York J ZJ Series Instruction Manual Download Page 61

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5803641-JIM-B-0620

Johnson Controls Ducted Systems

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Summary of Contents for J ZJ Series

Page 1: ...tations 34 16 Altitude Temperature Correction Factors 35 17 Airflow Performance Side Duct Application 38 18 Airflow Performance Bottom Duct Application 39 19 RPM Selection 40 20 Indoor Blower Specific...

Page 2: ...latest edition Wear safety glasses and work gloves Use quenching cloth and have a fire extinguisher available during brazing operations Improper installation may create a condition where the operation...

Page 3: ...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 convertible to LP with kit This product must...

Page 4: ...eated Filter CG 6 4 Pleated Filter CG A Std Cabinet E SSD SST Drain Pan R Reverse Drain Pan A No Economizer B Economizer w Barometric RLF D Economizer w Power EXH H Motorized Damper Outdoor Air Option...

Page 5: ...Bracket 2 Turn each bracket toward the ground and the protective plywood covering will drop to the ground 3 Remove the condenser coil external protective covering prior to operation 4 Remove the tooll...

Page 6: ...art Equipment control board used in this product will effectively operate the cooling system down to 0 F when this product is applied in a comfort cooling application for people An economizer is typic...

Page 7: ...ntil 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 rails Spreader bars whose length exceeds the largest dimension...

Page 8: ...Weight lbs Center of Gravity 4 Point Load Location lbs 6 Point Load Location lbs Shipping Operating X Y A B C D A B C D E F JA3 3 ZJ 745 740 40 26 180 147 186 228 124 108 95 120 137 157 JA4 4 ZJ 767 7...

Page 9: ...nson Controls Ducted Systems 9 Figure 8 JA3 thru A4ZJ Physical Dimensions 25 31 59 00 15 51 29 75 59 LEFT 11 3 8 21 3 16 89 27 5 16 4 3 16 FRONT See detail A for gas inlet A See detail B for drain loc...

Page 10: ...Johnson Controls Ducted Systems Figure 9 JA5ZJ Physical Dimensions LEFT A 59 00 C D E F 4 19 27 31 89 00 21 19 11 38 15 38 59 00 15 38 29 69 15 25 FRONT SEE DETAIL B FOR DRAIN LOCATION SEE DETAIL A FO...

Page 11: ...3 16 15 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 5 3 8 1 FPT Table 5 JA3 thru A5ZJ Unit Clearances Direction Distance in Direction Distance in Top1 1...

Page 12: ...Unit 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...

Page 13: ...ith Cover Power Entry 2 1 2 Control Entry 7 8 Power Entry 2 1 2 Convenience Outlet Cover Convenience Outlet Power Entry 7 8 FRONT Dot Plugs 5 5 32 31 11 16 2 31 32 18 1 4 Return Air Supply Air A B C D...

Page 14: ...A5ZJ Roof Curb 4 5 16 A C B Table 7 Left End Duct Dimensions Unit Model Number Dimension in A B C JA3ZJ 30 357 13 365 22 516 JA4ZJ 30 357 13 365 22 516 JA5ZJ 30 357 13 365 22 516 8 or 14 50 1 2 30 20...

Page 15: ...er the bottom of the unit For bottom duct application no duct cover changes are necessary For side duct application remove the side duct covers and install over the bottom duct openings The panels rem...

Page 16: ...tall condensate drain line from the 1 inch NPT female connection on the unit to an open drain Figure 20 Condensate Drain Compressors The scroll compressor used in this product is specifically designed...

Page 17: ...ement wire must be of the type shown on the wiring diagram and the same minimum gauge as the replaced wire A disconnect must be utilized for these units Factory installed disconnects are available If...

Page 18: ...he unit nameplate Refer to Electrical Data Table 9 to size power wiring fuses and disconnect switch Power wiring is brought into the unit through the side of the unit or the basepan inside the curb Fi...

Page 19: ...OL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 1 4 3 1 2 4 Second stage ot required on single stage he g units Jumper is required if there is no Smoke Detector circuit Jumper is requir...

Page 20: ...1 35 40 E06 4 5 1 12 5 24 6 30 1 35 40 E08 6 8 1 18 9 30 1 37 35 40 E15 11 3 2 31 4 45 8 52 6 50 60 E20 15 2 41 6 58 5 65 4 60 70 230 13 8 83 1 22 2 1 5 2 5 5 None 24 6 30 1 35 40 E06 6 1 14 4 24 6 31...

Page 21: ...06 4 5 1 12 5 24 6 30 1 35 40 E08 6 8 1 18 9 30 1 37 35 40 E15 11 3 2 31 4 45 8 52 6 50 60 E20 15 2 41 6 58 5 65 4 60 70 230 13 8 83 1 22 2 1 5 2 5 5 None 24 6 30 1 35 40 E06 6 1 14 4 24 6 31 4 35 40...

Page 22: ...5 1 12 5 34 6 41 5 45 50 E08 6 8 1 18 9 42 6 49 5 45 50 E15 11 3 2 31 4 58 3 65 1 60 70 E20 15 2 41 6 71 77 9 80 80 230 13 8 83 1 22 2 1 5 2 5 5 20 None 34 6 40 1 45 50 E06 6 1 14 4 37 43 9 45 50 E08...

Page 23: ...1 12 5 34 6 41 5 45 50 E08 6 8 1 18 9 42 6 49 5 45 50 E15 11 3 2 31 4 58 3 65 1 60 70 E20 15 2 41 6 71 77 9 80 80 230 13 8 83 1 22 2 1 5 2 5 5 20 None 34 6 40 1 45 50 E06 6 1 14 4 37 43 9 45 50 E08 9...

Page 24: ...tate efficiency 81 5 81 81 81 5 81 81 81 81 80 5 No burners 4 4 6 4 4 6 4 6 8 No stages 21 22 22 21 22 22 22 22 22 Temperature Rise Range F 20 50 F 25 65 F 50 80 F 20 50 F 25 65 F 40 70 F 25 65 F 35 6...

Page 25: ...M34 1VL44 1VL40 1VP56 Blower Sheave AK69 AK69 AK56 AK56 AK61 AK74 Belt A47 A47 A47 A47 A47 A51 Motor HP each 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 2 RPM 1725 1725 1725 1725 1725 1725 Frame size 56 56 56 56 56...

Page 26: ...with locality The value should be checked with the local gas utility Figure 23 Side Entry Gas Piping Figure 24 Bottom Entry Gas Piping NOTE Maximum capacity of pipe in cubic feet of gas per hour base...

Page 27: ...accessory kit model numbers 1NP0454 or 1NP0455 All LP gas equipment must conform to the safety standards of the National Fire Protection Association Table 13 Gas Heat Minimum Supply Air Size Tons Mode...

Page 28: ...ing to NFPA 72 requirements and cleaned at least once a year For specific troubleshooting and maintenance procedures please refer to the smoke detector s installation instructions which accompanies th...

Page 29: ...for free cooling The position of the damper is set proportionally between the Economizer Minimum Position and the Economizer Minimum Position Low Speed Fan set points in relationship to the VFD output...

Page 30: ...sor output be turned ON if the economizer output is less than 100 even if the differential between zone or return temperature and the current cooling setpoint is great enough to demand more than one s...

Page 31: ...mistor MAT parameter reports input status F C 3 65 VDC reading MAT to COM with open circuit Read only use in current control revision IN1 MAT LEDs at left on upper edge of economizer board POWER POWER...

Page 32: ...power exhaust actuator and economizer actuator Connects through circuit trace to 24V IN pin HOT ECON 2 10 VDC output for the Economizer actuator Econ parameter reports output status 0 100 Used to posi...

Page 33: ...egative for the indoor air quality sensor Connects through circuit trace to 24V IN pin COM R 24V 24 VAC hot supplied for the outdoor air quality sensor Connects through circuit trace to 24V IN pin HOT...

Page 34: ...drawing low amperage has similar suction and discharge pressures or producing a high noise level the scroll is misphased Blower Rotation Check for proper supply air blower rotation If the blower is r...

Page 35: ...or adjusting belt tension 1 Loosen six nuts top and bottom A 2 Adjust by turning B 3 Never loosen nuts C 4 Use belt tension checker to apply a perpendicular force to one belt at the midpoint of the sp...

Page 36: ...0 56 Example 2 A system located at 5 000 feet of elevation is to deliver 1 400 CFM at a static pressure of 1 5 Use the unit blower tables to select the blower speed and the BHP requirement Solution A...

Page 37: ...HP exceeds the maximum continuous BHP rating of the 1 5 HP motor The 2 HP motor is required 6 1230 RPM is within the range of the 2 HP drives 7 Using the 2 HP motor and drive 5 turns open will achieve...

Page 38: ...0 956 0 80 1015 0 90 1072 0 99 1130 1 08 1189 1 16 1500 650 0 35 720 0 44 786 0 54 849 0 64 911 0 74 970 0 84 1028 0 93 1086 1 03 1144 1 12 1202 1 20 1600 664 0 39 734 0 49 800 0 58 863 0 68 924 0 78...

Page 39: ...2 1039 0 92 1099 1 01 1160 1 09 1223 1 16 1500 675 0 37 744 0 46 810 0 56 872 0 66 933 0 77 993 0 87 1053 0 96 1113 1 05 1174 1 14 1237 1 20 1600 690 0 42 759 0 51 825 0 61 887 0 72 948 0 82 1008 0 92...

Page 40: ...12 hrs run time is recommended Table 19 RPM Selection Size Tons Model HP Max BHP Motor Sheave Blower Sheave 6 Turns Open 5 Turns Open 4 Turns Open 3 Turns Open 2 Turns Open 1 Turn Open Fully Closed J...

Page 41: ...motor sheave is open 5 Select the correct blower performance table for the unit from Tables 17 and 18 Tables are presented for side and down flow configuration 6 Determine the unit Measured CFM from...

Page 42: ...can result in substantial changes in static pressure and BHP BHP and AMP draw of the blower motor will increase by the cube of the blower speed Static pressure will increase by the square of the blowe...

Page 43: ...2 0 03 0 01 0 01 0 01 0 02 0 02 0 02 1200 0 04 0 00 0 04 0 01 0 01 0 01 0 02 0 02 0 02 1300 0 03 0 01 0 05 0 01 0 01 0 01 0 03 0 03 0 03 1400 0 03 0 03 0 07 0 02 0 02 0 02 0 03 0 03 0 03 1500 0 03 0 0...

Page 44: ...controller previously determined Y1 energizes the economizer The dampers will modulate to maintain a constant supply air temperature as monitored by the discharge air sensor If the outdoor air enthalp...

Page 45: ...with compressor operation Compressor minimum run time may extend the minutes of compressor operation The off cycle will begin immediately following the elapse of the minimum run time When operating i...

Page 46: ...erature condition caused by inadequate supply air flow occurs thus shutting down the heater and energizing the blower Reset Remove the call for heating by lowering the thermostat setting lower than th...

Page 47: ...hree ignition attempts the furnace is locked out for one hour The furnace is monitored during this one hour period for unsafe conditions Recycle Operation When a flame is lost after the flame stabiliz...

Page 48: ...re switch closes or W1 is lost Roll out Switch ROS The roll out switch is wired in series with the pressure switch As such the ICB cannot distinguish the roll out switch operation from that of the pre...

Page 49: ...time should the standby gas pressure exceed 10 5 in or the operating pressure drop below 4 5 in for natural gas units If gas pressure is outside these limits contact the local gas utility or propane s...

Page 50: ...This gas furnace has two heat stages Therefore the gas valve has two adjustment screws located under a plastic protective cover The second stage 100 input adjustment screw is adjacent to the HI marki...

Page 51: ...nspection and or replacement NOTE Reverse the above procedure to replace the assemblies Make sure that burners are level and seat at the rear of the gas orifice Figure 29 Typical Flame Figure 30 Typic...

Page 52: ...ostat connection strip C and indoor blower VFD pin C 24V 24 VAC 75 VA transformer hot Powers the UCB microprocessor connects through circuit trace to the SD 24 terminal SD 24 24 VAC hot out for factor...

Page 53: ...jumper plug for factory shutdown accessories must be removed if the switching of field added external accessories for unit shutdown are wired between thermo stat connection strip SD 24 and R C 24 VAC...

Page 54: ...e temperature coefficient thermistor Input required for 2 compressor heat pump units not required for 2 compressor A C units not active for 1 compressor units 3 625 VDC reading CC2 to CC2 with open ci...

Page 55: ...no input within 5 minutes from initiation of H1 output initiates an Ignition Failure alarm input for longer than 5 minutes without H1 output initiates a Gas Valve Mis wire alarm Pin Cooling and fan ou...

Page 56: ...ent to allow FAN output and unit operation One FAN OVR trip lasting longer than 5 minutes or three FAN OVR trips in a two hour period cause a Fan Overload Lockout and unit operation is then prevented...

Page 57: ...cted BUS BACnet MSTP communication circuit Negative of the VDC FC bus BACnet MSTP communication circuit SHLD Shield for the FC Field Connected BUS BACnet MSTP communication circuit Earth ground refere...

Page 58: ...air Cable2 2 We recommend 26 AWG solid 6 wire 3 twisted pairs cable as the best fit for fabricating modular cables with the modular jack housing assembly Be sure the cable you use fits the modular jac...

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