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Installation, Start-Up and Service

Instructions

CONTENTS

Page

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . .

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

Jobsite Survey

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Placement

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Roof Mount

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Slab Mount

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Field-Fabricated Ductwork

. . . . . . . . . . . . . . . . . .

Rigging

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Condensate Drains

. . . . . . . . . . . . . . . . . . . . . . . . .

Condensate Coil Shipping Covers

. . . . . . . . . .

Install Outdoor Hoods

. . . . . . . . . . . . . . . . . . . . . .

Make Electrical Connections

. . . . . . . . . . . . . . . . 14

• POWER SUPPLY

Field Electrical Connections

. . . . . . . . . . . . . . . . 14

• POWER WIRING

Control Wiring

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

• SENSORS
• HUMIDITY CONTROL AND HOT WATER

AND STEAM VALVES

• SPACE TEMPERATURE SENSOR (T55)
• SPACE TEMPERATURE SENSOR (T56)

(CV Applications Only)

• SPACE TEMPERATURE AVERAGING
• HEAT INTERLOCK RELAY (VAV Units Only

— Not Necessary For DAV Applications)

• OPTION AND ACCESSORY CONTROL WIRING

Carrier Comfort Network Interface

. . . . . . . . . . 23

Air Pressure Tubing

. . . . . . . . . . . . . . . . . . . . . . . . 24

Gas Piping (48 Series Units Only)

. . . . . . . . . . . . 26

Installing Flue/Inlet Hoods

(48MP Units Only)

. . . . . . . . . . . . . . . . . . . . . . . . . 26

Fan Isolator Adjustment

. . . . . . . . . . . . . . . . . . . . 27

Check Compressor Mounting

. . . . . . . . . . . . . . . 27

Install Accessories

. . . . . . . . . . . . . . . . . . . . . . . . . 27

PRE-START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-38

System Check

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Compressor Oil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Evaporator-Fan Belts, Pulleys,

and Sheaves

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Controls Configuration and Quick Test

. . . . . . 35

• SUPPLY FAN STATUS SWITCH (FS)
• CHECK FILTER SWITCH (CFS)
• ENTHALPY CONTROL SET POINT
• KEYPAD AND DISPLAY MODULE (HSIO)

CONFIGURATION

• SET UNIT TYPE
• ENTER JOB SET POINT VALUES
• CONFIGURE UNIT CONTROLS AND

FUNCTIONS

• QUICK TEST FUNCTION

Page

Gas Pressure Check

. . . . . . . . . . . . . . . . . . . . . . . . 38

Check Supply Fan Rotation

. . . . . . . . . . . . . . . . . 38

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-42

Initial Check

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Operating Sequences

. . . . . . . . . . . . . . . . . . . . . . 39

• SUPPLY FAN
• ECONOMIZER
• COOLING (All Units)
• OCCUPIED COOLING
• UNOCCUPIED COOLING
• OVERRIDES
• ADAPTIVE OPTIMAL START
• ADAPTIVE OPTIMAL STOP

(CV Applications Only)

• GAS HEATING, OPERATION

(48MP Units Only)

Control Loop Checkout

. . . . . . . . . . . . . . . . . . . . . 41

IAQ Control Loop Adjustment

. . . . . . . . . . . . . . . 42

Lead/Lag Circuits

. . . . . . . . . . . . . . . . . . . . . . . . . . 42

Final Checks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

CONTROL SYSTEM

. . . . . . . . . . . . . . . . . . . . . . . . 42-45

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Components

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

• PROCESSOR MODULE NO. 1
• PROCESSOR MODULE NO. 2
• HIGH-VOLTAGE RELAY MODULES (DSIO)
• KEYPAD AND DISPLAY MODULE (HSIO)

Default Set Points/Changing Set Points

. . . . . 43

Motor Protection

. . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Variable Frequency Drive (VFD)

. . . . . . . . . . . . . 43

• DISPLAY AND KEYPAD

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-55

Service Access

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

• UNIT CONTROL BOX
• COMPRESSORS
• LIQUID SERVICE VALVES, SOLENOID VALVES,

FILTER DRIERS, AND SIGHT GLASSES

• EVAPORATOR-FAN MOTORS, PULLEYS, AND

BELTS

• POWER EXHAUST MOTORS, PULLEYS, AND

BELTS

• GAS HEAT SECTION
• UNIT CONTROL BOX
• ECONOMIZER DAMPER MOTORS
• RETURN-AIR FILTERS
• CONDENSER FANS AND FAN MOTORS

Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48MPD,MPE62L-10R

50MP62L-10R

Single Package Electric Cooling Units

and Gas Heating/Electric Cooling Units

With Product Integrated Controls

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

Tab

1a 1b

PC 111

Catalog No. 534-893

Printed in U.S.A.

Form 48/50MP-1SI

Pg 1

12-98

Replaces: 50MP-1SI

Содержание 48MPD

Страница 1: ...NCTIONS QUICK TEST FUNCTION Page Gas Pressure Check 38 Check Supply Fan Rotation 38 START UP 38 42 Initial Check 38 General 39 Operating Sequences 39 SUPPLY FAN ECONOMIZER COOLING All Units OCCUPIED C...

Страница 2: ...into STANDYBY mode such as when servic ing a unit it must be done with the HSIO SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure a...

Страница 3: ...insert duct approxi mately 10 to 11 in up into roof curb Connect ductwork to 14 gage roof curb material with sheet metal screws driven from inside of the duct Secure all ducts to the building structur...

Страница 4: ...1337 1337 1442 966 1050 Belts Quantity Model No 3 B111 3 B120 3 B120 3 5VX1120 3 5VX1060 3 5VX1060 Center Distance Range in 39 7 43 7 40 4 45 2 40 4 45 2 40 4 45 2 35 4 39 4 35 4 39 4 Maximum Rpm 159...

Страница 5: ...h Diameter in 7 5 8 7 8 1 8 7 Fan Rpm 1050 1111 1035 1111 Belts Quantity Model No 3 5VX1030 3 5VX1060 3 5VX1060 3 5VX1060 Center Distance Range in 35 4 39 4 34 4 39 1 35 4 39 4 34 4 39 1 Maximum Rpm 1...

Страница 6: ...NIT 48 50MP 90P 10R Type 100 Mod 100 Non Mod 100 Mod 100 Non Mod Motor Hp 50 50 60 60 Motor Frame Size 326T 326T 364T 364T Efficiency at Full Load Standard Efficiency 93 0 93 0 94 5 94 5 High Efficien...

Страница 7: ...r section roof curb and unit must be level within tolerances shown NOTES 1 To prevent the hazard of stagnant water build up in the drain pan on the indoor section unit cannot exceed leveling tolerance...

Страница 8: ...oor section roof curb and unit must be level within tolerances shown NOTES 1 To prevent the hazard of stagnant water build up in the drain pan on the indoor section unit cannot exceed leveling toleran...

Страница 9: ...st fan or high heat options 3 High heat add 260 lb 118 kg Exhaust fan add 1675 lb 761 kg on 62L 1775 lb 807 kg on 70M 4 Unit clearances Top Do not restrict condenser fans control box end 68 09 Sides 6...

Страница 10: ...tions Unit weight does not include exhaust fan or high heat options 3 High heat add 260 lb 118 kg Exhaust fan add 2275 lb 1034 kg on 82N 2400 lb 1090 kg on 90P and 10R 4 Unit clearances Top Do not res...

Страница 11: ...nits with or without exhaust fan option 3 Unit weight does not include exhaust fan option Exhaust fan add 1675 lb 761 kg on 62L 1775 lb 807 kg on 70M 4 Unit clearances Top Do not restrict condenser fa...

Страница 12: ...llimeters 2 Center of gravity Use appropriate column for units with or without ex haust fan option 3 Unit weight does not include exhaust fan option Exhaust fan add 2275 lb 1034 kg on 82N 2300 lb 1090...

Страница 13: ...hen rigging with eight or ten cables and spread with four or five 95 in 2413 mm and two B C D long suitable spreader bars Unit weight does not include exhaust fan option 1 All panels must be in place...

Страница 14: ...protection against such interference when operated in a commer cial environment POWER WIRING Units are factory wired for 460 v as shown on the unit nameplate The main terminal block is suitable for us...

Страница 15: ...tage imbalance Voltage Imbalance max voltage deviation from average voltage 100 x average voltage EXAMPLE Supply voltage is 460 3 60 AB 452 v BC 464 v AC 455 v 452 464 455 Average Voltage 3 1371 3 457...

Страница 16: ...350 52 40 314 9 350 82N 460 414 508 43 6 223 34 6 173 43 6 223 43 6 223 6 3 3 1 52 40 250 2 300 11 7 5 261 2 300 52 40 302 2 350 65 50 266 5 300 11 7 5 277 5 300 52 40 318 5 350 77 60 281 5 350 11 7...

Страница 17: ...The RJ11 connector is used to tap into the CCN at the sensor See RJ11 Plug Wiring section on page 24 to connect the RJ11 con nector to the CCN Jumper MUST be in place between pins E2 and E3 or inaccur...

Страница 18: ...LEGEND COM Common SW Switch T Terminal TB Terminal Block TH Thermostat Heating Accessory Field Wiring Constant volume applications only Fig 13 Space Temperature Sensor Wiring 18...

Страница 19: ...APPLICATION 1 2 RED BLK TB3 TO PROCESSOR MODULE NO 1 RED BLK RED BLK RED BLK SENSOR 1 SENSOR 2 SENSOR 3 RED BLK SENSOR 6 SENSOR 5 RED BLK SENSOR 4 RED BLK RED BLK RED BLK SENSOR 8 SENSOR 7 SENSOR 9 S...

Страница 20: ...AIR RELATIVE HUMIDITY SPACE RETURN RELATIVE HUMIDITY 2 1 2 1 1 2 1 2 J2 J1 J2 J1 24V FIELD SUPPLIED 24 V ISOLATED POWER SUPPLY 24V FIELD SUPPLIED 24 V ISOLATED POWER SUPPLY LEGEND TB Terminal Block F...

Страница 21: ...IFIER ACTUATOR HUMIDIFIER RELAY LEGEND TB Terminal Block Field Wiring Component Terminal Fig 23 Humidifier 37 38 HYD VLV HYDRONIC VALVE ACTUATOR PSIO NO 2 J6 LEGEND TB Terminal Block Field Wiring Comp...

Страница 22: ...WATT 5 10K OHM 1 2 WATT 5 16 17 PSIO NO 1 TRANSDUCER ACCESSORY J7 SUCTION GAS TEMPERATURE THERMISTOR SUCTION GAS TEMPERATURE THERMISTOR 1 2 6 7 2 3 5 6 J7 PSIO NO 2 CHANNEL 31 CHANNEL 32 LEGEND DPT D...

Страница 23: ...on vinyl Teflon or poly ethylene An aluminum polyester 100 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum operating temperature range of 220 C to 60 C is requir...

Страница 24: ...d To wire the RJ11 connector into the CCN Fig 30 IMPORTANT The cable selected for the RJ11 con nector wiring MUST be identical to the CCN com munication bus wire used for the entire network Re fer to...

Страница 25: ...LDING PRESSURE TRANSDUCER HIDDEN Fig 32 Auxiliary Control Box FACTORY INSTALLED TUBING DPC BPC LO HI LO HI TO BUILDING PRESSURE TO SUPPLY DUCT FIELD INSTALLED TUBING TO OUTDOOR REFERENCE PRESSURE PORT...

Страница 26: ...hipping block offs and shipping tape from the flue openings in the access panel and the corner post The inlet hood is shipped unassembled and must be as sembled before mounting to the access panel See...

Страница 27: ...by 4 rail bolts during shipment After unit is installed loosen each of these bolts until the snubber washer can be moved with finger pressure See Fig 40 and 41 UNITS 48 50MP70M 10R Compressors are mou...

Страница 28: ...See Fig 44 An acceptable oil level in the compressor is from 3 8 to 1 8 of sight glass 06E 299 compressors are 1 8 of sight glass Adjust the oil level as required No oil should be removed unless the...

Страница 29: ...f different wheel speeds are required for an application Carrier recommends that the installer contact the nearest Brown ing dealer The Browning dealer can develop the required information for the fan...

Страница 30: ...AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 50 0 75 1 00 1 25 1 50 1 75 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 18 000 365 6 4 398 7 4 432 8 5 465 9 8 499 11 1 532 12 6 20 000 391 8 2 421 9 3...

Страница 31: ...AL STATIC PRESSURE in wg 0 50 0 75 1 00 1 25 1 50 1 75 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 22 000 297 6 9 329 7 9 360 8 9 375 9 8 402 11 4 430 13 0 24 000 313 8 5 343 9 6 371 10 7 395 11 7...

Страница 32: ...fficiency See Table 1 for motor efficiency Table 13 Fan Performance Air Foil 48 50MP62L AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 25 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 Rpm Bhp R...

Страница 33: ...Units section for correct procedure on 48MP units NOTES 1 Fan performance is based on wet coils and clean 2 in filters 2 Conversion Bhp to kW Bhp 746 kW Motor efficiency See Table 1 for motor efficie...

Страница 34: ...Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 26 000 525 6 55 555 7 69 585 8 88 613 10 1 641 11 3 667 12 6 692 13 9 715 15 3 739 16 7 765 18 2 28 000 554 7 69 582 8...

Страница 35: ...control box The switch senses the differential pressure and provides the micro processor module with a signal for filter status Two lengths of plenum tubing connect the switch to probes located both...

Страница 36: ...k test feature IMPORTANT If remote start function is used place LOCAL REMOTE switch in Local OFF position when ever unit is placed in STBY YES SET UNIT TYPE The correct unit type must be set The defau...

Страница 37: ...y time If changing default values via the CCN the 48 50MP unit must first be in run mode STBY NO NOTE After changing any of the values in the configuration group enable the Data Reset function QUICK T...

Страница 38: ...late for correct rise range limits Air quan tities may need to be adjusted to bring the actual rise within allowable limits IMPORTANT After the Quick Test has been perfor mend for stage 2 remove the j...

Страница 39: ...if the system is not in Heating mode if outdoor air enthalpy via switch or humid ity differential is acceptable and if outside air temperature is less than space temperature If economizer operation i...

Страница 40: ...heduled unoccupied time during which expanded heating and cooling set points can be used Adaptive optimal stop utilizes space temperature an expanded occupied set point and a K factor to calcu late st...

Страница 41: ...ing Verify that the actuator responds cor rectly If the actuator drives in the wrong direction go to the submaster gain SMG for the control loop and reverse the sign of the gain For example If the sub...

Страница 42: ...ues Leave completed checklist with unit for future reference NOTE If the REMOTE START function is used in this ap plication set the LOCAL REMOTE switch to REMOTE On at the end of start up CONTROL SYST...

Страница 43: ...nging values via Service Tool or CCN Build ing Supervisor the unit must be in RUN mode STBY NO which is done through HSIO input or a Remote Start input After changing the values in subfunction the Dat...

Страница 44: ...ints Period 4 Unit Units of Measure Configure Holiday Test Heat 6 System Temperatures Period 5 Unit User Configuration Exit Test 7 System Pressures Period 6 Unit Heating Coil 8 Inputs Period 7 Unit Co...

Страница 45: ...closed with 3 latches The latches are secured to the unit with a single 1 4 in 220 x 1 2 in long bolt See Fig 50 To open loosen the latch bolt using a 7 16 in wrench Pivot the latch so it is not in c...

Страница 46: ...ion On 48MP62L and 70M units additional access to the gas components is through the access panels in the unit corner post at the gas section See Fig 51 UNITCONTROLBOX Access to this component is throu...

Страница 47: ...pressor Oil section on page 29 and Table 3 FAN SHAFT BEARINGS Lubricate fan shaft bearings at least once a year with suitable bearing grease Extended grease lines are provided on pulley side of blower...

Страница 48: ...Fig 55 Charging Chart Unit 48 50MP62L Fig 56 Charging Chart Unit 48 50MP70M Fig 57 Chrging Chart Unit 48 50MP82N 48...

Страница 49: ...es be tween compressors distribute the oil to each compressor REMOVE OIL Pump down compressor to 2 psig 14 kPag Loosen the 1 4 in 6 4 mm pipe plug at the com pressor base and allow the oil to seep out...

Страница 50: ...mately 27 psig 186 kPag Slowly open the valve The compressor restarts under Time Guard control when the pressure builds to approximately 67 psig 462 kPag Pressure Relief High side pressure relief is p...

Страница 51: ...GLASS LOW PRESSURE SWITCH OIL EQUALIZER LINE CRANKCASE HEATER RAIL SIGHT GLASS PRESSURE RELIEF VALVE NOTE Units 48 50MP62L compressors are pan mounted Units 48 50MP70M and 82N compressors are mounted...

Страница 52: ...ations main burners are factory set and should require no adjustment MAIN BURNER REMOVAL 1 Shut off field supplied manual main gas valve 2 Shut off power to unit 3 Remove gas section access door door...

Страница 53: ...ts DISPLAYING FAULT SEQUENCE Whenever the fault relay trips and shuts down the VFD the display code of the fault that caused the trip will be displayed until RESET is pressed The fault code will also...

Страница 54: ...ch item is now configured as needed for this particular installation Verify the fac tory default settings for both a specified unit and generic control unit 16 Press to check the remainder of the user...

Страница 55: ...outside of unit frame support and or lower to ground c Unbolt compressor from mounting pan and remove 9 Units 48 50MP70M 82N 90P 10R a Remove 4 large screws securing compressor to the com pressor rai...

Страница 56: ...terminal COMPRESSOR STOPS ON HIGH PRESSURE SWITCH Outdoor Fan On 1 High pressure switch faulty 1 Replace switch 2 Airflow restricted 2 Remove obstruction 3 Air recirculating 3 Clear airflow area 4 Non...

Страница 57: ...2 Replace valve 3 Miswired capacity control liquid line solenoid 3 Rewire correctly COMPRESSOR WILL NOT LOAD 1 Miswired capacity control liquid line solenoid 1 Rewire correctly 2 Defective capacity co...

Страница 58: ...Refer to Fig 65 for IGC troubleshooting information Fig 65 IGC Control Heating 48MP Units Only LEGEND IGC Integrated Gas Unit Controller PIC Product Integrated Control 58...

Страница 59: ......

Страница 60: ...Service Training which includes hands on experience with the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting and fewer callbacks Course descrip...

Страница 61: ...IMBALANCE LINE TO LINE VOLTS AB V AC V BC V AB AC BC 3 AVERAGE VOLTAGE V MAXIMUM DEVIATION FROM AVERAGE VOLTAGE V VOLTAGE IMBALANCE 100 X MAX DEVIATION AVERAGE VOLTAGE IF OVER 2 VOLTAGE IMBALANCE DO N...

Страница 62: ...L1 COMPRESSOR AMPS L2 COMPRESSOR AMPS L3 ELECTRICAL SUPPLY FAN AMPS EXHAUST FAN AMPS ELECTRIC HEAT AMPS L1 L2 L3 TEMPERATURES OUTDOOR AIR TEMPERATURE F DB Dry Bulb RETURN AIR TEMPERATURE F DB F WB We...

Страница 63: ...bleshooting Guide through SETPOINT Set system set points per job requirements OHSP X Set occupied heat set point Range 55 80 F 68 CV only OCSP X Set occupied cool set point Range 55 80 F 78 CV only UH...

Страница 64: ...re Economizer SMG x x Submaster Gain ENTER SMG 8 0 Set SMG to 8 0 7 5 NOTES Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or de...

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