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5120416-XIM-C-0216

Johnson Controls Unitary Products

37

NOTE:

De-energize the compressors before taking any test
measurements to assure a dry indoor coil.

Supply Air Drive Adjustment

The RPM of the supply air blower will depend on the required
CFM, the unit accessories or options and the static resistances
of both the supply and the return air duct systems. With this
information, the RPM for the supply air blower and the motor
pulley adjustment (turns open) can be determined from the
Blower Performance Data Tables.

Note the following:
1.

The supply air CFM must be within the limitations shown in
the Blower Performance Tables 13 and 21.

2.

Pulleys can be adjusted in half turn increments.

3.

The tension on the belt should be adjusted as shown in the
Bet Adjustment, Figure 19.

4.

Tighten blower pulley and motor sheave set screws after
any adjustments. Re-check set screws after 10-12 hours
run time recommended.

Belt drive blower systems MUST be adjusted to the
specific static and CFM requirements for the application.
The belt drive blowers are NOT set at the factory for any
specific static or CFM. Adjustments of the blower speed
and belt tension are REQUIRED. Tighten blower pulley
and motor sheave set screws after these adjustments.
Re-checking set screws after 10-12 hours run time is
recommended.

Table 16: Static Resistances

1

1. Deduct these resistance values from the available external static pressures shown in the respective Blower Performance Table except for Horizontal

Duct Connections.

Add these values due to less airflow resistance.

DESCRIPTION

RESISTANCE, Pa/IWG

m

3

/s/

CFM

MODEL 180

MODEL 240

MODEL 300

2.1/4500

2.8/6000

3.4/7200

2.8/6000

3.8/8000

4.4/9400

3.78/8000

4.25/9000

4.72/10000

WET COIL

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

25/0.1

25/0.1

25/0.1

GAS HEAT

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

25/0.1

25/0.1

25/0.1

ELECTRIC HEAT OPTIONS

18 KW

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

25/0.1

25/0.1

25/0.1

36 KW

24.8/0.1

50.0/0.2

74.4/0.3

24.8/0.1

50.0/0.2

74.4/0.3

25/0.1

50/0.2

75/0.3

54 KW

50.0/0.2

74.4/0.3

99.2/0.4

50.0/0.2

74.4/0.3

99.2/0.4

50/0.2

75/0.3

100/0.4

72 KW

50.0/0.2

99.2/0.4

149.0/0.6

50.0/0.2

99.2/0.4

149.0/0.6

50/0.2

100/0.4

150/0.6

ECONOMIZER OPTION

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

24.8/0.1

25/0.1

25/0.1

25/0.1

HORIZONTAL DUCT CONNECTIONS

50.0/0.2

74.4/0.3

124.0/0.5

50.0/0.2

74.4/0.3

124.0/0.5

50/0.2

75/0.3

125/0.5

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Содержание DC180

Страница 1: ...g 43 Start Up Gas Heat 44 Checking Gas Heat Input 44 Simplicity SE Smart Equipment Firmware Version 3 Basic Unit Control Board Navigation Examples 46 Start Up Service Data Instruction 54 LIST OF TABLE...

Страница 2: ...hout economizer or motorized damper option only at the point of installation These gas fired heaters have aluminized steel or optional stainless steel tubular heat exchangers with spark ignition with...

Страница 3: ...LP with kit If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flamm...

Страница 4: ...t 3 Smoke Detector S A 4 Smoke Detector R A 5 Pwr d Conv Outlet Options SS Drain Pan Configuration Options not required for all units These four digits will not be assigned until a quote is requested...

Страница 5: ...n this document After installation gas fired units must be adjusted to obtain a temperature rise within the range specified on the unit rating plate If components are to be added to a unit to meet loc...

Страница 6: ...CIENCY COMPRESSORS COPPER TUBE ALUMINUM FIN CONDENSER COILS ELECTRICAL DISCONNECT MOUNTING LOCATION Field installed KNOCKOUT FOR SIDE CONTROL WIRING ENTRY KNOCKOUT FOR SIDE POWER WIRING ENTRY SIDE KNO...

Страница 7: ...r unit operation Rigging And Handling Exercise care when moving the unit Do not remove any packaging until the unit is near the place of installation Rig the unit by attaching chain or cable slings to...

Страница 8: ...A B C D 180 Gas 2300 539 563 612 586 240 Gas 2500 538 563 715 684 300 Gas 3130 615 671 962 882 180 Elec 2100 492 514 558 536 240 Elec 2300 295 517 658 630 300 Elec 2890 487 619 646 508 Unit Size Total...

Страница 9: ...84 300 Gas 1420 279 304 436 882 180 Elec 953 223 233 253 536 240 Elec 1043 134 235 299 630 300 Elec 1310 221 281 293 508 Unit Size Total Shipping Weight 6 Point Loads kg A B C D E F 180 Gas 1043 159 1...

Страница 10: ...iliary DOT PLUG For pressure Drop Reading FRONT VIEW CONTROL BOX ACCESS 21 5 9 3 4 11 1 2 2 3 4 21 1 2 33 35 5 7 8 46 5 8 7 1 8 6 3 8 VENT AIR OUTLET HOODS COMBUSTION AIR INLET HOOD GAS HEAT ACCESS C...

Страница 11: ...wer exhaust option The covering consists of a heavy black paper composition 3 Replace the side supply and return air compartment panels For side duct applications 1 Replace the side panels on the supp...

Страница 12: ...n Distance mm in Direction Distance mm in Top1 1 Units must be installed outdoors Over hanging structure or shrubs should not obscure condenser air discharge outlet 1829 72 With 914 36 Maximum Horizon...

Страница 13: ...h the dimensions of the duct connections on the unit Refer to Figure 5 for bottom air duct openings Refer to Figure 6 for side air duct openings NOTE It is recommended that in Canada the outlet duct b...

Страница 14: ...y on the return air ductwork as close to the unit as possible Cut an opening 16 inches high by 18 inches wide in the ductwork to accommodate the damper Using the holes in the hood flanges as a templat...

Страница 15: ...d the same minimum gauge as the replaced wire A disconnect must be utilized for these units Factory installed disconnects are available If installing a disconnect field supplied or York International...

Страница 16: ...ed insulated wires should be used to connect the thermostat to the unit Refer to Table 5 for control wire sizing and maximum length Space Sensor The space sensor if used should be located on an inside...

Страница 17: ...ge ot required on single stage he g units Jumper is required if there is no Smoke Detector circuit Jumper is required for any co of R RC or RH 5 5 OCC is an output from the thermostat to indicate the...

Страница 18: ...E 44 4 50 E18 13 5 1 18 8 44 4 50 E36 26 9 2 37 4 55 2 60 E54 40 4 2 56 2 78 6 80 E72 53 8 2 74 8 83 2 90 240 20 380 3 50 20 7 130 29 2 1 8 2 0 NONE 59 70 E18 11 3 1 17 2 59 70 E36 22 6 2 34 3 59 70 E...

Страница 19: ...2 or 4 In 12 304 X 609 X 51 or 102 mm QUANTITY PER UNIT 16 X 20 X 2 or 4 In 4 406 X 508 X 51 or 102 mm QUANTITY PER UNIT 16 X 25 X 2 or 4 In 4 406 X 508 X 51 or 102 mm QUANTITY PER UNIT 18 X 24 X 2 or...

Страница 20: ...ction External Shut Off NOTE Maximum capacity of pipe in cubic feet of gas per hour based upon a pressure drop of 0 3 inch W C and 0 6 specific gravity gas Gas Connection The gas supply line can be ro...

Страница 21: ...ors and between the second stage regulator and the appliance Pipe size required will depend on the length of the pipe run and the total load of all appliances Complete information regarding tank sizin...

Страница 22: ...the control sensors are factory mounted as part of the Factory installed economizer option Power Exhaust Barometric Relief Damper and Rain Hood The instructions for the power exhaust barometric relie...

Страница 23: ...ing with a demand from the zone return sensor for the first stage of cooling the dampers modulate to control the supply air temperature to the Economizer Setpoint 1 F If the economizer output is at 10...

Страница 24: ...rmistor MAT parameter reports input status F C 3 65 VDC reading MAT to COM with open circuit Read only use in current control revision IN1 MAT LEDs at left on upper edge of economizer board POWER POWE...

Страница 25: ...g power exhaust actuator and economizer actuator Connects through circuit trace to 24V IN pin HOT ECON 2 10 VDC output for the Economizer actuator Econ parameter reports output status 0 100 Used to po...

Страница 26: ...negative for the indoor air quality sensor Connects through circuit trace to 24V IN pin COM R 24V 24 VAC hot supplied for the outdoor air quality sensor Connects through circuit trace to 24V IN pin H...

Страница 27: ...edge of economizer board IN9 PURGE 24 VAC hot input from the PURGE dry contact Purge parameter reports input status False with 0 VAC input True with 24 VAC input When Purge status is True heating and...

Страница 28: ...lection force is as follows Tension new belts at the max deflection force recommended for the belt section Check the belt tension at least two times during the first 24 hours of operation Any retensio...

Страница 29: ...product at altitude Example 1 What are the corrected CFM static pressure and BHP at an elevation of 5 000 ft if the blower performance data is 6 000 CFM 1 5 IWC and 4 0 BHP Solution At an elevation o...

Страница 30: ...ution As in the example above no temperature information is given so 70 F is assumed The 1 5 static pressure given is at an elevation of 5 000 ft The first step is to convert this static pressure to e...

Страница 31: ...kW Input kW ESP Pa Output kW Input kW ESP Pa Output kW Input kW HIGH STATIC DRIVE m3 s 1030 6 0 357 2 4 2 8 316 2 8 3 4 253 3 3 3 9 183 3 7 4 5 97 4 2 5 0 1070 5 0 405 2 5 3 0 362 3 0 3 6 298 3 5 4 2...

Страница 32: ...nput kW ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW HIGH STATIC DRIVE CFM 895 6 0 1 3 4 7 4 0 1 1 5 0 4 3 0 8 5 6 4 8 0 6 6 1 5 2 0 3 6 8 5 8 930 5 0 1 5 5 0 4 3 1 3 5 3 4 5 1 0 6 0 5 1 0...

Страница 33: ...kW ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW HIGH STATIC DRIVE CFM 1030 6 0 1 5 3 1 2 7 1 3 3 6 3 2 1 0 4 3 3 8 0 8 4 9 4 4 0 5 5 6 5 0 1070 5 0 1 7 3 3 2 9 1 4 3 8 3 4 1 2 4 5 4 1 1 0 5...

Страница 34: ...ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW HIGH STATIC DRIVE CFM 895 6 0 1 5 3 7 3 2 1 0 4 7 4 0 0 5 5 7 4 9 0 1 6 3 5 4 925 5 0 1 6 3 9 3 4 1 2 4 9 4 2 0 6 6 0 5 1 0 3 6 7 5 7 955 4 0 1...

Страница 35: ...750 CFM 10000 CFM ESP iwg OUTPUT bhp INPUT kW ESP iwg OUTPUT bhp INPUT kW ESP iwg OUTPUT bhp INPUT kW 945 6 0 1 0 5 6 4 6 0 3 7 0 5 7 975 5 0 1 2 5 9 4 9 0 5 7 3 6 0 1005 4 0 1 4 6 2 5 1 0 7 7 7 6 3 1...

Страница 36: ...ure 22 After readings have been obtained remove the tubes and reinstall the two 5 16 dot plugs that were removed in Step 1 Table 14 Blower Motor And Drive Data MODEL SIZE DRIVE1 1 All 50 Hz DM180 300...

Страница 37: ...f the blower speed and belt tension are REQUIRED Tighten blower pulley and motor sheave set screws after these adjustments Re checking set screws after 10 12 hours run time is recommended Table 16 Sta...

Страница 38: ...d Compressor 2 is energized provided it has not been locked out and condenser fan motor 1 and condenser fan motor 2 remain energized If the ambient temperature is above 60 F To be available a compress...

Страница 39: ...pressor is idle stop the condenser fans If the LPS is still open after the ASCD the compressor will not be energized for 30 seconds The second and third times that the UCB sees an open LPS will count...

Страница 40: ...UST use a two stage thermostat a Upon a call for heat by the thermostat the heater contactor M6 will be energized After completing the specified fan on delay for heating the UCB will energize the blow...

Страница 41: ...energized The RW2 1 contact is closed energizing the second stage ignition module IC2 IC2 will immediately start the second stage igniter sparking and will open the redundant valve located inside the...

Страница 42: ...9 It resets automatically The limit switch operates when a high temperature condition caused by inadequate supply air flow occurs thus shutting down the heater and energizing the blower Auxiliary Limi...

Страница 43: ...ce Refer to Table 20 for the required gas heat anticipator setting Start Up Cooling Prestart Check List After installation has been completed 1 Check the electrical supply voltage being supplied Be su...

Страница 44: ...time needed for one revolution of the hand on the smallest dial on the meter A typical gas meter usually has a 1 2 or a 1 cubic foot test dial 3 Using the number of seconds for each revolution and th...

Страница 45: ...Figure 27 Proper Pilot Flame Adjustment Pilot Checkout The pilot flame should envelope the end of the flame sensor To adjust pilot flame 1 remove pilot adjustment cover screw 2 increase or decrease th...

Страница 46: ...is on the top Status line hit the ENTER button This action steps the LCD display into the status mode Hit ENTER to view the status menu Press Enter Step 2 7KH UVW LWHP XQGHU WKH status menu is DVent M...

Страница 47: ...ER CANCEL JOY C PWR 7 7 77 Clg Engaged LeadLag Engaged Press Enter Joy Stick Down 2 Step 6 By toggling down twice the screen reaches the ClgOcc SP screen or Cooling Occupied Set Point ENTER CANCEL JOY...

Страница 48: ...microprocessor connects through circuit trace to the SD 24 terminal SD 24 24 VAC hot out for factory accessory smoke detector condensate overflow and or user shutdown relay switching in series Connec...

Страница 49: ...Lit indicates 24 VAC is present at C and 24V terminals FAULT Red hard lockout networking error and firmware error indicator 1 2 second on off flashing indicates one or more alarm is currently active 1...

Страница 50: ...C reading EC2 to EC2 with open circuit Used in suction line temperature safety Pinned connections on right edge of UCB RAH Return Air Humidity input from 0 10 VDC 0 100 RH sensor Input required for re...

Страница 51: ...tput for indoor blower contactor coil indoor blower VFD enable relay coil Output with heat cool operation G input or schedule demand C1 24 VAC hot output for compressor 1 If demand is present and perm...

Страница 52: ...nter of the board Positive of the 15 VDC reading to C circuit for powering an optional netstat and or Multi Touch gateway C Common for SA BUS power and communication circuits Also incorporated in the...

Страница 53: ...C Field Connected BUS BACnet MSTP communication circuit Earth ground reference of the cable to prevent interference on the FC bus BACnet MSTP communication circuit Item Selector in red housing at left...

Страница 54: ...rtion of our standard warranty policy which states that Johnson Controls UPG will cover parts and labor on new equipment start up failures that are caused by a defect in factory workmanship or materia...

Страница 55: ...ll open position and the frequency drive is operating at 60 HZ Do not proceed with the equipment start up without the design CFM information Design Supply Air CFM __________________________ Design Ret...

Страница 56: ...and control complete Air Moving Inspection Completed See Notes Alignment of drive components Belt tension adjusted properly Blower pulleys tight on shaft bearing set screws tight wheel tight to shaft...

Страница 57: ...to increase of decrease the airflow to meet the design conditions If the motor pulley size was changed measure the outside diameters of the motor and blower pulleys and record those diameters here Bl...

Страница 58: ...Return Air Temperature ________________ F db ________________ F wb ________________ RH Mixed Air Temperature ________________ F db ________________ F wb ________________ RH Supply Air Temperature ____...

Страница 59: ...__________________________________________________________________ _______________________________________________________________________________________________________ _____________________________...

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