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R-410A
ZJ SERIES
6-1/2 - 12-1/2 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . 34
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . 36
Economizer Interface Overview . . . . . . . . . . . . . . . . . . . . 37
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 30
11 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . 31
12 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . 32
14 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
15 Altitude/Temperature Correction Factors . . . . . . . . . . . . 41
16 Airflow Performance - Side Duct Application . . . . . . . . . 43
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
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Component Location (ZJ120 Shown) . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZJ078-120 Physical Dimensions . . . . . . . . . . . . . . . . . . . 9
9 ZJ150 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 10
10 ZJ078-150 Unit Bottom Duct Openings . . . . . . . . . . . . . 12
11 ZJ078-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . 13
12 ZJ078-120 Unit Side Duct Openings . . . . . . . . . . . . . . . 13
13 ZJ150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . 14
14 ZJ078-150 Unit Left Duct Opening . . . . . . . . . . . . . . . . 14
15 ZJ078-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 ZJ078-150 Transition Roof Curb . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . 16
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . 16
19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . 16
TABLE OF CONTENTS
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 50
No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 53
Electric Heating Sequence Of Operations . . . . . . . . . . . . 54
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 54
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 55
Ignition Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 55
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Unit Control Board Option Setup . . . . . . . . . . . . . . . . . . . . . . 62
Option Byte Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Heat Delay Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
LIST OF TABLES
17 Airflow Performance - Bottom Duct Application . . . . . . . 45
18 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
19 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . 47
20 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 47
21 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . 49
22 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 50
23 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . 54
24 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . 55
25 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . 56
26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 57
27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . 59
28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
29 Unit Control Board Flash Codes . . . . . . . . . . . . . . . . . . . 61
30 Heat Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . 63
32 VAV Control Board Flash Codes . . . . . . . . . . . . . . . . . . 63
LIST OF FIGURES
20 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Heat and All Units With VFD Option . . . . . . . . . . . . . . . 18
Without VFD Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
23 Typical Electronic Thermostat Field Wiring . . . . . . . . . . 19
24 Typical Field Wiring 24 Volt Thermostat . . . . . . . . . . . . 19
25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 31
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . 31
27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 36
28 Economizer LCD and Keypad Layout. . . . . . . . . . . . . . . 37
29 Single Enthalpy Curve And Boundaries . . . . . . . . . . . . . 38
30 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
31 Altitude/Temperature Correction Factors . . . . . . . . . . . . 41
32 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
33 Occupied Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
34 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
35 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
36 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
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Table of Contents
Related Manuals for York Predator ZJ Series
Summary of Contents for York Predator ZJ Series
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Page 1: Table Of Contents
R-410A ZJ SERIES 6-1/2 - 12-1/2 Ton 60 Hertz TABLE OF CONTENTS General ......... . 2 Checking Air Quantity . -
Page 2: General
860614-YIM-D-0614 General ® ® York Predator units are single package air conditioners with optional gas heating designed for outdoor installation on a Before performing service or maintenance operations on rooftop or slab and for non-residential use. These units can be unit, turn off main power switch to unit. - Page 3 If damage is evident, the extent of the Renewal Parts damage should be noted on the carrier’s freight bill. A separate ® Contact your local York parts distribution center for authorized request for inspection by the carrier’s agent should be made in replacement parts.
- Page 4 102 = 8.5 Ton Simplicity IntelliComfort II Controller w/Simplicity®LINC 120 = 10.0 Ton 150 = 12.5 Ton York Commercial Comfort System (YCCS) Rtu Controller Hot Gas Bypass (Standard on VAV, Optional on CV) IntelliSpeed with VFD Heat Type and Nominal Heat Capacity...
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Page 5: Installation
860614-YIM-D-0614 Installation Remove the toolless doorknobs and instruction packet prior to installation. Installation Safety Information Condenser Read these instructions before continuing this appliance Coil External installation. This is an outdoor combination heating and cooling Protective unit. The installer must assure that these instructions are made Covering available to the consumer and with instructions to retain them Barometric... -
Page 6: Predator ® Component Location (Zj120 Shown)
Roof efficient operation curbs for transitioning from Compressor #1 access Side entry power York Sunline™ footprint to Toolless (high-efficiency compressor and control wiring the ZJ Series footprints door latch w/crankcase heater) knockouts... -
Page 7: Location
If a unit is to be installed on a roof curb other than a ® varnishes, hydrochloric acid, cements and glues, York roof curb, gasketing must be applied to all antistatic fabric softeners for clothes dryers, masonry surfaces that come in contact with the unit underside. -
Page 8: Weights And Dimensions
860614-YIM-D-0614 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: Zj078-150 Unit Accessory Weights
860614-YIM-D-0614 Table 3: ZJ078-150 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: Zj150 Physical Dimensions
860614-YIM-D-0614 28.86 29.66 44.09 15.23 14.85 29.03 29.03 14.85 Ø 24.58 TYP. 4 PL. 15.23 See detail A for gas inlet 11 3/8 See detail B for drain location 21 3/16 LEFT 4 3/16 FRONT 27 5/16 Figure 9: ZJ150 Physical Dimensions Johnson Controls Unitary Products... -
Page 11: Zj078-150 Unit Physical Dimensions
860614-YIM-D-0614 Table 4: ZJ078-150 Unit Physical Dimensions Dimension (in.) Unit Model Number ZJ078 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 ZJ090 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 ZJ102 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 ZJ120... -
Page 12: Zj078-150 Unit Bottom Duct Openings
860614-YIM-D-0614 32 11/16 6 13/16 6 13/16 SUPPLY RETURN 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: Zj078-150 Unit Electrical Entry
860614-YIM-D-0614 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: ZJ078-150 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
860614-YIM-D-0614 Dot Plugs 18-1/4 5-5/32 2-7/8 31-5/8 Figure 13: ZJ150 Unit Side Duct Openings Table 6: Side Duct Dimensions Dimension (in.) Unit Model Number ZJ078 28 1/4 18 1/16 28 1/4 18 1/4 ZJ090 28 1/4 18 1/16 28 1/4 18 1/4 ZJ102 28 1/4... -
Page 15: Ductwork
860614-YIM-D-0614 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: ZJ078-150 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 Figure 16: ZJ078-150 Transition Roof Curb Ductwork... -
Page 16: Condensate Drain
860614-YIM-D-0614 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: Filters
Procedures which risk oil leakage include, but are not limited to, disconnects are available. If installing a disconnect (field compressor replacement, repairing refrigerant leaks, replacing ® supplied or York International supplied accessory), refer to refrigerant components such as filter drier, pressure switch, Figure 4 for the recommended mounting location. -
Page 18: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat And All Units With Vfd Option
860614-YIM-D-0614 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 8 to size power or the basepan inside the curb. wiring, fuses, and disconnect switch. -
Page 19: Control Wire Sizes
860614-YIM-D-0614 Thermostat Wiring (Not applicable to units with VFD) thermostat to the unit. Refer to Table 7 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 7: Control Wire Sizes subject to drafts, sun exposure or heat from electrical fixtures or Wire Size... -
Page 20: Electrical Data
860614-YIM-D-0614 Table 8: Electrical Data ZJ078-150 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/ Pwr (Tons) (Amps) Size... - Page 21 860614-YIM-D-0614 ZJ078-150 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/ Pwr (Tons) (Amps) Size (Amps) (Amps) RLA LRA...
- Page 22 860614-YIM-D-0614 ZJ078-150 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) (Amps) RLA LRA...
- Page 23 860614-YIM-D-0614 ZJ078-150 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 (Amps) (Amps)
- Page 24 860614-YIM-D-0614 ZJ078-150 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) RLA LRA Model...
- Page 25 860614-YIM-D-0614 ZJ078-150 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) (Amps) RLA LRA...
- Page 26 860614-YIM-D-0614 ZJ078-150 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) (Amps) RLA LRA...
- Page 27 860614-YIM-D-0614 ZJ078-150 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 (Amps) (Amps)
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Page 28: Physical Data
860614-YIM-D-0614 Table 9: Physical Data ZJ078-150 Physical Data Models Component ZJ078 ZJ090 ZJ102 ZJ120 ZJ150 Nominal Tonnage 12.5 AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (Btu) 80000 93000 106000 124000 154000 AHRI net capacity (Btu) 77000 90000 102000 120000 150000 12.2... - Page 29 860614-YIM-D-0614 ZJ078-150 Physical Data (Continued) Models Component ZJ078 ZJ090 ZJ102 ZJ120 ZJ150 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 No.
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Page 30: Optional Electric Heat
860614-YIM-D-0614 Optional Electric Heat These CSA approved heaters are located within the central 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 31: Optional Gas Heat
860614-YIM-D-0614 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 GUARD Temperature Rise range. -
Page 32: Gas Heat Minimum Supply Air
860614-YIM-D-0614 Table 12: 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 33: Options/Accessories
860614-YIM-D-0614 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 34: Optional Variable Air Volume (Vav)
860614-YIM-D-0614 the assembly. Field installed Motorized Outdoor Damper there should be no obstructions, turns or VAV terminal boxes accessories include complete instructions for installation. up- or down-stream of the sensing tube location for at least a distance of 6-10 times the duct diameter. Tubing must also be Economizer run between the 'LOW' pressure tap of the transducer and atmospheric pressure (outside of the unit). - Page 35 860614-YIM-D-0614 call for Differential Demand Ventilation mode for units Factory-installed VFD installed with economizer option. The factory-installed VFD is mounted in the blower access • APS - a 24 VAC binary input provided by a field-installed compartment. The drive comes wired from the factory to include air proving switch which monitors the pressure difference both 3-phase power and control connections (run permit signal, across the indoor blower.
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Page 36: Optional Hot Gas Bypass (Hgbp)
860614-YIM-D-0614 Bas-ready VFD nuts. After removing the wire nuts, connect the wires to the field-installed VFD per the VFD wiring diagram (See Figure 27). Factory-installed VFD is also available with 'BAS-Ready' The VFD should also be grounded per the manufacturer's models. -
Page 37: Economizer Interface Overview
860614-YIM-D-0614 HGBP is standard on all units with VAV and optional with CV Advanced Settings, Checkout tests, and Alarms: units. • Navigate to the desired menu. Economizer Interface Overview • Press the button (Enter) to display the first item in the currently displayed menu. -
Page 38: Single Enthalpy And Dual Enthalpy High Limit Curves
860614-YIM-D-0614 ECONOMIZING DUAL ENTHALPY HIGH LIMIT AVAILABLE NOT AVAILABLE SINGLE ENTHALPY P2 (T,RH) P1 (T,RH) TEMPERATURE Figure 29: Single Enthalpy Curve And Boundaries Table 13: Single Enthalpy and Dual Enthalpy High Limit Curves. Point P1 Point P2 Enthalpy Temp. Temp. Enthalpy Curve Dry-Bulb (°F) -
Page 39: Supply Air Limitations
860614-YIM-D-0614 for Y2 In, the 2-speed fan delay starts and the OA damper will Blower Rotation modulate 100% open, the supply fan should be set to high Check for proper supply air blower rotation. If the blower is speed by the unit controller. After the delay one of two actions rotating backwards, the line voltage at the unit point of power will happen: connection is misphased (See ‘PHASING’). - Page 40 860614-YIM-D-0614 CFM Static Pressure and Power-Altitude and Temperature Corrections The information below should be used to assist in application of Procedure for adjusting belt tension: product when being applied at altitudes at or exceeding 1000 feet above sea level. 1. Loosen six nuts (top and bottom) A. 2.
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Page 41: Altitude/Temperature Correction Factors
860614-YIM-D-0614 Table 15: 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 42: Airflow Performance
860614-YIM-D-0614 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 43: Airflow Performance - Side Duct Application
860614-YIM-D-0614 Table 16: Airflow Performance - Side Duct Application ZJ078 (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 Standard 1.5 HP &... - Page 44 860614-YIM-D-0614 ZJ120 (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 45: Airflow Performance - Bottom Duct Application
860614-YIM-D-0614 Table 17: Airflow Performance - Bottom Duct Application ZJ078 (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 Standard 1.5 HP &... -
Page 46: Rpm Selection
860614-YIM-D-0614 ZJ120 (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 Standard 2 HP & Drive Hi Static 3 HP &... -
Page 47: Air Balance
860614-YIM-D-0614 Table 19: 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 2.6 - 3.6 1VL40 AK74 (6.5) 1725 1.15 3.6 - 4.6 1VM50 AK74... -
Page 48: Dry Coil Delta P
860614-YIM-D-0614 Select the correct blower performance table for the unit from Tables 16 and 17. Tables are presented for side and downflow 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 49: Motor Sheave Datum Diameters
860614-YIM-D-0614 Supply Air Drive Adjustment EXAMPLE 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 50: Operation
860614-YIM-D-0614 Table 22: Additional Static Resistance Electric Heat kW Size Model Cooling Only Economizer 4” Filter (Tons) 1900 0.06 0.02 0.12 0.05 0.06 0.07 0.08 0.10 2100 0.07 0.02 0.13 0.06 0.07 0.08 0.09 0.11 2300 0.08 0.04 0.14 0.07 0.08 0.09 0.10... -
Page 51: No Outdoor Air Options
860614-YIM-D-0614 For units with VFD and VAV control, the unit must first be put The following components are needed to access the control into the Occupied Mode to start operation. The default setting points in the Simplicity® controller. Installation and operation for all VAV units is 'Unoccupied', therefore the installer must guide is located on UPGNET. - Page 52 860614-YIM-D-0614 maintain a constant supply air temperature as monitored by the Control set point plus 5 °F, and the Economizer OAT discharge air sensor. If the outdoor air enthalpy is above the set Enable set point. point, "Y1" energizes compressor #1. •...
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Page 53: Cooling Operation Errors
860614-YIM-D-0614 dampers open; gravity closes the dampers when the exhaust for cooling is still present at the conclusion of the ASCD, the fan is off. UCB will re-energize the halted compressor. Should a freezestat open three times within two hours of Motorized Outdoor Air Dampers operation, the UCB will lock-out the associated compressor and This system operation is the same as the units with no outdoor... -
Page 54: Electric Heating Sequence Of Operations
860614-YIM-D-0614 down the compressor. The UCB incorporates features to If the temperature limit opens three times within one hour, it will minimize compressor wear and damage. An Anti-Short Cycle lock-on the indoor blower motor and a flash code is initiated Delay (ASCD) is utilized to prevent operation of a compressor (See Table 29). -
Page 55: Gas Heating Sequence Of Operations
860614-YIM-D-0614 Electric Heat Anticipator Setpoints second will cause the GV to close and the retry operation to begin. It is important that the anticipator setpoint be correct. Too high of a setting will result in longer heat cycles and a greater At the conclusion of the flame stabilization period, the ICB will temperature swing in the conditioned space. -
Page 56: Gas Heat Limit Control Settings
860614-YIM-D-0614 Flame Sense Auxiliary Limit Switch (ALS) Flame sensing occurs at all times. If “W1” is not present and a This control is located inside the supply air compartment and is flame is sensed for 2 seconds, the draft motor is energized and set to open at the temperature indicated in the Gas Heat Limit the GV is kept off. -
Page 57: Start-Up (Cooling)
860614-YIM-D-0614 Flash Codes Operating Instructions The ICB will initiate a flash code associated with errors within Turn unit electrical power on. the system. Refer to IGNITION CONTROL FLASH CODES NOTE: Prior to each cooling season, the crankcase heaters Table 31. must be energized at least 10 hours before the system is put into operation. -
Page 58: Checking Gas Heat Input
860614-YIM-D-0614 Checking Gas Heat Input Post Start Checklist After the entire control circuit has been energized and the This unit has two stages of gas heat. The first stage is 60% of heating section is operating, make the following checks: the full fire input and is considered the minimum input for the Check for gas leaks in the unit piping as well as the supply furnace. -
Page 59: Gas Rate Cubic Feet Per Hour
860614-YIM-D-0614 Manifold Gas Pressure Adjustment Table 27: Gas Rate Cubic Feet Per Hour Size of Test Dial This gas furnace has two heat stages. Therefore, the gas valve Seconds for One Rev. 1/2 cu. ft. 1 cu. ft. has two adjustment screws located under a plastic protective cover. -
Page 60: Charging The Unit
860614-YIM-D-0614 Adjustment Of Temperature Rise HIGH & LOW GAS ADJUSTMENT 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 9. After the temperature rise has been determined, the CFM can be calculated as follows: INLET... -
Page 61: Unit Control Board Flash Codes
860614-YIM-D-0614 ® Predator Flash Codes equates to the number of flashes, and is shown in the table. Pressing and releasing the LAST ERROR button on the UCB Various flash codes are utilized by the unit control board (UCB) can check the alarm history. The UCB will cycle through the last to aid in troubleshooting. -
Page 62: Unit Control Board Option Setup
860614-YIM-D-0614 Check Alarm History Reset All ASCDs for One Cycle Non Alarm Condition Green LED Flashing Current Alarm Flashed Red LED Figure 36: Unit Control Board Unit Control Board Option Setup Heat Delay Setup • Enter the Option Setup mode by pushing the OPTION Option Byte Setup SETUP / STORE button, and holding it for at least 2 seconds. -
Page 63: Heat Delay
860614-YIM-D-0614 Table 30: Heat Delay Table 32: VAV Control Board Flash Codes Heat Heat Flash Codes Description Fan On Fan Off On Steady This is a Control Failure LED 8 LED 4 LED 2 LED 1 Delay Delay 1 Flash Not Applicable 2 Flashes Loss of Communications with UCB... - Page 64 860614-YIM-D-0614 Cooling Troubleshooting Guide On calls for cooling, the supply air blower motor is operating but compressor #1 is not (the room thermostat fan switch is in the NOTE: For units with optional VFD without manual bypass, the “AUTO” position): M3 contactor has been replaced with an "ice cube"...
- Page 65 860614-YIM-D-0614 out, cancel any call for cooling. This will reset any 16. If none of the above correct the error, replace the UCB. compressor lock outs. On calls for the second stage of cooling, the supply air blower NOTE: While the above step will reset any lockouts, motor and compressor #1 are operating but compressor #2 is compressor #1 may be held off for the ASCD.
- Page 66 860614-YIM-D-0614 remove any call for cooling at the thermostat or by If 24 volts is not present at the C1 terminal, check for 24 disconnecting the thermostat wiring at the Y2 UCB volts from the room thermostat at the UCB Y1 terminal. If terminal.
- Page 67 860614-YIM-D-0614 economizer is not providing free cooling. To test the If M3 is not pulled in, check for 24 volts at the M3 coil. If 24 economizer control, disconnect the Mate-N-Locks and volts is present at M3 but M3 is not pulled in, replace the jumper between the WHITE and YELLOW wires of the contactor.
- Page 68 860614-YIM-D-0614 With the draft motor running, check for 24 volts at the Check to ensure gas is being supplied to the unit. Confirm pressure switch terminal on the ICB. If not present, check that the gas pressure to the unit is within the proper limits for 24 volts on the terminal from the pressure switch.
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Page 69: Start-Up Sheet
Simplicity PC is required to complete the start-up. Simplicity required regarding technical and/or warranty concerns, all parties PC software can be downloaded from www.york.com. to the discussion should have a copy of the equipment start-up sheet for reference. A copy of the original start-up sheet should be A copy of the completed start-up sheet should be kept on file filed with the Technical Services Department. - Page 70 860614-YIM-D-0614 1034349-UCL-A-0313 SAFETY WARNINGS The inspections and recording of data outlined in this procedure are required for start-up of Johnson Controls/UPG's packaged Lethal voltages are present during some start-up products. Industry recognized safety standards and practices checks. Extreme caution must be used at all times. must be observed at all times.
- Page 71 860614-YIM-D-0614 1034349-UCL-A-0313 REFERENCE General Inspection Completed See Notes Unit inspected for shipping, storage, or rigging damage Unit installed with proper clearances Unit installed within slope limitations Refrigeration system checked for gross leaks (presence of oil) Terminal screws and wiring connections checked for tightness Filters installed correctly and clean Economizer hoods installed in operating position Condensate drain trapped properly, refer to Installation Manual...
- Page 72 860614-YIM-D-0614 1034349-UCL-A-0313 Operating Measurements - Air Flow Fan operates with proper rotation ID Fans Exh. Fans Cond. Fans Pressure drop across dry evaporator coil (At maximum design CFM) External Static Pressure Return Static Pressure Supply Static Pressure Supply Air CFM Using Dry Coil Chart Final Adjusted Supply Air CFM 1.
- Page 73 860614-YIM-D-0614 1034349-UCL-A-0313 OPERATING MEASUREMENTS - COOLING Discharge Discharge Liquid Line Suction Suction Stage Subcooling Superheat Pressure Temp. Temp. Pressure Temp. First ° ° ° ° ° Second (if equipped) ° ° ° ° ° Third (if equipped) ° ° ° °...
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________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ Subject to change without notice. Printed in U.S.A. 860614-YIM-D-0614 Copyright © 2014 by Johnson Controls, Inc. All rights reserved. Supersedes: 860614-YIM-C-1213 York International Corporation 5005 York Drive Norman, OK 73069...