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R-410A
ZV SERIES W/SMART EQUIPMENT™
3 - 5 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
1 ZVTA3 thru TA5 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZVTA3 thru TA5 Unit Accessory Weights . . . . . . . . . . . . . . . . 9
4 ZVTA3 thru TA5 Unit Physical Dimensions . . . . . . . . . . . . . . 10
5 ZVTA3 thru TA5 Unit Clearances . . . . . . . . . . . . . . . . . . . . . 10
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 25
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 26
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . 27
14 Smart Equipment™ Economizer Board Details . . . . . . . . . . 32
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 36
17 Airflow Performance - Side Duct Application . . . . . . . . . . . . . 39
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 ZV Component Location (ZVTA3 Shown) . . . . . . . . . . . . . . . 7
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 ZVTA3 thru TA5 Physical Dimensions . . . . . . . . . . . . . . . . . . 9
8 ZVTA3 thru TA5 Unit Bottom Duct Openings . . . . . . . . . . . . 11
9 ZVTA3 thru TA5 Unit Electrical Entry . . . . . . . . . . . . . . . . . . 12
10 ZVTA3 thru TA5 Unit Side Duct Openings . . . . . . . . . . . . . . 12
11 ZVTA3 thru TA5 Unit Left Duct Opening . . . . . . . . . . . . . . . 13
12 ZVTA3 thru TA5 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . 13
13 ZVTA3 thru TA5 Transition Roof Curb . . . . . . . . . . . . . . . . . 14
14 ZVTA3 thru TA5 Roof Curb Cutaway . . . . . . . . . . . . . . . . . . 14
15 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . . 15
16 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . . 15
TABLE OF CONTENTS
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Airflow Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Electric Heating Sequence Of Operations. . . . . . . . . . . . . . . . 46
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 46
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 47
Ignition Control Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 48
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . . 52
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
LIST OF TABLES
18 Airflow Performance - Bottom Duct Application . . . . . . . . . . 40
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 41
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 41
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 43
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 44
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 47
26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 49
27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 50
28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
29 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 53
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 58
32 ZVTA3 Charging Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
33 ZVTA4 Charging Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
34 ZVTA5 Charging Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
LIST OF FIGURES
17 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
18 Save Side Panels For Economizer Hood Tops . . . . . . . . . . 15
19 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
20 Field Wiring Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
21 Typical Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
22 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
23 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
24 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
25 SE-ECO1001-1 Economizer Controller . . . . . . . . . . . . . . . . 32
26 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
27 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 37
28 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
29 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
30 Typical Two Stage Gas Valve . . . . . . . . . . . . . . . . . . . . . . . 52
31 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
5370939-TIM-C-0518
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Summary of Contents for Johnson Controls ZV Series
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Page 1: Table Of Contents
R-410A ZV SERIES W/SMART EQUIPMENT™ 3 - 5 Ton 60 Hertz TABLE OF CONTENTS General ..........2 Auto . -
Page 2: General
Be sure to follow all other applicable safety precautions and codes including ANSI Z223.1 or CSA- B149.1- latest edition. Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available during brazing operations. Johnson Controls Ducted Systems... - Page 3 • Manual Outdoor Air Damper (0-35%) • Gas Heat Propane Conversion Kit • Gas Heat High Altitude Kit (Natural Gas) • Gas Heat High Altitude Kit (Propane) • –60F Gas Heat Kit • Electric Heater Accessory Johnson Controls Ducted Systems...
- Page 4 Y = Options 4 & 5 Z = Options 3, 4 & 5 Options 1 = Disconnect 2 = Non-Pwr'd Conv. Outlet 3 = Smoke Detector S.A. 4 = Smoke Detector R.A. 5 = Pwr'd Conv. Outlet Johnson Controls Ducted Systems...
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Page 5: Installation
Figure 2: Condenser Covering construction has not contaminated the unit. NOTE: Should the unit be used during the construction phase the standard limited warranty provisions go into effect once the unit is placed into operation. Johnson Controls Ducted Systems... -
Page 6: Limitations
In U.S.A.: department for Ducted Systems @ 1-877-874-SERV for National Electrical Code, ANSI/NFPA No. 70 - Latest guidance. Additional accessories may be needed for Edition stable operation at temperatures below 30° F. Johnson Controls Ducted Systems... -
Page 7: Location
Where a choice of location is possible, position the unit on either north or east side of building. Maintain level tolerance to 1/2” across the entire width and length of unit. Suitable for mounting on roof curb. Johnson Controls Ducted Systems... -
Page 8: Rigging And Handling
TempMaster roof curb, gasketing must be applied to all surfaces that come in contact with the unit underside. Table 2: Weights and Dimensions Weight (lbs.) Center of Gravity 4 Point Load Location (lbs.) Size Model (Tons) Shipping Operating 42.4 24.7 42.5 25.5 41.6 25.5 Johnson Controls Ducted Systems... -
Page 9: Zvta3 Thru Ta5 Unit Accessory Weights
(8 tube). 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 7: ZVTA3 thru TA5 Physical Dimensions Johnson Controls Ducted Systems... -
Page 10: Zvta3 Thru Ta5 Unit Physical Dimensions
1. Units must be installed outdoors. Over hanging structure or shrubs should not obscure condenser air discharge outlet. 2. Units may be installed on combustable floors made from wood or class A, B or C roof covering materials. Johnson Controls Ducted Systems... -
Page 11: Zvta3 Thru Ta5 Unit Bottom Duct Openings
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 0.875 Ø 2.469 Figure 8: ZVTA3 thru TA5 Unit Bottom Duct Openings Johnson Controls Ducted Systems... -
Page 12: Side Duct Dimensions
Figure 10: ZVTA3 thru TA5 Unit Side Duct Openings Table 6: Side Duct Dimensions Dimension (in.) Unit Model Number ZVTA3 27 3/4 12 1/16 27 1/2 ZVTA4 27 3/4 12 1/16 27 1/2 ZVTA5 27 3/4 12 1/16 27 1/2 Johnson Controls Ducted Systems... -
Page 13: Left/End Duct Dimensions
ZVTA4 30.357 13.365 22.516 ZVTA5 30.357 13.365 22.516 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 12: ZVTA3 thru TA5 Roof Curb Johnson Controls Ducted Systems... -
Page 14: Zvta3 Thru Ta5 Transition Roof Curb
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 14: ZVTA3 thru TA5 Roof Curb Cutaway Johnson Controls Ducted Systems... -
Page 15: Ductwork
Condensate Drain Figure 15: Side Panels With Hole Plugs The side condensate drain is reversible and maybe re-oriented to NOTE: Orientation. Panel is “insulation” side up. the rear of the cabinet to facilitate condensate piping. A Johnson Controls Ducted Systems... -
Page 16: Compressors
R-22. No other refrigerant may be used in this system. The compressor also uses a polyolester (POE oil), Mobil 3MA Do not loosen compressor mounting bolts. POE. This oil is extremely hygroscopic, meaning it absorbs water Johnson Controls Ducted Systems... -
Page 17: Filters
208-3-60 operation. See unit wiring diagram. will also apply when installing a field supplied disconnect switch. The internal wiring harnesses furnished with this unit are an integral part of the design certified unit. Field alteration to Johnson Controls Ducted Systems... -
Page 18: Field Wiring Disconnect
Refer to Electrical Data Table 9 to size power or the basepan inside the curb. wiring, fuses, and disconnect switch. TERMINAL BLOCK TB1 FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 20: Field Wiring Disconnect Johnson Controls Ducted Systems... -
Page 19: Control Wire Sizes
Jumper is required for any co of R, RC, or RH. OCC is an output from the thermostat to indicate the Occupied X is an input to the thermostat to display Error Status condi ons. Figure 21: Typical Control Wiring Johnson Controls Ducted Systems... -
Page 20: Electrical Data
28.9 38.7 41.5 None 11.7 13.5 13.3 15.6 38.9 15.0 14.4 20.5 22.8 20.0 19.2 26.6 28.8 24.0 23.1 31.4 33.6 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems... - Page 21 28.9 40.0 42.8 None 11.9 13.7 13.6 15.9 38.9 15.0 14.4 20.8 23.0 20.0 19.2 26.8 29.0 24.0 23.1 31.6 33.9 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
- Page 22 28.9 45.0 47.7 None 15.7 17.5 18.3 20.6 38.9 15.0 14.4 25.5 27.8 20.0 19.2 31.6 33.8 24.0 23.1 36.4 38.6 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
- Page 23 28.9 46.3 49.0 None 15.9 17.7 18.6 20.9 38.9 15.0 14.4 25.8 28.0 20.0 19.2 31.8 34.0 24.0 23.1 36.6 38.9 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
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Page 24: Physical Data
Fins per inch Tube diameter (in./MM) .98/25 .98/25 .98/25 Circuitry Type 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel EVAPORATOR COIL DATA Face area (Sq. Ft.) 10.56 10.56 10.56 Rows Fins per inch Tube diameter 0.375 0.375 0.375 Refrigerant control Johnson Controls Ducted Systems... -
Page 25: Optional Electric Heat
208/230-3-60 1020 1000 460-3-60 600-3-60 208/230-3-60 1280 1420 1400 1400 460-3-60 1400 1400 1400 1400 600-3-60 1400 1400 1400 208/230-3-60 1600 1600 1600 1600 1600 460-3-60 1600 1600 1600 1600 1600 600-3-60 1600 1600 1600 1600 Johnson Controls Ducted Systems... -
Page 26: Optional Gas Heat
NOTE: There may be a local gas utility requirement specifying a minimum diameter for gas piping. All units require a 3/4 inch pipe connection at the entrance fitting. Line should not be sized smaller than the entrance fitting size. Johnson Controls Ducted Systems... -
Page 27: Gas Heat Minimum Supply Air
Check all joints for leaks with soap solution or other material suitable for the purpose. NEVER USE A FLAME. All LP gas equipment must conform to the safety standards of the National Fire Protection Association. Johnson Controls Ducted Systems... -
Page 28: Options/Accessories
If factory installed, refer to installation. These heaters mount in the heat compartment with the instructions included with the outdoor air hood to complete the heating elements extending into the supply air chamber. All Johnson Controls Ducted Systems... -
Page 29: Simplified Vfd Wiring
Once a drive has been selected and installed, refer to the drive manufacturer's recommendations for proper fuse sizing. Johnson Controls Ducted Systems... -
Page 30: Economizer Sequences
The control determines the type of free cooling changeover based on which sensors are present and reliable. Conditions If at any time the economizer output goes above the minimum include: position the timer stops and resets when the economizer output returns to minimum position. Johnson Controls Ducted Systems... - Page 31 Econo Damper Position For Exh Fan ON Percent Economizer Damper Position For Exhaust Fan On. g. Econo Damper Position For Exh Fan OFF Percent c. De-energizes exhaust fan when economizer output is below the Economizer Damper Position for Exhaust Fan Johnson Controls Ducted Systems...
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Page 32: Smart Equipment™ Economizer Board Details
Negative of the SA BUS communication Common for SA BUS power and circuit to the UCB. Through the unit wiring harness, may continue communication circuits on to the 4-stage board and/or fault detection & diagnostics board Johnson Controls Ducted Systems... - Page 33 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. Johnson Controls Ducted Systems...
- Page 34 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). Used for modulating power exhaust functions when PRES Pressure sensor ExFType selection is Modulating Damper or Variable Frequency Fan. Johnson Controls Ducted Systems...
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Page 35: Supply Air Limitations
If the scroll is drawing low amperage, has similar suction and discharge pressures, or producing a high noise level, the scroll is misphased.) Belt Tension The tension on the belt should be adjusted as shown in Figure 26. Johnson Controls Ducted Systems... -
Page 36: Altitude/Temperature Correction Factors
0.743 0.715 0.688 0.982 0.947 0.913 0.880 0.848 0.817 0.787 0.758 0.730 0.702 0.676 0.964 0.929 0.897 0.864 0.833 0.802 0.772 0.744 0.716 0.689 0.663 0.946 0.912 0.880 0.848 0.817 0.787 0.758 0.730 0.703 0.676 0.651 Johnson Controls Ducted Systems... -
Page 37: Altitude/Temperature Correction Factors
This value must be corrected for elevation. Example 2: A system, located at 5,000 feet of elevation, is to deliver 1,400 CFM at a static pressure of 1.5". Use the unit BHP at 5,000 ft. = 0.7 x .832 = 0.58 Johnson Controls Ducted Systems... - Page 38 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Fully Model (Tons) Sheave Sheave Open Open Open Open Open Open Closed 1.73 1VL40 AK61 1029 1089 2.30 1VP56 AK74 1035 1084 1134 1183 1232 1281 Johnson Controls Ducted Systems...
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Page 39: Airflow Performance - Side Duct Application
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. 4. Field Supplied Drive. Johnson Controls Ducted Systems... -
Page 40: Airflow Performance - Bottom Duct Application
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. 4. Field Supplied Drive. Johnson Controls Ducted Systems... -
Page 41: Air Balance
To assure a dry coil, the compressors screws after these adjustments. Re-checking set screws should be de-activated while the test is being run. after 10-12 hrs. run time is recommended. Johnson Controls Ducted Systems... -
Page 42: Dry Coil Delta P
2650 2450 2250 2050 TA4, TA5 1850 1650 1450 1250 1050 0.02 0.04 0.06 0.08 0.12 Dry Coil Delta P (IWG) Figure 28: Dry Coil Delta P Johnson Controls Ducted Systems... -
Page 43: Motor Sheave Datum Diameters
CFM. Adjustments of the blower speed and belt tension are REQUIRED. Verify proper sheave alignment; tighten blower pulley and motor sheave set screws after these adjustments. Re-checking set screws after 10-12 hrs. run time is recommended. Johnson Controls Ducted Systems... -
Page 44: Operation
Cooling SAT Lower Setpoint. Anti- Short Cycle Delay (5 min default) must have • If the output to the economizer actuator is at minimum elapsed. position and the supply air temperature drops more than 5 Johnson Controls Ducted Systems... -
Page 45: Cooling Operation Errors
45ºF (default). When the OAT Sensor senses a temperature below the low ambient setpoint and the NOTE: The following components are needed to access the control points in the Smart Equipment™ control. Johnson Controls Ducted Systems... -
Page 46: Electric Heating Sequence Of Operations
The UCB incorporates features to heater and energizing the blower. minimize compressor wear and damage. An Anti-Short Cycle Delay (ASCD) is utilized to prevent operation of a compressor Johnson Controls Ducted Systems... -
Page 47: Gas Heating Sequence Of Operations
If the unit fails after three ignition attempts, the furnace is locked-out for one hour. The furnace is monitored during this Table 25: Electric Heat Anticipator Setpoints one-hour period for unsafe conditions. SETTING, AMPS 0.13 Johnson Controls Ducted Systems... -
Page 48: Gas Heating Operation Errors
UCB will de-energize the indoor blower following the elapse replacement. The ICB remains in this condition until replaced. of the fan off delay for heating. Johnson Controls Ducted Systems... -
Page 49: Start-Up (Cooling)
Set the room thermostat setting lower than the room temperature. Check for correct manifold gas pressures. (See CHECKING First stage compressors will energize after the built-in time GAS INPUT.) delay (five minutes). Johnson Controls Ducted Systems... -
Page 50: Checking Gas Heat Input
“HI” marking on the valve and the first stage the dial, calculate the cubic feet of gas consumed per hour (60% input) adjustment screw is located adjacent to the “LO” (See example below). marking on the valve (See Figure 30). Johnson Controls Ducted Systems... -
Page 51: Gas Heat Stages
The temperature rise (the difference of temperature between the return air and the heated air from the furnace) must lie within the Figure 29: Typical Flame range shown on the CSA rating plate and the data in Table 10. Johnson Controls Ducted Systems... -
Page 52: Control Board Navigation Components
NOTE: For more in-depth sequence of operation of the Smart TERMINAL – HI (2ND STAGE) Equipment™ control, refer to the Smart Equipment™ Controls Sequence of Operation Overview LIT- Figure 30: Typical Two Stage Gas Valve 12011950. THERMOSTAT WIRED HERE SD-24 Figure 31: Unit Control Board Johnson Controls Ducted Systems... -
Page 53: Smart Equipment™ Ucb Details
SD-24 and R 24 VAC common for thermostat power LEDs on left edge of UCB POWER Green UCB power indicator Lit indicates 24 VAC is present at C and 24V terminals Johnson Controls Ducted Systems... - Page 54 Input required for variable air volume units. Used in VAV indoor DCT PRS+ w.c. sensor blower operation. 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 Johnson Controls Ducted Systems...
- Page 55 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 Johnson Controls Ducted Systems...
- Page 56 1.5 to 3.5 volts reading to C; at least 0.25 volts lower – Communication for SA BUS devices than +) SA BUS communication circuit to optional economizer board, 4-stage board, fault detection & diagnostics board, netstat and/or Multi Touch gateway Johnson Controls Ducted Systems...
- Page 57 Green communication board Isolated Power Lit indicates the UCB is supplying power to the communication ISO PWR indicator sub-board 1. When wiring unit and other devices using the SA Bus and FC Bus, see Table 30. Johnson Controls Ducted Systems...
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Page 58: Cable For Fc Buses And Sa Buses In Order Of Preference . 58 31 Ignition Control Flash Codes
Energized With W1 Off Second Stage Gas Valve Gas Valve Energized With First Stage Gas Valve Off Ignition Lockout Gas Flow Gas Pressure Gas Valve Flame Sensor No Power Or Control Steady Off 24VAC or Control Failure Johnson Controls Ducted Systems... -
Page 59: Charging The Unit
Liquid Liquid Delta T Compressor Indoor Db/Wb Pressure Temp. Pressure Temp. Amps 300 Cfm/Ton 80/62 300 Cfm/Ton 80/67 300 Cfm/Ton 80/72 300 Cfm/Ton 75/62 400 Cfm/Ton 80/62 400 Cfm/Ton 80/67 400 Cfm/Ton 80/72 400 Cfm/Ton 75/62 Johnson Controls Ducted Systems... -
Page 60: Zvta4 Charging Table
10.7 300 Cfm/Ton 11.7 80/72 12.8 10.4 300 Cfm/Ton 11.3 75/62 12.2 10.5 400 Cfm/Ton 11.4 80/62 12.3 10.7 400 Cfm/Ton 11.7 80/67 12.6 10.9 400 Cfm/Ton 11.9 80/72 12.9 10.5 400 Cfm/Ton 11.4 75/62 12.4 Johnson Controls Ducted Systems... -
Page 61: Start-Up Sheet
5370939-TIM-C-0518 Start-Up Sheet Johnson Controls Ducted Systems... - Page 62 5370939-TIM-C-0518 Johnson Controls Ducted Systems...
- Page 63 5370939-TIM-C-0518 Johnson Controls Ducted Systems...
- Page 64 5370939-TIM-C-0518 Johnson Controls Ducted Systems...
- Page 65 5370939-TIM-C-0518 Johnson Controls Ducted Systems...
- Page 66 Subject to change without notice. Printed in U.S.A. 5370939-TIM-C-0518 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5370939-TIM-B-0717 York International Corporation 5005 York Drive Norman, OK 73069...
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