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R-410A
J**ZF SERIES W/SMART EQUIPMENT™
6-1/2 - 12-1/2 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . . . . 35
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . . . 37
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Dry Bulb Changeover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1 J06 thru 12ZF Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 J06 thru 12ZF Unit Accessory Weights . . . . . . . . . . . . . . . . . . 9
4 J06 thru 12ZF Unit Physical Dimensions . . . . . . . . . . . . . . . . 11
5 J06 thru 12ZF Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10 J06 thru 12ZF Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . 29
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 31
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 32
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . . 33
14 Smart Equipment™ Economizer Board Details . . . . . . . . . . . 39
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . . 44
17 Airflow Performance - Side Duct Application . . . . . . . . . . . . . 46
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Component Location (J10ZFShown) . . . . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 J06 thru 10ZF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9 J12ZF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 J06 thru 12ZF Unit Bottom Duct Openings . . . . . . . . . . . . . 12
11 J06 thru 12ZF Unit Electrical Entry . . . . . . . . . . . . . . . . . . . 13
12 J06 thru 10ZF Unit Side Duct Openings . . . . . . . . . . . . . . . 13
13 J12ZF Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . 14
14 J06 thru 12ZF Unit Left Duct Opening . . . . . . . . . . . . . . . . 14
15 J06 thru 12ZF Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 J06 thru 12ZF Transition Roof Curb . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . 16
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . 16
TABLE OF CONTENTS
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Exhaust. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Air Balance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electric Heating Sequence Of Operations . . . . . . . . . . . . . . . . 56
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 56
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 57
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 58
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . . 62
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
LIST OF TABLES
18 Airflow Performance - Bottom Duct Application . . . . . . . . . . 48
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 50
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 50
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 52
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 53
24 Electric Heat Limit Setting 50" Cabinet . . . . . . . . . . . . . . . . . 56
25 Electric Heat Limit Setting 42" Cabinet . . . . . . . . . . . . . . . . . 57
26 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 57
27 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . . 58
28 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 59
29 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 61
30 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
31 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 63
33 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 69
LIST OF FIGURES
19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
20 Save Side Panels For Economizer Hood Tops . . . . . . . . . . 16
21 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Heat and All Units With VFD Option . . . . . . . . . . . . . . . . . . . 18
VFD Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
24 Typical Electronic Thermostat Field Wiring . . . . . . . . . . . . . 20
25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5464599-JIM-B-0518
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Related Manuals for York J ZF Series
Summary of Contents for York J ZF Series
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Page 1: Table Of Contents
R-410A J**ZF SERIES W/SMART EQUIPMENT™ 6-1/2 - 12-1/2 Ton 60 Hertz TABLE OF CONTENTS General ..........2 Dual Enthalpy Changeover . -
Page 2: General
5464599-JIM-B-0518 General Johnson Controls Series 10 J**ZF 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 5464599-JIM-B-0518 Wear safety glasses and work gloves. Use quenching cloth and • Gas Heat High Altitude Kit (Natural Gas) have a fire extinguisher available during brazing operations. • Gas Heat High Altitude Kit (Propane) • –60F Gas Heat Kit Inspection •...
- Page 4 5464599-JIM-B-0518 Nomenclature ® 6.5-12.5 Ton Johnson Controls Model Number Nomenclature J10 ZF C A 2 A 1 Product Generation Nominal Cooling Capacity 1 = First Generation 2 = Second Generation J06 = 6.5 Ton J07 = 7.5 Ton J08 = 8.5 Ton Cabinet Options J10 = 10.0 Ton J12 = 12.5 Ton...
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Page 5: Condenser Covering
5464599-JIM-B-0518 Remove the condenser coil external protective covering Installation 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
5464599-JIM-B-0518 If components are to be added to a unit to meet local codes, Limitations 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
5464599-JIM-B-0518 Table 1: J06 thru 12ZF Unit Limitations Unit Limitations Size Model Unit Voltage Applied Voltage Outdoor DB Temp (Tons) Max (°F) 208/230-3-60 460-3-60 (6.5) 575-3-60 208/230-3-60 460-3-60 (7.5) 575-3-60 208/230-3-60 460-3-60 (8.5) 575-3-60 208/230-3-60 460-3-60 (10) 575-3-60 208/230-3-60 460-3-60 (12.5) 575-3-60 Location... -
Page 8: Weights And Dimensions
5464599-JIM-B-0518 Before lifting, make sure the unit weight is distributed equally on the rigging cables so it will lift evenly. Units may be moved or lifted with a forklift. Slotted openings in the base rails are provided for this purpose. LENGTH OF FORKS MUST BE A MINIMUM OF 60 INCHES. -
Page 9: J06 Thru 12Zf Unit Accessory Weights
5464599-JIM-B-0518 Table 3: J06 thru 12ZF Unit Accessory Weights Weight (lbs.) Unit Accessory Shipping Operating Economizer Power Exhaust Electric Heat Gas Heat Variable Frequency Drive 1. Weight given is for the maximum heater size available (54KW). 2. Weight given is for the maximum number of tube heat exchangers available (8 tube). -
Page 10: J12Zf
5464599-JIM-B-0518 45.64 14.92 4X Ø 24.38 14.92 58.09 14.92 29.95 30.11 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: J12ZF Johnson Controls Ducted Systems... -
Page 11: J06 Thru 12Zf Unit Physical Dimensions
5464599-JIM-B-0518 Table 4: J06 thru 12ZF Unit Physical Dimensions Dimension (in.) Unit Model Number J06ZF 22 1/8 18 3/16 15 3/16 6 3/16 J07ZF 22 1/8 18 3/16 15 3/16 6 3/16 J08ZF 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 J10ZF 50 3/4... -
Page 12: Top View
5464599-JIM-B-0518 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: J06 Thru 12Zf Unit Electrical Entry
5464599-JIM-B-0518 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: J06 thru 12ZF 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: Side Duct Dimensions
5464599-JIM-B-0518 Dot Plugs 18-1/4 5-5/32 2-7/8 31-5/8 Figure 13: J12ZF Unit Side Duct Openings Table 6: Side Duct Dimensions Dimension (in.) Unit Model Number J06ZF 27 3/4 12 1/16 27 1/2 J07ZF 27 3/4 12 1/16 27 1/2 J08ZF 28 1/4 18 1/16 28 1/4 18 1/4... -
Page 15: Ductwork
5464599-JIM-B-0518 RIGHT 80-5/8 INSULATED DECK UNDER CONDENSER SECTION SUPPLY RETURN 2 TYP. 50-1/2 INSULATED DECK UNDER COMPRESSOR SECTION FRONT 8 or 14 Figure 15: J06 thru 12ZF Roof Curb 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... -
Page 16: Side Panels
5464599-JIM-B-0518 Duct Covers Units are shipped with the side duct openings covered and a covering over 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. -
Page 17: Compressors
5464599-JIM-B-0518 refrigerant components such as filter drier, pressure switch, metering device or coil. Units are shipped with compressor mountings which are factory-adjusted and ready for operation. 3" Minimum Do not loosen compressor mounting bolts. Filters Two-inch filters are supplied with each unit. One-inch filters may Figure 21: Condensate Drain be used with no modification to the filter racks. -
Page 18: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat And All Units With Vfd Option
5464599-JIM-B-0518 supplied or Johnson Controls supplied accessory), refer to Figure 4 for the recommended mounting location. When connecting electrical power and control wiring to the unit, water-proof connectors must be used so that water or moisture cannot be drawn into the unit during Avoid damage to internal components if drilling holes for normal operation. -
Page 19: Field Wiring Disconnect - Cooling Unit With Gas Heat Without Vfd Option
5464599-JIM-B-0518 CONTACTOR 1M FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 23: Field Wiring Disconnect - Cooling Unit With Gas Heat Without VFD Option Johnson Controls Ducted Systems... -
Page 20: Control Wire Sizes
5464599-JIM-B-0518 unit. Refer to Table 8 for control wire sizing and maximum Thermostat Wiring (Not applicable to units with VFD) 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 appliances. -
Page 21: Electrical Data
5464599-JIM-B-0518 Table 9: Electrical Data J06 thru 12ZF Standard Motor - 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... - Page 22 5464599-JIM-B-0518 J06 thru 12ZF Standard Motor - Without Powered Convenience Outlet (Continued) 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 (Amps)
- Page 23 5464599-JIM-B-0518 J06 thru 12ZF Hi Static Motor - 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/ Pwr (Tons) (Amps) Size (Amps)
- Page 24 5464599-JIM-B-0518 J06 thru 12ZF Hi Static Motor - Without Powered Convenience Outlet (Continued) 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/ Pwr (Tons) (Amps) Size...
- Page 25 5464599-JIM-B-0518 J06 thru 12ZF Standard Motor - 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/ Pwr (Tons) (Amps) Size (Amps) (Amps)
- Page 26 5464599-JIM-B-0518 J06 thru 12ZF Standard Motor - With Powered Convenience Outlet (Continued) 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/ Pwr (Tons) (Amps) Size (Amps)
- Page 27 5464599-JIM-B-0518 J06 thru 12ZF Hi Static Motor - 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/ Pwr (Tons) (Amps) Size (Amps)
- Page 28 5464599-JIM-B-0518 J06 thru 12ZF Hi Static Motor - With Powered Convenience Outlet (Continued) 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/ Pwr (Tons) (Amps) Size...
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Page 29: J06 Thru 12Zf Physical Data
5464599-JIM-B-0518 Table 10: J06 thru 12ZF Physical Data Models Component J06ZF J07ZF J08ZF J10ZF J12ZF Nominal Tonnage 12.5 AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (Mbh) 81000 90000 104000 126000 148000 AHRI net capacity (Mbh) 78000 84000 101000 118000 145000 11.2... - Page 30 5464599-JIM-B-0518 Table 10: J06 thru 12ZF Physical Data (Continued) Models Component J06ZF J07ZF J08ZF J10ZF J12ZF Nominal Tonnage 12.5 CONDENSER FAN DATA Quantity of Fans Fan diameter (Inch) Type Prop Prop Prop Prop Prop Drive type Direct Direct Direct Direct Direct Quantity of motors Motor HP each...
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Page 31: Optional Electric Heat
5464599-JIM-B-0518 These CSA approved heaters are located within the central Optional Electric Heat compartment of the unit with the heater elements extending in The factory-installed heaters are wired for single point power to the supply air chamber. supply. Power supply need only be brought into the single point Fuses are supplied, where required, by the factory. -
Page 32: Optional Gas Heat
5464599-JIM-B-0518 Optional Gas Heat These gas-fired heaters have aluminized-steel or optional stainless steel, tubular heat exchangers with spark ignition. OPTIONAL NOTE: On VAV units, individual VAV boxes must be fully open COIL in heating mode to insure airflow falls within specified Temperature Rise range. -
Page 33: Fire Or Explosion Hazard
5464599-JIM-B-0518 Table 13: Gas Heat Minimum Supply Air Supply Air (CFM) Size Model Heat Size Cooling Heating (Tons) 1950 3250 1950 3250 (6.5) 1950 3250 1950 3250 2250 3750 2250 3750 (7.5) 2250 3750 2250 3750 2550 4250 2550 4250 (8.5) 2550 4250... -
Page 34: Options/Accessories
5464599-JIM-B-0518 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 35: Optional Variable Air Volume (Vav)
5464599-JIM-B-0518 the assembly. Field installed Motorized Outdoor Damper plastic tubing (1/4" diameter) must be field supplied and accessories include complete instructions for installation. installed from the transducer to both the ductwork and to the atmosphere. Connect the tubing from the 'HIGH' pressure tap of Economizer the transducer to a static pressure tap (field supplied) in the supply duct located at a point where constant pressure is... -
Page 36: Elementary Diagram
5464599-JIM-B-0518 vary greatly among manufacturers, horsepower ratings and voltage requirements. Keep in mind that drive manufacturers also require various minimum clearances to allow for adequate internal cooling of the drive during operation. If the unit is operated with the manual bypass switch in the LINE (BYPASS) position and there are VAV boxes The unit comes with a mounting bracket installed in the Blower present in the duct system, then boxes must be driven to... -
Page 37: Optional Hot Gas Bypass (Hgbp)
5464599-JIM-B-0518 A terminal block located in the control box is provided for field If the outside air temperature rises above the RAT plus 10°F, connection of the VFD speed reference signal (2-10 VDC) and free cooling is no longer available. The outside air temperature to the normally-open, run-permit auxiliary contact. -
Page 38: Power Exhaust
5464599-JIM-B-0518 If at any time the economizer output drops below 100% the b. Power Exhaust Enable timer stops and resets when the economizer output returns to c. Modulating Power Exhaust 100%. d. Exhaust VFD Installed Once a compressor output is turned ON, the economizer e. -
Page 39: Smart Equipment™ Economizer Board Details
5464599-JIM-B-0518 Figure 28: 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 40 5464599-JIM-B-0518 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 41 5464599-JIM-B-0518 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~...
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Page 42: Supply Air Limitations
5464599-JIM-B-0518 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 43: Belt Adjustment
5464599-JIM-B-0518 Belt Tension The tension on the belt should be adjusted as shown in Figure 29. 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 44: Altitude/Temperature Correction Factors
5464599-JIM-B-0518 Table 16: Altitude/Temperature Correction Factors Altitude (Ft.) Temp. 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 1.060 1.022 0.986 0.950 0.916 0.882 0.849 0.818 0.788 0.758 0.729 1.039 1.002 0.966 0.931 0.898 0.864 0.832 0.802 0.772 0.743 0.715 1.019 0.982... - Page 45 5464599-JIM-B-0518 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.
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Page 46: Airflow Performance - Side Duct Application
5464599-JIM-B-0518 Airflow Performance Table 17: Airflow Performance - Side Duct Application J06ZF (6.5 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 Field Supplied Drive Standard 1.5 HP &... - Page 47 5464599-JIM-B-0518 J10ZF (10 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 Field Supplied Drive Standard 2 HP & Drive Hi Static 3 HP &...
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Page 48: Airflow Performance - Bottom Duct Application
5464599-JIM-B-0518 Table 18: Airflow Performance - Bottom Duct Application J06ZF (6.5 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 Field Supplied Drive Standard 1.5 HP &... -
Page 49: Rpm Selection
5464599-JIM-B-0518 J10ZF (10 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 Field Supplied Drive Standard 2 HP & Drive Hi Static 3 HP &... -
Page 50: Air Balance
5464599-JIM-B-0518 Table 20: Indoor Blower Specifications Motor Motor Sheave Blower Sheave Size Model Datum Dia. Datum Dia. Belt (Tons) Eff. Frame Bore (in.) Model Bore (in.) Model (in.) (in.) 1-1/2 1725 1.15 3.4 - 4.4 1VM50 AK74 (6.5) 1725 1.15 3.4 - 4.4 1VM50 AK64... -
Page 51: Dry Coil Delta P
5464599-JIM-B-0518 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 52: Motor Sheave Datum Diameters
5464599-JIM-B-0518 EXAMPLE Supply Air Drive Adjustment A 12.5 ton unit was selected to deliver 4,000 CFM with a 3 HP motor, but the unit is delivering 3,800 CFM. The variable pitch motor sheave is set at 2 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 53: Operation
5464599-JIM-B-0518 Table 23: Additional Static Resistance Electric Heat kW Size Model Cooling Only Economizer 4” Filter (Tons) 1900 0.00 0.07 0.10 0.05 0.06 0.07 0.08 0.10 2100 -0.01 0.09 0.11 0.06 0.07 0.08 0.09 0.11 2300 -0.01 0.11 0.12 0.07 0.08 0.09 0.10... - Page 54 5464599-JIM-B-0518 second stage cooling output is valid as long as all safeties and VAV Supply Air Temp Reset Set point (default 72° F) time-delays allow a C2 output for cooling. The C2 relay on the When the Return Air Temp (RAT) is above the "VAV Supply Air UCB will close and send 24v to the M2 relay starting the second Temp Reset Set point"...
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Page 55: Cooling Operation Errors
5464599-JIM-B-0518 discharge air sensor. If the outdoor air enthalpy is above the set • MAP Gateway Quick Start Guide P/N 24-10737-16 point, "Y1" energizes compressor #1. • MAP Gateway Instruction P/N 24-10737-8 When the thermostat calls for "second-stage" cooling, the low High-Pressure Limit Switch voltage control circuit from "R"... -
Page 56: Electric Heating Sequence Of Operations
5464599-JIM-B-0518 thermostat is calling for cooling, the UCB will operate in the low ambient mode. Low ambient mode operates the compressors in this manner: 10 minutes on, 5 minutes off. The indoor blower is operated For units with VFD and electric heat, the speed of the throughout the cycle. -
Page 57: Gas Heating Sequence Of Operations
5464599-JIM-B-0518 Gas Heating Sequence Of Operations Table 24: Electric Heat Limit Setting 50” Cabinet LIMIT HEATER UNIT (TONS) VOLTAGE SWITCH OPENS °F J08, J10, J12ZF For units with VFD and gas heat, the speed of the indoor (8.5, 10, 12.5) blower motor continues to be controlled by duct static pressure via the VAV control board. -
Page 58: Gas Heating Operation Errors
5464599-JIM-B-0518 Retry Operation Gas Valve When a flame is lost or is not detected during an attempt to The UCB and ICB continuously monitor the GV. achieve ignition, a retry operation occurs. A 30-second purge is If the ICB senses voltage at the GV when not requested, the performed between ignition attempts. -
Page 59: Start-Up (Cooling)
5464599-JIM-B-0518 conditioned space. Refer to Table 28 for the required gas heat Table 27: Gas Heat Limit Control Settings anticipator setting. J07ZF Table 28: Gas Heat Anticipator Setpoints J08ZF SETTING, AMPS J10ZF 0.65 J12ZF Start-Up (Cooling) 1. Roll-out = 300°F, Auxiliary Limit = 200°F. Prestart Check List The ICB monitors the Pressure and Roll-out switches of gas After installation has been completed:... -
Page 60: Checking Gas Heat Input
5464599-JIM-B-0518 Make sure that the vent outlet and combustion air inlet are Turn “OFF” all electric power to unit. free of any debris or obstruction. Open gas heat access panel. Turn gas valve clockwise to “OFF” position (See Figure 33). Operating Instructions Checking Gas Heat Input This unit has two stages of gas heat. -
Page 61: Gas Rate Cubic Feet Per Hour
5464599-JIM-B-0518 Manifold Gas Pressure Adjustment Table 29: Gas Rate Cubic Feet Per Hour This gas furnace has two heat stages. Therefore, the gas valve Size of Test Dial Seconds for has two adjustment screws located under a plastic protective One Rev. 1/2 cu. -
Page 62: Charging The Unit
5464599-JIM-B-0518 Adjustment Of Temperature Rise MATE-N-LOCK HIGH & LOW GAS ADJUSTMENT CONNECTORS The temperature rise (the difference of temperature between the return air and the heated air from the furnace) must lie within the range shown on the CSA rating plate and the data in Table 10. After the temperature rise has been determined, the CFM can INLET PRESSURE... -
Page 63: Smart Equipment™ Ucb Details
5464599-JIM-B-0518 THERMOSTAT WIRED HERE SD-24 Figure 34: Unit Control Board Table 31: 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 64 5464599-JIM-B-0518 Table 31: Smart Equipment™ UCB Details (Continued) Description Function & Comments Terminal Thermostat connection strip on left edge of UCB 1st stage heating request, 24 VAC input switched Not effective for cooling-only units from R 2nd stage heating request, 24 VAC input switched Not effective for cooling-only units or units with single-stage from R heat sections...
- Page 65 5464599-JIM-B-0518 Table 31: Smart Equipment™ UCB Details (Continued) Description Function & Comments Input required for operation; 3.625 VDC reading RAT+ to RAT– Return Air Temperature sensor input from 10KΩ with open circuit. Used in return air enthalpy calculation. RAT+ @ 77°F, Type III negative temperature coefficient Substitutes for space temperature if no other space thermistor temperature input is present.
- Page 66 5464599-JIM-B-0518 Table 31: Smart Equipment™ UCB Details (Continued) Description Function & Comments Terminal at lower right corner of UCB Output relay circuitry is isolated from other UCB components 24 VAC hot for H1, H2, CN-FAN, AUX HGR, FAN 24V FOR OUTPUTS and the 24 VAC hot source may be from a second transformer C1 and C2 output relay contact switching in the unit...
- Page 67 5464599-JIM-B-0518 Table 31: Smart Equipment™ UCB Details (Continued) Description Function & Comments Not effective for one stage compressor UCBs. Input is only considered if C2 output is needed; input must be present to 24 VAC hot return from refrigerant circuit 2 High allow C1 output.
- Page 68 5464599-JIM-B-0518 Table 31: Smart Equipment™ UCB Details (Continued) Description Function & Comments 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 Optional communication sub-board at center of UCB Terminal FC BUS...
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Page 69: Cable For Fc Buses And Sa Buses In Order Of Preference . 69 33 Ignition Control Flash Codes
5464599-JIM-B-0518 Table 32: 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 70: Start-Up Sheet
5464599-JIM-B-0518 Start-Up Sheet Johnson Controls Ducted Systems... - Page 71 5464599-JIM-B-0518 Johnson Controls Ducted Systems...
- Page 72 5464599-JIM-B-0518 Johnson Controls Ducted Systems...
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- Page 75 Subject to change without notice. Printed in U.S.A. 5464599-JIM-B-0518 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5464599-JIM-A-0118 York International Corporation 5005 York Drive Norman, OK 73069...
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