Page 1: Table Of Contents
Cooler Pump Operation ..... . .41 • YELLOW LED Cooler Pump Sequence of Operation ...41 Carrier Comfort Network ® (CCN) Interface ..28 •...
Page 2: Safety Considerations
• COOLER FLOW RATES AND LOOP VOLUMES • ROUTINE: • LOW-AMBIENT OPERATION • EVERY MONTH: • VOLTAGE — ALL UNITS • EVERY 3 MONTHS (FOR ALL MACHINES): • EVERY 6 MONTHS: OPERATION SEQUENCE ..... 54 •...
Page 3: General
WARNING CAUTION DO NOT VENT refrigerant relief valves within a building. This unit uses a microprocessor control system. Do not short Outlet from relief valves must be vented outdoors in accor- or jumper between terminations on circuit boards or modules; dance with the latest edition of ANSI/ASHRAE (American control or board failure may result.
Page 4: Basic Controls Usage
Press the keys to return ENTER ESCAPE The CCN (Carrier Comfort Network ) point names are also refer- ® the scrolling marquee display to its default menu of rotating dis- enced in the local display tables for users configuring the unit with play items (those items in Run Status ...
Page 5 Table 2 — Scrolling Marquee Display Menu Structure* SERVICE TIME OPERATING MODE TEMPERATURES PRESSURES INPUTS OUTPUTS CONFIGURATION ALARMS STATUS TEST POINTS CLOCK MODES Auto Service Ent and Leave Unit Pressures Cooling General General Display View of Time of Day Modes Current Test Mode Temps...
Page 6 Timed override is in effect. This is a 1 to 4 hour temporary override of the programmed sched- ule, forcing unit to Occupied mode. Override can be implemented with unit under Local (Enable) or CCN (Carrier Comfort Network ® ) control. Override expires after each use.
Page 7: Accessory Navigator™ Display Module
ACCESSORY NAVIGATOR™ DISPLAY MODULE Pressing will cause the “OFF” to flash. Use the up or ENTER down arrow to change “OFF” to “ON”. Pressing will il- ENTER The Navigator module provides a mobile user interface to the luminate all LEDs and display all pixels in the view screen. Press- ComfortLink control system, which is only available as a field-in- simultaneously allows the user to ENTER...
Page 8 Table 4 — Component, Power, and Control Drawings UNIT DESCRIPTION LOCATION Typical Control Box Fig. 3, page 9 30RAP010 Power Wiring Schematic Fig. 6, page 12 Control Wiring Schematic Fig. 7, page 13 Typical Control Box Fig. 3, page 9 30RAP011 Power Wiring Schematic Fig.
Page 11 a30-5713...
Page 12 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 6 — Typical Wiring Schematic, 30RAP010,015 Units — Power Wiring...
Page 13 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 7 — Typical Wiring Schematic, 30RAP010,015 Units — Control Wiring...
Page 14 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 8 — Typical Wiring Schematic, 30RAP011,016 Units — Power Wiring...
Page 15 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 9 — Typical Wiring Schematic, 30RAP011,016 Units — Control Wiring...
Page 16 TO COOLER, PUMP HEATER SEE STANDARD OPERTION HEATER DETAIL NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 10 — Typical Wiring Schematic, 30RAP018-030 Units — Power Wiring...
Page 17 Fig. 11 — Typical Wiring Schematic, 30RAP018-030 Units — Control Wiring...
Page 18 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 12 — Typical Wiring Schematic, 30RAP035-060 Units — Power Wiring...
Page 19 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 13 — Typical Wiring Schematic, 30RAP035-060 Units — Control Wiring...
Page 20 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 14 — Typical Wiring Schematic, 30RAP070-090 Units — Power Wiring...
Page 21 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 15 — Typical Wiring Schematic, 30RAP070-090 Units — Control Wiring...
Page 22 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 16 — Typical Wiring Schematic, 30RAP100,115 Units — Power Wiring...
Page 23 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 17 — Typical Wiring Schematic, 30RAP100,115 Units — Control Wiring...
Page 24 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 18 — Typical Wiring Schematic, 30RAP130-150 Units — Power Wiring...
Page 25 NOTE: Typical drawing shown. Refer to unit wiring diagram label for specific unit. Fig. 19 — Typical Wiring Schematic, 30RAP130-150 Units — Control Wiring...
Page 26: Main Base Board (Mbb)
3-wire communication trols the operation of the machine. The MBB continuously moni- bus or LEN (Local Equipment Network). The CCN (Carrier Com- tors input/output channel information received from its inputs and fort Network) bus is also supported. Connections to both LEN and from all other modules.
Page 27: Energy Management Module (Emm)
Fig. 21 — CCN Wiring Diagram Energy Management Module (EMM) EMM is available as a factory-installed option or as a field-in- stalled accessory. The EMM module receives 4 to 20 mA inputs for the leaving fluid temperature reset, cooling set point and de- mand limit functions.
Page 28: Green Led
Energize Compressor B3 (070-150) scrolling marquee display only. Energize Compressor A3 (080,090,115,130,150) Table 10 — Inputs (AUX) YELLOW LED The MBB has one yellow LED. The Carrier Comfort Network REF. (CCN) LED will blink during times of network communication. NAME DESCRIPTION...
Page 29: Alarm Control
where the cable enters or exits the building (one point per building ALARM EQUIPMENT PRIORITY only). To connect the unit to the network: The ComfortVIEW software uses the equipment priority value Turn off power to the control box. when sorting alarms by level. The purpose of the equipment prior- ity value is to determine the order in which to sort alarms that have Cut the CCN wire and strip the ends of the red (+), white the same level.
Page 30: Cooler Leaving Fluid Sensor
(SEN) and a RJ11 female connector. The RJ11 Slave chiller and configure the slave chiller to broadcast the value connector is used access into the Carrier Comfort Network ® to the Master chiller. The sensor wire must not be routed with any (CCN) at the sensor.
Page 31: Loss-Of-Cooler Flow Protection
Capacity Control CAUTION The control system cycles compressors, digital scroll modulating solenoid (if equipped), and minimum load valve solenoids (if Care should be taken when interfacing with other manufac- equipped) to maintain the user-configured leaving chilled fluid turer’s control systems due to possible power supply differ- temperature set point.
Page 32: Minutes Left For Start
The EXVs will provide a controlled start-up. During start-up, the The value can be changed to Circuit A or Circuit B leading as de- low pressure logic will be bypassed for 2-1/2 minutes to allow for sired. Set at automatic, the control will sum the current number of the transient changes during start-up.
Page 33 Table 13 — Part Load Data Percent Displacement, Standard Units with Minimum Load Valve CAPACITY STEPS CAPACITY % CONTROL 30RAP UNIT SIZE STEPS % DISPLACEMENT CIRCUIT A CIRCUIT B — — — — — — — — *Minimum Load Valve energized. NOTE: These capacity steps may vary due to different capacity staging sequences.
Page 34: Head Pressure Control
2 STARTS DEADBAND EXAMPLE 1000 3 STARTS TIME (SECONDS) STANDARD DEADBAND MODIFIED DEADBAND LEGEND LWT — Leaving Water Temperature Fig. 27 — Deadband Multiplier Ramp Loading circuit alert conditions (T116, T117) compare saturated suction temperature to the configured Brine Freeze Point (Set Points  Ramp loading (Configuration ...
Page 35 Evaporating Temperature (°F) Evaporating Temperature (°F) Fig. 28 — 30RAP010-090 Operating Envelope Fig. 29 — 30RAP100-150 Operating Envelope for R-410A Compressor for R-410A Compressor a30-5459 OFM1 130-150 100-150 OFM1 ONLY ONLY OFM2 OFM3 OFM5 OFM7 OFM9 OFM1 TOP VIEW TOP VIEW SIZES 010, 011, 015, 016 SIZES 018-030 OFM2...
Page 36 Table 14 — Fan Stages, Standard Unit FAN STAGES 30RAP UNIT SIZE FAN STAGE CONTACTOR ENERGIZED FANS OPERATING 010,015 STAGE 1 OFM1 STAGE 1 OFM1 018-030 STAGE 2 FC1,2 OFM1,2 STAGE 1 OFM3 035-050 STAGE 2 OFM1,2 STAGE 3 FC1,2 OFM1,2,3 STAGE 1 OFM4...
Page 37: Motormaster
MOTORMASTER V OPTION Fan motor troubleshooting should be done at the main control ® box. Disconnect power from unit. All fan motors are connected to The Motormaster V controller is standard on 30RAP010 and 015 Terminal Block 2. Disconnect each fan cable and check resistance size units.
Page 38: Operation Of Machine Based On Control Method And Cooling Set Point Selection Settings
Table 17 — HEVCF Parameters Reset at Chiller Power Cycle PARAMETER NO. FANS 1-20 1-22 1-23 1-24 1-25 Motor Power (kW) Motor Volts Motor Frequency Motor Amps (A) Motor Speed (RPM) 1140 1140 19.5 11.7 1140 15.6 1140 11.6 11.6 11.7 15.6 11.6...
Page 39: Cooling Set Point Select
Table 18 — Control Methods and Cooling Set Points COOLING SET POINT SELECT (CLSP) CONTROL OCCUPANCY TYPE STATE (CTRL) (SINGLE) (DUAL, SWITCH) (DUAL, OCC) (4 TO 20 MA) Occupied ON,CSP1 ON,CSP1 ON† 0 (switch) Unoccupied ON,CSP1 ON,CSP2 Occupied ON,CSP1 Illegal ON†...
Page 40: Low Sound Mode Operation
Table 21 — Menu Configuration of 4 to 20 mA Cooling Set Point Control MODE KEYPAD SUB-MODE KEYPAD ITEM ITEM DISPLAY COMMENT (RED LED) ENTRY ENTRY EXPANSION DISP ENTER UNIT OPT1 OPT2 HP.A HP.B EXV.A EXV.B CONFIGURATION M.MST RSET DMDC SLCT CLSP COOLING SETPOINT SELECT...
Page 41: Optional Factory-Installed Hydronic Package
The maximum load allowed for the Chilled Water Pump Starter is Optional Factory-Installed Hydronic Package 5 VA sealed, 10 VA inrush at 24 volts. The starter coil is powered If the chiller has factory-installed chilled fluid pumps, specific from the chiller control system. The starter should be wired be- steps should be followed for proper operation.
Page 42: Dual Integral Pump Control
Opened During Normal Operation Alarm will be generated and generated and chiller will not be allowed to start. In either fault the machine will stop. case listed above, Pump 2 will be commanded to start once Pump 1 has failed. If the control detects the chilled water pump interlock open for 25 seconds after initially being closed, a T194 —...
Page 43: Configuring And Operating Dual Chiller Control
Dual chiller start/stop control is determined by configuration of chillers. Connections can be made to the CCN screw terminals on Control Method (Configuration  OPT1  CTRL) of the Master LVT. Refer to Carrier Comfort Network Interface section, page ®...
Page 44 Table 22 — Dual Chiller Configuration (Master Chiller Example) SUB-MODE ITEM KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENTS DISP UNIT OPT1 CTRL CONTROL METHOD ENTER OPT2 CTRL SWITCH DEFAULT 0 ENTER OPT2 ESCAPE CCNA CCN ADDRESS DEFAULT 1 ENTER CCNB CCNB CCN BUS NUMBER DEFAULT 0 ENTER...
Page 45 Table 22 — Dual Chiller Configuration (Master Chiller Example) (cont) SUB-MODE ITEM KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENTS LLBL SCROLLING STOPS ENTER VALUE FLASHES ENTER SELECT 2 - Automatic LLBL LEAD/LAG BALANCE SELECT CHANGE ACCEPTED ENTER ESCAPE LLBL LLBD LEAD/LAG BALANCE DELTA LLBD LEAD/LAG BALANCE DELTA DEFAULT 168...
Page 46 Table 23 — Dual Chiller Configuration (Slave Chiller Example) SUB-MODE ITEM KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENTS DISP UNIT OPT1 CTRL CONTROL METHOD ENTER DEFAULT 0 OPT2 CTRL SWITCH (SEE NOTE 1) OPT2 ESCAPE CCNA CCNA CCN ADDRESS SCROLLING STOPS ENTER VALUE FLASHES ENTER...
Page 47 To use outdoor air or space temperature reset, four variables must To use return reset, four variables must be configured. In the Con- be configured. In the Configuration mode under the sub-mode figuration mode under the sub-mode RSET, items CRST, RT.NO, RSET, items (Configuration ...
Page 48 Table 26 — Configuring Return Fluid Temperature Reset MODE KEYPAD KEYPAD ITEM SUB-MODE ITEM DISPLAY COMMENT (RED LED) ENTRY ENTRY EXPANSION DISP ENTER ENTER UNIT ENTER OPT1 ENTER OPT2 ENTER EXV.A EXV.B CONFIGURATION 0 = No Reset 1 = 4 to 20 mA Input (EMM required) (Connect to LVT-9,8) RSET CRST...
Page 49: Demand Limit
To use demand limit, select the type of demand limiting to use. Then configure the demand limit set points based on the type Design Rise selected. DEMAND LIMIT (2-STAGE SWITCH CONTROLLED) To configure demand limit for 2-stage switch control set the De- mand Limit Select (Configuration ...
Page 50: Digital Scroll Operation
A1 compressor location. When a digital compressor is installed, a 100%. Regardless of capacity, the compressor always rotates with digital unloader solenoid (DUS) is used on the digital compressor. constant speed. As the compressor transitions from a loaded to un- loaded state, the discharge and suction pressures will fluctuate and DIGITAL SCROLL OPERATION the compressor sound will change.
Page 51: Pre-Start-Up
See Oil Charge section on page start-up of any compressor. Equipment damage could result if 60 for Carrier approved oils. heaters are not energized for at least 24 hours prior to com- 6. Electrical power source must agree with unit nameplate.
Page 52: Crankcase Heaters
approximately 15 to 17°F (–9.4 to –8.3°C). Refrigerant VAPOR Crankcase Heaters only may be added to a circuit through the in. suction Schrader Unit sizes 070-150 are equipped with crankcase heaters. Unit sizes connection on the suction line. 010-060 require field-installed crankcase heater(s) if remote cool- er accessory is utilized.
Page 53: Low-Ambient Operation
Greenspeed units. Installation of wind baffles is also re- ® 243 + 236 + 238 quired. Refer to separate installation instructions for operation us- Average voltage = ing this accessory. Contact your Carrier representative for details. = 239...
Page 54: Operation Sequence
Determine maximum deviation from average voltage: Access to the compressors is through latched panels from beneath the control box on all models or from opposite the coil side (sizes (AB) 243 – 239 = 4 v 010-030 only). The front door(s) provide access to the compres- (BC) 239 –...
Page 55: Exv Troubleshooting Procedure
converted to a saturated suction temperature. The thermistor mea- sures the temperature of the superheated gas entering the CAUTION compressor and the pressure transducer determines the saturated temperature of suction gas. The difference between the tempera- Do not disconnect EXV connector with power applied to the ture of the superheated gas and the saturated suction temperature board.
Page 56: Valve Motor Replacement
retracted position and may be installed as received; therefore, this step may be skipped if installing a new motor. CAUTION If the existing motor has been removed for inspection or clean- ing, be sure that the piston is fully retracted into the motor assembly before installation on the valve.
Page 57: Compressor Replacement (Fig. 45-47)
INCLUDED IN CABLE KIT CABLE CABLE CABLE RETAINER MOTOR AND ADAPTER MOTOR ADAPTER CABLE ASSEMBLY ASSEMBLY RETAINER CLIP GASKET MOTOR ADAPTER ASSEMBLY SIGHTGLASS SPORLAN FLOW NORMAL DIRECTION FLOW DIRECTION a30-4971 Fig. 43 — Electronic Expansion Valve Details (010-060) DISASSEMBLY CLOSED ADAPTER 27mm / 1 OPEN...
Page 58 as feasible. Remove high-pressure switch and pressure transduc- the mounting bolts and washers through the compressor feet. Us- er(s) if required for compressor removal. Lift one corner of the ing proper techniques, braze suction and discharge lines and check compressor at a time and remove all the rubber mounting grom- for leaks.
Page 59: Crankcase Heater
a30-5373 DPT, HPS (NOT SHOWN LOCATED BEHIND A1) SIGHT GLASS DISCHARGE LEGEND ACCESS VALVE — Discharge Pressure Thermostat ONLY ON — Discharge Temperature Thermistor SIZE 080,090,115,130,150 UNITS — High Pressure Switch — Return Gas Thermistor — Suction Pressure Transducer Fig. 47 — Component Location — 30RAP070-150 Table 33 —...
Page 60: Cooler
Use of the heater is not Puron refrigerant systems use a polyolester (POE) oil. Use only required unless the original cooler contained a factory- Carrier-approved compressor oil. Oil should be visible in com- installed heater. pressor oil sight glass. An acceptable oil level is from 5.
Page 61: Microchannel Heat Exchanger Condenser Coil Maintenance And Cleaning Recommendations
All units have one pressure relief device per circuit located in the cleaner is essential to extend the life of coils. This cleaner is avail- liquid line which relieves at 210°F (100°C). able from Carrier Replacement parts division as part number...
Page 62: Check Unit Safeties
THERMISTOR/TEMPERATURE SENSOR CHECK hydronic package and is considered abuse and may impair or A high quality digital volt-ohmmeter is required to perform this otherwise negatively impact the Carrier warranty. check. The main base board (MBB) monitors leaving fluid temperature at 1.
Page 63 Table 35 — 5K Thermistor Temperatures (°F) vs. Resistance/Voltage Drop (Voltage Drop for EWT, LWT, DLWT, RGT, and OAT) VOLTAGE VOLTAGE VOLTAGE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE DROP DROP DROP (OHMS) (OHMS) (OHMS) 1.982 7,686 0.511 1,190 –25 3.699 98,010 –24 1.956...
Page 64 Table 36 — 5K Thermistor Temperatures (°C) vs. Resistance/Voltage Drop (Voltage Drop for EWT, LWT, DLWT, RGT, and OAT) VOLTAGE VOLTAGE VOLTAGE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE DROP DROP DROP (OHMS) (OHMS) (OHMS) 1.982 7,855 0.506 1,158 –32 3.705 100,260 –31 1.935...
Page 65 Table 37 — 10K Thermistor Temperature (°F) vs. Resistance/Voltage Drop (For SPT) VOLTAGE VOLTAGE VOLTAGE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE DROP DROP DROP (OHMS) (OHMS) (OHMS) –25 4.758 196,453 2.994 14,925 0.890 2,166 –24 4.750 189,692 2.963 14,549 0.876 2,124 –23 4.741...
Page 66 Table 38 — 10K Thermistor Temperature (°C) vs. Resistance/Voltage Drop (For SPT) VOLTAGE VOLTAGE VOLTAGE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE DROP DROP DROP (OHMS) (OHMS) (OHMS) –32 4.762 200,510 3.056 15,714 0.940 2,315 –31 4.748 188,340 3.000 15,000 0.913 2,235 –30 4.733...
Page 67: Pressure Transducers
5/8 in. HEX 1/4-18 NPT 6" MINIMUM CLEARANCE FOR THERMISTOR REMOVAL INSTALL NUT AND SEAL ON THERMISTOR. APPLY THERMAL CONDUCTIVE LOOP WIRE HARNESS AND GREASE TO THERMISTOR SECURE WITH WIRE TIE AND WELL. INSERT TO FORM STRAIN RELIEF. THERMISTOR INTO WELL. INSULATE WITH CORK TAPE INSULATION.
Page 68: Strainer
Measure the pressure drop across the cooler or cooler/pump system and compare this to the system requirements. 4.2 in. (107 mm) Verify that cable connections at the switch and at the terminal block are secure. TORQUE WITH WRENCH (SIZE 22 mm) 0.87 in.
Page 69: Aeroacoustic (Low Sound) Fans
AEROACOUSTIC (LOW SOUND) FANS ™ Two designs have been used for this option and can be distin- guished by the mounting bolt color. Two separate processes are used depending on the design revision. A shroud and a wire guard provide protection from the rotating fan. IMPORTANT: Check for proper fan rotation (counter- clockwise when viewed from above).
Page 70 CAUTION DO NOT connect incoming AC power to output terminals T1, T2, and T3. Severe damage to the drive will result. Do not continuously cycle input power to the drive more than once every two minutes. Damage to the drive will result. CAUTION If input power has not been applied to the drive for a period of time exceeding three years (due to storage, etc.), the electro-...
Page 71 Table 40 — Fault Codes FAULT CODE DESCRIPTION SOLUTION High Temperature Fault: Ambient temperature is too high; Check cooling fan operation Cooling fan has failed (if equipped). Control Fault: A blank EPM, or an EPM with corrupted data Perform a factory reset using Parameter 48 — has been installed.
Page 72 MODE 7 MODE 8 Line Voltage: 01 = low line, 02 = high line Carrier Freq: 01 = 4 kHz, 02 = 6 kHz, 03 = 8 kHz Startup mode: flying restart Stop mode: coast to stop Standard Speed source: 01= keypad,...
Page 73: Drive Programming
It is strongly recommended that the user NOT change any pro- utes of exiting the PROGRAM mode, the password is not gramming without consulting Carrier service personnel. Unit required to access the parameters. After two minutes, the damage may occur from improper programming.
Page 74: Replacing Defective Modules
The pump was select- Electrical shock can cause personal injury and death. Shut off ed based on the flow and head requirements as provided to Carrier. all power to this equipment during installation. There may be It is not uncommon for actual pump duty to be different than what more than one disconnect switch.
Page 75: Pump Modifications And Impeller Trimming
If pump impeller diameter is known: ROUTINE: a. Connect a differential pressure gage across the pump at • Periodic clean water rinse, especially in coastal and indus- the ports provided on the pump volutes. trial applications. b. Read GPM from applicable impeller curve. •...
Page 76: General Power Failure
GENERAL POWER FAILURE COOLING LOAD SATISFIED After power is restored, restart is automatic through normal MBB Unit shuts down when cooling load has been satisfied. Unit re- start-up. starts when required to satisfy leaving fluid temperature set point. UNIT ENABLE-OFF-REMOTE CONTROL SWITCH IS THERMISTOR FAILURE If a thermistor fails in either an open or shorted condition, the unit will be shut down.
Page 77 Table 44 — Alarm and Alert Codes ALARM/ ALARM WHY WAS THIS ACTION TAKEN RESET PROBABLE ALERT DESCRIPTION ALARM BY CONTROL METHOD CAUSE CODE ALERT GENERATED? High-pressure switch open, solid-state motor protection Compressor feedback sig- module, internal overload Compressor A1 Shut P051 Pre-Alert Circuit A, Compressor 1 Failure...
Page 78 Table 44 — Alarm and Alert Codes (cont) ALARM/ ALARM WHY WAS THIS ACTION TAKEN RESET PROBABLE ALERT DESCRIPTION ALARM BY CONTROL METHOD CAUSE CODE ALERT GENERATED? High-pressure switch open, solid-state motor protection 3 consecutive P055 Pre-Alerts module, internal overload Circuit B, Compressor Compressor B1 shut T055...
Page 79 Table 44 — Alarm and Alert Codes (cont) ALARM/ ALARM WHY WAS THIS ACTION TAKEN RESET PROBABLE ALERT DESCRIPTION ALARM BY CONTROL METHOD CAUSE CODE ALERT GENERATED? Transducer failure, Circuit B Suction Outside of range (0 to poor connection to T093 Alert Pressure Transducer...
Page 80 Table 44 — Alarm and Alert Codes (cont) ALARM/ ALARM WHY WAS THIS ACTION TAKEN RESET PROBABLE ALERT DESCRIPTION ALARM BY CONTROL METHOD CAUSE CODE ALERT GENERATED? Automatic Faulty or sticking Suction pressure below restart after first Circuit B Low Suction EXV, low refrigerant T134 Alert...
Page 81 Table 44 — Alarm and Alert Codes (cont) ALARM/ ALARM WHY WAS THIS ACTION TAKEN RESET PROBABLE ALERT DESCRIPTION ALARM BY CONTROL METHOD CAUSE CODE ALERT GENERATED? Pump 2 Auxiliary Contacts Pump 2 turned off. Cooler Pump 2 Aux Wiring error, faulty did not close within Pump 1 will be started if T191...
Page 82 — Hydronic System Manager LEGEND — Leaving Chilled Water — Carrier Comfort Network — Leaving Fluid Temperature — Current Sensor Board — Main Base Board — Chillervisor System Manager — Outdoor-Air Temperature — Current Sensor Board —...
Page 83 Table 45 — HEVCF Common Alarms PROBABLE ALARM DESCRIPTION CAUSE Loss of communication with the Danfoss VFD module Wrong VFD address, damaged communication cable, wiring error, no power to VFD, unrespon- A179 sive VFD. Mains phase loss(A4)* Phase is missing or imbalance is too high on supply side. Check incoming wiring, drive fuses, A412 and incoming power to unit.
Page 84 Table 46 — HEVCF Alarm/Alert Details, Danfoss Drive ALARM NO./ ALARM/ ALARM DESCRIPTION WARNING ALARM/TRIP PARAMETER WARNING NO. TRIP LOCK T413 10V Low T413,A412 Live Zero Error 6-01 T413 No Motor 1-80 T413,A412 Mains phase Loss 14-12 T413 DC Voltage High T413 DC Voltage Low T413,A412...
Page 85: Low Saturated Suction
LOW SATURATED SUCTION ASTP Protection Trip All non-digital Copeland compressors are equipped with an ad- Several conditions can lead to low saturated suction alarms and vanced scroll temperature protection (ASTP). A label located the chiller controls have several override modes built in which will above the terminal box identifies models that contain this technol- attempt to keep the chiller from shutting down.
Page 86: Motor Overload Protection
Motor Overload Protection WARNING COPELAND COMPRESSORS MODELS WITH ELECTRI- CAL CODE TF (010-090) Do not supply power to unit with compressor cover removed. Models with a “TF” in the electrical code (i.e., ZP120KCE-TFD) Failure to follow this warning can cause a fire, resulting in per- have an internal line break motor overload located in the center of sonal injury or death.
Page 87 c. Measure the resistance of the thermistor protection chain Gently bend the holding tabs holding the Kriwan module in through these sensor leads with an ohm meter. the terminal box and remove the Kriwan module from the ter- minal box. See Fig. 63. CAUTION Take note of the S1-S2 plug orientation on the compressor thermistor fusite.
Page 88 Install the CoreSense module in the compressor terminal box condition. Alert codes are communicated via a red flashing LED. Alert codes will result in a trip condition and possibly a lockout as shown in Fig. 66, with the tabs holding the module in condition.
Page 89 Table 48 — CoreSense Communication Module LED Flash Codes FAULT CODE TROUBLESHOOTING LED STATUS FAULT CONDITION FAULT CODE RESET DESCRIPTION INFORMATION None, normal operation Module is powered and Not applicable None SOLID GREEN under normal operation Module malfunction Module has an internal fault Not applicable 1.
Page 90 Alert will reset after 30 minutes and the M2-M1 contacts will close if the resistance of the motor PTC circuit is back in the LEDS normal range. The module will lock out the compressor if the trip condition exists for longer than 6 hours. Once the module DIP SWITCHES MOTOR THERMAL has locked out the compressor, a power cycle will be required...
Page 91 Fig. 71 — PTC Reset Delay Active Fig. 74 — In Case of Phase Reverse Error (after PTC Overheat) The lockout may be canceled by resetting the power mains (dis- Phase Loss, Phase Sequence — The electronic module pro- connect L-N) for approximately 5 seconds. vides protection against phase reversal and phase loss at start- Internal Module Failure Protection —...
Page 92: Alarms And Alerts
• If the relay contacts M1-M2 are still open, Wiring Error replace the module. A wiring error might not allow the compressor to start. High Discharge Gas Temperature Protection To check out alerts T051-T057: Units equipped with digital compressors have an additional therm- 1.
Page 93 regular expression notation X* means any number of occur- usually a faulty transducer, faulty 5-v power supply, or a loose rences of X (including 0 occurrences). For the expression connection. 11*00*11*0, read as at least 1 ON state, followed by at least 1 T094 (Discharge Gas Thermistor Failure) —...
Page 94 1. The suction pressure of both circuits is sampled 5 seconds EMM will stop, which can include demand limit, reset and capac- before the compressor is brought on, right when the com- ity input. The alarm will automatically reset. pressor is brought on, and 5 seconds afterwards. T174 (4 to 20 mA Cooling Set Point Input Failure) —...
Page 95 T197 (Flow Lost While Pump 2 Running) — This alert indi- enough time to shut down, before the chilled water flow stops. cates that cooler flow switch contacts open for 3 seconds after ini- Check the following items: tially made, when Pump 2 is running. When this alert occurs, all •...
Page 96 down; the cooler pump will shut off if control enabled. Manual re- chiller will shut down, or is not allowed to start. Reset is automatic set will be required for this alarm. when all alarms are cleared. T300 (Cooler Pump 1 Scheduled Maintenance Due) — This T413 (Variable Speed Fan Motor/Drive Failure) —...
Page 97: Appendix A - Display Tables
APPENDIX A — DISPLAY TABLES Run Status Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT AUTO VIEW OF RUN STATUS XXX.X° F Entering Fluid Temp XXX.X° F Leaving Fluid Temp SETP XXX.X° F Internal Active Setpoint CTPT XXX.X° F Control Point LOD.F Load/Unload Factor...
Page 98 APPENDIX A — DISPLAY TABLES (cont) Run Status Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT PREVENTIVE MAINTENANCE PUMP PUMP MAINTENANCE SI.PM XXXX HRS Pump Service Interval Default: 8760 P.1.DN XXXX HRS Pump 1 Service Countdown P.2.DN XXXX HRS Pump 2 Service Countdown P.1.MN...
Page 99 APPENDIX A — DISPLAY TABLES (cont) Service Test Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT* To enable Service Test mode, move Enable/Off/Remote Control switch to TEST Service Test Mode OFF. Change TEST to ON. Move switch to ENABLE OUTPUTS EXV.A XXX%...
Page 100 APPENDIX A — DISPLAY TABLES (cont) Temperature Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT ENTERING AND LEAVING UNIT TEMPERATURES CEWT XXX.X° F Cooler Entering Fluid CLWT XXX.X° F Cooler Leaving Fluid UNIT XXX.X° F Outside Air Temperature XXX.X°...
Page 101 APPENDIX A — DISPLAY TABLES (cont) Inputs Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT GENERAL INPUTS STST STRT/STOP Start/Stop Switch FLOW ON/OFF Cooler Flow Switch PM.F.1 ON/OFF Cooler Pump 1 Interlock PM.F.2 ON/OFF Cooler Pump 2 Interlock GEN.I HT.RQ ON/OFF...
Page 102 APPENDIX A — DISPLAY TABLES (cont) Outputs Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT GENERAL OUTPUTS FAN1 ON/OFF Fan 1 Relay FAN2 ON/OFF Fan 2 Relay FAN3 ON/OFF Fan 3 Relay FAN4 ON/OFF Fan 4 Relay FAN5 ON/OFF Fan 5 Relay FAN6...
Page 103 APPENDIX A — DISPLAY TABLES (cont) Configuration Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT DISPLAY CONFIGURATION TEST ON/OFF Test Display LEDs METR ON/OFF Metric Display Off = English On = Metric Default: 0 0 = English DISP LANG Language Selection 1 = Espanol...
Page 104 APPENDIX A — DISPLAY TABLES (cont) Configuration Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT UNIT OPTIONS 2 CONTROLS Default: 0 0 = Enable/Off/Remote Switch CTRL Control Method 2 = Occupancy 3 = CCN Control Default: 1 LOAD Loading Sequence Select 1 = Equal...
Page 105 APPENDIX A — DISPLAY TABLES (cont) Configuration Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT CIR A EXV CONFIGURATION Default:25% EXV Opening at Low LWT EXV.L Range:0 to 50% Default:10°F XX° F LWT for EXV Min Opening LWT.L Range:-20 to 40°F Default:50%...
Page 106 APPENDIX A — DISPLAY TABLES (cont) Configuration Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT MOTORMASTER Default: 0 0 = NONE MMR.S Motormaster Select 1 = LOW AMBIENT 2 = GREENSPEED Default: 1 P.GAN XX.X Head Pressure P Gain Range: 1 to 4 Default: 0.1 I.GAN...
Page 107 APPENDIX A — DISPLAY TABLES (cont) Configuration Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT SETPOINT AND RAMP LOAD Default: 0 0 = Single 1 = Dual Switch CLSP Cooling Set Point Select 2 = Dual CCN Occupied 3 = 4 to 20 mA Input (requires EMM) SLCT...
Page 108 APPENDIX A — DISPLAY TABLES (cont) Time Clock Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT TIME OF DAY TIME HH.MM XX.XX Hour and Minute Military (00:00 - 23:59) MONTH, DATE, DAY, AND YEAR 1 - 12 (1 = January, MNTH Month of Year 2 = February, etc.)
Page 109 APPENDIX A — DISPLAY TABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT HOLIDAY SCHEDULE 09 1 - 12 (1 = January, Holiday Start Month 2 = February, etc.) HD.09 Start Day 01-31 Duration (days) HOLIDAY SCHEDULE 10 1 - 12 (1 = January, Holiday Start Month...
Page 110 APPENDIX A — DISPLAY TABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT HOLIDAY SCHEDULE 20 1 - 12 (1 = January, Holiday Start Month 2 = February, etc.) HD.20 Start Day 01-31 Duration (days) HOLIDAY SCHEDULE 21 1 - 12 (1 = January, Holiday Start Month...
Page 111 APPENDIX A — DISPLAY TABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT SCH.N Schedule Number SCH.L LOCAL OCCUPANCY SCHEDULE OCCUPANCY PERIOD 1 OCC.1 XX:XX Period Occupied Time Military (00:00 - 23:59) UNC.1 XX:XX Period Unoccupied Time Military (00:00 - 23:59) MON.1...
Page 112 APPENDIX A — DISPLAY TABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT OCCUPANCY PERIOD 6 OCC.6 XX:XX Period Occupied Time Military (00:00 - 23:59) UNC.6 XX:XX Period Unoccupied Time Military (00:00 - 23:59) MON.6 YES/NO Monday In Period...
Page 113 APPENDIX A — DISPLAY TABLES (cont) Operating Mode and Sub-Mode Directory SUB-MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT MODES CONTROLLING UNIT MD01 ON/OFF CSM Controlling Chiller MD02 ON/OFF WSM Controlling Chiller MD03 ON/OFF Master/Slave Control MD05 ON/OFF Ramp Load Limited MD06 ON/OFF Timed Override in effect MD07...
Page 114: Appendix B - Ccn Tables
APPENDIX B — CCN TABLES CCN DISPLAY TABLES — A_UNIT (General Unit Parameters) DESCRIPTION VALUE UNITS POINT NAME FORCIBLE Control Mode 0 = Test STAT 1 = Local Off 2 = CCN Off 3 = Clock Off 4 = Emergency Stop 5 = Local On 6 = CCN On 7 = Clock On...
Page 115 APPENDIX B — CCN TABLES (cont) CCN DISPLAY TABLES — CIRCADIO (Circuit A Discrete Inputs/Outputs) DESCRIPTION VALUE UNITS POINT NAME CIRC. A DISCRETE OUTPUTS Compressor A1 Relay K_A1_RLY Comp A1 Unload Time A1UNLTME Compressor A2 Relay K_A2_RLY Compressor A3 Relay K_A3_RLY Minimum Load Valve Relay MLV_RLY...
Page 116 APPENDIX B — CCN TABLES (cont) CCN DISPLAY TABLES — OPTIONS (Unit Parameters) DESCRIPTION VALUE UNITS POINT NAME FANS Fan 1 Relay FAN_1 Fan 2 Relay FAN_2 Fan 3 Relay FAN_3 Fan 4 Relay FAN_4 Fan 5 Relay FAN_5 Fan 6 Relay FAN_6 Fan 7 Relay FAN_7...
Page 117 APPENDIX B — CCN TABLES (cont) CCN CONFIGURATION TABLES — OPTIONS1 (Options 1 Configuration) DESCRIPTION VALUE DEFAULT UNITS POINT NAME Cooler Fluid 1 = Water FLUIDTYP 2 = Med. Brine Minimum Load Vlv Select No/Yes MLV_FLG CSB Board Enable Dsable/Enable Enable CSB_ENA Cooler Pump Control...
Page 118 APPENDIX B — CCN TABLES (cont) CCN CONFIGURATION TABLES — RESETCON (Temperature Reset and Demand Limit) DESCRIPTION VALUE DEFAULT UNITS POINT NAME COOLING RESET Cooling Reset Type 0 = No Reset CRST_TYP 1 = 4-20 mA input 2 = External temp – OAT 3 = Return Fluid 4 = External temp - SPT 4-20 MA RESET...
Page 119 APPENDIX B — CCN TABLES (cont) CCN CONFIGURATION TABLES — DISPLAY (Marquee Display SETUP) DESCRIPTION VALUE DEFAULT UNITS POINT NAME Service Password nnnn 1111 PASSWORD Password Enable Enable/Disable Enable PASS_EBL Metric Display Off/On DISPUNIT Language Selection 0 = ENGLISH LANGUAGE 1 = FRANCAIS 2 = ESPANOL 3 = PORTUGUES...
Page 120 APPENDIX B — CCN TABLES (cont) CCN SERVICE TABLES — SERVICE DESCRIPTION VALUE DEFAULT UNITS POINT NAME SERVICE F Brine Freeze Point nnn.n 34.0 BRN_FRZ Pump Service Interval nnnnn 876.0 hours SI_PUMPS COMPRESSOR ENABLE Enable Compressor A1 Disable/Enable Dependent on unit size ENABLEA1 Enable Compressor A2 Disable/Enable...
Page 121 APPENDIX B — CCN TABLES (cont) CCN MAINTENANCE TABLES — STRTHOUR DESCRIPTION VALUE UNITS POINT NAME Machine Operating Hours nnnnnn hours HR_MACH Machine Starts nnnnnn CY_MACH Circuit A Run Hours nnnnnn hours HR_CIRA Compressor A1 Run Hours nnnnnn hours HR_A1 Compressor A2 Run Hours nnnnnn hours...
Page 122 APPENDIX B — CCN TABLES (cont) CCN MAINTENANCE TABLES — VFD1 DESCRIPTION VALUE UNITS POINT NAME Unit Voltage Volts UNITVOLT Num Poles in Fan Motor FANPOLES Fan Control Select MM_SLCT VFD1 Comm Fail Count VF1CFAIL Danfoss VFD Command VFD1CMD Danfoss VFD Status Word VFD1STAT Danfoss VFD Voltage Volts...
Page 123 APPENDIX B — CCN TABLES (cont) CCN MAINTENANCE TABLES — LOADFACT DESCRIPTION VALUE UNITS POINT NAME CAPACITY CONTROL Load/Unload Factor snnn.n F Control Point snnn.n CTRL_PNT F Entering Fluid Temp snnn.n F Leaving Fluid Temp snnn.n Ramp Load Limited On/Off MODE_5 Slow Change Override On/Off...
Page 124 APPENDIX B — CCN TABLES (cont) CCN MAINTENANCE TABLES — TESTMODE DESCRIPTION VALUE UNITS POINT NAME Service Test Mode On/Off NET_CTRL Compressor A1 Relay On/Off S_A1_RLY Compressor A2 Relay On/Off S_A2_RLY Compressor A3 Relay On/Off S_A3_RLY Compressor A4 Relay On/Off S_A4_RLY Compressor B1 Relay On/Off...
Page 125 CCN MAINTENANCE TABLES — RUNTEST (cont) DESCRIPTION VALUE UNITS POINT NAME Minimum Load Valve Relay On/Off MLV_RLY Compressor B1 Feedback On/Off K_B1_FBK Compressor B2 Feedback On/Off K_B2_FBK Compressor B3 Feedback On/Off K_B3_FBK Fan 1 Relay On/Off FAN_1 Fan 2 Relay On/Off FAN_2 Fan 3 Relay...
Page 126: Appendix C - Factory Settings For Pump And Manual Starters
APPENDIX C — FACTORY SETTINGS FOR PUMP AND MANUAL STARTERS 30RAP UNIT SIZE PUMP SIZE PUMP OPTION* UNIT VOLTAGE OVERLOAD SETTING 208/230-60 380-60 1.5 HP 2, 9 460-60 575-60 208/230-60 380-60 3 HP 3, 4, B, C 460-60 575-60 208/230-60 14.5 380-60 010-060...
Page 127: Appendix D - Bacnet Communication
APPENDIX D — BACNET COMMUNICATION The following section is used to configure the UPC Open control- ler which is used when the BACnet communication option is selected. The UPC Open controller is mounted in the main control 10's box per unit components arrangement diagrams. TO ADDRESS THE UPC OPEN CONTROLLER The user must give the UPC Open controller an address that is unique on the BACnet network.
Page 128 The example in Fig. C shows the BAS Port DIP Switches set for To wire the UPC Open controller to the BAS network: 76.8k (Carrier default) and MS/TP. Pull the screw terminal connector from the controller's BAS Set the BAS Port DIP Switches DS2 and DS1 for the appropriate Port.
Page 129 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Fig. E — BT485 Terminator Installation To install a BT485 terminator, push the BT485 terminator on to and a tougher outer jacket than the SmokeGard specification, and the BT485 connector located near the BACnet connector. it is appropriate for use in applications where the user is concerned about abrasion.
Page 130 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Table D — Open System Wiring Specifications and Recommended Vendors WIRING SPECIFICATIONS RECOMMENDED VENDORS AND PART NUMBERS CONNECT AIR CONTRACTORS WIRE TYPE DESCRIPTION INTERNATIONAL BELDEN RMCORP WIRE AND CABLE 22 AWG, single twisted shielded pair, low capacitance, CL2P, TC foam FEP, plenum rated.
Page 131 CCN Acknowledger. If a Chiller Lead/Lag/Standby ap- outages. plication is being used, then the Carrier technician must change the configuration to only one CCN Acknowledger on the CCN IMPORTANT: Power must be ON to the UPC Open when bus.
Page 132 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Table G — Network Points List CCN POINT READ/ DEFAULT BACNET BACNET POINT DESCRIPTION UNITS RANGE NAME WRITE VALUE OBJECT ID OBJECT NAME 4-20 mA Demand Signal LMT_MA AV:36 lmt_ma_1 4-20 mA Reset Signal RST_MA °F AV:33...
Page 133 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Table G — Network Points List (cont) CCN POINT READ/ DEFAULT BACNET BACNET POINT DESCRIPTION WRITE UNITS RANGE NAME VALUE OBJECT ID OBJECT NAME 1 = Test 2 = Local Off 3 = CCN Off 4 = Clock Off 5 = Emergency Stop Control Mode...
Page 134 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Table G — Network Points List (cont) READ/ DEFAULT BACNET BACNET POINT DESCRIPTION POINT NAME UNITS RANGE WRITE VALUE OBJECT ID OBJECT NAME Fan Relay 1 FAN_1 BV:60 fan_1_1 Fan Relay 2 FAN_2 BV:61 fan_2_1 Fan Relay 3...
Page 135 APPENDIX D — BACNET COMMUNICATION OPTION (cont) Table G — Network Points List (cont) READ/ DEFAULT BACNET BACNET POINT DESCRIPTION POINT NAME WRITE UNITS RANGE VALUE OBJECT ID OBJECT NAME Rotate Cooler Pumps Now ROT_PUMP No/Yes BV:12 rot_pump_1 Saturated Condensing Tmp TMP_SCTA °F AV:16...
Page 136: Sheets
APPENDIX E — MAINTENANCE SUMMARY AND LOG SHEETS 30RAP WEEKLY MAINTENANCE LOG NOTE: To avoid injury to personnel and damage to equipment or property when performing maintenance listed in this maintenance log, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sec- tions of this Controls, Start-Up, Operation, Service, and Trouble- shooting document.
Page 137 APPENDIX E — MAINTENANCE SUMMARY AND LOG SHEETS (cont) 30RAP Monthly Maintenance Log NOTE: To avoid injury to personnel and damage to equipment or property when performing maintenance listed in this maintenance log, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sections of this Controls, Start-Up, Operation, Service, and Troubleshooting document.
Page 138 APPENDIX E — MAINTENANCE SUMMARY AND LOG SHEETS (cont) 30RAP Seasonal Shutdown Log MONTH DATE OPERATOR UNIT SECTION ACTION ENTRY Isolate and Drain Cooler COOLER Add Glycol for Freeze Protection CONTROLS Do Not Disconnect Control Power NOTE: Equipment failures caused by lack of adherence to the Maintenance Interval Requirements are not covered under warranty.
Page 139: Index
114-126 32, 34 CCN wiring diagram Demand limit Summary and log sheets 137-139 CCN. See Carrier Comfort Network (CCN) Configuring MBB. See Main Base Board (MBB). Interface. Digital compressor configuration Microchannel heat exchanger (MCHX) con- Charge adjustment for brine operation...
Page 140 System check Remote space temperature sensor Temperature limits © 2021 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300221-01 Printed in U.S.A.
Page 141: Start-Up Checklist For 30Rap Liquid Chiller
START-UP CHECKLIST FOR 30RAP LIQUID CHILLER (Remove and use for Job File) NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preced- ing sections of this Controls, Start-Up, Operation, Service, and Troubleshooting document.
Page 142 7. CHILLED WATER PUMP STARTER INTERLOCKED WITH CHILLER.   8. INTEGRATED 40 MESH Y STRAINER CLEAN.   9. WATER LOOP VOLUME GREATER THAN MINIMUM REQUIREMENTS. (See Table 30).   10. PROPER LOOP FREEZE PROTECTION PROVIDED TO _____ °F (°C). ...
Page 143 III. Unit Start-Up (cont) 10. CHECK VOLTAGE IMBALANCE: AVERAGE VOLTAGE = (A-B + A-C + B-C)/3 MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = VOLTAGE IMBALANCE = ____________% (MAX. DEVIATION/AVERAGE VOLTAGE) X 100 VOLTAGE IMBALANCE LESS THAN 2%.   (DO NOT START CHILLER IF VOLTAGE IMBALANCE IS GREATER THAN 2%. CONTACT LOCAL UTILITY FOR ASSISTANCE.) 11.
Page 144 Compressor Running Current — All readings taken at full load. COMPRESSOR MOTOR CURRENT COMPRESSOR A1 COMPRESSOR A2 COMPRESSOR A3 COMPRESSOR B1 COMPRESSOR B2 COMPRESSOR B3 CONDENSER FAN MOTOR CURRENT FAN MOTOR 1 FAN MOTOR 2 FAN MOTOR 3 FAN MOTOR 4 FAN MOTOR 5 FAN MOTOR 6 FAN MOTOR 7...
Page 145 III. Unit Start-Up (cont) PRESS ESCAPE KEY TO DISPLAY “UNIT.” RECORD CONFIGURATION SETTINGS BELOW. UNIT (Configuration Settings) SUBMODE ITEM ITEM EXPANSION DISPLAY ENTRY UNIT CONFIGURATION SIZE UNIT SIZE SZA.1 COMPRESSOR A1 SIZE XX TONS SZA.2 COMPRESSOR A2 SIZE XX TONS SZA.3 COMPRESSOR A3 SIZE XX TONS...
Page 146 III. Unit Start-Up (cont) PRESS ESCAPE KEY TO DISPLAY “OPT1”. PRESS DOWN ARROW KEY TO DISPLAY “OPT2”. PRESS ENTER KEY. RECORD CONFIGURATION INFORMATION BELOW. OPTIONS2 (Options Configuration) SUBMODE ITEM ITEM EXPANSION DISPLAY ENTRY UNIT OPTIONS 2 CONTROLS CTRL CONTROL METHOD LOAD LOADING SEQUENCE SELECT LLCS...
Page 147 III. Unit Start-Up (cont) PRESS ESCAPE KEY TO DISPLAY “CCN”. PRESS DOWN ARROW KEY TO DISPLAY “EXV.A”. PRESS ENTER KEY. RECORD CONFIGURATION INFORMATION BELOW. EXV.A (Circuit A EXV Configuration) SUB-MODE ITEM ITEM EXPANSION DISPLAY ENTRY EXV OPENING AT LOW LWT EXV.L LWT FOR EXV MIN OPENING XX°...
Page 148 III. Unit Start-Up (cont) PRESS ESCAPE KEY TO DISPLAY “EXV.B”. PRESS DOWN ARROW KEY TO DISPLAY “MM”. PRESS ENTER KEY. RECORD CONFIGURATION INFORMATION BELOW. MM (Motormaster Configuration Settings) SUB-MODE ITEM ITEM EXPANSION DISPLAY ENTRY MMR.S MOTORMASTER SELECT P.GAN HEAD PRESSURE P GAIN XX.X I.GAN HEAD PRESSURE I GAIN...
Page 149 III. Unit Start-Up (cont) PRESS ESCAPE KEY TO DISPLAY “RSET”. PRESS DOWN ARROW KEY TO DISPLAY “SLCT”. PRESS ENTER KEY. RECORD CONFIGURATION INFORMATION BELOW: SLCT (Setpoint and Ramp Load Configuration) SUBMODE ITEM ITEM EXPANSION DISPLAY ENTRY SETPOINT AND RAMP LOAD CLSP COOLING SETPOINT SELECT RL.S...
Page 150 III. Unit Start-Up (cont) COMPONENT TEST USE ESCAPE/ARROW KEYS TO ILLUMINATE CONFIGURATION LED. PRESS ENTER TO DISPLAY “DISP”. PRESS ENTER AGAIN TO DISPLAY “TEST” FOLLOWED BY “OFF”. PRESS ENTER TO STOP DISPLAY AT “OFF” AND ENTER AGAIN SO “OFF” DISPLAY FLASHES. “PASS” AND “WORD” WILL FLASH IF PASSWORD NEEDS TO BE ENTERED.
Page 151 III. Unit Start-Up (cont) Service Test Mode and Sub-Mode Directory (cont) KEYPAD ITEM COMPLETED SUB-MODE ITEM DISPLAY COMMENT ENTRY EXPANSION (YES/NO) CIRCUIT A COMPRESSOR TEST CC.A1 ON/OFF COMPRESSOR A1 RELAY ENTER DIG.P XXX% COMP A1 UNLOAD PERCENT Digital Scroll option only CMPA CC.A2 ON/OFF...
Page 152 CUSTOMER TECHNICIAN _____________________________ REPRESENTATIVE DATE ___________________________________ DATE © 2021 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300221-01 Printed in U.S.A. Form 30RAP-7T Rev. A...

This manual is also suitable for:

Aquasnap 30rap010-150

Carrier AquaSnap 30RAP011-060 Controls, Start-Up, Operation, Service, And Troubleshooting

Safety Considerations

General

Conventions Used in this Manual

Basic Controls Usage

Controls

General

Main Base Board (MBB)

Energy Management Module (EMM)

Current Sensor Board (CSB)

Auxiliary (AUX) Board

Electronic Expansion Valve (EXV) Board

Compressor Expansion Board (CXB)

Enable/Off/Remote Control Switch

Emergency On/Off Switch

Board Addresses

Control Module Communication

Carrier Comfort Network ® (CCN) Interface

Alarm Control

Sensors

Energy Management Module

Loss-Of-Cooler Flow Protection

Electronic Expansion Valves (Exvs)

Capacity Control

Head Pressure Control

High-Efficiency Variable Condenser Fans

Operation of Machine Based on Control Method and Cooling Set Point Selection Settings

Cooling Set Point Select

Ice Mode

Cooling Set Point (4 to 20 Ma)

Low Sound Mode Operation

Heating Operation

Service Test

Optional Factory-Installed Hydronic Package

Cooler Pump Control

Cooler Pump Operation

Cooler Pump Sequence of Operation

Configuring and Operating Dual Chiller Control

Temperature Reset

Demand Limit

Digital Scroll Option

Pre-Start-Up

System Check

Start-Up and Operation

Crankcase Heaters

Actual Start-Up

Check Refrigerant Charge

Charge Adjustment for Brine Operation

Operating Limitations

Operation Sequence

Service

Electronic Components

Electronic Expansion Valve (EXV)

EXV Troubleshooting Procedure

Compressor Replacement (Fig. 45-47)

Crankcase Heater

Cooler

Oil Charge

Maintenance and Cleaning Recommendations .

MICROCHANNEL Heat EXCHANGER CONDENSER COIL MAINTENANCE and CLEANING Recommendations

Round Tube Plate Fin (RTPF) Condenser Coil Maintenance and Cleaning Recommendations

Check Refrigerant Feed Components

Check Unit Safeties

Thermistors

Pressure Transducers

Chilled Water Flow Switch

Strainer

Condenser Fans

Motormaster® V Controller

Hydronic Package

Maintenance

Recommended Maintenance Schedule

Motor Overload Protection

Alarms and Alerts

Appendix A - Display Tables

Appendix B - Ccn Tables

Appendix C - Factory Settings for Pump and Manual Starters

Appendix D - Bacnet Communication

Appendix E - Maintenance Summary and Log

Sheets