Carrier AQUASNAP 30RBA315 Controls, Start-Up, Operation, Service And Troubleshooting Instructions Download

Page: 1 / 124

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

Catalog No. 04-53300028-01

Printed in U.S.A.

Form 30RB-3T

Pg 1

12-09

Replaces: 30RB-2T

Controls, Start-Up, Operation, Service

and Troubleshooting

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . . . .2

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Conventions Used in This Manual

. . . . . . . . . . . . . . . . . . .3

Basic Control Usage

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

• SCROLLING MARQUEE DISPLAY

• ACCESSORY NAVIGATOR™ DISPLAY MODULE

CONTROLS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-43

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Main Base Board (MBB)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Scroll Protection Module (SPM)

. . . . . . . . . . . . . . . . . . . . . .7

Electronic Expansion Valve (EXV) Board

. . . . . . . . . . . .8

Fan Boards

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Reverse Rotation Board

. . . . . . . . . . . . . . . . . . . . . . . . . . . .13

• DIAL SETTINGS

• PHASE REVERSAL PROTECTION

• PHASE LOSS AND UNDER-VOLTAGE

PROTECTION

Enable-Off-Remote Contact Switch

. . . . . . . . . . . . . . . . .13

Emergency On/Off Switch

. . . . . . . . . . . . . . . . . . . . . . . . . .13

Energy Management Module (EMM)

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

Energy Management Module
Heat Reclaim (EMM HR)

. . . . . . . . . . . . . . . . . . . . . . . . . .15

Local Equipment Network

. . . . . . . . . . . . . . . . . . . . . . . . . .16

Board Addresses

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Control Module Communication

. . . . . . . . . . . . . . . . . . . .16

• RED LED

• GREEN LED

• YELLOW LED

Carrier Comfort Network

(CCN) Interface

. . . . . . . . . .16

Configuration Options

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

• MINIMUM LOAD CONTROL

• RAMP LOADING

• MINUTES OFF TIME

Dual Chiller Control

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

Capacity Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

• CAPACITY CONTROL OVERRIDES

Head Pressure Control

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

• LOW AMBIENT TEMPERATURE HEAD PRESSURE

CONTROL OPTION

• LOW AMBIENT TEMPERATURE HEAD PRESSURE

CONTROL OPERATING INSTRUCTIONS

Cooler Pump Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Machine Control Methods

. . . . . . . . . . . . . . . . . . . . . . . . . .32

• SWITCH CONTROL

• TIME SCHEDULE

• CCN CONTROL

• UNIT RUN STATUS

Cooling Set Point Selection

. . . . . . . . . . . . . . . . . . . . . . . .33

• SET POINT 1

• SET POINT 2

• 4 TO 20 mA INPUT

• DUAL SWITCH

• SET POINT OCCUPANCY

Temperature Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Demand Limit

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

• 2-STEP SWITCH CONTROLLED

Page

• EXTERNALLY POWERED (4 to 20 mA Controlled)

• CCN LOADSHED CONTROLLED

Remote Alarm and Alert Relays

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

PRE-START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43,44

System Check

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

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44,45

Actual Start-Up

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Operating Limitations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

• TEMPERATURES

• VOLTAGE

• MINIMUM FLUID LOOP VOLUME

• FLOW RATE REQUIREMENTS

OPERATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-49

Sequence of Operation

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

Dual Chiller Sequence of Operation

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

Operating Modes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Optional Heat Reclaim Module

. . . . . . . . . . . . . . . . . . . . . 49

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49-57

Electronic Expansion Valve (EXV)

. . . . . . . . . . . . . . . . . . 49

• EXV TROUBLESHOOTING PROCEDURE

Cooler

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

• FREEZE PROTECTION

• LOW FLUID TEMPERATURE

• LOSS OF FLUID FLOW PROTECTION

• TUBE PLUGGING

• RETUBING

• TIGHTENING COOLER HEAD BOLTS

• CHILLED WATER FLOW SWITCH

RTPF Condenser Coil Maintenance and Cleaning

Recommendations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

• REMOVE SURFACE LOADED FIBERS

• PERIODIC CLEAN WATER RINSE

• ROUTINE CLEANING OF COIL SURFACES

MCHX Condenser Coil Maintenance and Cleaning

Recommendations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Condenser Fans

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Refrigerant Circuit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

• LEAK TESTING

• REFRIGERANT CHARGE

Safety Devices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

• COMPRESSOR PROTECTION

• CRANKCASE HEATERS

Relief Devices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

• HIGH-SIDE PROTECTION

• LOW-SIDE PROTECTION

Compressors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

• COMPRESSOR REPLACEMENT

• OIL CHARGE

• SYSTEM BURNOUT CLEANUP PROCEDURE

MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Recommended Maintenance Schedule

. . . . . . . . . . . . . 57

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-81

Alarms and Alerts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

• DIAGNOSTIC ALARM CODES AND POSSIBLE

CAUSES

AQUASNAP

30RB060-390

Air-Cooled Liquid Chillers

Summary of Contents for AQUASNAP 30RBA315

Page 1: ...H CONTROL TIME SCHEDULE CCN CONTROL UNIT RUN STATUS Cooling Set Point Selection 33 SET POINT 1 SET POINT 2 4 TO 20 mA INPUT DUAL SWITCH SET POINT OCCUPANCY Temperature Reset 33 Demand Limit 41 2 STEP...

Page 2: ...accumulation of refrigerant in an enclosed space can displace oxygen and cause asphyxiation Provide adequate ventilation in enclosed or low overhead areas Inhalation of high concentrations of vapor is...

Page 3: ...password protected items Press the key to exit out of the ex panded text mode NOTE When the Language Selection Configuration DISP LANG variable is changed all appropriate display expansions will immed...

Page 4: ...down arrows to adjust the contrast The screen s contrast will change with the adjustment Press to accept the change The Navigator module will keep this setting as long as it is plugged in to the LEN...

Page 5: ...nd outputs to control the machine are located on other boards but are trans mitted to or from the MBB via the internal communications bus Information is transmitted between modules via a 3 wire commun...

Page 6: ...12 Entering Water Thermistor EWT 5k Thermistor TEMPERATURE UNIT EWT MBB J6 CH2 Leaving Water Thermistor LWT 5k Thermistor TEMPERATURE UNIT LWT MBB J6 CH1 Outdoor Air Thermistor OAT 5k Thermistor TEMPE...

Page 7: ...IP Switch 1 2 3 4 5 6 7 8 Address OFF OFF ON OFF ON OFF OFF OFF SPM A4 DIP Switch 1 2 3 4 5 6 7 8 Address OFF OFF OFF ON ON OFF OFF OFF SPM B1 DIP Switch 1 2 3 4 5 6 7 8 Address ON OFF OFF OFF OFF ON...

Page 8: ...N OFF ON DESCRIPTION INPUT OUTPUT I O TYPE SCROLLING MARQUEE POINT NAME CONNECTION POINT Pin Notation Power 24 vac supply SPM xn J1 QC1 24 vac QC2 Ground Local Equipment Network SPM xn JP1 1 2 G 3 SPM...

Page 9: ...2 and 3 DIP switch addresses See Tables 7 9 for inputs and outputs 1 2 3 4 5 6 7 8 ON 100 100 257 01 712 100K 100K 100 1 2 3 4 5 3 2 1 G J3 1 2 3 4 5 J2A EXVA J2B EXVB 24VAC STATUS MOV1 LOCATION OF S...

Page 10: ...k Thermistor TEMPERATURE CIR C SGT C EXV2J3 THA Circuit C EXV EXV C Stepper Motor OUTPUTS CIR C EXV C EXV2 J2A 1 2 3 4 1 2 3 4 5 6 7 8 ON 100K 100K 100K CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 TR1 TR2 TR3 TR4...

Page 11: ...FB1 J2 CH3 sizes 160 190 275 300 Duplex sizes 315 390 Outdoor Fan Motor 2 OFM2 TRIAC FB1 J2 CH2 sizes 060 110 FB1 J2 CH3 sizes 120 150 210 250 FB1 J2 CH4 sizes 160 190 275 300 Duplex sizes 315 390 Out...

Page 12: ...0 170 315 345 360B FB2 J2 CH3 sizes 190 275 300 360A 390 Outdoor Fan Motor 8 OFM8 TRIAC FB2 J2 CH3 sizes 160 170 315 345 360B FB2 J2 CH4 sizes 190 275 300 360A 390 Outdoor Fan Motor 9 OFM9 TRIAC FB2 J...

Page 13: ...on board relay contacts 21 24 will also open If the contacts do not close within one second time delay relay dial setting the 24 v control power to the chiller will be removed and all motor outputs wi...

Page 14: ...rcuit C Discharge Pressure Transducer DPTC Pressure Transducer 0 5 VDC PRESSURE PRC C DP C FB3 J7 CH13 Circuit C Suction Pressure Transducer SPTC Pressure Transducer 0 5 VDC PRESSURE PRC C SP C FB3 J8...

Page 15: ...CTION POINT 4 20 mA or 0 5 vdc Demand Limit 4 20 mA Demand Limit 0 5 vdc INPUTS GEN I DMND EMM J7B CH6 4 20 mA or 0 5 vdc Temperature Reset Setpoint 4 20 mA Temperature Reset Set point 0 5 vdc INPUTS...

Page 16: ...tem element Wir ing connections for CCN should be made at TB3 Consult the CCN Contractor s Manual for further information See Fig 11 NOTE Conductors and drain wire must be 20 AWG Ameri can Wire Gage m...

Page 17: ...r An additional leaving fluid temperature thermistor Dual Chiller LWT must be installed in the common chilled water piping as described in the Installation Instructions for both the master and slave c...

Page 18: ...shing to indicate Edit mode 2 Use up arrows to change value to 2 This address must match the address of the slave chiller 2 Accepts the change SLVA LLBL Lead Lag Balance Select ENBL Factory Default is...

Page 19: ...and Heat Tmp CRST Cooling Reset Type x 5 MSSL Master Slave Select 0 Disable 0 Disable Flashing to indicate Edit mode May require Password 2 Slave Use up arrows to change value to 2 2 Accepts the chan...

Page 20: ...or If Minimum Load Control is enabled for close control Configuration UNIT HGBP 2 the valve will be available at all stages for better temperature control If Minimum Load Control is enabled for high a...

Page 21: ...Minimum Load Control ON The next stage will turn OFF the minimum load control Stage 3 will start a compressor in the same circuit because of the Staged Circuit Loading configuration Compressor C3 has...

Page 22: ...discharge and liq uid line solenoids are added to all circuits Circuit B only for size 120 The control system must be correctly configured for proper operation The minimum load valve option must be en...

Page 23: ...W CTPT exceeds a calculated value and the rate of change of the water temperature is greater than a fixed value Override 13 Minimum On Off and Off On Time Delay Whenever a capacity step change has bee...

Page 24: ...ning compressors It also protects against operation with excessively high superheat No capacity steps will be added to the affected circuit until there is a superheat greater than 5 F 2 8 C and less t...

Page 25: ...M6 FM8 Fan Board Channel FB1 CH5 FB1 CH6 FB1 CH7 FB1 CH8 C Fan Number FM11 FM9 FM10 FM12 Fan Board Channel FB3 CH1 FB3 CH2 FB3 CH3 FB3 CH4 30RB250 250 A Fan Number FM3 FM1 FM2 FM4 Fan Board Channel FB...

Page 26: ...s of the display can be changed by performing the following actions Ensure the operator panel is in the parameter value chang ing level as described in the Changing Parameters with the Operator Panel...

Page 27: ...verter Start Converter The Start Converter button is disabled by default To enable this button set P0700 1 Stop Converter Press the Stop Converter button to cause the motor to come to a standstill at...

Page 28: ...y Setpoint 0 No frequency setpoint 1 Operator panel frequency control 2 Analog Setpoint default P1080 Min Motor Frequency Sets minimum motor frequency 0 650Hz at which the motor will run independent o...

Page 29: ...k motor data 2 Check loading on motor 3 Boost settings too high P1310 P1311 P1312 4 Check parameter for motor thermal time constant 5 Check parameter for motor I2t warning level F0041 Stator Resistanc...

Page 30: ...ther the motor is obstructed or overloaded A0502 Overvoltage Limit Mains supply too high Load regenerative Ramp down time too short 1 Check that mains supply voltage is within allowable range 2 Increa...

Page 31: ...tor The wires in the harness are marked PMP1 13 and PMP1 14 See the field wiring diagram in the 30RB Installation Instructions Regardless of the cooler pump control option selected if the chilled wate...

Page 32: ...emote Contact switch is in the Enable or Remote Contact position external contacts closed To operate under this Operating Type Control Operating Modes SLCT must be set to OPER 1 Two Internal Time Sche...

Page 33: ...ed many ways The Energy Management Module and an Ice Done Switch is required for operation in the Ice Mode In this configuration the machine can operate with up to three cooling set points Cooling Set...

Page 34: ...e provides 0 F 0 C chilled water set point reset at 85 0 F 29 4 C outdoor air temperature and 15 0 F 8 3 C reset at 55 0 F 12 8 C outdoor air tempera ture See Fig 21 and Table 28 Maximum Temperature 0...

Page 35: ...MPERATURE deg F T W E T W L DESIGN RISE TYPICAL 0 2 4 6 8 0 1 2 1 4 1 6 1 0 2 1 0 0 1 0 8 0 6 0 4 0 2 0 OUTDOOR TEMPERATURE F RESET AMOUNT deg F EXAMPLE LEGEND Fig 20 Chilled Water Temperature Control...

Page 36: ...erence where no temperature reset is required 0 Value of CRT1 0 Flashing to indicate Edit mode 10 0 Value of No Temperature Reset 10 from the example 10 0 Accepts the change CRT1 CRT2 Delta T Full Res...

Page 37: ...temperature reset is required 0 Value of CRO1 0 Flashing to indicate Edit mode 85 0 Value of No Temperature Reset 85 from the example 85 0 Accepts the change CRO1 CRO2 OAT Full Reset Temp Outdoor Temp...

Page 38: ...Full Reset Val Setpoints COOL CRV2 and Degrees Cool Reset Setpoints COOL DGRC In the following example at 4 mA no reset takes place At 20 mA 5 F 2 8 C chilled water set point reset is required See Fi...

Page 39: ...re where no temperature reset is required 0 Value of CRS1 0 Flashing to indicate Edit mode 72 0 Value of No Temperature Reset 72 from the example 72 0 Accepts the change CRS1 CRS2 Space T Full Reset T...

Page 40: ...door Temperature where no temperature reset is required 0 Value of CRV1 0 Flashing to indicate Edit mode 4 0 Value of No Temperature Reset 4 from the example 4 0 Accepts the change CRV1 CRV2 Current F...

Page 41: ...capacity to the closest capacity stage without exceed ing the value To disable demand limit configure DMDC to 0 EXTERNALLY POWERED 4 to 20 mA Controlled The energy management module is required for 4...

Page 42: ...S Change to Setpoints Mode COOL Cooling Setpoints HEAT MISC Miscellaneous Setpoints DLS1 Switch Limit Setpoint 1 0 None Current value for DLS1 0 None Flashing to indicate Edit mode May require Passwor...

Page 43: ...ours of start up to be sure that the run in screen in the suction guide strainer is removed To set the time for the parameter go to Time Clock MCFG W FIL Values for this item are counted as days Refer...

Page 44: ...essure control to ensure proper cooling cycle operation at low ambient temperatures See the 30RB Installation Instructions or the low ambient temperature head pressure con trol accessory installation...

Page 45: ...T LLBD The lead chiller is always started first and the lag chiller is held at zero percent capacity by the master chiller forcing the lag de mand limit value to 0 The lead chiller s water pump will b...

Page 46: ...03 Reset in Effect Criteria for Mode Tested when the unit is ON This mode is active when Temperature Reset Configuration RSET CRST is enabled either by CRST 1 Outside Air Tempera ture CRST 2 Return Wa...

Page 47: ...ive if a System Manager such as Building Supervi sor Chillervisor System Manager or another CCN device is controlling the machine Action Taken The machine will respond to the specific command received...

Page 48: ...r allowed map Operation at conditions at or outside the map boundaries will cause this mode to be in effect Operation at extremely low suction pressures and high condensing temperatures will cause the...

Page 49: ...ng hr_subcx can be can be accessed through following paths Temperature HEWT Temperature HLWT Run Status RUN HR CD Temperature CIR A HRS A Temperature CIR B HRS B RECLAIM CONDENSER WATER VALVE OUTPUT T...

Page 50: ...to confirm this has occurred This will attempt to force the EXV to 100 again To close the valve press select 0 with and press The actuator should knock when it reaches the bottom of its stroke If it i...

Page 51: ...r See Table 36 Change filter drier at first sign of moisture in system Table 36 Moisture Liquid Indicator Filter Drier Whenever moisture liquid indicator shows presence of moisture replace filter drie...

Page 52: ...tandard procedures can be followed when retub ing the coolers An 8 crush is recommended when rolling replacement tubes into the tubesheet The following Elliott Co tube rolling tools are required Expan...

Page 53: ...ing 24 vac through a 560 ohm dropping resistor This provides 12 vac to the MBB to prove flow has been established For recommended maintenance check the sensor tip for build up every 6 months Clean the...

Page 54: ...Tightening Sequence 30RB060 070 Fig 29 Bolt Tightening Sequence 30RB080 100 1 2 4 3 5 10 13 17 21 25 28 24 20 16 12 9 7 11 14 18 22 26 29 27 23 19 15 8 6 1 2 4 3 5 10 13 17 21 25 28 24 20 16 12 9 7 11...

Page 55: ...e life of the unit The following steps should be taken to clean MCHX condenser coils 1 Remove any foreign objects or debris attached to the coil face or trapped within the mounting frame and brackets...

Page 56: ...to prevent absorption of liquid refrigerant by oil in crankcase when compressor is not running Heater power source is control power transformer Relief Devices Fusible plugs are located in each circui...

Page 57: ...re indicator for moisture Check all condenser fans for proper operation Check compressor oil level Check crankcase heater operation Inspect pump seal if equipped with a hydronic pump package Every 12...

Page 58: ...C See Alarms P 11 P 12 and P 13 for potential causes Compressor Does Not Run Active alarm Check Alarm status See separate Alarm and follow troubleshooting instructions Active operating mode Check for...

Page 59: ...210 250 Circuit A shut down or not allowed to start 160 190 275 300 Automatic Wrong module address wrong unit configuration wiring error power loss to module F2 Loss of Communication with Fan Board N...

Page 60: ...4 hours Manual if multiple alarms within 24 hours Faulty thermistor faulty wiring low water flow rate low loop volume or freeze conditions 05 Circuit A Low Suction Temperature Low Saturated Suction Te...

Page 61: ...ommunication wiring no power or con trol power to the main base board to either module 31 Unit is in Emergency Stop Emergency Stop com mand has been received Unit shuts down or not allowed to start Au...

Page 62: ...Reclaim Condenser Entering Thermistor Unit shall return to the standard air cooled mode Automatic Faulty thermistor wiring error failed EMM HR board 09 Reclaim Condenser Leaving Thermistor None 10 OAT...

Page 63: ...Manual Possible Causes If this condition is encountered check the following items Check the wiring to the crankcase heater Check the crankcase heater for operation Check the SPM crankcase heater outpu...

Page 64: ...ection module SPM Check for a faulty SPM SPM Board Low Control Voltage Alert A1 06 Compressor A1 A2 06 Compressor A2 A3 06 Compressor A3 A4 06 Compressor A4 B1 06 Compressor B1 B2 06 Compressor B2 B3...

Page 65: ...Number 3 Criteria for Trip The criterion is tested whether the unit is ON or OFF and on 30RB210 300 machines only If communication with Fan Board 3 is lost for a period of 10 sec onds the alarm will...

Page 66: ...o the error code listed in Table 43 Action to be Taken Unit not allowed to start in Master Slave control Reset Method Automatic Possible Causes If this condition is encountered confirm proper configur...

Page 67: ...it Saturated Suction Temperature is greater than Maximum Operating Pressure MOP set point Configuration SERV MOP for more than 5 minutes Action to be Taken The circuit is shut down normally Reset Meth...

Page 68: ...erential across the compressor to prove proper rotation of the compressor During normal operation with the start of a compressor the discharge pressure for the circuit or the compressor differential D...

Page 69: ...noncondensables in the refrigerant circuit Check for condenser air re circulation Check for the proper refrigerant charge overcharged Check for operation beyond the limit of the machine Check the cond...

Page 70: ...is tested whether the unit is ON or OFF and the Servicing Alert decisions listed under Time Clock MCFG have been enabled The alarm will be generated if the one of the following configuration errors is...

Page 71: ...ng to the EXV board Check the board for a faulty channel Check for a faulty thermistor For thermistor descriptions identifiers and connections see Thermistors on this page Condenser Subcooling Liquid...

Page 72: ...to the CCN 1 Cut the CCN wire and strip ends of the red white ground and black conductors If another wire color scheme is used strip ends of appropriate wires 2 Insert and secure the red wire to termi...

Page 73: ...22 81 4 511 82 4 403 83 4 298 84 4 196 85 4 096 86 4 000 87 3 906 88 3 814 89 3 726 90 3 640 91 3 556 92 3 474 93 3 395 94 3 318 95 3 243 96 3 170 97 3 099 98 3 031 99 2 964 100 2 898 101 2 835 102 2...

Page 74: ...er the Manual Control mode the Enable Off Remote Contact switch must be in the OFF position Move the LED to the Service Test mode Press to access TEST Press to access T REQ Press and the display will...

Page 75: ...e the QUIC value to ON and press Quick Test mode is now active Fol low the same instructions for the Manual Control mode to acti vate a component Example Test the chilled water pump see Table 47 Power...

Page 76: ...peration NOTE There may be up to a one minute delay before the selected item is energized LEGEND FOR FIG 37 41 ALM R Alarm Relay ALT R Alert Relay CB Circuit Breaker CL HT Cooler Heater CWFS Chilled W...

Page 77: ...77 Fig 37 Control Schematic 30RB060 080 a30 4619...

Page 78: ...78 Fig 38 Control Schematic 30RB090 150 a30 4620...

Page 79: ...79 Fig 39 Control Schematic 30RB160 190 a30 4622...

Page 80: ...80 Fig 40 Control Schematic 30RB210 300 a30 4622...

Page 81: ...81 Fig 41 Heat Reclaim Control Schematic a30 4622...

Page 82: ...ine Starts XXXX 0 9999 forcible STRTHOUR st_mach HR P1 Water Pump 1 Run Hours XXXX hours 0 999000 forcible FANHOURS hr_cpum1 HR P2 Water Pump 2 Run Hours XXXX hours 0 999000 forcible FANHOURS hr_cpum2...

Page 83: ...rs Cir C XXXX hours 0 999000 forcible FANHOURS hr_fanc6 CP UN COMPRESSOR DISABLE A1 UN Compressor A1 Disable NO YES forcible CP_UNABL un_cp_a1 A2 UN Compressor A2 Disable NO YES forcible CP_UNABL un_c...

Page 84: ...N CLSE Not supported forcible N A fr_qck_1b FRP B Refrigerant Pump Out B OFF ON Not supported forcible N A fr_qck_2b FRV C Free Cooling Valve C OPEN CLSE Not supported forcible N A fr_qck_1c FRP C Ref...

Page 85: ...g F deg C 45 245 F 43 118 C CIRCB_AN SCT_B SST B Sat Suction Temp Circ B XXX X deg F deg C 45 245 F 43 118 C CIRCB_AN SST_B SGT B Suction Gas Temp Circ B XXX X deg F deg C 45 245 F 43 118 C CIRCB_AN S...

Page 86: ...et Val XX X mA Default 0 Not supported forcible SETPOINT v_hr_fu HRT1 Delta T No Reset Temp XXX X F C Default 0 Not supported forcible SETPOINT dt_hr_no HRT2 Delta T Full Reset Temp XXX X F C Default...

Page 87: ...rcuit B EXV Open XXX 0 100 CIRCB_AN EXV_B 8 FRP B Refrigerant Pump Out B OFF ON Not supported CIRCB_D FR_PMP_B FRVB Free Cooling Valve B OPEN CLSE Not supported CIRCA_D FR_VLV_B HR1 B Air Cond Enter V...

Page 88: ...o_Dialog User Display NO YES Must be set to NO NO FACTORY pd4_disp BOIL Boiler Command Select OFF ON Not supported OFF FACTORY boil_sel VLT S VLT Fan Drive Select NO YES Not supported NO FACTORY Vh_se...

Page 89: ...SER heat_th FREE Free Cooling OAT Limit XX X deg F deg C Not supported 32 0 USER free_oat BO TH Boiler OAT Threshold XX X deg F deg C 5 32 F 15 0 C Not supported 14 USER boil_th EHST Elec Stag OAT Thr...

Page 90: ...rcible OCC1P01S DOW3 PER 3 TUE 3 Tuesday Select NO YES forcible OCC1P01S DOW3 PER 3 WED 3 Wednesday Select NO YES forcible OCC1P01S DOW3 PER 3 THU 3 Thursday Select NO YES forcible OCC1P01S DOW3 PER 3...

Page 91: ...OCC2P02S DOW2 PER 2 SAT 2 Saturday Select NO YES forcible OCC2P02S DOW2 PER 2 SUN 2 Sunday Select NO YES forcible OCC2P02S DOW2 PER 2 HOL 2 Holiday Select NO YES forcible OCC2P02S DOW2 PER 3 Period 3...

Page 92: ...forcible HOLDY_01 HOL_DAY HOL 1 DUR 1 Holiday Duration in Day XX 1 to 99 forcible HOLDY_01 HOL_LEN HOL 1 HOL 2 Holidays Config 2 HOL 1 MON 2 Holiday Start Month See HOL 1 MON 1 forcible HOLDY_02 HOL_...

Page 93: ...t supported MODES MODE_12 47 MD13 Free Cooling Active OFF ON Not supported MODES MODE_13 47 MD14 Reclaim Active OFF ON MODES MODE_14 47 MD15 Electric Heat Active OFF ON Not supported MODES MODE_15 47...

Page 94: ...put DO 4 On Off fan_a4 Fan Output DO 5 On Off fan_a5 Fan Output DO 6 On Off fan_a6 Fan Staging Number 0 6 FAN_ST_A 4 Way Refrigerant Valve On Off RV_A CIRCB_AN Percent Total Capacity 0 100 CAPB_T Disc...

Page 95: ...On Off HGBP_V_C Fan Output DO 1 On Off fan_c1 Fan Output DO 2 On Off fan_c2 Fan Output DO 3 On Off fan_c3 Fan Output DO 4 On Off fan_c4 Fan Output DO 5 On Off fan_c5 Fan Output DO 6 On Off fan_c6 Fan...

Page 96: ...ready Free Cool Request Yes No fc_reqst Valve Actuator Heaters On Off FC_HTR CIRCUIT A Free Cooling Active Yes No fc_on_a Fan Staging Number 1 6 FAN_ST_A 3 Way Valve Position nnn fc_vlv_a 3 Way Valve...

Page 97: ...forcible Controlled Water Temp nnn n F CTRL_WT External Temperature nnn n F OAT Emergency Stop Enable Disable EMSTOP forcible MODES OPERATING MODES Startup Delay in Effect Yes No Mode_01 Second Setpoi...

Page 98: ...ATEGEN UNIT DISCRETE IN On Off Remote Switch Open Close ONOFF_SW Remote Heat Cool Switch Open Close HC_SW Current Control Off On Cool On Heat On Auto on_ctrl Remote Reclaim Switch Open Close RECL_SW F...

Page 99: ...Starts nnnnn st_cp_b2 Compressor B3 Starts nnnnn st_cp_b3 Compressor B4 Starts nnnnn st_cp_b4 Compressor C1 Hours nnnnn hours HR_CP_C1 Compressor C2 Hours nnnnn hours HR_CP_C2 Compressor C3 Hours nnn...

Page 100: ...Cir C 0 to 6 0 varfan_c Air Cooled Reclaim Sel Yes No No recl_opt Free Cooling Select Yes No No free_opt Electrical Heat Stages 0 to 4 0 ehs_sel Boiler Command Select Yes No No boil_sel Power Frequen...

Page 101: ...ration days 0 99 0 HOL_LEN MST_SLV MASTER SLAVE CONTROL Master Slave Select 0 Disable 1 Master 2 Slave 0 Disable 1 Master 2 Slave 0 ms_sel Master Control Type 1 Local Control 2 Remote Control 3 CCN Co...

Page 102: ...1 One Pump Only 2 Two Pumps Auto 3 Pump 1 Manual 4 Pump 2 Manual 0 4 0 No Pump 1 One Pump Only 2 Two Pumps Auto 3 Pump 1 Manual 4 Pump 2 Manual 0 pump_seq Pump Auto Rotation Delay 24 3000 48 hours pu...

Page 103: ...etpt 39 122 75 0 F cauto_sp Heat Changeover Setpt 32 115 64 0 F hauto_sp MISCELLANEOUS Switch Limit Setpoint 1 0 100 100 lim_sp1 Switch Limit Setpoint 2 0 100 100 lim_sp2 Switch Limit Setpoint 3 0 100...

Page 104: ..._of4 Power On 5 day mon year nnnnnn date_on5 Power On 5 hour minute nnnn time_on5 PowerDown 5 day mon year nnnnnn date_of5 PowerDown 5 hour minute nnnn time_of5 LOADFACT Average Ctrl Water Temp nnn n...

Page 105: ...Time 00 00 23 59 STRTTIME Current Unoccupied Time 00 00 23 59 ENDTIME Next Occupied Day Mon Sun NXTOCDAY Next Occupied Time 00 00 23 59 NXTOCTIM Next Unoccupied Day Mon Sun NXTUNDAY Next Unoccupied Ti...

Page 106: ..._cp_c4 TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME WRITE STATUS MAINTCFG MAINTENANCE CONFIG Servicing Alert Enable Disable Disable s_alert Refrigerant Charge Ctrl Enable Disable Disable charge_c...

Page 107: ...hr_fanc4 Circuit C Fan 5 Hours nnnnn hours hr_fanc5 Circuit C Fan 6 Hours nnnnn hours hr_fanc6 WATER PUMP WATER PUMP 1 Hours nnnnn hours hr_cpum1 WATER PUMP 2 Hours nnnnn hours hr_cpum2 Heat Reclaim...

Page 108: ...Board Failure Co A1 Loss of communication with Compressor Board A1 Co A2 Loss of communication with Compressor Board A2 Co A3 Loss of communication with Compressor Board A3 Co A4 Loss of communicatio...

Page 109: ...essor B2 Not Started or Pressure Increase not established P 22 Compressor B3 Not Started or Pressure Increase not established P 23 Compressor B4 Not Started or Pressure Increase not established P 24 C...

Page 110: ...r Failure A4 03 Compressor A4 High Pressure Switch A4 04 Compressor A4 Motor Temperature Sensor PTC Out Of Range A4 05 Compressor A4 Power Reset A4 06 Compressor A4 Low Control Voltage Alert B1 01 Com...

Page 111: ...Pressure Switch C2 04 Compressor C2 Motor Temperature Sensor PTC Out Of Range C2 05 Compressor C2 Power Reset C2 06 Compressor C2 Low Control Voltage Alert C3 01 Compressor C3 Motor Temperature Too Hi...

Page 112: ...3 3 466 128 7 53 7 596 148 4 64 7 60 8 6 13 0 162 57 0 13 9 264 87 4 30 8 366 110 4 43 6 468 129 0 53 9 600 149 0 65 0 62 10 0 12 2 164 57 7 14 3 266 87 9 31 1 368 110 8 43 8 470 129 3 54 1 604 149 5...

Page 113: ...protection module SPM 7 8 Scroll protection module inputs and outputs 8 Scrolling marquee display 3 Temperature reset 33 Cooler head bolts Tightening 53 55 Cooler protection 51 Chilled water flow swi...

Page 114: ...ts mode 86 Temperature mode 85 Time clock mode 90 93 Service 49 57 Coil maintenance and cleaning 53 55 Compressors 56 Condenser fans 55 Cooler protection 51 Electronic expansion valve EXV 49 MCHX micr...

Page 115: ...__________________________ SPM Address __________________________________ B3 Model _________________________________________ Serial _________________________________________ SPM Address ______________...

Page 116: ...ing wrapped with electric heater tape Yes No 11 Cooler heaters installed and operational Yes No 12 Is the unit equipped with low ambient head pressure control Yes No a If yes are wind baffles installe...

Page 117: ...time _______ hours Circuit A Circuit B Circuit C Refrigerant Charge __________ ___________ ___________ Additional charge required __________ ___________ ___________ Oil Charge Indicate level in sight...

Page 118: ...U SM NO YES Auto Start When SM Lost BOTH NO YES HSM Both Command Select LLWT xx Brine Min Fluid Temp LOSP xx x Brine Freeze Setpoint HD PG xx x Varifan Proportion Gain HD DG xx x Varifan Derivative Ga...

Page 119: ...O1 xxx x OAT No Reset Temp CRO2 xxx x OAT Full Reset Temp CRS1 xxx x Space T No Reset Temp CRS2 xxx x Space T Full Reset Temp DGRC xx x Degrees Cool Reset CAUT xx x Cool Changeover Setpt N A CRMP x x...

Page 120: ...tput CP C3 OFF ON Compressor C3 Output CP C4 OFF ON Compressor C4 Output HGB C OFF ON Hot Gas Bypass C Output QUIC Q REQ OFF ON Quick Test Mode EXV A xxx Circuit A EXV Open EXV B xxx Circuit B EXV Ope...

Page 121: ...pressor A2 Heater CH A3 OFF ON Compressor A3 Heater CH A4 OFF ON Compressor A4 Heater CH B1 OFF ON Compressor B1 Heater CH B2 OFF ON Compressor B2 Heater CH B3 OFF ON Compressor B3 Heater CH B4 OFF ON...

Page 122: ...______ SUP C ___________ EXV A__________ EXV B __________ EXV C ___________ NOTE EXV A B C positions are found in the output mode COMPRESSOR MOTOR CURRENT L1 L2 L3 COMPRESSOR A1 ______ ______ ______ C...

Page 123: ...________________________________________________________________________________________________ _______________________________________________________________________________________________________...

Page 124: ...e at any time specifications or designs without notice and without incurring obligations Catalog No 04 53300028 01 Printed in U S A Form 30RB 3T Pg CL 10 12 09 Replaces 30RB 2T Copyright 2009 Carrier...

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Carrier AQUASNAP 30RBA315, Controls, Start-Up, Operation, Service And Troubleshooting Instructions

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