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5326602-XIM-B-1019

Johnson Controls Ducted Systems

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Содержание ZF SERIES

Страница 1: ...r Imperial 25 18 Gas Heat Minimum Supply Air Metric 25 19 Gas Pipe Sizing Capacity of Pipe 26 20 Smart Equipment Economizer Board Details 30 21 Supply Air Limitations 33 22 Airflow Performance Side Du...

Страница 2: ...oning equipment Be sure to follow all other applicable safety precautions and codes including ANSI Z223 1 or CSA B149 1 latest edition Improper installation may create a condition where the operation...

Страница 3: ...ombustible material and may be installed directly on combustible flooring or in the U S on wood flooring or Class A Class B or Class C roof covering materials 4 For use with natural gas convertible to...

Страница 4: ...SD SST Drain Pan A No Economizer B Economizer w Barometric RLF D Economizer w Power EXH H Motorized Damper Outdoor Air Option 1 No Service Options 2 DSC Disconnect Switch A No Sensors B PHM Phase Moni...

Страница 5: ...s Figure 1 Unit Shipping Bracket 2 Turn each bracket toward the ground and the protective plywood covering will drop to the ground 3 Remove the condenser coil external protective covering prior to ope...

Страница 6: ...ducts 1 877 UPG SERV for guidance Additional accessories may be needed for stable operation at temperatures below 30 F Roof curbs in eight and fourteen inch heights Roof curbs for transitioning from Y...

Страница 7: ...unit is near the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreader bars whose length exceeds the largest dimension across...

Страница 8: ...Location lbs Shipping Operating X Y A B C D A B C D E F 120 10 ZF 1065 1060 38 24 247 184 268 360 173 141 117 171 206 253 150 12 5 ZF 1258 1253 47 25 251 280 381 341 164 176 190 259 240 223 Table 3 W...

Страница 9: ...le 8 tube 110 110 Table 5 ZF120 150 Unit Accessory Weights Metric Unit Accessory Weight kg Shipping Operating Economizer 40 8 38 6 Power Exhaust 18 1 15 9 Electric Heat1 1 Weight given is for the maxi...

Страница 10: ...4X 24 38 NOTE XXX Indicates Millimeters 619 1159 379 379 1499 379 765 761 1499 106 694 538 2261 289 Table 6 ZF120 150 Unit Physical Dimensions Imperial Unit Model Number Dimension in A B C D E F 120...

Страница 11: ...F120 150 Unit Clearances Metric Direction Distance mm Direction Distance mm Top1 1 Units must be installed outdoors Over hanging structure or shrubs should not obscure condenser air discharge outlet 1...

Страница 12: ...tom gas supply entry FRONT RETURN AIR SUPPLY AIR RIGHT LEFT 20 1 8 19 1 8 17 1 8 6 13 16 6 13 16 32 11 16 14 1 2 16 3 8 18 1 16 25 9 16 12 5 16 27 1 2 24 21 18 89 2261 830 173 173 690 457 610 533 511...

Страница 13: ...2 ZF120 Unit Side Duct Openings Disconnect Swith Cover Power Entry 2 1 2 Control Entry 7 8 Power Entry 2 1 2 Convenience Outlet Cover Convenience Outlet Power Entry 7 8 FRONT 64 22 64 22 Dot Plugs 5 5...

Страница 14: ...2 7 8 5 5 32 D C 31 5 8 18 1 4 B A 464 75 805 131 NOTE XXX Indicates Millimeters Table 10 ZF Side Duct Dimensions Imperial Unit Model Number Dimension in A B C D 120 28 1 4 18 1 16 28 1 4 18 1 4 150 2...

Страница 15: ...with flexible joints to minimize noise The supply and return air duct systems should be designed for the CFM and static pressure requirements of the job They 5 0 1 2 1 2 8 5 3 0 7 6 0 2 0 5 1 0 8 0 5...

Страница 16: ...eat exchanger and unit bottom but there is room The return panel is secured with four screws Figure 17 Side Panels With Hole Plugs NOTE Orientation Panel is insulation side up Figure 18 Return Downflo...

Страница 17: ...onal Electrical Code NEC ANSI NFPA No 70 Latest Edition in U S A current Canadian Electrical Code C221 and or local ordinances The unit must be electrically grounded in accordance with NEC and CEC as...

Страница 18: ...r control circuit and power wiring information Power Wiring Detail Units are factory wired for the voltage shown on the unit nameplate Refer to Electrical Data Table 13 to size power wiring fuses and...

Страница 19: ...IM B 1019 Johnson Controls Ducted Systems 19 Figure 23 Field Wiring Disconnect Cooling Unit With Gas Heat L1 T1 L2 T2 T3 L3 THREE PHASE POWER SUPPLY FACTORY OR FIELD SUPPLIED DISCONNECT GROUND LUG CON...

Страница 20: ...ation See unit wiring diagram OCC C RC G Y2 Y1 W2 W1 X R THERMOSTAT TERMINALS CONTROL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 1 4 3 1 2 4 Second stage ot required on single stage h...

Страница 21: ...upply Blower Motor Pwr Exh Motor Electric Heat Option MCA1 Amps 1 Minimum Circuit Ampacity MCA1 w Pwr Exh Amps Max Fuse2 Breaker3 Size Amps 2 Maximum Over current Protection per Standard UL 1995 3 Fus...

Страница 22: ...ant used R 410A R 410A Refrigerant charge lb oz System 1 7 12 8 3 System 2 7 8 8 10 AHRI HEATING PERFORMANCE Heating model N18 N24 N18 N24 Heat input K Btu 180 240 180 240 Heat output K Btu 144 192 14...

Страница 23: ...DATA Quantity 1 1 Fan Size Inch 15 x 15 15 x 15 Type Centrifugal Centrifugal Motor Sheave 1VM50 1VP56 1VP56 Blower Sheave AK74 AK66 BK72 Belt A54 A56 BX56 Motor HP each 50 Hz 2 4 4 RPM 50 Hz 14253 14...

Страница 24: ...ed where required by the factory Some kW sizes require fuses and others do not refer to Tables 15 and 16 for minimum CFM limitations and to Table 13 for electrical data Table 15 Electric Heat Minimum...

Страница 25: ...differ with locality The value should be checked with the local gas utility Figure 25 Side Entry Gas Piping Figure 26 Bottom Entry Gas Piping NOTE Maximum capacity of pipe in cubic feet of gas per hou...

Страница 26: ...for use with LP gas with accessory kit model number 1NP0442 All LP gas equipment must conform to the safety standards of the National Fire Protection Association Table 19 Gas Pipe Sizing Capacity of...

Страница 27: ...ing to NFPA 72 requirements and cleaned at least once a year For specific troubleshooting and maintenance procedures please refer to the smoke detector s installation instructions which accompanies th...

Страница 28: ...sure The opening pressure of the bypass valve is adjustable between 95 and 115 psig with a factory setting of 105 psig HGBP is optional with CV units Economizer Sequences Several functions can drive t...

Страница 29: ...omizer output returns to 100 Once a compressor output is turned ON the economizer dampers continue to modulate to control the supply air temperature to the Economizer Setpoint At no time will a compre...

Страница 30: ...nomizer actuator position feedback Connects through circuit trace to 24V IN pin HOT C COM Mixed Air Temperature sensor input from 10K 77 F Type III negative temperature coefficient thermistor MAT para...

Страница 31: ...r Used to ramp the power exhaust fan VFD position the discharge damper actuator COM 24 VAC common 0 10 VDC negative for the power exhaust variable frequency drive discharge damper modulating power exh...

Страница 32: ...sitive input from the Indoor Air Quality sensor IAQRange parameter sets the CO2 parts per million measured by the indoor air quality sensor when it outputs 10 VDC IAQ parameter reports input status 0...

Страница 33: ...e unit point of power connection is misphased See PHASING Belt Tension The tension on the belt should be adjusted as shown in Figure 28 R 24V 24 VAC hot supplied for the building pressure sensor Conne...

Страница 34: ...high altitude is less dense less static pressure will be generated and less power will be required than a similar application at sea level Air density correction factors are shown in Table 22 and Fig...

Страница 35: ...7 1 88 2 06 1 65 1 73 1 78 1 43 1 59 1 55 1 24 1 43 1 35 1 08 249 1 85 2 17 1 74 1 74 1 92 1 54 1 54 1 62 1 30 1 28 1 33 1 06 299 1 66 1 98 1 58 1 46 1 69 1 35 349 1 32 1 66 1 33 ESP iwg Turns Open 0...

Страница 36: ...g Turns Open 0 1 2 3 4 5 CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP 0 35 6150 4171 4 47 5915 3774 4 05 5610 3309 3 55 5396 2948 3 16 4960 2495 2 68 0 6 5850 39...

Страница 37: ...2 63 3 72 2 97 2 55 3 38 2 70 2 40 2 94 2 35 2 28 2 58 2 07 2 05 2 15 1 72 249 2 67 4 09 3 27 2 51 3 52 2 81 2 40 3 12 2 49 2 25 2 73 2 18 2 12 2 38 1 90 1 86 1 94 1 55 299 2 52 3 82 3 06 2 39 3 31 2...

Страница 38: ...29 1 03 149 1 90 2 23 1 79 1 80 1 98 1 59 1 66 1 72 1 38 1 53 1 51 1 20 1 40 1 33 1 07 199 1 75 2 07 1 65 1 62 1 82 1 45 1 45 1 55 1 24 249 1 57 1 89 1 51 1 41 1 64 1 32 299 1 38 1 71 1 37 ESP iwg Tu...

Страница 39: ...5 1 24 448 1 77 2 63 2 10 1 63 2 24 1 79 1 45 1 90 1 52 498 1 61 2 43 1 94 1 47 2 05 1 64 548 1 44 2 23 1 78 ESP iwg Turns Open 0 1 2 3 4 5 CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM...

Страница 40: ...1 90 2 28 1 83 1 81 2 01 1 61 299 2 20 3 25 2 60 2 07 2 82 2 26 1 93 2 47 1 97 1 70 2 05 1 64 349 2 06 3 05 2 44 1 93 2 63 2 10 1 78 2 28 1 82 399 1 92 2 84 2 27 1 78 2 44 1 95 448 1 77 2 63 2 10 NOTE...

Страница 41: ...6 inch holes one in the return air duct as close to the inlet of the unit as possible and another in the supply air duct as close to the outlet of the unit as possible 2 Using the whole drilled in ste...

Страница 42: ...fter reading has been obtained remove the tubes and seal holes 9 Tighten blower pulley and motor sheave set screws after any adjustments Re check set screws after 10 12 hrs run time is recommended NOT...

Страница 43: ...le systems effects that can result in loss of airflow Even small changes in blower speed can result in substantial changes in static pressure and BHP BHP and AMP draw of the blower motor will increase...

Страница 44: ...full economizer operation Electric Heat KW2 18 24 36 54 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 18 310...

Страница 45: ...mostat fan switch set to AUTO and the system switch set to either the AUTO or HEAT settings the blower is energized whenever a cooling or heating operation is requested The blower is energized after a...

Страница 46: ...rgized the economizer Y2 will energize compressor 1 If the outdoor air is above the set point Y2 will energize compressor 2 Once the thermostat has been satisfied it will de energize Y1 and Y2 If the...

Страница 47: ...ent mode the UCB has an Outdoor Air Temperature Sensor OAT with a low ambient setpoint at 45 F default When the OAT Sensor senses a temperature below the low ambient setpoint and the thermostat is cal...

Страница 48: ...le 30 for the required electric heat anticipator setting Gas Heating Sequence Of Operations When the thermostat calls for the first stage of heating the low voltage control circuit from R to W1 is com...

Страница 49: ...itself If the ICB finds the flame detection circuitry to be faulty the ICB will not permit an ignition sequence and the draft motor is energized If this failure should occur during an ignition cycle...

Страница 50: ...it will cease all outputs ignore inputs and display the proper flash code for control replacement The ICB remains in this condition until replaced Flash Codes The ICB will initiate a flash code assoc...

Страница 51: ...Turn ON electric power to unit 5 If thermostat set temperature is above room temperature the main burners will ignite If a second stage of heat is called for the main burners for second stage heat wi...

Страница 52: ...er fire the furnace on first stage If in doubt it is better to leave the first stage of the furnace slightly over fired greater than 60 input Repeat Steps 1 6 NOTE To find the Btu input multiply the n...

Страница 53: ...determine the furnace temperature rise Take readings of both the return air and the heated air in the ducts about 6 feet from the furnace where they will not be affected by radiant heat Increase the b...

Страница 54: ...Normal Operation 1 Not Applicable 2 Pressure Switch Stuck Closed Pressure Switch 3 Pressure Switch Failed To Close Venter Pressure Switch Vent Blocked 4 Limit Switch Open Main Limit AUX Limit 5 Flame...

Страница 55: ...stat connection strip R terminal right FAN OVR pin right HPS1 pin right HPS2 pin lower DFS pin and lower APS pin Terminal Thermostat connection strip on left edge of UCB W1 1st stage heating request 2...

Страница 56: ...e temperature if no other space temperature input is present OAT Outside Air Temperature sensor input from 10K 77 F Type III negative temperature coefficient thermistor Input required for operation bu...

Страница 57: ...ontact switching Output relay circuitry is isolated from other UCB components and the 24 VAC hot source may be from a second transformer in the unit Pin Heat section connections at right on lower edge...

Страница 58: ...through circuit trace to the right LPS2 pin LPS2 right pin 24 VAC hot out for refrigerant circuit 2 Low Pressure Switch Not effective for one stage compressor UCBs Connects through circuit trace to th...

Страница 59: ...he communication board FC FC Field Connected BUS BACnet MSTP communication Positive of the VDC typically a fluctuating 1 5 to 3 5 volts reading to COM at least 0 25 volts higher than FC bus BACnet MST...

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