Table of Contents
R-410A
XP SERIES
6-1/2 - 12-1/2 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 16
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Economizer Interface Overview . . . . . . . . . . . . . . . . . . . . 29
1 XP078-150 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 XP078-150 Unit Accessory Weights . . . . . . . . . . . . . . . . . 9
4 XP078-150 Unit Physical Dimensions . . . . . . . . . . . . . . 10
5 XP078-150 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . 10
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 XP078-150 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . 27
10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 28
12 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
®
Component Location . . . . . . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 XP078-120 Physical Dimensions . . . . . . . . . . . . . . . . . . . 9
9 XP150 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 9
10 XP078-150 Unit Bottom Duct Openings . . . . . . . . . . . . 10
11 XP078-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . 11
12 XP078-120 Unit Side Duct Openings . . . . . . . . . . . . . . . 11
13 XP150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . 12
14 XP078-150 Unit Left Duct Opening . . . . . . . . . . . . . . . . 12
15 XP078-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 13
16 XP078-150 Transition Roof Curb . . . . . . . . . . . . . . . . . . 13
TABLE OF CONTENTS
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 43
Heating Sequence of Operation . . . . . . . . . . . . . . . . . . . . 45
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Unit Control Board Option Setup . . . . . . . . . . . . . . . . . . . . . . 48
Option Byte Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Heat Delay Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
LIST OF TABLES
13 Altitude/Temperature Correction Factors . . . . . . . . . . . . 33
14 Airflow Performance - Side Duct Application . . . . . . . . . 35
15 Airflow Performance - Bottom Duct Application . . . . . . . 37
16 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
17 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . 39
18 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 39
19 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . 41
20 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 42
21 Electric Heat Limit Setting 50" Cabinet . . . . . . . . . . . . . . 46
22 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . 46
23 Unit Control Board Flash Codes . . . . . . . . . . . . . . . . . . . 47
24 Heat Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
LIST OF FIGURES
17 XP078-150 Roof Curb Cut Away . . . . . . . . . . . . . . . . . . 14
18 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . 15
19 Return Downflow Plenum With Panel . . . . . . . . . . . . . . 15
20 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . 15
21 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
22 Field Wiring Disconnect - Cooling Unit With/Without Electric
Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
23 Typical Electronic Thermostat Field Wiring . . . . . . . . . . 18
24 Typical Field Wiring 24 Volt Thermostat . . . . . . . . . . . . 18
25 Economizer LCD and Keypad Layout. . . . . . . . . . . . . . . 29
26 Single Enthalpy Curve And Boundaries . . . . . . . . . . . . . 30
27 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
28 Altitude/Temperature Correction Factors . . . . . . . . . . . . 33
29 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
30 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
998659-YIM-C-0614
Table of Contents
Related Manuals for York Predator XP Series
Summary of Contents for York Predator XP Series
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Page 1: Table Of Contents
R-410A XP SERIES 6-1/2 - 12-1/2 Ton 60 Hertz TABLE OF CONTENTS General ......... . 2 Airflow Performance . -
Page 2: General
998659-YIM-C-0614 General ® ® York Predator heat pumps are single package, reverse cycle air conditioners designed for outdoor installation on a rooftop or Before performing service or maintenance operations on slab and for non-residential use. These units can be equipped unit, turn off main power switch to unit. - Page 3 Improper installation may create a condition where the Renewal Parts operation of the product could cause personal injury or property damage. ® Contact your local York parts distribution center for authorized replacement parts. Approvals Design certified by CSA as follows:...
- Page 4 998659-YIM-C-0614 Nomenclature ® 6.5-12.5 Ton York Model Number Nomenclature X P 090 C00 A 2 A AA 6 0 1 2 4 A Product Category Product Style X = HP, Single Pkg., R-410A A = Style A B = Style B...
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Page 5: Installation
998659-YIM-C-0614 Installation Installation Safety Information Read these instructions before continuing this appliance installation. This is an outdoor combination heating and cooling unit. The installer must assure that these instructions are made Toolless available to the consumer and with instructions to retain them Doorknobs for future reference. -
Page 6: Predator ® Component Location
998659-YIM-C-0614 inspected to assure that operation of the unit during construction has not contaminated the unit. NOTE: Should the unit be used during the construction phase the standard limited warranty provisions go into effect The Simplicity® control board used in this product will once the unit is placed into operation. -
Page 7: Location
If a unit is to be installed on a roof curb other than a should be at least 6 inches greater than the unit base rails. ® York roof curb, gasketing must be applied to all Do not tie slab to the building foundation. -
Page 8: Weights And Dimensions
998659-YIM-C-0614 FRONT FRONT LEFT LEFT Figure 5: Unit 4 Point Load Weight Figure 6: Unit 6 Point Load Weight FRONT LEFT Figure 7: Center of Gravity Table 2: Weights and Dimensions Weight (lbs.) Center of Gravity 4 Point Load Location (lbs.) 6 Point Load Location (lbs.) Size Model... -
Page 9: Xp078-150 Unit Accessory Weights
998659-YIM-C-0614 Table 3: XP078-150 Unit Accessory Weights Weight (lbs.) Unit Accessory Shipping Operating Economizer Power Exhaust Electric Heat 1. Weight given is for the maximum heater size available (54KW). Figure 8: XP078-120 Physical Dimensions Figure 9: XP150 Physical Dimensions Johnson Controls Unitary Products... -
Page 10: Xp078-150 Unit Physical Dimensions
998659-YIM-C-0614 Table 4: XP078-150 Unit Physical Dimensions Dimension (in.) Unit Model Number XP078 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 XP090 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 XP102 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 XP120... -
Page 11: Xp078-150 Unit Electrical Entry
998659-YIM-C-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: XP078-150 Unit Electrical Entry 1 8 - 1 /4 D o t P l u g s R e tu r n A i r S u p p l y... -
Page 12: Side Duct Dimensions
998659-YIM-C-0614 Dot Plugs 18-1/4 5-5/32 2-7/8 31-5/8 Figure 13: XP150 Unit Side Duct Openings Table 6: Side Duct Dimensions Dimension (in.) Unit Model Number XP078 28 1/4 18 1/16 28 1/4 18 1/4 XP090 28 1/4 18 1/16 28 1/4 18 1/4 XP102 28 1/4... -
Page 13: Xp078-150 Roof Curb
998659-YIM-C-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: XP078-150 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: XP078-150 Transition Roof Curb Johnson Controls Unitary Products... -
Page 14: Ductwork
998659-YIM-C-0614 2“ 3/4” X 1-1/4” WIDE GASKETING FOR CURB FRAME AND ALL DUCT SUPPORT SURFACES UNIT BASE 3.75” WOOD NAILER 3.56” UNIT BASE RAILS 14” 8“ MIN. ABOVE FINISHED ROOF COUNTERFLASHING CURB FRAME CAN’T STRIP INSULATION AND ROOFING MATERIAL INSULATION ROOF DECK AND SUPPORT STRUCTURE Figure 17: XP078-150 Roof Curb Cut Away Duct Covers... -
Page 15: Condensate Drain
998659-YIM-C-0614 3" Minimum Figure 18: Side Panels With Hole Plugs Figure 21: Condensate Drain NOTE: Orientation. Panel is “insulation” side up. Compressors The scroll compressor used in this product is specifically designed to operate with R-410A Refrigerant and cannot be interchanged. -
Page 16: Filters
A disconnect must be utilized for these units. Factory installed disconnects are available. If installing a disconnect (field ® Filters supplied or York International supplied accessory), refer to Figure 4 for the recommended mounting location. Two-inch filters are supplied with each unit. One-inch filters may be used with no modification to the filter racks. -
Page 17: Control Wire Sizes
998659-YIM-C-0614 TERMINAL BLOCK TB1 208/230-3-60 and 380/415-3-50 units control transformers are factory wired for 230v and 415v power supply respectively. Change tap on transformer for 208- 3-60 or 380-3-50 operation. See unit wiring diagram. FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER... -
Page 18: Typical Electronic Thermostat Field Wiring
998659-YIM-C-0614 THERMOSTAT TERMINALS UNIT TERMINALS STRIP TB1 24 Volt Transformer O C C TO REMOTE SENSOR 2ET04701324 IF USED Electronic programmable Thermostat 2ET0770010124 (includes subbase). Terminals A1 and A2 provide a relay output to close the outdoor economizer dampers when the thermostat switches to the set-back position. Figure 23: Typical Electronic Thermostat Field Wiring T-STAT UNIT CONTROL... -
Page 19: Electrical Data
998659-YIM-C-0614 Table 8: Electrical Data XP078-150 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/ (Tons) (Amps) Size Pwr Exh... - Page 20 998659-YIM-C-0614 XP078-150 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/ (Tons) (Amps) Size Pwr Exh (Amps) (Amps) RLA LRA...
- Page 21 998659-YIM-C-0614 XP078-150 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 22 998659-YIM-C-0614 XP078-150 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 23 998659-YIM-C-0614 XP078-150 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 24 998659-YIM-C-0614 XP078-150 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 25 998659-YIM-C-0614 XP078-150 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 26 998659-YIM-C-0614 XP078-150 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 27: Xp078-150 Physical Data
998659-YIM-C-0614 Table 9: XP078-150 Physical Data Models Component XP078 XP090 XP102 XP120 XP150 Nominal Tonnage 12.5 AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (Mbh) 80000 92550 105600 122000 158300 AHRI net capacity (Mbh) 78000 90000 102000 117000 150000 11.5 11.2 11.2... -
Page 28: Optional Electric Heat
998659-YIM-C-0614 Table 9: XP078-150 Physical Data (Continued) Models Component XP078 XP090 XP102 XP120 XP150 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. -
Page 29: Options/Accessories
998659-YIM-C-0614 Options/Accessories • Keypad and menu navigation • Settings and parameter changes Electric Heat • Menu structure and selection Electric heaters are available as factory-installed options or User Interface field-installed accessories. Refer to electric heat instructions for The user interface consists of an LCD display and a 4-button installation. -
Page 30: Single Enthalpy And Dual Enthalpy High Limit Curves
998659-YIM-C-0614 • Press the button to increase (change) the displayed NOTE: Your menu parameters will be different depending on parameter value. your configuration. See the JADE™ Economizer Module accessory instruction P/N 1150208-UAI-A-0514 • Press the button to decrease (change) the displayed included in this instruction packet for additional menu parameter value. -
Page 31: Supply Air Limitations
998659-YIM-C-0614 Enthalpy Settings • If the call for additional cooling in the space has not been satisfied then the first stage of mechanical cooling will be When the OA temperature, enthalpy and dew point are below enabled through Y1 Out or Y2 Out. the respective setpoints, the Outdoor Air can be used for economizing. -
Page 32: Belt Adjustment
998659-YIM-C-0614 Belt Tension The tension on the belt should be adjusted as shown in Figure 27. 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 * NEVER LOOSEN shown. -
Page 33: Altitude/Temperature Correction Factors
998659-YIM-C-0614 Table 13: 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 34: Airflow Performance
998659-YIM-C-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 35: Airflow Performance - Side Duct Application
998659-YIM-C-0614 Table 14: Airflow Performance - Side Duct Application XP078 (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 36 998659-YIM-C-0614 XP120 (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 2 HP & Field Supplied Drive Standard 2 HP &...
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Page 37: Airflow Performance - Bottom Duct Application
998659-YIM-C-0614 Table 15: Airflow Performance - Bottom Duct Application XP078 (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 38: Rpm Selection
998659-YIM-C-0614 XP120 (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 2 HP & Field Supplied Drive Standard 2 HP &... -
Page 39: Air Balance
998659-YIM-C-0614 Table 17: 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 2.4 - 3.4 VL40 AK84 (6.5) 1725 1.15 2.8 - 3.8 VL44 AK71... -
Page 40: Dry Coil Delta P
998659-YIM-C-0614 NOTE: The tubes must be inserted and held in position To adjust Measured CFM to Required CFM, see SUPPLY perpendicular to the airflow so that velocity pressure AIR DRIVE ADJUSTMENT. will not affect the static pressure readings. After reading has been obtained, remove the tubes and seal holes. -
Page 41: Motor Sheave Datum Diameters
998659-YIM-C-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 42: Additional Static Resistance
998659-YIM-C-0614 Table 20: Additional Static Resistance Electric Heat kW Size Model Economizer 4” Filter (Tons) 1900 0.02 0.12 0.05 0.06 0.07 0.08 0.10 2100 0.02 0.13 0.06 0.07 0.08 0.09 0.11 2300 0.04 0.14 0.07 0.08 0.09 0.10 0.13 2500 0.11 0.16 0.08... -
Page 43: Operation
998659-YIM-C-0614 Operation energized. In free-cooling mode, if the call for the second stage of cooling continues for 20 minutes, compressor #2 is energized, provided it has not been locked-out. Cooling Sequence Of Operation If there is an initial call for both stages of cooling, the UCB will For the XP series of units, the thermostat makes a circuit delay energizing compressor #2 by 30 seconds in order to between "R"... - Page 44 998659-YIM-C-0614 Economizer With Power Exhaust Freezestat A unit equipped with an economizer (single or dual enthalpy) During cooling operation, if a freezestat opens, the UCB will de- and a power exhaust operates as specified above with one energize the associated compressor, initiate the ASCD, and, if addition.
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Page 45: Heating Sequence Of Operation
998659-YIM-C-0614 Compressor Protection Either of the two defrost thermostats (DF1 or DF2) must be closed. These normally open thermostats are mounted on In addition to the external pressure switches, the compressors the respective liquid lines and are set to close at 31 also have inherent (internal) protection. -
Page 46: Start-Up (Cooling)
998659-YIM-C-0614 Limit Switch (Ls) conditioned space. Refer to Table 22 for the required electric heat anticipator setting. This control is located inside the heater compartment and is set to open at the temperature indicated in the Electric Heat Limit Table 22: Electric Heat Anticipator Setpoints Setting Tables 20 and 21. -
Page 47: Troubleshooting
998659-YIM-C-0614 ® Troubleshooting Predator Flash Codes Various flash codes are utilized by the unit control board (UCB) to aid in troubleshooting. Flash codes are distinguished by the short on and off cycle used (approximately 200ms on and 200ms off). To show normal operation, the control board Troubleshooting of components may require opening flashes a 1 second on, 1 second off "heartbeat"... -
Page 48: Unit Control Board Option Setup
998659-YIM-C-0614 Check Alarm History Reset All ASCDs for One Cycle Non Alarm Condition Green LED Flashing Current Alarm Flashed Red LED Figure 30: Unit Control Board Unit Control Board Option Setup • The 8, 4, 2 and 1 LEDs will then show the status of the Heat Delay, (See Table 24). - Page 49 998659-YIM-C-0614 Cooling Troubleshooting Guide the economizer provides free cooling, following a short delay compressor #1 will be energized unless it is locked On calls for cooling, if the compressors are operating but the out. If compressor #1 is locked out, compressor #2 is supply air blower motor does not energize after a short delay energized.
- Page 50 998659-YIM-C-0614 out, the UCB may have the compressor in an ASCD. cooling. If the second stage of cooling is requested, Check the LED for an indication of an ASCD cycle. The following a short delay, compressor #1 will be energized ASCD should time out within 5 minutes.
- Page 51 998659-YIM-C-0614 10. If 24 volts is present at the UCB Y2 terminal and none of on a loss of call for the first stage of cooling, i.e. a loss if 24 the switches are open and the compressor is not locked volts at the Y1 terminal.
- Page 52 998659-YIM-C-0614 conditions. These options are not enabled by default. They time. This programming can be checked or changed by the can be checked by local distributors. local distributor. For units with factory installed economizers, the UCB is 14. If none of the above corrected the error, test the integrity of programmed to lock out compressor operation when the the UCB.
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Page 53: 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 54 998659-YIM-C-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 55 998659-YIM-C-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 56 998659-YIM-C-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.
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Page 57: Heat
998659-YIM-C-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) ° ° ° °... - Page 58 ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ Subject to change without notice. Printed in U.S.A. 998659-YIM-C-0614 Copyright © 2014 by Johnson Controls, Inc. All rights reserved. Supersedes: 998659-YIM-B-0514 York International Corporation 5005 York Drive Norman, OK 73069...