InformationRead these instructions before continuing this applianc

Strona 46

275864-YIM-C-091050 Johnson Controls Unitary ProductsStart-Up (Cooling)Prestart Check ListAfter installation has been completed:1. Check the electrica

Strona 47

275864-YIM-C-0910Johnson Controls Unitary Products 51Shut Down1. Set the thermostat to the lowest temperature setting.2. Turn “OFF” all electric power

Strona 48

275864-YIM-C-091052 Johnson Controls Unitary ProductsPilot CheckoutThe pilot flame should envelope the end of the flame sensor. To adjust pilot flame,

Strona 49 - Burner Compartment

275864-YIM-C-0910Johnson Controls Unitary Products 53Charging The UnitFigure 31: ZR180 (15 Ton) Charging ChartFigure 32: ZR240 (20 Ton) Charging Chart

Strona 50 - Start-Up (Gas Heat)

275864-YIM-C-091054 Johnson Controls Unitary ProductsFigure 33: ZR300 (25 Ton) Charging ChartTroubleshootingCooling Troubleshooting GuideOn calls for

Strona 51 - Checking Gas Heat Input

275864-YIM-C-0910Johnson Controls Unitary Products 55action as needed. If the motor still does not operate, replace the motor.6. If 24 volts is not pr

Strona 52

275864-YIM-C-091056 Johnson Controls Unitary ProductsTo test, disconnect the Mate-N-Locks and jumper between the WHITE and YELLOW wires of the UCB’s M

Strona 53 - Charging The Unit

275864-YIM-C-0910Johnson Controls Unitary Products 572. Check for line voltage at the compressor contactor, M1, and that the contactor is pulled in. C

Strona 54 - Troubleshooting

275864-YIM-C-091058 Johnson Controls Unitary Products1. Place the thermostat fan switch in the “ON” position. If the supply air blower motor energizes

Strona 55

275864-YIM-C-0910Johnson Controls Unitary Products 59making good electrical connection. Check to make sure that the ceramic insulator on the pilot ign

Strona 56

275864-YIM-C-09106 Johnson Controls Unitary ProductsFigure 1: ZR180-300 Component LocationSimplicity® Control Board 110 Volt Convenience Outlet(“Power

Strona 57

275864-YIM-C-091060 Johnson Controls Unitary ProductsFigure 34: Unit Control BoardTable 26: Unit Control Board Flash CodesFLASH CODE DESCRIPTIONGREENL

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Strona 59

275864-YIM-C-0910Johnson Controls Unitary Products 7LocationUse the following guidelines to select a suitable location for these units:1. Unit is desi

Strona 60

275864-YIM-C-09108 Johnson Controls Unitary ProductsFigure 2: Unit 4 Point Load WeightFigure 3: Unit 6 Point Load WeightFigure 4: Center of GravityAll

Strona 61 - Heat Delay Setup

275864-YIM-C-0910Johnson Controls Unitary Products 9Figure 5: ZR180-300 Unit Dimensions Front ViewNote: All entry holes should be sealed to prevent ra

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York ZR240 Dokumentacja

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