Carrier 48/50PD05 User Manual Download

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48/50PD05,06

Single Package Displacement Ventilation

or Single Zone Variable Airflow Rooftop Units

Electric Cooling/Gas Heating with PURON

(R--410A)

Refrigerant and

COMFORT

Link

1.x Controls

Controls, Start--Up, Operation, Service and

Troubleshooting Instructions

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS

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

GENERAL

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

BASIC CONTROL USAGE

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

Comfort

Link

Control

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

Scrolling Marquee

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

Accessory Navigator Display

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

Operation

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

System Pilot

Device

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

CCN Tables and Display

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

Conventions Used in This Manual

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

START--UP

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

Unit Preparation

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

Compressor Mounting

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

Refrigerant Service Ports

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

Crankcase Heater(s)

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

Compressor Rotation

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

Power Supply

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

Internal Wiring

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

Evaporator Fan

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

Condenser Fans and Motors

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

Return--Air Filters

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

Outdoor--Air Inlet Screens

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

Accessory Installation

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

Orifice Change (48PD Only)

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

Gas Heat (48PD Only)

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

CONTROLS QUICK SET--UP

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

Control Set Point and Configuration Log

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

Standard Unit Control

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

CCN Communication

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

Accessories

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

Programming Operating Schedules

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

SERVICE TEST

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

Independent Outputs

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

Fan Test

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

Cooling Test

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

Heating Test

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

THIRD PARTY CONTROL

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

Remote Occupancy

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

Fire Shutdown

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

Alarm Output

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

Economizer Monitoring

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

Economizer Damper Control

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

CONTROLS OPERATION

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

Display Configuration

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

Modes

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

Unit Configuration

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

General Operating Sequence

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

Occupancy Determination

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

Compressor Operation

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

Indoor Fan Operation

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

Outdoor Fan Operation

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

Economizer Operation

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

Indoor Air Quality (IAQ)

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

Cooling Modes

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

Heating Modes

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

Temperature Compensated Start

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

Carrier Comfort Network (CCN)

Configuration

. . . . . . . . .

Demand Limit

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

Alarm Handling

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

TROUBLESHOOTING

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

Complete Unit Stoppage

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

Restart Procedure

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

Control Module Communication

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

Communication Failures

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

Alarms and Alerts

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

Cooling Troubleshooting

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

Digital Scroll Controller (DSC) Troubleshooting

. . . . . . . . . .

Economizer Troubleshooting

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

Heating Troubleshooting

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

Variable Frequency Drive (VFD) Troubleshooting

. . . . . . . .

Phase Loss Protection

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

Thermistor Troubleshooting

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

Transducer Troubleshooting

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

Forcing Inputs and Outputs

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

MAJOR SYSTEM COMPONENTS

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

General

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

Main Base Board (MBB)

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

Economizer Control Board (ECB)

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

Modulation Board (AUX1)

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

Digital Scroll Control Board (DSC)

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

Summary of Contents for 48/50PD05

Page 1: ...0 Independent Outputs 10 Fan Test 10 Cooling Test 11 Heating Test 11 THIRD PARTY CONTROL 11 Remote Occupancy 11 Fire Shutdown 11 Alarm Output 11 Economizer Monitoring 11 Economizer Damper Control 11 C...

Page 2: ...Code NEC for special requirements Recognize safety information This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for persona...

Page 3: ...isplay is a 4 key 4 character 16 segment LED light emitting diode display module The display also contains an Alarm Status LED See Fig 1 The display is easy to operate using 4 buttons and a group of 1...

Page 4: ...Mode categories may not apply System Pilott and Touch Pilot Devices The System Pilot device 33PILOT 01 and Touch Pilot device 33CNTPILOT can be used as CCN communication user interfaces These devices...

Page 5: ...accessory will be used in this manual Point names will be written with the Mode name first then any submodes then the point name each separated by an arrow symbol Names will also be shown in bold and...

Page 6: ...boxes tighten as required Evaporator Fan Fan belt and variable pulleys are factory installed but may need to be adjusted for specific applications Be sure that the fans rotate in the proper direction...

Page 7: ...y specific job requirements may require changes to default configuration values See the CCN and Display parameter tables and other sections of these instructions for more details Control Set Point and...

Page 8: ...d Accessories Below are quick configuration settings for field installed accessories If these accessories were installed by the factory they will already be configured See the Field Installed Accessor...

Page 9: ...Item Value Units scrolls again B UNC 1 00 00 Period Unoccupied Time ENTER 00 00 Scrolling stops ENTER 00 00 Hours Flash Y 22 00 Select 22 ENTER 22 00 Change accepted minutes flash Y 22 30 Select 30 E...

Page 10: ...6 The first schedule is now complete If a second schedule is needed such as for weekends or holidays scroll down and repeat the entire procedure for period 2 PER 2 If additional schedules are needed r...

Page 11: ...status of this input when unoccupied S 5 24 VAC signal input S 6 24 VAC source for dry contact Fire Shutdown The fire shutdown input is provided for unit shutdown in response to a fire alarm or smoke...

Page 12: ...ce IMPORTANT The 48 50PD unit only supports the Gen III TEMP Monitor Thermostat Demand Limit in Effect D LMT Displays if a demand limit has been placed on the unit s capacity Circuit OAT Lockout C LOC...

Page 13: ...n R and W1 when using space temperature sensors T55 T56 T58 or T59 The building s occupancy is affected by a number of different factors When the unit is operating with a space temperature sensor T 55...

Page 14: ...ot available then use the fan tables supplied in this book to determine Fan Max Speed CFM Configuration ECON IDF C When using the fan tables to determine Fan Max Speed CFM Configuration ECON IDF C set...

Page 15: ...ither digital or analog used to communicate between the Economizer Control Board and the economizer actuator The power to the unit must be cycled after the Economizer Control Type Configuration ECON E...

Page 16: ...ion UNIT FS MX and the damper position will vary at other fan speeds as described in the Cooling Mode with Economizer section below when the space is occupied and the indoor fan is on IA CF 1 DCV When...

Page 17: ...he CO2 ppm exceeds the OAQ lockout value configured for the OAQ Lockout Limit Configuration AIR Q AQ L The default value for OAQ Lockout Limit Configuration AIR Q OAQ L is 600 ppm CO2 Fan Enable Analo...

Page 18: ...ly Air Set Point Setpoint SASP For example the SASP Maximum Reset Down Configuration COOL SAT SA MD configuration variable can be set to 10 and the SASP Maximum Reset Up Configuration COOL SAT SA MU c...

Page 19: ...user configurable and can be determined by setting the fan speed at 25 50 and 75 and determining the damper position required to maintain the Econ Min at Max Fan Speed Configuration ECON MP MX Outsid...

Page 20: ...ise the Supply Air Control Point Run Status COOL SA CP every 3 minutes until the Supply Air Control Point Run Status COOL SA CP is equal to the Supply Air Set Point Setpoint SASP or the supply air con...

Page 21: ...SAT SAT H affects the Supply Air Temperature Temperatures AIR T SAT value displayed This configuration is accessible via the Scrolling Marquee on the SAT Heat Mode Sensing Configuration HEAT SAT SAT H...

Page 22: ...required Once the number of stages needed for heating is determined either Heat Stage 1 Relay Outputs HEAT HT 1 or Heat Stage 1 Relay Outputs HEAT HT 1 and Heat Stage 2 Relay Outputs HEAT HT 2 outputs...

Page 23: ...BROD B ACK If this configuration is set to ON then when any broadcasting is done on the bus this device will respond to and acknowledge Only one device per bus can be configured for this option Sched...

Page 24: ...ll once again be allowed to run If the circuit is able to run for 1 minute its replacement circuit will be allowed to shut down if not required to run to satisfy requested stages However the troubled...

Page 25: ...ctive alarms may also be signaled on the Alarm Output terminals Each alarm may also be broadcast on the CCN network Active alarms and past alarm history can be reviewed and cleared via the local displ...

Page 26: ...not return Configuration COOL CS A1 Alert Code T110 Circuit A Loss of Charge This alert has Service Test text that will be displayed if the alert occurred during service test This alert occurs when th...

Page 27: ...alarm is usually caused by an auxiliary device that is trying to shut down the unit e g smoke detector The configuration for this switch input can be found at variable Configuration UNIT FS SW Verify...

Page 28: ...alert continues determine if the ECB or actuator is bad This alert resets automatically S Economizer Damper Stuck or Jammed This alarm occurs when the actuator senses it can no longer move Investigat...

Page 29: ...hould be off T110 Circuit A Loss of Charge Shutdown Circuit A Manual Low refrigerant or faulty suction pressure transducer Service Test Circuit A Loss of Charge Shutdown Circuit A Manual Low refrigera...

Page 30: ...oblem still exist then determine what is limiting economizer rotation Economizer Damper Actuator Torque Above Load Limit Alert Generated Automatic Actuator load too high Check damper load Economizer D...

Page 31: ...e air filters Low refrigerant charge Check pressure locate leak repair evacuate and recharge Faulty TXV 1 Check TXV bulb mounting and secure tightly to suction line and insulate 2 Replace TXV and filt...

Page 32: ...en the DSC is not receiving a signal from the discharge temperature thermistor DTT The thermistor may be missing disconnected or a wire broken The alarm relay contacts will close and the DSC will not...

Page 33: ...there are no cooling or heating demands Unit is in Unoccupied mode and there is no call for heating or cooling Tripped circuit breaker No power to the unit Unit is off via CCN command Actuator is unpl...

Page 34: ...indicate the function of the board See the table below LED STATUS FUNCTION On Continuously Relay contact closed normal operation Blinking Relay contact open phase loss or phase reversal has occurred N...

Page 35: ...35 LEGEND IDM Induced Draft Motor IGC Integrated Gas Unit Controller NOTE Thermostat Fan Switch in the AUTO position C07014 Fig 9 IGC Service Analysis Logic 48 50PD...

Page 36: ...ware error If fault is not cleared by resetting 24 v power replace the IGC 9 Flashes Temporary Software Lockout No gas heating 1 hour auto reset or power reset Electrical interference is disrupting th...

Page 37: ...Ensure that thermistors are placed at the correct location and are snapped securely over the return bend so that contact is made between the thermistor and the tube C07016 Fig 11 Saturated Condensing...

Page 38: ...ble 18 the 5vdc power is applied to legs A and B of the transducer and legs B to C represent the voltage drop shown in the table The accuracy of these transducers can be verified by connecting an accu...

Page 39: ...499 1 108 12 4 273 58 781 98 1 894 6 098 184 0 491 1 089 13 4 254 57 039 99 1 867 5 961 185 0 483 1 070 14 4 235 55 319 100 1 841 5 827 186 0 476 1 052 15 4 215 53 693 101 1 815 5 698 187 0 468 1 033...

Page 40: ...0 0 272 561 13 3 124 28 473 97 1 122 3 099 181 0 268 551 14 3 103 27 624 98 1 104 3 031 182 0 264 542 15 3 082 26 804 99 1 086 2 964 183 0 259 533 16 3 060 26 011 100 1 068 2 898 184 0 255 524 17 3 03...

Page 41: ...135 14 20 68 107 44 25 77 86 00 30 86 69 28 35 95 56 16 40 104 45 81 45 113 37 58 50 122 30 99 55 131 25 68 60 140 21 40 65 149 17 91 Degree C Degree F Resistance k Ohms 70 158 15 07 75 167 12 73 80 1...

Page 42: ...59 240 2 828 38 0 839 106 1 509 174 2 178 242 2 848 40 0 859 108 1 529 176 2 198 244 2 868 42 0 879 110 1 548 178 2 218 246 2 887 44 0 898 112 1 568 180 2 237 248 2 907 46 0 918 114 1 588 182 2 257 25...

Page 43: ...43 C08582 Fig 12 48PD Control Wiring Schematic 48 50PD...

Page 44: ...44 C08583 Fig 13 50PD Control Wiring Schematic 48 50PD...

Page 45: ...45 C08584 Fig 14 48 50PD Power Wiring Schematic and Legend 48 50PD...

Page 46: ...46 C08657 Fig 15 Typical Unit Component Arrangement 48 50PD...

Page 47: ...e Current Sensor inputs for compressors and other discrete or digital inputs The MBB reads space temperature SPT from either a T 55 T 56 or T 58 device and space temperature offset SPTO from a T 56 de...

Page 48: ...pply air temperature indoor fan housing or supply duct 10k thermistor J8 7 8 SCT A Saturated condenser temperature circuit A outdoor coil circuit A 5k thermistor J8 9 10 RAT Return air temperature Ret...

Page 49: ...controls two power exhaust outputs By digitally communicating with the ECB the economizer actuator is able to provide the damper position and diagnostic information to the ComfortLink controller The...

Page 50: ...Outdoor air quality sensor or Relative humidity sensor field installed 0 20 mA J5 5 Sensor Common Ground J5 3 Actuator Common Ground J7 3 OUTPUTS Output power to enthalpy switch 24 VAC J4 3 Output po...

Page 51: ...8 position DIP switch S1 that is factory set for its LEN address All the switches must be in the off position except 4 5 and 7 which are on off is towards the center of the board Do not change this se...

Page 52: ...ting diode for diagnostics See the troubleshooting section for more details C08659 Fig 19 Digital Scroll Controller DSC Table 22 DSC Connections DISPLAY NAME POINT DESCRIPTION SENSOR LOCATION TYPE OF...

Page 53: ...ency Drive VFD Table 23 VFD Connections DISPLAY NAME POINT DESCRIPTION TYPE OF I O TERMINAL NUMBER TERMINAL NAME LOW VOLTAGE INPUTS Shielded Cable Ground Shield 1 SCR F SPD Commanded Fan Speed 2 10vdc...

Page 54: ...TERMINAL LABEL POINT DESCRIPTION SENSOR LOCATION TYPE OF I O CONNECTION PIN NUMBER INPUTS RT C Input power from TRAN 1 control box 24 VAC SS Speed sensor gas section analog input J1 1 3 FS T1 Flame se...

Page 55: ...RM OC IAQ S 24 VAC output J10 11 12 7 ENTH or IAQ S Outdoor enthalpy switch or Indoor air quality switch economizer or return space 24 VAC input J10 9 10 8 EC CP Economizer commanded position actuator...

Page 56: ...re network to simplify the installation It is recommended that red be used for the signal positive black for the signal negative and white for the signal ground Use a similar scheme for cables contain...

Page 57: ...ature Sensor Averaging See Fig 26 for space temperature averaging with T 55 sensors only If the use of one T 56 sensor is required refer to Fig 27 NETWORK OPTIONS REMOTE CCN SITE AUTODIAL GATEWAY NON...

Page 58: ...1 2 2 SPACE TEMPERATURE AVERAGING 4 T 55 SENSOR APPLICATION SPACE TEMPERATURE AVERAGING 9 T 55 SENSOR APPLICATION LEGEND TB Terminal Block ______ Factory Wiring _ _ _ _ Field Wiring C07032 Fig 26 Spac...

Page 59: ...Fan status wires are pre run in the unit harness and located near the switch installation location Refer to the Fan Accessory Installation Instructions for more information IMPORTANT The Fan Status te...

Page 60: ...ction of the fins Coil surfaces can be easily damaged fin edges can be easily bent over and damage to the coating of a protected coil if the tool is applied across the fins IMPORTANT Use of a water st...

Page 61: ...te pan 1 Disconnect condensate drain system from side or bottom drain connection 2 Remove and clean trap 3 Remove 4 screws securing condensate pan access cover to unit Save screws and panel 4 Slide co...

Page 62: ...des Indoor Fan Shaft Bearings The indoor fan has permanently sealed bearings No field lubrication is necessary Condenser and Evaporator Fan Motor Bearings The condenser fan and evaporator fan motors h...

Page 63: ...out the bracket when the pulley side is clear from the fan sled 4 With all the wires stilled attached to the VFD turn the VFD assembly so it is parallel with the fan sled 5 Pull the VFD assembly to t...

Page 64: ...r Refrigerant Charge Amount of refrigerant charge is listed on unit nameplate Refer to Carrier GTAC II Module 5 Charging Recovery Recycling and Reclamation section for charging methods and procedures...

Page 65: ...should be charged with liquid refrigerant Use a commercial type metering device in the manifold hose Manifold sets should be 750 psig high side and 200 psig low side with 520 psig low side retard Use...

Page 66: ...nstall burner rack as described above E E A A B B 25 4 MAX TYP SPARK GAP 0 120 TO 0 140 3 05 TO 3 56 D D E E SECTION SCALE 2 1 D D SECTION B B SECTION SCALE 1 1 A A SECTION SCALE 1 1 C C SECTION C C S...

Page 67: ...sound shield reduces the difference in noise levels as the compressor loads and unloads in the frequency ranges of 200 to 2000 Hz Since the human speech occurs in the 200 to 2000 Hz frequency ranges t...

Page 68: ...mpressor A Feedback On Off COMP_A TG A Compressor A Timeguard xxx sec TIMGD_A CAPC Compressor Capacity xxx CAPACITY MAX C Max Compressor Capacity xxx MAX_CAPC forcible MIN C Min Compressor Capacity xx...

Page 69: ...e nvoSpaceTemp xxx x dF NVO_SPT nvoUnitStatus mode xxxx NVO_MODE nvoUnitStatus heat_out_p xxx x NVO_HPRI nvoUnitStatus heat_out_s xxx x NVO_HSEC nvoUnitStatus cool_out xxx x NVO_COOL nvoUnitStatus eco...

Page 70: ...Dig Scroll Ctrl Pwr Test On Off Off S_CMPCTL forcible forcible CAPC Compressor Capacity Test 0 to 100 0 S_VCAP forcible forcible F SPD Cool Test Fan Speed 0 to 100 0 S_VSPDCL forcible forcible HEAT T...

Page 71: ...Lo Temp Limit 30 to 50F dF 0 OATLECLL FC LO Free Cool Low Temp Limit 0 to 70F dF 50 OATLUEFC Table 32 MODE INPUTS ITEM EXPANSION RANGE UNITS CCN TABLE SUB TABLE CCN POINT CCN WRITE STATUS DISPLAY WRIT...

Page 72: ...Cool Outputs CTLR Digital Scroll Ctrl Pwr On Off COMPCTLR CAPC Compressor Capacity xxx CAPACITY CCH Crankcase Heat Relay On Off CCH HEAT Heat Outputs HT 1 Heat Stage 1 Relay On Off HEAT_1 HT 2 Heat S...

Page 73: ...sed 0 HUMSTCFG 13 TCS C Temp Cmp Strt Cool Factr 0 to 60 mins 0 TCSTCOOL 13 TCS H Temp Cmp Strt Heat Factr 0 to 60 mins 0 TCSTHEAT 13 COOL Cooling Configuration COOL_CFG MIN C Min Compressor Capacity...

Page 74: ...nd Level 5 to 0 5 F 1 HDEM_NEG 21 H LAG Heat Thermal Lag Factor 0 to 5 min 1 HEAT_LAG 21 ECON Economizer Configuration ECON_CFG EC EN Economizer Installed Yes No No no FIOP Yes FIOP ECONO 8 E CTL Econ...

Page 75: ...AQ Sensor Value at 20mA 0 to 5000 2000 OAQ_20MA 17 H 4M RH Sensor Value at 4mA 0 to 50 0 RH_4MA H 20M RH Sensor Value at 20mA 60 to 100 100 RH_20MA ALM O Alarm Relay Config ALM_CFG A SPC SPT SPRH Sens...

Page 76: ...Temp Calibration 30 to 130 dF 38 SPT T Space Temp Trim 30 to 30 F 0 38 SAT C Supply Air Temp Calib 30 to 130 dF 38 SAT T Supply Air Temp Trim 30 to 30 F 0 38 RAT C Return Air Temp Calib 30 to 130 dF 3...

Page 77: ...ursday in Period Yes No No PERxTHU FRI x Friday in Period Yes No No PERxFRI SAT x Saturday in Period Yes No No PERxSAT SUN x Sunday in Period Yes No No PERxSUN HOL x Holiday in Period Yes No No PERxHO...

Page 78: ...ockout Yes No ECONLOCK COOL Cool Mode Diagnostic COOLDIAG COOL In Cooling Mode Yes No IN_COOL OK CL OK to Select Cool Mode Yes No OKTOCOOL MS TG Mode Select Timeguard xxx secs COOLMSTG OK EC OK to Use...

Page 79: ...oor Fan State On Off IDFSTATE F SPD Commanded Fan Speed NNN FANSPEED COOL In Cooling Mode Yes No IN_COOL E LOC Econo Cool OAT Lockout Yes No ECONLOCK EH LO Econo Cool Hi Temp Limit xxx dF OATLECLH EL...

Page 80: ...at Stp xxxx x dF AOHS Average Occup Cool Stp xxxx x dF AOCS Average Unocc Heat Stp xxxx x dF AUHS Average Unocc Cool Stp xxxx x dF AUCS Average Zone Temperature xxxx x dF AZT Average Occup Zone Temp x...

Page 81: ...g a 0Vdc signal to the VFD The units use ABB VFDs The interface wiring for the VFDs is shown in the figure below The VFD connects to ComfortLink through a 0 10Vdc output on the AUX1 board Terminal des...

Page 82: ...gs from PPS 1402 Relay Output 2 2 Run ABB Drive default 1403 Relay Output 3 3 Fault 1 ABB Drive default SYSTEM CONTROL 1601 Run Enable 0 Not Set ABB Drive default 1608 Start Enable 1 4 DI 4 ABB Drive...

Page 83: ...s the UP and DOWN keys simultaneously To restore the default factory settings select the application macro HVAC Default VFD Modes The VFD has several different modes for configuring operating and diag...

Page 84: ...r DOWN keys to highlight CHANGED PAR on the display screen and press ENTER SOFT KEY 2 A list of the recently changed parameters will be displayed 3 Use the UP or DOWN keys to highlight the desired par...

Page 85: ...SETTINGS on the display screen and press ENTER SOFT KEY 2 The I O Settings parameter list will be displayed 3 Use the UP or DOWN keys to highlight the desired I O setting and press SEL SOFT KEY 2 4 U...

Page 86: ...option 3 A qualified technician will review the problem with the caller and make a determination regarding how to proceed This may involve dispatching a designated service station DSS representative...

Page 87: ...igital input defined to report first external fault is active See parameter 3003 EXTERNAL FAULT 1 15 EXT FAULT 2 Digital input defined to report second external fault is active See parameter 3004 EXTE...

Page 88: ...AI 2 MAX 1004 PAR AO SCALE Parameter values are inconsistent Check that parameter 1504 AO 1 MIN 1505 AO 1 MAX and that parameter 1510 AO 2 MIN 1511 AO 2 MAX 1005 PAR PCU 2 Parameter values for power c...

Page 89: ...ar Check that the motor and drive ratings match motor is NOT undersized for the drive Check the settings on parameters 3013 to 3015 2012 MOTOR STALL Motor is operating in the stall region This alarm w...

Page 90: ...zes R1 through R2 perform the following see Main Fan Replacement figure 1 Remove power from drive 2 Remove drive cover 3 For frame sizes R1 and R2 press together the retaining clips on the fan cover a...

Page 91: ...76 1 70 LEGEND Bhp Brake Horsepower NOTES 1 Maximum continuous BHP is 2 0 2 See General Fan Performance Notes Table 45 Fan Performance 48PDE05 Vertical Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRES...

Page 92: ...Performance 48PDD06 Vertical Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 593 0 27 688 0 37 773 0 46 851 0 56 925 0 67 16...

Page 93: ...D Bhp Brake Horsepower NOTES 1 Maximum continuous BHP is 2 0 2 See General Fan Performance Notes Table 49 Fan Performance 48PDF06 Vertical Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0...

Page 94: ...ge Motor Drive Required NOTES 1 Maximum continuous BHP is 2 0 2 See General Fan Performance Notes Table 51 Fan Performance 48PDE05 Horizontal Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg...

Page 95: ...otes Table 53 Fan Performance 48PDD06 Horizontal Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 521 0 22 628 0 31 718 0 40...

Page 96: ...D Bhp Brake Horsepower NOTES 1 Maximum continuous BHP is 2 0 2 See General Fan Performance Notes Table 55 Fan Performance 48PDF06 Horizontal Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg...

Page 97: ...Performance 50PD06 Vertical Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 568 0 25 667 0 34 753 0 44 833 0 54 908 0 64 160...

Page 98: ...an Performance 50PD06 Horizontal Units AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 491 0 19 604 0 28 697 0 37 781 0 47 859 0 5...

Page 99: ...s heat losses are included for 48 series units 4 Extensive motor and drive testing on these units ensures that the full horsepower range of the motor can be utilized with confidence Using the fan moto...

Page 100: ...larger single speed foot mounted polyphase squirrel cage induction motors of NEMA National Electrical Manufacturers Association design A and B manufactured for use in the United States Ranging from 1...

Page 101: ...0 No Switch 1 Normal Open 2 Normal Closed 0 no FIOP 1 FIOP SHTDNCFG RM SW Remote Occupancy Switch 0 No Switch 1 Normal Open 2 Normal Closed 0 REMOCCFG RH S RH Sensor on OAQ Input Yes No No RH_OAQ RH S...

Page 102: ...0 5 F 1 HDEM_NEG H LAG Heat Thermal Lag Factor 0 to 5 min 1 HEAT_LAG ECON Economizer Configuration ECON_CFG EC EN Economizer Installed Yes No No no FIOP Yes FIOP ECONO E CTL Economizer Control Type 1...

Page 103: ...0MA H 4M RH Sensor Value at 4mA 0 to 50 0 RH_4MA H 20M RH Sensor Value at 20mA 60 to 100 100 RH_20MA ALM O Alarm Relay Config ALM_CFG A SPC SPT SPRH Sensor Failure Yes No Yes SPACE_AL A SRT SAT RAT Se...

Page 104: ...Space Temp Calibration 30 to 130 dF SPT T Space Temp Trim 30 to 30 F 0 SAT C Supply Air Temp Calib 30 to 130 dF SAT T Supply Air Temp Trim 30 to 30 F 0 RAT C Return Air Temp Calib 30 to 130 dF RAT T R...

Page 105: ...E PROPERLY TENSIONED j VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION j VERIFY INSTALLATION OF SPACE SENSOR j VERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS REFER TO CONTROL...

Page 106: ...0 W Morris St S Indianapolis IN 46231 Printed in U S A Edition Date 3 09 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog...

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