York ZJ150 User Manual Download

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R-410A

ZJ SERIES W/SIMPLICITY SE

6-1/2 - 12-1/2 Ton
60 Hertz

1183875-YIM-A-1014

TABLE OF CONTENTS

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

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

Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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

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

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

Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Optional Electric Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Options/Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Optional Variable Air Volume (VAV). . . . . . . . . . . . . . . . . . . 34

Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . 36

Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 36

Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . 37

Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Cooling Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . 52

Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Electric Heating Sequence Of Operations . . . . . . . . . . . . . . 54

Electric Heat Operation Errors. . . . . . . . . . . . . . . . . . . . . . 55

Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . 55

Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . 56

Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Control Board Navigation Components . . . . . . . . . . . . . . . . . . 60

Simplicity™ SE (Smart Equipment) Firmware Version 3. Basic

Unit Control Board Navigation Examples: . . . . . . . . . . . . . . 61

Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

LIST OF TABLES

1 ZJ078-150 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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

3 ZJ078-150 Unit Accessory Weights . . . . . . . . . . . . . . . . . . . 9

4 ZJ078-150 Unit Physical Dimensions . . . . . . . . . . . . . . . . 11

5 ZJ078-150 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . 11

6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

9 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . 31

11 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . 32

12 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . 32

13 Simplicity SE Economizer Board Details . . . . . . . . . . . . . . 38

14 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

15 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . 43

16 Airflow Performance - Side Duct Application . . . . . . . . . . . 45

17 Airflow Performance - Bottom Duct Application . . . . . . . . . 47

18 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

19 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . 49

20 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . 49

21 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . 51

22 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . 52

23 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . 55

24 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . 55

25 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . 57

26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . 57

27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . 59

28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

29 Simplicity SE UCB Details . . . . . . . . . . . . . . . . . . . . . . . . . 63

30 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . 68

LIST OF FIGURES

1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Predator

Component Location (ZJ120 Shown) . . . . . . . . . 7

5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 9

7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

8 ZJ078-120 Physical Dimensions . . . . . . . . . . . . . . . . . . . . 10

9 ZJ150 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . 11

10 ZJ078-150 Unit Bottom Duct Openings . . . . . . . . . . . . . . 13

11 ZJ078-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . . 14

12 ZJ078-120 Unit Side Duct Openings . . . . . . . . . . . . . . . . . 14

13 ZJ150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . 15

14 ZJ078-150 Unit Left Duct Opening . . . . . . . . . . . . . . . . . . 15

15 ZJ078-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

16 ZJ078-150 Transition Roof Curb . . . . . . . . . . . . . . . . . . . . 16

17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . 17

18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . 17

19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . 17

20 Save Side Panels For Economizer Hood Tops . . . . . . . . . 17

21 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

22 Field Wiring Disconnect - Cooling Unit With/Without Electric

Heat and All Units With VFD Option . . . . . . . . . . . . . . . . . 19

23 Field Wiring Disconnect - Cooling Unit With Gas Heat Without

VFD Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

24 Typical Electronic Thermostat Field Wiring . . . . . . . . . . . . 21

25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 33

27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

28 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . 39

29 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

30 Altitude/Temperature Correction Factors . . . . . . . . . . . . . 44

31 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

32 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

33 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

34 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

35 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

36 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Summary of Contents for ZJ150

Page 1: ...ors 43 16 Airflow Performance Side Duct Application 45 17 Airflow Performance Bottom Duct Application 47 18 RPM Selection 48 19 Indoor Blower Specifications 49 20 Power Exhaust Specifications 49 21 Mo...

Page 2: ...precautions and codes including ANSI Z223 1 or CSA B149 1 latest edition Improper installation may create a condition where the operation of the product could cause personal injury or property damage...

Page 3: ...allation on combustible material and may be installed directly on combustible flooring or in the U S on wood flooring or Class A Class B or Class C roof covering materials 4 For use with natural gas c...

Page 4: ...Coil TJ Technicoat Evaporator Coil TS Technicoat Evaporator Condenser Coils 6 5 12 5 Ton York Model Number Nomenclature ZZ If desired option combination is not listed above ZZ will be assigned and co...

Page 5: ...he ground 3 Remove the condenser coil external protective covering prior to operation 4 Remove the toolless doorknobs and instruction packet prior to installation Figure 2 Condenser Covering Figure 3...

Page 6: ...lications computer rooms switchgear etc please reference applications bulletin AE 011 07 or call the applications department for Unitary Products 1 877 UPG SERV for guidance Additional accessories may...

Page 7: ...se care when moving the unit Do not remove any packaging until the unit is near the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rail...

Page 8: ...ted The condenser coils should be protected from rigging cable damage with plywood or other suitable material D A C B LEFT FRONT D A C B E F LEFT FRONT X Y LEFT FRONT Table 2 Weights and Dimensions Si...

Page 9: ...at1 1 Weight given is for the maximum heater size available 54KW 49 49 Gas Heat2 2 Weight given is for the maximum number of tube heat exchangers available 8 tube 110 110 Variable Frequency Drive3 3 W...

Page 10: ...Unitary Products Figure 9 ZJ150 Physical Dimensions 15 23 29 03 14 85 29 03 14 85 15 23 28 86 29 66 44 09 24 58 TYP 4 PL FRONT See detail B for drain location See detail A for gas inlet C D E F B 4 3...

Page 11: ...1 2 30 3 16 24 3 16 17 3 16 6 3 16 42 CABINET 3 126 2 000 3 184 4 727 7 705 14 594 Gas Pipe Inlet Gas Exhaust Vent 50 3 4 CABINET 3 126 2 000 3 184 4 737 7 715 17 541 Gas Pipe Inlet Gas Exhaust Vent 5...

Page 12: ...nit Bottom Duct Openings Bottom condensate drain Bottom gas supply entry FRONT RETURN AIR SUPPLY AIR RIGHT LEFT 20 1 8 19 1 8 17 1 8 6 13 16 6 13 16 32 11 16 14 1 2 16 3 8 18 1 16 25 9 16 12 5 16 27 1...

Page 13: ...it Electrical Entry Figure 12 ZJ078 120 Unit Side Duct Openings Disconnect Swith Cover Power Entry 2 1 2 Control Entry 7 8 Power Entry 2 1 2 Convenience Outlet Cover Convenience Outlet Power Entry 7 8...

Page 14: ...Left Duct Opening Dot Plugs 2 7 8 5 5 32 D C 31 5 8 18 1 4 B A Table 6 Side Duct Dimensions Unit Model Number Dimension in A B C D ZJ078 28 1 4 18 1 16 28 1 4 18 1 4 ZJ090 28 1 4 18 1 16 28 1 4 18 1...

Page 15: ...e The supply and return air duct connections at the unit should be made with flexible joints to minimize noise The supply and return air duct systems should be designed for the CFM and static pressure...

Page 16: ...Figure 17 Side Panels With Hole Plugs NOTE Orientation Panel is insulation side up Figure 18 Return Downflow Plenum With Panel Figure 19 Discharge Panel In Place Side Panels Units are shipped with sid...

Page 17: ...t Canadian Electrical Code C221 and or local ordinances The unit must be electrically grounded in accordance with NEC and CEC as specified above and or local codes Voltage tolerances which must be mai...

Page 18: ...l Units are factory wired for the voltage shown on the unit nameplate Refer to Electrical Data Table 8 to size power wiring fuses and disconnect switch Power wiring is brought into the unit through th...

Page 19: ...ohnson Controls Unitary Products 19 Figure 23 Field Wiring Disconnect Cooling Unit With Gas Heat Without VFD Option L1 T1 L2 T2 T3 L3 THREE PHASE POWER SUPPLY FACTORY OR FIELD SUPPLIED DISCONNECT GROU...

Page 20: ...om the unit to the thermostat and back to the unit 18 AWG 150 Feet OCC C RC G Y2 Y1 W2 W1 X R THERMOSTAT TERMINALS CONTROL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 1 4 3 1 2 4 Secon...

Page 21: ...6 8 1 18 9 38 0 43 5 45 50 E18 13 5 2 37 5 53 3 60 2 60 70 E24 18 0 2 50 0 69 0 75 8 70 80 E36 25 5 2 70 8 95 0 101 9 100 110 230 11 9 88 0 18 5 3 0 5 2 5 5 0 0 None 38 0 43 5 45 50 E09 9 0 1 21 7 38...

Page 22: ...0 0 75 5 90 90 E24 18 0 2 50 0 74 5 81 3 90 90 E36 25 5 2 70 8 100 5 107 4 110 110 E54 40 6 2 112 7 152 9 159 7 175 175 230 23 1 160 0 36 0 2 1 9 6 5 5 0 0 None 70 0 75 5 90 90 E18 18 0 2 43 3 70 0 75...

Page 23: ...4 47 9 50 50 E18 13 5 2 37 5 58 8 65 7 60 70 E24 18 0 2 50 0 74 5 81 3 80 90 E36 25 5 2 70 8 100 5 107 4 110 110 230 11 9 88 0 18 5 3 0 9 6 5 5 0 0 None 42 4 47 9 50 50 E09 9 0 1 21 7 42 4 47 9 50 50...

Page 24: ...4 79 9 90 100 E24 18 0 2 50 0 80 0 86 8 90 100 E36 25 5 2 70 8 106 0 112 9 110 125 E54 40 6 2 112 7 158 4 165 2 175 175 230 23 1 160 0 36 0 2 1 14 0 5 5 0 0 None 74 4 79 9 90 100 E18 18 0 2 43 3 74 4...

Page 25: ...53 5 50 60 E18 13 5 2 37 5 65 8 72 7 70 80 E24 18 0 2 50 0 81 5 88 3 90 90 E36 25 5 2 70 8 107 5 114 4 110 125 230 11 9 88 0 18 5 3 0 5 2 5 5 10 0 None 48 0 53 5 50 60 E09 9 0 1 21 7 48 0 53 5 50 60...

Page 26: ...80 0 85 5 100 100 E24 18 0 2 50 0 87 0 93 8 100 100 E36 25 5 2 70 8 113 0 119 9 125 125 E54 40 6 2 112 7 165 4 172 2 175 175 230 23 1 160 0 36 0 2 1 9 6 5 5 10 0 None 80 0 85 5 100 100 E18 18 0 2 43 3...

Page 27: ...57 9 60 60 E18 13 5 2 37 5 71 3 78 2 80 80 E24 18 0 2 50 0 87 0 93 8 90 100 E36 25 5 2 70 8 113 0 119 9 125 125 230 11 9 88 0 18 5 3 0 9 6 5 5 10 0 None 52 4 57 9 60 60 E09 9 0 1 21 7 52 4 58 4 60 60...

Page 28: ...4 4 89 9 100 110 E24 18 0 2 50 0 92 5 99 3 100 110 E36 25 5 2 70 8 118 5 125 4 125 150 E54 40 6 2 112 7 170 9 177 7 175 200 230 23 1 160 0 36 0 2 1 14 0 5 5 10 0 None 84 4 89 9 100 110 E18 18 0 2 43 3...

Page 29: ...0 No burners 4 6 4 6 4 6 6 8 6 8 No stages 23 23 23 23 23 23 23 23 23 23 Temperature Rise Range F 20 50 35 65 15 45 30 60 10 40 25 55 20 50 35 65 10 40 25 55 Gas Limit Setting F 165 165 165 165 215 19...

Page 30: ...0 1VP56 Blower Sheave AK74 AK74 AK69 AK69 AK89 AK74 AK84 AK74 AK74 BK77 Belt A53 A54 A53 A54 A56 A54 A56 A54 A54 BX55 Motor HP each 1 1 2 2 1 1 2 3 2 3 2 3 3 5 RPM 1725 1725 1725 1725 1725 1725 1725 1...

Page 31: ...r of gas flow required specific gravity of the gas and the length of run National Fuel Gas Code Z223 1 in U S A or the current Gas Installation Codes CSA B149 1 in Canada should be followed in all cas...

Page 32: ...ned of dirt and scale by hammering on the outside of the pipe and blowing out loose particles Before initial start up be sure that all gas lines external to the unit have been purged of air 5 The gas...

Page 33: ...ectric heaters are available as factory installed options or field installed accessories Refer to electric heat instructions for installation These heaters mount in the heat compartment with the heati...

Page 34: ...1 Down Flow application 2 Horizontal Flow application that requires the purchase of a barometric relief hood Rain Hood All of the hood components including the filters the gasketing and the hardware f...

Page 35: ...T switch must be manually switched to the LINE BYPASS position If there is a call for the fan the indoor blower motor will run at full speed while in the bypass mode Bas ready VFD Factory installed VF...

Page 36: ...een 95 and 115 psig with a factory setting of 105 psig HGBP is standard on all units with VAV and optional with CV units Economizer Sequences Several functions can drive the economizer including minim...

Page 37: ...nt 1 F If the economizer output is at 100 and the SAT is greater than the Economizer setpoint 1 F the control starts a 12 minute timer to energize a compressor output If at any time the economizer out...

Page 38: ...r actuator position feedback Connects through circuit trace to 24V IN pin HOT C COM Mixed Air Temperature sensor input from 10K 77 F Type III negative temperature coefficient thermistor MAT parameter...

Page 39: ...FType selection is Modulating Damper Used to ramp the power exhaust fan VFD position the discharge damper actuator COM 24 VAC common 0 10 VDC negative for the power exhaust variable frequency drive di...

Page 40: ...race to 24V IN pin HOT IN5 IAQ 0 10 VDC positive input from the Indoor Air Quality sensor IAQRange parameter sets the CO2 parts per million measured by the indoor air quality sensor when it outputs 10...

Page 41: ...on is misphased See PHASING C COM 24 VAC common 0 10 VDC negative for the air monitoring station sensor Connects through circuit trace to 24V IN pin COM R 24V 24 VAC hot supplied for the building pres...

Page 42: ...sity of the air However since the air at high altitude is less dense less static pressure will be generated and less power will be required than a similar application at sea level Air density correcti...

Page 43: ...given is at an elevation of 5 000 ft The first step is to convert this static pressure to equivalent sea level conditions Sea level static pressure 1 5 832 1 80 Enter the blower table at 6000 sCFM and...

Page 44: ...is found 5 1 95 BHP exceeds the maximum continuous BHP rating of the 1 5 HP motor The 2 HP motor is required 6 1268 RPM is within the range of the 2 HP drives 7 Using the 2 HP motor and drive 5 turns...

Page 45: ...24 2 04 2400 631 0 16 682 0 41 736 0 66 793 0 90 852 1 14 911 1 36 970 1 58 1028 1 78 1084 1 97 1136 2 13 2600 642 0 27 692 0 52 747 0 76 804 1 01 862 1 24 922 1 47 981 1 69 1039 1 89 1094 2 07 1146 2...

Page 46: ...WG1 1 Blower performance includes gas heat exchangers and 2 filters See STATIC RESISTANCE table for additional applications 2 See RPM SELECTION table to determine desired motor sheave setting and to d...

Page 47: ...1 1012 1 61 1065 1 81 1113 2 02 1153 2 24 2400 689 0 42 743 0 69 800 0 93 859 1 16 919 1 37 978 1 57 1035 1 77 1088 1 97 1135 2 18 1176 2 40 2600 712 0 60 766 0 87 823 1 11 882 1 34 942 1 55 1002 1 75...

Page 48: ...RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Field Supplied Drive Standard 3 HP Drive Hi Static 5 HP Drive 3200 797 1 32 851 1 46 903 1 60 953 1 74 1001 1 86 1048 1 99 1093 2 11 1138 2 23 1...

Page 49: ...screws after 10 12 hrs run time is recommended Table 19 Indoor Blower Specifications Size Tons Model Motor Motor Sheave Blower Sheave Belt HP RPM Eff SF Frame Datum Dia in Bore in Model Datum Dia in...

Page 50: ...open 5 Select the correct blower performance table for the unit from Tables 16 and 17 Tables are presented for side and downflow configuration 6 Determine the unit Measured CFM from the Blower Perform...

Page 51: ...tallation for any installation errors leaks or undesirable systems effects that can result in loss of airflow Even small changes in blower speed can result in substantial changes in static pressure an...

Page 52: ...Only1 1 Add these values to the available static resistance in the respective Blower Performance Tables Economizer2 3 2 Deduct these values from the available external static pressure shown in the res...

Page 53: ...vailable a compressor must not be locked out due to a high or low pressure switch or freezestat trip and the Anti Short Cycle Delay ASCD must have elapsed Economizer With Single Enthalpy Sensor When t...

Page 54: ...inactive the condenser fans will be de energized Low Ambient Cooling To determine when to operate in low ambient mode the UCB has a pair of terminals connected to a temperature activated switch set a...

Page 55: ...an the conditioned space temperature Electric Heat Anticipator Setpoints It is important that the anticipator setpoint be correct Too high of a setting will result in longer heat cycles and a greater...

Page 56: ...stabilization period a recy cle operation occurs If the unit fails after five recycle attempts the furnace is locked out for one hour Gas Heating Operation Errors Lock Out A one hour lockout occurs f...

Page 57: ...ate code See Table 30 Ignition Control Flash Codes The draft motor is energized until the pressure switch closes or W1 is lost Roll out Switch ROS The roll out switch is wired in series with the press...

Page 58: ...ing 2 Check for correct manifold gas pressures See CHECKING GAS INPUT 3 Check the supply gas pressure It must be within the limits shown on the rating nameplate Supply pressure should be checked with...

Page 59: ...0 Btuh is within 5 of the 192 000 Btuh rating of the furnace Manifold Gas Pressure Adjustment This gas furnace has two heat stages Therefore the gas valve has two adjustment screws located under a pla...

Page 60: ...inspected and or replaced To service burners complete step 4 4 Remove the heat shield on top of the manifold supports Burners are now accessible for inspection and or replacement NOTE Reverse the abo...

Page 61: ...the cursor is on the top Status line hit the ENTER button This action steps the LCD display into the status mode Hit ENTER to view the status menu Press Enter Step 2 Scroll down to DVent Mode This is...

Page 62: ...aged ENTER CANCEL JOY C PWR 7 7 77 Clg Engaged LeadLag Engaged Press Enter Joy Stick Down 2 Step 6 By toggling down 4 times the screen reaches the ClgOcc SP screen or Cooling Occupied Set Point ENTER...

Page 63: ...microprocessor connects through circuit trace to the SD 24 terminal SD 24 24 VAC hot out for factory accessory smoke detector condensate overflow and or user shutdown relay switching in series Connec...

Page 64: ...Lit indicates 24 VAC is present at C and 24V terminals FAULT Red hard lockout networking error and firmware error indicator 1 2 second on off flashing indicates one or more alarm is currently active 1...

Page 65: ...tor Input required for operation of 2 compressor units not active for 1 compressor units 3 625 VDC reading EC2 to EC2 with open circuit Used in suction line temperature safety Pinned connections on ri...

Page 66: ...rupted during defrost cycle for heat pump units AUX HGR 24 VAC hot output for hot gas reheat components Effective only for reheat units output with reheat operation FAN 24 VAC hot output for indoor bl...

Page 67: ...ted until alarm reset Terminal SA BUS connections on at left on lower edge and center of UCB PWR Power for SA Sensor Actuator BUS devices Also incorporated in the J8 6 pin phone jack connector at the...

Page 68: ...red housing at left on top edge of the communication board EOL switch End Of Line selector switch for the FC BUS BACnet MSTP communication circuit ON selected only for the UCB that is the terminus of...

Page 69: ...up This confidence is supported by the 30 day dealer protection coverage portion of our standard warranty policy which states that Johnson Controls UPG will cover parts and labor on new equipment star...

Page 70: ...full open position and the frequency drive is operating at 60 HZ Do not proceed with the equipment start up without the design CFM information Design Supply Air CFM __________________________ Design...

Page 71: ...omplete Air Moving Inspection Completed See Notes Alignment of drive components Belt tension adjusted properly Blower pulleys tight on shaft bearing set screws tight wheel tight to shaft Pressure swit...

Page 72: ...to increase of decrease the airflow to meet the design conditions If the motor pulley size was changed measure the outside diameters of the motor and blower pulleys and record those diameters here Bl...

Page 73: ...Return Air Temperature ________________ F db ________________ F wb ________________ RH Mixed Air Temperature ________________ F db ________________ F wb ________________ RH Supply Air Temperature ____...

Page 74: ...____________________________________________________________________ ________________________________________________________________________________________________________ __________________________...

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