York ZF Series Installation Manual
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R-410A
ZF SERIES
10 - 12-1/2 Ton
50 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . . . 28
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 28
1 ZF120-150 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions Imperial . . . . . . . . . . . . . . . . . . . . . . 8
3 Weights and Dimensions Metric . . . . . . . . . . . . . . . . . . . . . . . 8
4 ZF120-150 Unit Accessory Weights Imperial . . . . . . . . . . . . . 9
5 ZF120-150 Unit Accessory Weights Metric . . . . . . . . . . . . . . . 9
6 ZF120-150 Unit Physical Dimensions Imperial . . . . . . . . . . . 10
7 ZF120-150 Unit Physical Dimensions Metric . . . . . . . . . . . . 10
8 ZF120-150 Unit Clearances Imperial . . . . . . . . . . . . . . . . . . . 11
9 ZF120-150 Unit Clearances Metric . . . . . . . . . . . . . . . . . . . . 11
10 ZF Side Duct Dimensions Imperial . . . . . . . . . . . . . . . . . . . . 14
11 ZF Side Duct Dimensions Metric . . . . . . . . . . . . . . . . . . . . . . 14
12 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
13 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
14 ZF120-150 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
15 Electric Heat Minimum Supply Air Imperial . . . . . . . . . . . . . . 24
16 Electric Heat Minimum Supply Air Metric . . . . . . . . . . . . . . . 24
17 Gas Heat Minimum Supply Air Imperial . . . . . . . . . . . . . . . . . 25
18 Gas Heat Minimum Supply Air Metric . . . . . . . . . . . . . . . . . . 25
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Component Location (ZF120 Shown) . . . . . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZF120 Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9 ZF150 Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 ZF120-150 Unit Bottom Duct Openings . . . . . . . . . . . . . . . . 12
11 ZF120-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . . . 13
12 ZF120 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . . 13
13 ZF150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . . 14
14 ZF120 - 150 Unit Left Duct Opening . . . . . . . . . . . . . . . . . . . 14
15 ZF120-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 ZF120-150 Transition Roof Curb . . . . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . . 16
TABLE OF CONTENTS
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . 45
No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Electric Heating Sequence Of Operations. . . . . . . . . . . . . . . . 48
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 48
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 48
Ignition Control Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 49
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
LIST OF TABLES
19 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 26
20 Smart Equipment™ Economizer Board Details . . . . . . . . . . 30
21 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
22 Airflow Performance - Side Duct Application . . . . . . . . . . . . 35
23 Airflow Performance - Bottom Duct Application . . . . . . . . . . 38
24 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 41
25 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 41
26 Motor Sheave Datum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
29 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
30 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 48
31 Gas Heat Limit Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
32 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 50
33 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 52
34 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
35 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 54
36 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 55
LIST OF FIGURES
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . 16
19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
20 Save Side Panels For Economizer Hood Tops . . . . . . . . . . 16
21 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Heat 18
24 Typical Electronic Thermostat Field Wiring . . . . . . . . . . . . . 20
25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
27 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . . 30
28 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
29 Dry Coil Delta P 50" Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 42
30 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
31 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
32 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5326602-XIM-B-1019
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Table of Contents
Related Manuals for York ZF Series
Summary of Contents for York ZF Series
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Page 1: Table Of Contents
R-410A ZF SERIES 10 - 12-1/2 Ton 50 Hertz TABLE OF CONTENTS General ..........2 Dual Enthalpy Changeover . -
Page 2: General
5326602-XIM-B-1019 General ® York ZF120-150 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. Electrical shock equipped with factory or field installed electric heaters for could cause personal injury. - 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 5326602-XIM-B-1019 Nomenclature ® 10-12.5 Ton York 50 Hz. Model Number Nomenclature Z F 120 C A 7 A 1 Product Generation Product Category 1 = First Generation Z = A/C, Single Pkg., R-410A Cabinet Options A = Std Cabinet Product Identifier...
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Page 5: Installation
5326602-XIM-B-1019 Installation Turn each bracket toward the ground and the protective plywood covering will drop to the ground. Installation Safety Information Remove the condenser coil external protective covering prior to operation. Read these instructions before continuing this appliance installation. This is an outdoor combination heating and cooling Remove the toolless doorknobs and instruction packet unit. -
Page 6: Limitations
Filter Access Disconnect location w/screw connector for T-stat (2” or 4” filter options) Filter drier (optional disconnect switch) (solid core) wiring and network connections ZF Series utilize Micro-Channel Terminal block for Aluminum Tube/Aluminum Fin hi-voltage connection Condenser Second model nameplate... -
Page 7: Location
If a unit is to be installed on a roof curb other than a ® York roof curb, gasketing must be applied to all Excessive exposure of this furnace to contaminated surfaces that come in contact with the unit underside. -
Page 8: Weights And Dimensions Imperial
5326602-XIM-B-1019 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 Imperial Center of Weight (lbs.) 4 Point Load Location (lbs.) 6 Point Load Location (lbs.) Size Gravity (in.) -
Page 9: Zf120-150 Unit Accessory Weights Imperial
5326602-XIM-B-1019 Table 4: ZF120-150 Unit Accessory Weights Imperial Table 5: ZF120-150 Unit Accessory Weights Metric Weight (lbs.) Weight (kg.) Unit Accessory Unit Accessory Shipping Operating Shipping Operating Economizer Economizer 40.8 38.6 Power Exhaust Power Exhaust 18.1 15.9 Electric Heat Electric Heat 22.2 22.2 Gas Heat... -
Page 10: Zf120-150 Unit Physical Dimensions Imperial
5326602-XIM-B-1019 45.64 (1159) 14.92 4X Ø 24.38 (379) (619) 14.92 (379) 59.00 (1499) 14.92 (379) 29.95 30.11 (761) (765) NOTE: (XXX) Indicates Millimeters SEE DETAIL A FOR GAS INLET (289) 11.38 (106) SEE DETAIL B 59.00 4.19 FOR DRAIN LOCATION (1499) 27.31 21.19... -
Page 11: Zf120-150 Unit Clearances Imperial
5326602-XIM-B-1019 Detail A 3.184 3.184 (81) Gas Pipe Inlet Gas Pipe Inlet Ø 2.000 Ø 2.000 (51) Gas Exhaust Vent Gas Exhaust Vent Ø 3.126 Ø 3.126 (587) 17.541 14.594 (371) 7.705 7.715 (196) 4.737 4.727 (120) 42”/1067mm CABINET 50 3/4”/1289mm CABINET NOTE: (XXX) Indicates Millimeters Detail B 5-3/8... -
Page 12: Zf120-150 Unit Bottom Duct Openings
5326602-XIM-B-1019 (2261) 32 11/16 (830) 6 13/16 (173) 6 13/16 (173) SUPPLY RETURN 27 1/2 (610) (690) LEFT RIGHT (533) (457) 20 1/8 19 1/8 17 1/8 (511) (486) (435) 12 5/16 (313) Bottom condensate drain 25 9/16 14 1/2 Bottom gas (649) (368) -
Page 13: Zf120-150 Unit Electrical Entry
5326602-XIM-B-1019 Disconnect Swith Cover Power Entry Ø 2-1/2 (64) Control Entry Ø 7/8 (22) Power Entry Ø 2-1/2 (64) Convenience Outlet Cover Convenience Outlet Power Entry Ø 7/8 FRONT (22) Figure 11: ZF120-150 Unit Electrical Entry 1 8 - 1 /4 D o t P l u g s (464) Return... -
Page 14: Zf Side Duct Dimensions Imperial
5326602-XIM-B-1019 18-1/4 Dot Plugs (464) NOTE: (XXX) Indicates Millimeters 2-7/8 5-5/32 (131) (75) 31-5/8 (805) Figure 13: ZF150 Unit Side Duct Openings Table 11: ZF Side Duct Dimensions Metric Table 10: ZF Side Duct Dimensions Imperial Dimension (mm) Dimension (in.) Unit Model Number Unit Model Number 28 1/4... -
Page 15: Ductwork
5326602-XIM-B-1019 R I G H T 8 0 - 5 / 8 I N S U L A T E D D E C K U N D E R ( 2 0 5 0 ) C O N D E N S E R S E C T I O N ( 5 1 0 ) S U P P L Y ( 5 1 0 ) -
Page 16: Side Panels
5326602-XIM-B-1019 should NOT be sized to match the dimensions of the duct connections on the unit. Refer to Figure 10 for bottom air duct openings. Refer to Figures 12, 13 and Table 10 for side air duct openings. Duct Covers Units are shipped with the side duct openings covered and a covering over the bottom of the unit. -
Page 17: Compressors
5326602-XIM-B-1019 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 5326602-XIM-B-1019 ® supplied or York International 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.
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Page 19: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat 18 23 Field Wiring Disconnect - Cooling Unit With Gas Heat
5326602-XIM-B-1019 CONTACTOR 1M FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 23: Field Wiring Disconnect - Cooling Unit With Gas Heat Johnson Controls Ducted Systems... -
Page 20: Control Wire Sizes
5326602-XIM-B-1019 Thermostat Wiring thermostat to the unit. Refer to Table 12 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 12: Control Wire Sizes subject to drafts, sun exposure or heat from electrical fixtures or Wire Size Maximum Length... -
Page 21: Electrical Data
5326602-XIM-B-1019 Table 13: Electrical Data ZF120 Standard Motor OD Fan Supply Compressors (each) Motors Blower Electric Heat Option Max Fuse Max Fuse (each) Motor Motor Size Breaker Volt Pwr Exh Breaker (Tons) (Amps) Size w/ Pwr (Amps) Size (Amps) Exh (Amps) Model Stages Amps... -
Page 22: Zf120-150 Physical Data
5326602-XIM-B-1019 Table 14: ZF120-150 Physical Data Models Component ZF120 ZF150 Nominal Tonnage 12.5 Brand YORK YORK Country of Origin Made in USA Made in USA Rated Voltage Range 380-415 Volts 380-415 Volts Rated Frequency 50Hz 50Hz Nominal CFM 4000 5000... - Page 23 5326602-XIM-B-1019 Table 14: ZF120-150 Physical Data (Continued) Models Component ZF120 ZF150 Nominal Tonnage 12.5 Rows Fins per inch Tube diameter 0.375 0.375 Circuitry Type Intertwined Intertwined Refrigerant control CONDENSER FAN DATA Quantity of Fans Fan diameter (Inch) Type Prop Prop Drive type Direct Direct...
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Page 24: Optional Electric Heat
5326602-XIM-B-1019 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 25: Optional Gas Heat
5326602-XIM-B-1019 Optional Gas Heat These gas-fired heaters have aluminized-steel or optional stainless steel, tubular heat exchangers with spark ignition. OPTIONAL Gas Piping COIL Proper sizing of gas piping depends on the cubic feet per hour GUARD of gas flow required, specific gravity of the gas and the length of SHOWN run. -
Page 26: Gas Connection
5326602-XIM-B-1019 Table 19: Gas Pipe Sizing - Capacity of Pipe The gas supply should be a separate line and installed in accordance with all safety codes as prescribed under Nominal Iron Pipe Size Length of “Limitations”. Pipe ft. (m) 3/4 in. 1 in. -
Page 27: Options/Accessories
5326602-XIM-B-1019 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 28: Optional Hot Gas Bypass (Hgbp)
5326602-XIM-B-1019 Economizer Sequences the assembly. Field installed Motorized Outdoor Damper accessories include complete instructions for installation. Several functions can drive the economizer, including: minimum Economizer position, free cooling, economizer loading, and minimum outdoor air supply. The Economizer can be a factory installed option or a field installed accessory. -
Page 29: Free Cooling Operation
5326602-XIM-B-1019 • Return and outside air dry bulb and outside air humidity = If the economizer output goes to minimum position and the SAT single enthalpy is less than Economizer Setpoint -1°F, the control starts a 12- minute timer to de-energize a compressor output. •... -
Page 30: Smart Equipment™ Economizer Board Details
5326602-XIM-B-1019 Figure 27: SE-ECO1001-0 Economizer Controller Table 20: 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 31 5326602-XIM-B-1019 Table 20: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label SA BUS Pin connections at left on upper edge of economizer board EconCtrlr parameter reports UCB-to-economizer board SA bus communication status. Negative of the SA BUS communication Common for SA BUS power and circuit to the UCB.
- Page 32 5326602-XIM-B-1019 Table 20: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24V~ IN Pin connections at right on upper edge of economizer board 24 VAC common connection to power the economizer board. 24 VAC transformer Common referenced to Connects through circuit traces to C/COM terminals and pins cabinet ground distributed on the economizer board.
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Page 33: Supply Air Limitations
5326602-XIM-B-1019 Table 20: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24 VAC hot supplied for the building pressure 24V~ Connects through circuit trace to 24V~ IN pin HOT sensor BldgPres parameter reports input status (-.250-.250”/w/-.062- BLDG 0-5 VDC positive input from the Building .062kPa). -
Page 34: Belt Adjustment
5326602-XIM-B-1019 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 * NEVER LOOSEN force to one belt at the midpoint of the span as shown. -
Page 35: Airflow Performance - Side Duct Application
5326602-XIM-B-1019 Table 22: Airflow Performance - Side Duct Application ZF120 (10 Ton) Standard Motor Side Duct Imperial Turns Open (iwg) Watts Watts Watts Watts Watts Watts 0.35 4820 2675 2.87 4582 2362 2.53 4319 2080 2.23 4086 1842 1.98 3863 1648 1.77 3590... - Page 36 5326602-XIM-B-1019 ZF120 (35 kW) Optional Motor Side Duct Metric Turns Open (Pa) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) 2.50 2.00 2.40 2.75 2.20 2.19 2.31 1.85 2.40 2.94 2.35 2.28 2.58 2.07 2.05 2.15 1.72 2.40 3.12...
- Page 37 5326602-XIM-B-1019 ZF150 (44 kW) Side Duct Metric Turns Open (Pa) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) 2.90 4.17 3.34 2.79 3.77 3.02 2.65 3.31 2.65 2.55 2.95 2.36 2.34 2.50 2.00 2.76 3.93 3.15 2.67 3.57 2.85...
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Page 38: Airflow Performance - Bottom Duct Application
5326602-XIM-B-1019 Table 23: Airflow Performance - Bottom Duct Application ZF120 (10 Ton) Standard Motor Bottom Duct Imperial Turns Open (iwg) Watts Watts Watts Watts Watts Watts 1.89 1.71 1.51 4543 2511 2.69 4362 2250 2.41 4139 1996 2.14 3911 1766 3719 1594 3518... - Page 39 5326602-XIM-B-1019 ZF120 (35 kW) Optional Motor Bottom Duct Metric Turns Open (Pa) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) 2.34 2.67 2.13 2.17 2.29 1.83 2.32 2.47 1.98 2.23 2.51 2.01 2.05 2.15 1.72 2.33 3.02 2.42 2.20...
- Page 40 5326602-XIM-B-1019 ZF150 (44 kW) Bottom Duct Metric Turns Open (Pa) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) (kW) 2.63 4.01 3.21 2.53 3.55 2.84 2.44 3.20 2.56 2.36 2.88 2.31 2.23 2.51 2.01 2.05 2.15 1.72 2.54 3.84 3.07...
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Page 41: Air Balance
5326602-XIM-B-1019 Table 24: Indoor Blower Specifications Motor Motor Sheave Blower Sheave Size Model Belt Datum Dia. Datum Dia. (Tons) Eff. Frame Bore (In.) Model Bore (In.) Model (In.) (In.) 1425 1.15 3.4 - 4.4 1VM50 AK74 (10) 1455 0.87 1.15 184T 4.0 - 5.0 1-1/8... -
Page 42: Dry Coil Delta P 50" Cabinet
5326602-XIM-B-1019 Select the correct blower performance table for the unit Tighten blower pulley and motor sheave set screws after from Tables 22 and 23. Tables are presented for side and any adjustments. Re-check set screws after 10-12 hrs. run down flow configuration. time is recommended. -
Page 43: Motor Sheave Datum
5326602-XIM-B-1019 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 44 5326602-XIM-B-1019 Table 27: Additional Static Resistance ZF120/150 Cabinet (Imperial) Electric Heat KW Cooling Only Economizer 2300 0.08 0.02 0.08 0.09 0.10 0.13 2500 0.09 0.02 0.09 0.10 0.11 0.14 2700 0.11 0.03 0.10 0.12 0.13 0.16 2900 0.12 0.03 0.11 0.13 0.14 0.18...
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Page 45: Sequence Of Operation
5326602-XIM-B-1019 Table 28: Additional Static Resistance ZF120/150 Cabinet (Metric) Electric Heat kW Cooling Only Economizer 1.08 19.9 19.9 22.4 24.8 32.3 1.18 22.4 22.4 24.8 27.3 34.8 1.27 27.3 24.8 29.8 32.3 39.7 1.36 29.8 27.3 32.3 34.8 44.7 1.46 34.8 32.3 37.3... -
Page 46: Cooling Operation Errors
5326602-XIM-B-1019 The UCB energizes the economizer (if installed and free cooling Upon the final compressor de-energizing, the blower is stopped is available) or the first available compressor and the following the elapse of the fan off delay for cooling, and the condenser fans. - Page 47 5326602-XIM-B-1019 High-Pressure Limit Switch Low ambient mode operates the compressors in this manner: 10 minutes on, 5 minutes off. The indoor blower is operated During cooling operation, if a high-pressure limit switch opens, throughout the cycle. The 5-minute off period is necessary to the UCB will de-energize the associated compressor, initiate defrost the indoor coil.
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Page 48: Electric Heating Sequence Of Operations
5326602-XIM-B-1019 Electric Heating Sequence Of Operations Electric Heat Anticipator Setpoints It is important that the anticipator setpoint be correct. Too high The following sequence describes the operation of the electric of a setting will result in longer heat cycles and a greater heat section. -
Page 49: Gas Heating Operation Errors
5326602-XIM-B-1019 sequence. If this sequence is satisfied, the second main valve permit an ignition sequence and the draft motor is energized. If of the GV is opened. this failure should occur during an ignition cycle the failure is counted as a recycle. When “W2”... -
Page 50: Gas Heat Limit Settings
5326602-XIM-B-1019 Internal Microprocessor Failure Table 31: Gas Heat Limit Settings Unit Main Limit Setting If the ICB detects an internal failure, it will cease all outputs, ignore inputs, and display the proper flash code for control Size Opt. Natural Gas replacement. -
Page 51: Start-Up (Cooling)
5326602-XIM-B-1019 Start-Up (Cooling) Lighting The Main Burners Turn “OFF” electric power to unit. Prestart Check List Turn room thermostat to lowest setting. After installation has been completed: Turn gas valve counter-clockwise to “ON” position (See Check the electrical supply voltage being supplied. Be sure Figure 31). -
Page 52: Gas Rate Cubic Feet Per Hour
5326602-XIM-B-1019 Turn on the furnace and make sure the thermostat is Table 33: Gas Rate Cubic Feet Per Hour calling for Second stage (100% input) heat. Size of Test Dial Seconds for Measure the time needed for one revolution of the hand on One Rev. -
Page 53: Gas Heat Stages
5326602-XIM-B-1019 Using the outlet pressure port on the gas valve, connect a Burners/Orifices Inspection/Servicing manometer to monitor the manifold pressure. Before checking or changing burners, pilot or orifices, CLOSE Remove plastic cap covering HI and LO pressure MAIN MANUAL SHUT-OFF VALVE AND SHUT OFF ALL adjustment screws. -
Page 54: Charging The Unit
5326602-XIM-B-1019 Charging The Unit Table 35: Ignition Control Flash Codes Flashes Fault Conditions Check All ZF units use Thermal Expansion Devices. Charge the unit to STEADY ON Control Failure Control nameplate charge or 10° subcooling. HEARTBEAT Normal Operation Not Applicable Pressure Switch Pressure Switch Stuck Closed... -
Page 55: Smart Equipment™ Ucb Details
5326602-XIM-B-1019 Table 36: 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 switch(es) - Page 56 5326602-XIM-B-1019 Table 36: Smart Equipment™ UCB Details (Continued) Description Function & Comments 1/2 second on/off flashing indicates one or more alarm is Red hard lockout, networking error and firmware currently active, 1/10th second on/off flashing indicates a FAULT error indicator networking error (polarity, addressing, etc.) or a firmware error (likely correctable with re-loading from USB flash drive) Green UCB SA bus communication transmission...
- Page 57 5326602-XIM-B-1019 Table 36: Smart Equipment™ UCB Details (Continued) Description Function & Comments Optional input; switch closure for greater than 15 seconds DFS (upper pin) 24 VAC hot return from Dirty Filter Switch during indoor blower operation initiates a notification alarm DFS (lower pin) 24 VAC hot out for Dirty Filter Switch Connects through circuit trace to the R terminal...
- Page 58 5326602-XIM-B-1019 Table 36: Smart Equipment™ UCB Details (Continued) Description Function & Comments Not effective for one stage compressor UCBs. If demand is present and permissions allow compressor 2 operation; output 24 VAC hot output for compressor 2 with compressor cooling, comfort ventilation cooling or heat pump heating demands Pin Refrigerant circuit safety switch and indoor blower overload connections at center on lower edge of UCB HPS1...
- Page 59 5326602-XIM-B-1019 Table 36: Smart Equipment™ UCB Details (Continued) Description Function & Comments Also incorporated in the J8 6-pin phone jack connector at the left-center of the board. Positive of the VDC (typically, a fluctuating 1.5 to 3.5 volts reading to C; at least 0.25 volts Communication for SA BUS devices higher than –) SA BUS communication circuit to optional economizer board, 4-stage board, fault detection &...
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Page 60: Start-Up Sheet
5326602-XIM-B-1019 Start-Up Sheet Johnson Controls Ducted Systems... - Page 61 5326602-XIM-B-1019 Johnson Controls Ducted Systems...
- Page 62 5326602-XIM-B-1019 Johnson Controls Ducted Systems...
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- Page 64 5326602-XIM-B-1019 Johnson Controls Ducted Systems...
- Page 65 Subject to change without notice. Printed in U.S.A. 5326602-XIM-B-1019 Copyright © 2019 by Johnson Controls, Inc. All rights reserved. Supersedes: 5326602-XIM-A-0117 York International Corporation 5005 York Drive Norman, OK 73069...
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