Table of Contents
Advertisement
Quick Links
R-410A
ZH SERIES W/SMART EQUIPMENT™
3 - 5 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
1 ZH037-061 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZH037-061 Unit Accessory Weights . . . . . . . . . . . . . . . . . . . . 9
4 ZH037-061 Unit Physical Dimensions . . . . . . . . . . . . . . . . . . 11
5 ZH037-061 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 27
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 28
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . 29
14 Smart Equipment™ Economizer Board Details . . . . . . . . . . 33
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 38
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
®
4 Predator
Component Location (ZH049 Shown) . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZH037-049 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 9
9 ZH061 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 ZH037-061 Unit Bottom Duct Openings . . . . . . . . . . . . . . . . 12
11 ZH037-061 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . . . 13
12 ZH037-061 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . 13
13 ZH037-061 Unit Left/End Duct Opening . . . . . . . . . . . . . . . . 14
14 ZH037-061 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15 ZH037-061 Transition Roof Curb . . . . . . . . . . . . . . . . . . . . . 15
16 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . . 15
TABLE OF CONTENTS
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Airflow Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . . 46
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Electric Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 47
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . . . 49
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
LIST OF TABLES
17 Airflow Performance - Side Duct Application . . . . . . . . . . . . 40
18 Airflow Performance - Bottom Duct Application . . . . . . . . . . 41
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 42
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 42
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 44
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 45
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 48
26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 50
27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 52
28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
29 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 55
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 60
LIST OF FIGURES
17 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . 16
18 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
19 Save Side Panels For Economizer Hood Tops . . . . . . . . . . 16
20 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
21 Field Wiring Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
22 Typical Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
23 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
24 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
25 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . . 33
26 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
27 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 38
28 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
29 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
30 Typical Two Stage Gas Valve . . . . . . . . . . . . . . . . . . . . . . . 53
31 Typical Single Stage Gas Valve . . . . . . . . . . . . . . . . . . . . . . 54
32 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5167534-YIM-G-0518
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for York ZH Series
Summary of Contents for York ZH Series
-
Page 1: Table Of Contents
R-410A ZH SERIES W/SMART EQUIPMENT™ 3 - 5 Ton 60 Hertz TABLE OF CONTENTS General ..........2 Free Cooling Operation . -
Page 2: General
5167534-YIM-G-0518 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 Wear safety glasses and work gloves. Use quenching cloth and Renewal Parts have a fire extinguisher available during brazing operations. ® Contact your local York parts distribution center for authorized replacement parts. Inspection As soon as a unit is received, it should be inspected for possible Approvals damage during transit.
- Page 4 5167534-YIM-G-0518 Nomenclature ® 3-5 Ton ZH York Model Number Nomenclature Z H 037 C A 2 A 1 Product Generation Product Category 1 = First Generation Z = A/C, Single Pkg., R-410A Cabinet Options A = Std Cabinet Product Identifier...
-
Page 5: Installation
5167534-YIM-G-0518 Remove the condenser coil external protective covering Installation prior to operation. Installation Safety Information Remove the toolless doorknobs and instruction packet prior to installation. Read these instructions before continuing this appliance installation. This is an outdoor combination heating and cooling unit. -
Page 6: Limitations
Roof curbs for transitioning (stainless steel option) from York Sunline™ footprint to the ZH Series footprint One or Two stage gas heating to are available Side entry power maintain warm, comfortable (field-installed accessory) -
Page 7: Location
If a unit is to be installed on a roof curb other than a personal injury. Typical contaminates include: ® York roof curb, gasketing must be applied to all permanent wave solution, chlorinated waxes and surfaces that come in contact with the unit underside. -
Page 8: Weights And Dimensions
5167534-YIM-G-0518 All panels must be secured in place when the unit is lifted. The condenser coils should be protected from rigging cable damage with plywood or other suitable material. FRONT LEFT Figure 6: Unit 6 Point Load Weight FRONT LEFT FRONT LEFT Figure 5: Unit 4 Point Load Weight... -
Page 9: Zh037-061 Unit Accessory Weights
5167534-YIM-G-0518 Table 3: ZH037-061 Unit Accessory Weights Weight (lbs.) Unit Accessory Shipping Operating Economizer Power Exhaust Electric Heat Gas Heat 1. Weight given is for the maximum heater size available (24KW). 2. Weight given is for the maximum number of tube heat exchangers available (8 tube). -
Page 10: Zh061 Physical Dimensions
5167534-YIM-G-0518 29.69 15.25 15.38 59.00 15.38 2X Ø 24.38 SEE DETAIL A FOR GAS INLET 11.38 SEE DETAIL B 59.00 4.19 FOR DRAIN LOCATION LEFT 27.31 21.19 89.00 FRONT Figure 9: ZH061 Physical Dimensions Johnson Controls Ducted Systems... -
Page 11: Zh037-061 Unit Physical Dimensions
5167534-YIM-G-0518 Table 4: ZH037-061 Unit Physical Dimensions Dimension (in.) Unit Model Number ZH037 22 1/8 18 3/16 15 3/16 6 3/16 ZH049 22 1/8 18 3/16 15 3/16 6 3/16 ZH061 22 1/8 18 3/16 15 3/16 6 3/16 Detail A Detail B 3.184 Gas Pipe Inlet... -
Page 12: Zh037-061 Unit Bottom Duct Openings
5167534-YIM-G-0518 32 11/16 6 13/16 6 13/16 RETURN SUPPLY 27 1/2 LEFT RIGHT 20 1/8 19 1/8 17 1/8 12 5/16 Bottom condensate drain 14 1/2 25 9/16 Bottom gas supply entry 16 3/8 18 1/16 FRONT TOP VIEW Bottom power, control and convenience outlet wiring entry 3X Ø... -
Page 13: Side Duct Dimensions
5167534-YIM-G-0518 Disconnect Swith Cover Power Entry Ø 2-1/2 Control Entry Ø 7/8 Power Entry Ø 2-1/2 Convenience Outlet Cover Convenience Outlet Power Entry Ø 7/8 FRONT Figure 11: ZH037-061 Unit Electrical Entry 1 8 - 1 /4 D o t P l u g s Return Supply Air 2 - 3 1 /3 2... -
Page 14: Left/End Duct Dimensions
5167534-YIM-G-0518 4-5/16 Figure 13: ZH037-061 Unit Left/End Duct Opening Table 7: Left/End Duct Dimensions Dimension (in.) Unit Model Number ZH037 30.357 13.365 22.516 ZH049 30.357 13.365 22.516 ZH061 30.357 13.365 22.516 RIGHT 80-5/8 INSULATED DECK UNDER CONDENSER SECTION SUPPLY RETURN 2 TYP. -
Page 15: Ductwork
5167534-YIM-G-0518 2 TYP 23 4 30-1/2 50-1/2 80-5/8 RETURN SUPPLY 76-5/8 59-1/4 FRONT RIGHT 64-1/4 Figure 15: ZH037-061 Transition Roof Curb painted surface DOWN, facing the down flow duct opening. The Ductwork supply panel is secured with the bracket (already in place from Ductwork should be designed and sized according to the the factory) and two screws. -
Page 16: Side Panels
5167534-YIM-G-0518 Condensate Drain The side condensate drain is reversible and maybe re-oriented to the rear of the cabinet to facilitate condensate piping. A condensate drain connection is available through the base pan for piping inside the roof curb. Trap the connection per Figure 20. The trap and drain lines should be protected from freezing. -
Page 17: Filters
A disconnect must be utilized for these units. Factory installed disconnects are available. If installing a disconnect (field ® supplied or York International supplied accessory), refer to Figure 4 for the recommended mounting location. Do not loosen compressor mounting bolts. -
Page 18: Field Wiring Disconnect
5167534-YIM-G-0518 Power Wiring Detail Units are factory wired for the voltage shown on the unit Power wiring is brought into the unit through the side of the unit nameplate. Refer to Electrical Data Table 9 to size power or the basepan inside the curb. wiring, fuses, and disconnect switch. -
Page 19: Control Wire Sizes
5167534-YIM-G-0518 Thermostat Wiring Table 8: Control Wire Sizes The thermostat should be located on an inside wall Wire Size Maximum Length approximately 56 inch above the floor where it will not be 18 AWG 150 Feet subject to drafts, sun exposure or heat from electrical fixtures or 1. -
Page 20: Electrical Data
5167534-YIM-G-0518 Table 9: Electrical Data ZH037-061 Standard Indoor Blower - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size... - Page 21 5167534-YIM-G-0518 ZH037-061 Hi Static Indoor Blower - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh RLA LRA Model...
- Page 22 5167534-YIM-G-0518 ZH037-061 Standard Indoor Blower - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh RLA LRA Model Stages...
- Page 23 5167534-YIM-G-0518 ZH037-061 Hi Static Indoor Blower - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh RLA LRA Model...
-
Page 24: Physical Data
5167534-YIM-G-0518 Table 10: Physical Data ZH037-061 Single Stage Gas Physical Data Models Component ZH037 ZH049 ZH061 Nominal Tonnage AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (MBh) 37000 50000 61000 AHRI net capacity (MBh) 36000 48000 58000 11.8 11.8 11.8 SEER Nominal CFM... - Page 25 5167534-YIM-G-0518 ZH037-061 Single Stage Gas Physical Data (Continued) Models Component ZH037 ZH049 ZH061 Nominal Tonnage CONDENSER FAN DATA Quantity of fans Fan diameter (Inch) Type Prop Prop Prop Drive type Direct Direct Direct Quantity of motors Motor HP each No. speeds Nominal total CFM 3300 3700...
- Page 26 5167534-YIM-G-0518 ZH037-061 Two Stage Gas Physical Data Models Component ZH037 ZH049 ZH061 Nominal Tonnage AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (MBh) 37000 50000 61000 AHRI net capacity (MBh) 36000 48000 58000 11.8 11.8 11.8 SEER Nominal CFM 1200 1600 2000...
-
Page 27: Optional Electric Heat
5167534-YIM-G-0518 ZH037-061 Two Stage Gas Physical Data (Continued) Models Component ZH037 ZH049 ZH061 Nominal Tonnage CONDENSER FAN DATA Quantity of fans Fan diameter (Inch) Type Prop Prop Prop Drive type Direct Direct Direct Quantity of motors Motor HP each No. speeds Nominal total CFM 3300 3700... -
Page 28: Optional Gas Heat
5167534-YIM-G-0518 Optional Gas Heat These gas-fired heaters have aluminized-steel or optional stainless steel, tubular heat exchangers with spark ignition. OPTIONAL Gas Piping COIL GUARD Proper sizing of gas piping depends on the cubic feet per hour SHOWN of gas flow required, specific gravity of the gas and the length of run. -
Page 29: Gas Heat Minimum Supply Air
5167534-YIM-G-0518 Table 13: Gas Heat Minimum Supply Air Supply Air (CFM) Size Model Heat Size Heating (Tons) H06 / N06 2220 H08 / N08 2370 H12 / N12 1130 1800 H06 / N06 2220 H08 / N08 2370 H12 / N12 1290 2250 H08 / N08... -
Page 30: Options/Accessories
5167534-YIM-G-0518 For satisfactory operation, LP gas pressure must be 10.5 inch electric heaters are fused and intended for use with single point W.C. at the unit under full load. Maintaining proper gas power supply. pressure depends on three main factors: Smoke Detectors The vaporization rate which depends on the temperature of the liquid and the “wetted surface”... -
Page 31: Economizer Sequences
5167534-YIM-G-0518 Economizer Dry Bulb Changeover The Economizer can be a factory installed option or a field For dry bulb economizer operation, the outside air is suitable for installed accessory. If factory installed, refer to the instructions free cooling if the outside air temperature is 1°F below the included with the outdoor air hood to complete the assembly. -
Page 32: Power Exhaust
5167534-YIM-G-0518 If the supply air temperature cannot be maintained within 5°F of compressor outputs will be de-energized as long as their the economizer setpoint, the first stage compressor (C1) will be minimum run timers have expired. turned on. Second stage compressor (C2) will be added as needed to keep the supply air temperature within the 5°F of the Power Exhaust economizer setpoint. -
Page 33: Smart Equipment™ Economizer Board Details
5167534-YIM-G-0518 Figure 25: SE-ECO1001-0 Economizer Controller Table 14: Smart Equipment™ Economizer Board Details Board Cover Description Function & Comments Label Label Directional orientation: viewed with the center text of the cover label upright ANALOG INPUTS Terminal at left on upper edge of economizer board 24 VAC common/0-10 VDC negative for Connects through circuit trace to 24V~ IN pin COM economizer actuator position feedback... - Page 34 5167534-YIM-G-0518 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label EconCtrlr parameter reports UCB-to-economizer board SA BUS communication status. Positive of the VDC (typically, a fluctuating 1.5 to 3.5 volts reading to C; at least 0.25 volts lower –...
- Page 35 5167534-YIM-G-0518 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24 VAC hot connection to power the economizer board. 24 VAC transformer HOT Connects through circuit traces to R/24V~ terminals and pins distributed on the economizer board. ANALOG INPUTS Terminal on lower edge of economizer board 24 VAC hot supplied for the outdoor air 24V~...
-
Page 36: Supply Air Limitations
5167534-YIM-G-0518 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 24 VAC common/0-5 VDC negative for the Connects through circuit trace to 24V~ IN pin COM building pressure sensor BINARY INPUTS at right on lower edge of economizer board Purge parameter reports input status (False with 0 VAC input- True with 24 VAC input). -
Page 37: Belt Adjustment
5167534-YIM-G-0518 Belt Tension The tension on the belt should be adjusted as shown in Figure 26. Procedure for adjusting belt tension: 1. Loosen six nuts (top and bottom) A. 2. Adjust by turning (B). 3. Never loosen nuts (C). 4. Use belt tension checker to apply a perpendicular force to one belt at the midpoint of the span as shown. -
Page 38: Altitude/Temperature Correction Factors
5167534-YIM-G-0518 Table 16: Altitude/Temperature Correction Factors Altitude (Ft.) Temp. 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 1.060 1.022 0.986 0.950 0.916 0.882 0.849 0.818 0.788 0.758 0.729 1.039 1.002 0.966 0.931 0.898 0.864 0.832 0.802 0.772 0.743 0.715 1.019 0.982... - Page 39 5167534-YIM-G-0518 Drive Selection Determine side or bottom supply duct Application. Determine desired airflow. Calculate or measure the amount of external static pressure. Using the operating point determined from steps 1, 2 & 3, locate this point on the appropriate supply air blower performance table.
-
Page 40: Airflow Performance
5167534-YIM-G-0518 Airflow Performance Table 17: Airflow Performance - Side Duct Application ZH037 (3.0 Ton) Side Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 1.5 HP &... -
Page 41: Airflow Performance - Bottom Duct Application
5167534-YIM-G-0518 Table 18: Airflow Performance - Bottom Duct Application ZH037 (3.0 Ton) Bottom Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 1.5 HP &... -
Page 42: Air Balance
5167534-YIM-G-0518 Table 19: RPM Selection Size Motor Blower 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Fully Model (Tons) Sheave Sheave Open Open Open Open Open Open Closed 1VM34 AK69 1VL44 AK69 1008 1062 1VM34 AK56 1VL44 AK56 1062... -
Page 43: Dry Coil Delta P
5167534-YIM-G-0518 Select the correct blower performance table for the unit from Table 18. 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 44: Motor Sheave Datum Diameters
5167534-YIM-G-0518 EXAMPLE Supply Air Drive Adjustment A 4 ton unit was selected to deliver 1,700 CFM with a 1.5 HP motor, but the unit is delivering 1,400 CFM. The variable pitch motor sheave is set at 3 turns open. Before making any blower speed changes review the Use the equation to determine the required DD for the new installation for any installation errors, leaks or undesirable motor sheave,... -
Page 45: Additional Static Resistance
5167534-YIM-G-0518 Table 23: Additional Static Resistance Electric Heat kW Size Model CFM Cooling Only Economizer 4” Pleated Filter (Tons) 0.05 -0.05 0.01 0.00 0.00 0.00 0.01 0.01 0.01 1000 0.05 -0.03 0.02 0.00 0.00 0.00 0.02 0.02 0.02 1100 0.04 -0.02 0.03 0.01... -
Page 46: Operation
5167534-YIM-G-0518 supply air temperature as monitored by the discharge air sensor. Operation If the outdoor air enthalpy is above the setpoint, “Y1” energizes the compressor and condenser fan motor only. Cooling Sequence Of Operation Once the thermostat has been satisfied, it will de-energize “Y1”. If ®... -
Page 47: Electric Heating Sequence Of Operations
5167534-YIM-G-0518 compressor operation. The off cycle will begin immediately High-Pressure Limit Switch following the elapse of the minimum run time. During cooling operation, if a high-pressure limit switch opens, When operating in low ambient mode, an evaporator low limit the UCB will de-energize the compressor, initiate the ASCD sensor (EC1) temperature below 26ºF will de-energize the (Anti-short cycle delay), and stop the condenser fans. -
Page 48: Electric Heat Operation Errors
5167534-YIM-G-0518 the blower motor. If the second stage of heat is required, Table 24: Electric Heat Limit Setting heater relay (RB) will be energized. After completing the LIMIT specified fan on delay for heating, the UCB will energize HEATER UNIT (TONS) VOLTAGE SWITCH the blower motor. -
Page 49: Gas Heating Sequence Of Operations
5167534-YIM-G-0518 Gas Heating Sequence Of Operations Recycle Operation When a flame is lost after the flame stabilization period, a recy- When the thermostat calls for the first stage of heating, the low- cle operation occurs. If the unit fails after five recycle attempts, voltage control circuit from “R”... -
Page 50: Start-Up (Cooling)
5167534-YIM-G-0518 the UCB will de-energize the indoor blower following the elapse Consequently, the control will only respond in the same manner of the fan off delay for heating. as outlined above under “Pressure Switch”. An open roll-out will inhibit the gas valve from actuating. If voltage has been sensed at the GV for at least 15 seconds during the fan on delay for heating and GV voltage or “W1”... -
Page 51: Start-Up (Gas Heat)
5167534-YIM-G-0518 Operating Instructions Turn unit electrical power on. NOTE: Prior to each cooling season, the crankcase heaters FIRE OR EXPLOSION HAZARD must be energized at least 10 hours before the system Failure to follow the safety warning exactly could result is put into operation. -
Page 52: Gas Rate Cubic Feet Per Hour
5167534-YIM-G-0518 To determine the rate of gas flow (First Stage) NOTE: To find the Btu input, multiply the number of cubic feet of gas consumed per hour by the Btu content of the gas Turn off all other gas appliances connected to the gas in your particular locality (contact your gas company for meter. -
Page 53: Gas Heat Stages
5167534-YIM-G-0518 Open the union fitting just upstream of the unit gas valve Table 28: Gas Heat Stages and downstream from the main manual shut-off valve in Unit 2nd Stage Total the gas supply line. # of Burner 1st Stage Input Input Tubes Input (Mbh) -
Page 54: Charging The Unit
5167534-YIM-G-0518 Smart Equipment™ Control Board ELECTRICAL ADJUSTMENT TERMINALS Navigation Components The following components are needed to access the control points in the Smart Equipment™ control. Installation and operation guides are available from your equipment dealer or distributor. INLET OUTLET PRESSURE PRESSURE Local LCD on Unit Control Board. -
Page 55: Smart Equipment™ Ucb Details
5167534-YIM-G-0518 Table 29: Smart Equipment™ UCB Details Description Function & Comments Terminal Directional orientation: viewed with silkscreen labels upright Limit, 24 VAC power and shutdown connections from unit wiring harness at left on upper edge of UCB Monitored 24 VAC input through heat section limit If voltage is absent, indicating the heat section is over- LIMIT switch(es) - Page 56 5167534-YIM-G-0518 Table 29: 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) Lit/flickering indicates UCB SA bus communication is currently...
- Page 57 5167534-YIM-G-0518 Table 29: 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 5167534-YIM-G-0518 Table 29: 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 24 VAC hot out for refrigerant circuit 1 High...
- Page 59 5167534-YIM-G-0518 Table 29: 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 &...
-
Page 60: Cable For Fc Buses And Sa Buses In Order Of Preference . 60 31 Ignition Control Flash Codes
5167534-YIM-G-0518 Table 30: Cable for FC Buses and SA Buses in Order of Preference Non-Plenum Applications Plenum Applications Bus and Cable Type Part Number O.D. Part Number O.D. Anixter: Anixter: CBL-22/3-FC-PLN CBL-22/3-FC-PVC 0.138 in. 0.140 in. FC Bus: 22 AWG Stranded, 3-Wire Twisted Shielded Cable Belden: B6501FE Belden®: B5501FE Anixter:... -
Page 61: Start-Up Sheet
5167534-YIM-G-0518 Start-Up Sheet Johnson Controls Ducted Systems... - Page 62 5167534-YIM-G-0518 Johnson Controls Ducted Systems...
- Page 63 5167534-YIM-G-0518 Johnson Controls Ducted Systems...
- Page 64 5167534-YIM-G-0518 Johnson Controls Ducted Systems...
- Page 65 5167534-YIM-G-0518 Johnson Controls Ducted Systems...
- Page 66 Subject to change without notice. Printed in U.S.A. 5167534-YIM-G-0518 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5167534-YIM-F-0717 York International Corporation 5005 York Drive Norman, OK 73069...
Need help?
Do you have a question about the ZH Series and is the answer not in the manual?
Questions and answers