1. Manuals
  2. Brands
  3. York Manuals
  4. Air Conditioner
  5. J ZJ Series
  6. Instruction manual

York J ZJ Series Instruction Manual

Hide thumbs Also See for J ZJ Series:
Table of Contents

Advertisement

Quick Links

Download this manual
R-410A
J**ZJ SERIES W/SMART EQUIPMENT™
3 - 5 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Single Enthalpy Changeover. . . . . . . . . . . . . . . . . . . . . . . 29
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 29
1 JA3 thru A5ZJ Unit Limitations . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 JA3 thru A5ZJ Unit Accessory Weights . . . . . . . . . . . . . . 8
4 JA3 thru A5ZJ Unit Physical Dimensions . . . . . . . . . . . . 11
5 JA3 thru A5ZJ Unit Clearances . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 25
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . 26
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . 27
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Component Location (JA3ZJ Shown) . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 JA3 thru A4ZJ Physical Dimensions . . . . . . . . . . . . . . . . 9
9 JA5ZJ Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 10
11 JA3 thru A5ZJ Unit Electrical Entry . . . . . . . . . . . . . . . . 13
12 JA3 thru A5ZJ Unit Side Duct Openings . . . . . . . . . . . . 13
14 JA3 thru A5ZJ Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . 14
15 JA3 thru A5ZJ Transition Roof Curb . . . . . . . . . . . . . . . 15
16 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . 15

TABLE OF CONTENTS

Auto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Free Cooling Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 44
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 44
Electric Heating Sequence Of Operations . . . . . . . . . . . . 45
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 46
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 47
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 47
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Control Board Navigation Components . . . . . . . . . . . . . . . . . 51
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
LIST OF TABLES
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . 40
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 40
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . 42
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 43
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . 46
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . 46
26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 48
27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . 50
28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
29 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . 52
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . 58
LIST OF FIGURES
17 Return Downflow Plenum With Panel . . . . . . . . . . . . . . 16
18 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . 16
20 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
21 Field Wiring Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . 18
22 Typical Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 19
23 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 26
24 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . 26
25 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . 31
26 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
28 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
29 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
30 Typical Two Stage Gas Valve . . . . . . . . . . . . . . . . . . . . 51
31 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Advertisement

Table of Contents
loading

Related Manuals for York J ZJ Series

Summary of Contents for York J ZJ Series

  • Page 1: Table Of Contents

    R-410A J**ZJ SERIES W/SMART EQUIPMENT™ 3 - 5 Ton 60 Hertz TABLE OF CONTENTS General ......... . 2 Auto.

  • Page 2: General

    5803641-JIM-B-0620 General Johnson Controls J**ZJ units are single package air conditioners with optional gas heating designed for outdoor Before performing service or maintenance operations on installation on a rooftop or slab and for non-residential use. unit, turn off main power switch to unit. Electrical shock These units can be equipped with factory or field installed could cause personal injury.
  • Page 3 5803641-JIM-B-0620 Inspection Renewal Parts As soon as a unit is received, it should be inspected for possible For authorized replacement parts, call Johnson Controls, Inc. damage during transit. If damage is evident, the extent of the National Source 1 Parts Outlet at 1-866-523-9670. damage should be noted on the carrier’s freight bill.
  • Page 4 5803641-JIM-B-0620 Nomenclature 3-5 Ton J**ZJ Johnson Controls Model Number Nomenclature JA3 ZJ C A 2 A 1 Product Generation Nominal Cooling Capacity 2 = Second Generation 3 = Third Generation JA3 = 3 Ton JA4 = 4 Ton JA5 = 5 Ton Cabinet Options A = Std Cabinet Product Category &...

  • Page 5: Installation

    5803641-JIM-B-0620 Installation Remove the condenser coil external protective covering prior to operation. Installation Safety Information Remove the toolless doorknobs and instruction packet prior to installation. Read these instructions before continuing this appliance installation. This is an outdoor combination heating and cooling unit.

  • Page 6: Limitations

    5803641-JIM-B-0620 Limitations If components are to be added to a unit to meet local codes, they are to be installed at the dealer’s and/or customer’s These units must be installed in accordance with the following: expense. In U.S.A.: Size of unit for proposed installation should be based on heat National Electrical Code, ANSI/NFPA No.

  • Page 7: Location

    5803641-JIM-B-0620 Table 1: JA3 thru A5ZJ Unit Limitations Unit Limitations Size Model Unit Voltage Applied Voltage Outdoor DB Temp (Tons) Max (°F) 208/230-3-60 460-3-60 (3.50) 575-3-60 208/230-3-60 460-3-60 (4.0) 575-3-60 208/230-3-60 460-3-60 (5.0) 575-3-60 Location Code, ANSI Z223.1 – Latest Edition (in U.S.A.), or Sections 7.2, 7.3, or 7.4 of Gas Installation Codes, CSA-B149.1 (in Canada) - Use the following guidelines to select a suitable location for Latest Edition, and/or applicable provisions of the local building...

  • Page 8: Weights And Dimensions

    5803641-JIM-B-0620 All panels must be secured in place when the unit is lifted. The condenser coils should be protected from rigging cable damage with plywood or other suitable material. FRONT LEFT Figure 6: Unit 6 Point Load Weight FRONT LEFT FRONT LEFT Figure 5: Unit 4 Point Load Weight...

  • Page 9: Ja3 Thru A4Zj Physical Dimensions

    5803641-JIM-B-0620 29.75 15.51 29.52 59.00 Ø 25.31 See detail A for gas inlet 11 3/8 See detail B for drain location LEFT 4 3/16 FRONT 21 3/16 27 5/16 Figure 8: JA3 thru A4ZJ Physical Dimensions Johnson Controls Ducted Systems...

  • Page 10: Ja5Zj Physical Dimensions

    5803641-JIM-B-0620 29.69 15.25 15.38 59.00 15.38 2X Ø 24.38 SEE DETAIL A FOR GAS INLET 11.38 SEE DETAIL B 59.00 4.19 FOR DRAIN LOCATION LEFT 27.31 21.19 89.00 FRONT Figure 9: JA5ZJ Physical Dimensions Johnson Controls Ducted Systems...

  • Page 11: Ja3 Thru A5Zj Unit Physical Dimensions

    5803641-JIM-B-0620 Table 4: JA3 thru A5ZJ Unit Physical Dimensions Dimension (in.) Unit Model Number JA3ZJ 22 1/8 18 3/16 15 3/16 6 3/16 JA4ZJ 22 1/8 18 3/16 15 3/16 6 3/16 JA5ZJ 22 1/8 18 3/16 15 3/16 6 3/16 Detail A Detail B 3.184...

  • Page 12: Ja3 Thru A5Zj Unit Bottom Duct Openings

    5803641-JIM-B-0620 32 11/16 6 13/16 6 13/16 RETURN SUPPLY 27 1/2 LEFT RIGHT 20 1/8 19 1/8 17 1/8 12 5/16 Bottom condensate drain 14 1/2 25 9/16 Bottom gas supply entry 16 3/8 18 1/16 FRONT TOP VIEW Bottom power, control and convenience outlet wiring entry 3X Ø...

  • Page 13: Side Duct Dimensions

    5803641-JIM-B-0620 Disconnect Swith Cover Power Entry Ø 2-1/2 Control Entry Ø 7/8 Power Entry Ø 2-1/2 Convenience Outlet Cover Convenience Outlet Power Entry Ø 7/8 FRONT Figure 11: JA3 thru A5ZJ Unit Electrical Entry 1 8 - 1 /4 D o t P l u g s Return Supply Air 2 - 3 1 /3 2...

  • Page 14: Left/End Duct Dimensions

    5803641-JIM-B-0620 4-5/16 Figure 13: JA3 thru A5ZJ Unit Left/End Duct Opening Table 7: Left/End Duct Dimensions Dimension (in.) Unit Model Number JA3ZJ 30.357 13.365 22.516 JA4ZJ 30.357 13.365 22.516 JA5ZJ 30.357 13.365 22.516 RIGHT 80-5/8 INSULATED DECK UNDER CONDENSER SECTION SUPPLY RETURN 2 TYP.

  • Page 15: Ductwork

    5803641-JIM-B-0620 2 TYP 23 4 30-1/2 50-1/2 80-5/8 RETURN SUPPLY 76-5/8 59-1/4 FRONT RIGHT 64-1/4 Figure 15: JA3 thru A5ZJ Transition Roof Curb Ductwork painted surface DOWN, facing the down flow duct opening. The supply panel is secured with the bracket (already in place from Ductwork should be designed and sized according to the the factory) and two screws.

  • Page 16: Side Panels

    5803641-JIM-B-0620 Condensate Drain The side condensate drain is reversible and maybe re-oriented to the rear of the cabinet to facilitate condensate piping. A condensate drain connection is available through the base pan for piping inside the roof curb. Trap the connection per Figure 20. The trap and drain lines should be protected from freezing.

  • Page 17: Filters

    5803641-JIM-B-0620 Exposure, even if immediately cleaned up, may cause 208/230-3-60 and 380/415-3-50 units control embrittlement (leading to cracking) to occur in one year transformers are factory wired for 230v and 415v power or more. When performing any service that may risk supply respectively.

  • Page 18: Field Wiring Disconnect

    5803641-JIM-B-0620 Power Wiring Detail Units are factory wired for the voltage shown on the unit Power wiring is brought into the unit through the side of the unit nameplate. Refer to Electrical Data Table 9 to size power or the basepan inside the curb. wiring, fuses, and disconnect switch.

  • Page 19: Control Wire Sizes

    5803641-JIM-B-0620 Thermostat Wiring unit. Refer to Table 8 for control wire sizing and maximum length. The thermostat should be located on an inside wall approximately 56 inch above the floor where it will not be Table 8: Control Wire Sizes subject to drafts, sun exposure or heat from electrical fixtures or Wire Size Maximum Length...

  • Page 20: Electrical Data

    5803641-JIM-B-0620 Table 9: Electrical Data JA3 thru A5ZJ Standard Indoor Blower - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps)
  • Page 21 5803641-JIM-B-0620 JA3 thru A5ZJ Hi Static Indoor Blower - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh...
  • Page 22 5803641-JIM-B-0620 JA3 thru A5ZJ Standard Indoor Blower - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh RLA LRA...
  • Page 23 5803641-JIM-B-0620 JA3 thru A5ZJ Hi Static Blower - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh RLA LRA...

  • Page 24: Physical Data

    5803641-JIM-B-0620 Table 10: Physical Data JA3 thru A5ZJ Two Stage Gas Heat Physical Data Models Component JA3ZJ JA4ZJ JA5ZJ Nominal Tonnage AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (MBh) 36000 48500 59000 AHRI net capacity (MBh) 35000 47000 57000 12.2 12.2...

  • Page 25: Optional Electric Heat

    5803641-JIM-B-0620 JA3 thru A5ZJ Two Stage Gas Heat Physical Data (Continued) Models Component JA3ZJ JA4ZJ JA5ZJ Nominal Tonnage CONDENSER FAN DATA Quantity of fans Fan diameter (Inch) Type Prop Prop Prop Drive type Direct Direct Direct Quantity of motors Motor HP each No.

  • Page 26: Optional Gas Heat

    5803641-JIM-B-0620 Optional Gas Heat These gas-fired heaters have aluminized-steel or optional stainless steel, tubular heat exchangers with spark ignition. OPTIONAL Gas Piping COIL GUARD Proper sizing of gas piping depends on the cubic feet per hour SHOWN of gas flow required, specific gravity of the gas and the length of run.

  • Page 27: Gas Heat Minimum Supply Air

    5803641-JIM-B-0620 Table 13: Gas Heat Minimum Supply Air Supply Air (CFM) Size Model Heat Size Heating (Tons) 2220 2370 1130 1800 2220 2370 1290 2250 2370 1380 2570 1580 2630 Gas Connection The gas supply line can be routed within the space and roof curb, exiting through the unit’s basepan.

  • Page 28: Options/Accessories

    5803641-JIM-B-0620 For satisfactory operation, LP gas pressure must be 10.5 inch electric heaters are fused and intended for use with single point W.C. at the unit under full load. Maintaining proper gas power supply. pressure depends on three main factors: Smoke Detectors The vaporization rate which depends on the temperature of the liquid and the “wetted surface”...

  • Page 29: Economizer Sequences

    5803641-JIM-B-0620 the assembly. Field installed Motorized Outdoor Damper Free Cooling accessories include complete instructions for installation. Four types of free cooling options are available: dry bulb changeover, single enthalpy, dual enthalpy changeover, and Economizer Auto. The Economizer can be a factory installed option or a field installed accessory.

  • Page 30: Power Exhaust

    5803641-JIM-B-0620 In free cooling, with a thermostat input to Y1, the dampers If at any time the economizer output goes above the minimum modulate to control the supply air temperature to the position the timer stops and resets when the economizer output Economizer Setpoint +/- 1°F (default 55°F).

  • Page 31: Smart Equipment™ Economizer Board Details

    5803641-JIM-B-0620 Figure 25: SE-ECO1001-0 Economizer Controller Table 14: Smart Equipment™ Economizer Board Details Board Cover Description Function & Comments Label Label Directional orientation: viewed with the center text of the cover label upright ANALOG INPUTS Terminal at left on upper edge of economizer board 24 VAC common/0-10 VDC negative for Connects through circuit trace to 24V~ IN pin COM economizer actuator position feedback...
  • Page 32 5803641-JIM-B-0620 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label EconCtrlr parameter reports UCB-to-economizer board SA BUS communication status. Positive of the VDC (typically, a fluctuating 1.5 to 3.5 volts reading to C; at least 0.25 volts lower –...
  • Page 33 5803641-JIM-B-0620 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24 VAC hot connection to power the economizer board. 24 VAC transformer HOT Connects through circuit traces to R/24V~ terminals and pins distributed on the economizer board. ANALOG INPUTS Terminal on lower edge of economizer board 24 VAC hot supplied for the outdoor air 24V~...

  • Page 34: Supply Air Limitations

    5803641-JIM-B-0620 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24 VAC common/0-5 VDC negative for the Connects through circuit trace to 24V~ IN pin COM building pressure sensor BINARY INPUTS at right on lower edge of economizer board Purge parameter reports input status (False with 0 VAC input- True with 24 VAC input).

  • Page 35: Altitude/Temperature Correction Factors

    5803641-JIM-B-0620 Belt Tension The tension on the belt should be adjusted as shown in Figure 26. Procedure for 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 span as shown.

  • Page 36: Altitude/Temperature Correction Factors

    5803641-JIM-B-0620 1.100 1.050 1.000 Sea Level 0.950 1000 ft 0.900 2000 ft 3000 ft 0.850 4000 ft 0.800 5000 ft 6000 ft 0.750 7000 ft 8000 ft 0.700 9000 ft 10000 ft 0.650 0.600 Air Temperature (ºF) Figure 27: Altitude/Temperature Correction Factors The examples below will assist in determining the airflow blower tables to select the blower speed and the BHP performance of the product at altitude.
  • Page 37 5803641-JIM-B-0620 Drive Selection Determine side or bottom supply duct Application. Determine desired airflow. Calculate or measure the amount of external static pressure. Using the operating point determined from steps 1, 2 & 3, locate this point on the appropriate supply air blower performance table.

  • Page 38: Airflow Performance

    5803641-JIM-B-0620 Airflow Performance Table 17: Airflow Performance - Side Duct Application JA3ZJ (3.0 Ton) Side Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 1.5 HP &...

  • Page 39: Airflow Performance - Bottom Duct Application

    5803641-JIM-B-0620 Table 18: Airflow Performance - Bottom Duct Application JA3ZJ (3.0 Ton) Bottom Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 1.5 HP &...

  • Page 40: Air Balance

    5803641-JIM-B-0620 Table 19: RPM Selection Size Motor Blower 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Fully Model (Tons) Sheave Sheave Open Open Open Open Open Open Closed 1VP34 AK69 1VL44 AK69 1008 1062 1VP34 AK56 1VL44 AK56 1062...

  • Page 41: Dry Coil Delta P

    5803641-JIM-B-0620 Select the correct blower performance table for the unit from Tables 17 and 18. Tables are presented for side and down flow configuration. Determine the unit Measured CFM from the Blower Failure to properly adjust the total system air quantity Performance Table, External Static Pressure and the can result in extensive blower damage.

  • Page 42: Motor Sheave Datum Diameters

    5803641-JIM-B-0620 Supply Air Drive Adjustment EXAMPLE A 4 ton unit was selected to deliver 1,700 CFM with a 1.5 HP motor, but the unit is delivering 1,400 CFM. The variable pitch motor sheave is set at 3 turns open. Before making any blower speed changes review the Use the equation to determine the required DD for the new installation for any installation errors, leaks or undesirable motor sheave,...

  • Page 43: Additional Static Resistance

    5803641-JIM-B-0620 Table 23: Additional Static Resistance Electric Heat kW Size Model CFM Cooling Only Economizer 4” Pleated Filter (Tons) 0.05 -0.05 0.01 0.00 0.00 0.00 0.01 0.01 0.01 1000 0.05 -0.03 0.02 0.00 0.00 0.00 0.02 0.02 0.02 1100 0.04 -0.02 0.03 0.01...

  • Page 44: Operation

    5803641-JIM-B-0620 Operation If the outdoor air enthalpy is above the setpoint, “Y1” energizes the compressor and condenser fan motor only. Cooling Sequence Of Operation Once the thermostat has been satisfied, it will de-energize “Y1”. If the compressor has satisfied its minimum run time, the For the J**ZJ series of units, the thermostat makes a circuit compressor and condenser fan are de-energized.

  • Page 45: Electric Heating Sequence Of Operations

    5803641-JIM-B-0620 (Anti-short cycle delay), and stop the condenser fans. If the call compressor. If the call for cooling is still present at the end of for cooling is still present at the conclusion of the ASCD, the the ASCD and the and the evaporator temperature sensor UCB will re-energize the halted compressor.

  • Page 46: Electric Heat Operation Errors

    5803641-JIM-B-0620 specified fan on delay for heating, the UCB will energize Table 24: Electric Heat Limit Setting the blower motor. LIMIT b The thermostat will cycle the electric heat to satisfy the HEATER UNIT (TONS) VOLTAGE SWITCH heating requirements of the conditioned space. OPENS °F Electric Heat Operation Errors JA3ZJ (3)

  • Page 47: Gas Heating Sequence Of Operations

    5803641-JIM-B-0620 Gas Heating Sequence Of Operations Recycle Operation When a flame is lost after the flame stabilization period, a recy- When the thermostat calls for the first stage of heating, the low- cle operation occurs. If the unit fails after five recycle attempts, voltage control circuit from “R”...

  • Page 48: Start-Up (Cooling)

    5803641-JIM-B-0620 the UCB will de-energize the indoor blower following the elapse Internal Microprocessor Failure of the fan off delay for heating. If the ICB detects an internal failure, it will cease all outputs, If voltage has been sensed at the GV for at least 15 seconds ignore inputs, and display the proper flash code for control during the fan on delay for heating and GV voltage or “W1”...

  • Page 49: Start-Up (Gas Heat)

    5803641-JIM-B-0620 NOTE: Prior to each cooling season, the crankcase heaters must be energized at least 10 hours before the system is put into operation. Set the room thermostat setting to lower than the room FIRE OR EXPLOSION HAZARD temperature. Failure to follow the safety warning exactly could result in serious injury, death or property damage.

  • Page 50: Gas Rate Cubic Feet Per Hour

    5803641-JIM-B-0620 To determine the rate of gas flow (First Stage) NOTE: To find the Btu input, multiply the number of cubic feet of gas consumed per hour by the Btu content of the gas Turn off all other gas appliances connected to the gas in your particular locality (contact your gas company for meter.

  • Page 51: Charging The Unit

    5803641-JIM-B-0620 Table 28: Gas Heat Stages Unit 2nd Stage Total # of Burner 1st Stage HEAT EXCHANGER TUBE Input Input Size Opt. Tubes Input (Mbh) (Mbh) (Mbh) SUPPLY PIPE BURNER BURNER FLAME (BLUE ONLY) BURNER BRACKET IGNITOR Figure 29: Typical Flame MATE-N-LOCK HIGH &...

  • Page 52: Smart Equipment™ Ucb Details

    5803641-JIM-B-0620 THERMOSTAT WIRED HERE SD-24 Figure 31: Unit Control Board Table 29: Smart Equipment™ UCB Details Description Function & Comments Terminal Directional orientation: viewed with silkscreen labels upright Limit, 24 VAC power and shutdown connections from unit wiring harness at left on upper edge of UCB Monitored 24 VAC input through heat section limit If voltage is absent, indicating the heat section is over- LIMIT...
  • Page 53 5803641-JIM-B-0620 Table 29: Smart Equipment™ UCB Details (Continued) Description Function & Comments Connects through circuit trace to the thermostat connection 24 VAC hot for switched inputs to the UCB strip R terminal, right FAN OVR pin, right HPS1 pin, right HPS2 pin, lower DFS pin and lower APS pin Terminal Thermostat connection strip on left edge of UCB 1st stage heating request, 24 VAC input switched...
  • Page 54 5803641-JIM-B-0620 Table 29: Smart Equipment™ UCB Details (Continued) Description Function & Comments Input required for operation; 3.625 VDC reading SAT+ to SAT– Supply Air Temperature sensor input from 10KΩ with open circuit. Used in heat/cool staging cutouts, free cooling SAT+ @ 77°F, Type III negative temperature coefficient operation, demand ventilation operation, comfort ventilation thermistor...
  • Page 55 5803641-JIM-B-0620 Table 29: Smart Equipment™ UCB Details (Continued) Description Function & Comments Output is active with indoor blower operation. For CV units: this output provides stepped IntelliSpeed control of the indoor 2-10 VDC (0-100%) output for the indoor blower blower VFD based on fan-only, cooling stage and heating stage Variable Frequency Drive outputs.
  • Page 56 5803641-JIM-B-0620 Table 29: Smart Equipment™ UCB Details (Continued) Description Function & Comments Input is only considered after 30 seconds of C1 output; LPS1 24 VAC hot return from refrigerant circuit 1 Low afterwards, input must be present to allow C1 output. Three (left pin) Pressure Switch LPS1 trips in a one hour period cause a “Low Pressure Switch 1...
  • Page 57 5803641-JIM-B-0620 Table 29: Smart Equipment™ UCB Details (Continued) Description Function & Comments Button for display menu navigation and zeroing of CANCEL active compressor ASCD timer 4-way Joystick for display menu navigation Item USB connector at right of UCB Used for backup, restoration, & copying of board parameters as Type A female Universal Serial Bus connector well as board software updating through a flash drive Factory wired SA Bus connector...

  • Page 58: Cable For Fc Buses And Sa Buses In Order Of Preference . 58 31 Ignition Control Flash Codes

    5803641-JIM-B-0620 Table 30: Cable for FC Buses and SA Buses in Order of Preference Non-Plenum Applications Plenum Applications Bus and Cable Type Part Number O.D. Part Number O.D. Anixter: Anixter: CBL-22/3-FC-PLN CBL-22/3-FC-PVC 0.138 in. 0.140 in. FC Bus: 22 AWG Stranded, 3-Wire Twisted Shielded Cable Belden: B6501FE Belden®: B5501FE Anixter:...

  • Page 59: Start-Up Sheet

    5803641-JIM-B-0620 Start-Up Sheet Johnson Controls Ducted Systems...
  • Page 60 5803641-JIM-B-0620 Johnson Controls Ducted Systems...
  • Page 61 5803641-JIM-B-0620 Johnson Controls Ducted Systems...
  • Page 62 5803641-JIM-B-0620 Johnson Controls Ducted Systems...
  • Page 63 5803641-JIM-B-0620 Johnson Controls Ducted Systems...

  • Page 64: 5803641-Jim-B-0620

    Subject to change without notice. Printed in U.S.A. 5803641-JIM-B-0620 Copyright © 2020 by Johnson Controls, Inc. All rights reserved. Supersedes: 5803641-JIM-A-0220 York International Corporation 5005 York Drive Norman, OK 73069...

This manual is also suitable for:

Ja3zjJa4zjJa5zj

Table of Contents