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AAON ASM02293, Technical Manual

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AAON ASM02293 Technical Manual Download Page 36

2425 South Yukon Ave • Tulsa, OK • 74107-2728

Ph: (918) 583-2266 • Fax: (918) 583-6094

AAON P/N: 

G079110

, Rev. B

Created in the USA • Copyright August 2021 • All Rights Reserved 

 RSMVQ Technical Guide

 

G079110 · Rev. B · 21081

8

AAON Controls Support: 866-918-1100 

Monday through Friday, 7:00 AM to 5:00 PM 

Central Standard Time

Controls Support website:

www.aaon.com/controlstechsupport

AAON Factory Technical Support: 918-382-6450 

[email protected]

NOTE:

 Before calling Technical Support, please have the 

model and serial number of the unit available.

PARTS:

 For replacement parts, please contact your local 

AAON Representative.

Summary of Contents for ASM02293

Page 1: ...RSMVQ Technical Guide ...

Page 2: ...D is a registered trademark of Danfoss A S Tallahassee FL DMQ is a registered trademark of DunAn Microstaq Inc of Austin TX RSMVQ REVISION LOG REVISION AND DATE CHANGE Rev A April 12 2021 Original Rev B August 18 2021 Formatting and Guide updates www aaon com RSMVQ PARTS REFERENCE PART DESCRIPTION PART NUMBER RSMVQ ASM02293 VCCX2 Controller ASM01698 Prism 2 ASM02533 IP Module Kit ASM01902 CommLink...

Page 3: ...14 LCD SCREENS 15 LCD Display Screen and Navigation Keys 15 Main Screens Map 16 Module Screens 17 System Status Screens 18 Sensor Status Screens 19 Alarms Screens 20 Alarm History Screens 21 Setpoint Status Screens 22 Copeland Packaged VFD Screens 23 Danfoss VFD Screens 24 Danfoss VFD Screens 25 Copeland VFD Screens 26 Copeland VFD Screens and DMQ EXV Screens 27 TROUBLESHOOTING 28 LED Diagnostics ...

Page 4: ...re 1 RSMVQ Dimensions 6 Figure 2 RSMVQ Inputs Wiring 8 Figure 3 RSMVQ Outputs Wiring 9 Figure 4 Danfoss VZH028 VZH035 VZH044 Envelope 13 Figure 5 Danfoss VZH052 and VZH065 Envelope 13 Figure 6 Copeland ZPV0662E Envelope 13 Figure 7 Copeland ZPV0962E Envelope 13 Figure 8 LCD Display and Navigation Keys 15 Figure 9 RSMVQ LED Locations 28 Figure 10 Prism 2 Single Condenser Module Configuration 31 Fig...

Page 5: ... uses an E BUS cable to connect to the VCCX2 Controller Only one RSMVQ can be connected There are two E BUS expansion ports which allow connection to the VCCX2 Controller communicating sensors and other E BUS modules The RSMVQ is configured using Prism 2 software The RSMVQ provides four analog inputs two binary inputs four relays and two analog outputs See Figures 2 and 3 pages 8 and 9 for wiring ...

Page 6: ... WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED CONDENSER 2 5 V DISCHARGE TEMP 1 COMP STAT 1 H 1 P SATURATION TEMP 2 COMP STAT 2 GND NOT USED GND NOT USED GND BINARY INPUTS MODBUS RSMVQ www aaon com HEAD PRESSURE SENSORS DUAL E BUS EXP VALVE 1 5 V H 2 P GND NOT USED NOT USED GND NOT USED EXP VALVE 2 R T SH SHD T R SHD T R EXP VALVE 3 NOT INSTALLED EXP VALVE 4 NOT INSTALLED EAC...

Page 7: ... codes and specifications 2 All 24 VAC wiring must be connected so that all ground wires remain common Failure to follow this procedure can result in damage to the controller and connected devices 3 Minimum wire size for 24 VAC wiring should be 18 gauge 4 Minimum wire size for all sensors should be 24 gauge Some sensors require two conductor wire and some require three or four conductor wire 5 Min...

Page 8: ...he expansion modules and the controller are always powered together Loss of power to the expansion module will cause the controller to become inoperative until power is restored to the expansion module Figure 2 RSMVQ Inputs Wiring 18 30 VAC GND Line Voltage Size transformer for correct total load RSMVQ 18 VA BK RD WH COMP STAT 1 COMP STAT 2 COM Condenser Fan 2 COM Condenser Fan 1 BK RD WH Head Pre...

Page 9: ... 7 8 4 5 6 1 2 3 7 8 R to Term 68 RED GRN BLK RED GRN BLK R to PIN 2 T to PIN 7 SH to PIN 3 Ground shield wire on one end AAON P N ASM02293 24 VAC GND RELAY CONTACT RATING IS 1 AMP MAX 24 VAC CONDENSER 1 COMP 2 ENABLE COMP 2 HI SPEED ANALOG OUTPUTS COMMON RELAY OUTPUTS LABEL P N G079120 COND FAN 1 COND FAN 2 GND 24 VAC POWER ONLY WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED ...

Page 10: ... HP2 3 Discharge Temperature 1 TEMP1 4 Saturation Temperature 2 TEMP2 Binary Inputs 1 Compressor Status 1 BI1 2 Compressor Status 2 BI2 Analog Outputs 0 10 VDC 1 Condenser Fan 1 AO1 2 Condenser Fan 2 AO2 EXV COMM Ports 1 Expansion Valve 1 EXV 1 2 Expansion Valve 2 EXV 2 Binary Outputs 24 VAC 1 Compressor 2 Enable Relay RLY1 2 Compressor 2 High Speed Relay RLY2 3 Condenser 1 Enable Relay RLY3 4 Con...

Page 11: ...measure the Suction Saturation Temperature of the second circuit BI1 Compressor Status 1 A wet contact closure 24 VAC on this input indicates Compressor 1 is running Typically the source for this is a relay output from the VCCX2 If BI1 opens a compressor alarm will be generated Compressor 1 relay needs to be configured on the VCCX2 as A1 Compressor Run Status BI2 Compressor Status 2 A wet contact ...

Page 12: ...e turned off and Compressor 1 will be reset to 67 of its range min to max 3 If the Supply Air Temperature continues to remain below the Setpoint plus window and Compressor 1 VFD is at minimum capacity Compressor 1 will be turned off 4 If the Supply Air Temperature rises above the Setpoint and Compressor 1 VFD s minimum off time has been met Compressor 1 will be turned back on Dehumidification Oper...

Page 13: ...set to 67 at any stage event Therefore whenever a staging event occurs the VFD compressor position will be reset to the middle point of the modulation range This allows the compressor enough modulation time before making another staging event to try to avoid cycling between staging events Figure 4 Danfoss VZH028 VZH035 VZH044 Envelope Figure 5 Danfoss VZH052 and VZH065 Envelope Figure 6 Copeland Z...

Page 14: ...al When the condenser signal first activates it maintains at 100 for 10 seconds In the Cooling Mode the condenser signal will modulate to maintain the Cooling Head Pressure Setpoint The signal can modulate between 15 and 100 If the head pressure exceeds 550 psig the condenser control signal will immediately go to 100 and a high head pressure alarm will be generated The alarm will be deactivated wh...

Page 15: ... the Main Menu Screen categories Table 4 Navigation Key Functions Table 5 Editing Key Functions Editing Key Key Function UP or DOWN Use the UP or DOWN key to enter Edit Mode on a user adjustable screen Edit Mode is indicated by the underscore appearing on the screen NOTE Entering Edit Mode will also adjust the value up one UP key or down one DOWN key so you may have to readjust the value ENTER Use...

Page 16: ...OR STATUS Press to scroll through SENSOR STATUS screens Press to go to ALARMS screens ALARMS Press to scroll through ALARMS screens Press to go to ALARM HISTORY screens ALARM HISTORY Press to scroll through ALARM HISTORY screens Press to go to SETPOINT STATUS screens SETPOINT STATUS Press to scroll through SETPOINT STATUS screens Press to go to VFD MENU screens Note There are three separate VFD me...

Page 17: ...eens RSMVQ 1141vXXX E BUS E BUS COMMUNICATION DIAGNOSTICS Number of COMM packets received SOFTWARE 1024vXXX SOFTWARE VERSION ADDRESS CURRENT BOARD ADDRESS SYS TYPE COOL ONLY CURRENT SYSTEM TYPE COOL ONLY or HEAT PUMP OF COMP 1 or 2 OF COMPRESSORS OF EXVs ISO OF EXPANSION MODULES COMP A1 FIXED OR MOD COMPRESSOR 1 TYPE COMP A2 FIXED TWO STEP COMPRESSOR 2 TYPE OF COND 1 or 2 OF CONDENSERS TONNAGE UNI...

Page 18: ...FF or MODULATING COMPRESSOR 1 ON OFF or MODULATING FIXED ON OFF Compressor is on or off MODULATING 0 100 COMP A2 ON OFF or HI SPEED LO SPEED COMPRESSOR 2 ON OFF HI SPEED or LO SPEED FIXED ON OFF Compressor is on or off TWO STEP High Speed or Low Speed CONDFAN1 OFF CONDENSER 1 COND FAN NOT USED or OFF COND FAN MODULATING PERCENTAGE 0 100 CONDFAN2 OFF CONDENSER 2 COND FAN NOT USED or OFF COND FAN MO...

Page 19: ... PRESSURE 1 READING FROM INPUT HEAD PR2 XXX PSIG HEAD PRESSURE 2 READING FROM INPUT SUPRHT 1 XX DEG CURRENT SUPERHEAT 1 CALCULATION SUPRHT 2 XX DEG CURRENT SUPERHEAT 2 CALCULATION DISCTEMP XX DEG DISCHARGE LINE TEMP 1 READING FROM INPUT Only appears if configured for DANFOSS COIL 1 XX DEG COIL TEMPERATURE 1 COIL 2 XX DEG COIL TEMPERATURE 2 CALC CT XX DEG CALCULATED COIL TEMPERATURE Saturated Tempe...

Page 20: ...ng compressor modulation percentage LOW SUPERHEAT 1 SH1 DETECTED This alarm will be activated when the Superheat is less than 4ºF for two minutes during normal operation or four minutes during the first 10 minutes The system will shut down and will retry after five minutes LOW SUPERHEAT 2 SH2 DETECTED This alarm will be activated when the Superheat is less than 4ºF for two minutes during normal op...

Page 21: ...e and the second line will display how long ago each alarm last occurred The alarms listed on the ALARMS screen will be abbreviated as shown below CL TMP 1 Coil Temp 1 Failure CL TMP 2 Coil Temp 2 Failure COMP 1 FL Compressor 1 Not Running COMP 2 FL Compressor 2 Not Running HP SENSE No Head Pressure 1 Sensor Detected HIGH HP High Head Pressure Detected LOW SP Low Suction Pressure Detected LOW SH1 ...

Page 22: ...DPR 2 340 PSIG HEAD PRESSURE SETPOINT 2 Valid range is 260 475 psig Default is 340 psig SPRHT SP 15 SUPERHEAT SETPOINT SETTING Valid range is 1 30ºF Default is 15ºF LOW SUCT 95 PSIG LOW SUCTION PRESSURE SETPOINT SETTING Default is 95 psig COILT SP 40 COIL TEMPERATURE SETPOINT SETTING Valid range is 35 70ºF Default is 40ºF GLYCOL 40 GLYCOL PERCENTAGE SETPOINT SETTING Valid range is 35 70 Default is...

Page 23: ... Totals if it is missing communication packet information MB VALID MB VALID Totals if it receives good communication packet information VFD COMP VFD COMPRESSOR Enabled or Disabled SPD CMND SPEED COMMAND Commanded speed in rpm SPEED FB SPEED FEEDBACK Speed feedback read from the VFD in rpm MAX RPM MAXIMUM RPM Maximum speed programmed into the VFD in rpm NO ALARMS or ALARM CODE ALARM CODE Alarm code...

Page 24: ...ceives good communication packet information VFD STAT VFD COMPRESSOR Displays a value read from VFD showing status and configuration information Then it will display each bit of information separately COMMAND COMPRESSOR COMMAND Compressor percentage commanded to VFD MAX REF MAXIMUM SPEED Maximum speed programmed into the VFD in RPM MIN REF MINIMUM SPEED NOT 0 or CONFIRMED Minimum speed programmed ...

Page 25: ...Screens C1 HOURS COMPRESSOR RUNNING HOURS Compressor running hours read from VFD VFD HRS VFD RUNNING HOURS VFD running hours read from VFD MODEL MODEL NUMBER Compressor model number read from VFD DRIVE DRIVE NUMBER Type of Danfoss VFD CDS803 or CDS303 ...

Page 26: ...ead from VFD in rpm When in Force Mode speed can be adjusted from this screen by using the UP and DOWN buttons REG 78 thru 85 0 COPELAND VFD FAULT CODES 78 THROUGH 85 Used for troubleshooting faults See Emerson s See Copeland manual for descriptions as applicable TO CLEAR FAULT UP CLEAR FAULT To clear faults at the VFD press the UP button Faults will automatically clear after five minutes on their...

Page 27: ...he VFD DMQ EXV Screens Refer to the following map when navigating through the DMQ EXV Screens From the EXV TYPE Screen press ENTER to scroll through the screens EXV TYPE DMQ EXV1 4 DETECTED EXV1 4 DETECTED or NODETECT If DMQ is detected and communicating with RSMVQ each connected DMQ will be displayed on a separate screen DMQ1 4 PSI DMQ1 4 SUCTION PRESSURE READING Suction Pressure reading from DMQ...

Page 28: ... This green LED will light up when Compressor Status 2 switch is closed BI3 This green LED will light up when the Outdoor Coil Temperature switch is closed BI4 This green LED will light up when the Emergency Shutdown switch is closed Relay LEDs RLY1 RLY4 These green LEDs will light up when the relays are enabled and will stay lit as long as they are active RSMVQ Stepper Motor Valve LED EXV 1 This ...

Page 29: ...ng investigated Temperature Resistance Voltage for Type III 10 K Ohm Thermistor Sensors Temp ºF Temp ºC Resistance Ohms Voltage Input VDC Temp ºF Temp ºC Resistance Ohms Voltage Input VDC 10 23 3 93333 4 51 72 22 2 11136 2 635 5 20 6 80531 4 45 73 22 8 10878 2 605 0 17 8 69822 4 37 74 23 3 10625 2 576 5 15 60552 4 29 75 23 9 10398 2 549 10 12 2 52500 4 2 76 24 4 10158 2 52 15 9 4 45902 4 1 77 25 1...

Page 30: ...terminal See Table 7 this page Head Pressure Transducer Chart Voltage Pressure Voltage Pressure 0 5 0 2 6 350 0 6 17 2 7 367 0 7 33 2 8 384 0 8 50 2 9 400 0 9 67 3 0 417 1 0 83 3 1 434 1 1 100 3 2 450 1 2 117 3 3 467 1 3 133 3 4 484 1 4 150 3 5 500 1 5 167 3 6 517 1 6 183 3 7 534 1 7 200 3 8 550 1 8 217 3 9 567 1 9 233 4 0 584 2 0 250 4 1 600 2 1 267 4 2 617 2 2 283 4 3 634 2 3 300 4 4 650 2 4 317...

Page 31: ...s wired to AO1 and the RLY3 is enabled Refer to the figures below for Prism 2 configuration and Modular Service Tool Screen selection RSMVQ Condenser Options Configuration Screen Select the 1 Cond per RSMV option on the above handheld Modular Service Tool screen RSM 1 CONFIGURATION Condenser Options 1 Cond per RSMV USE or TO CHANGE Figure 10 Prism 2 Single Condenser Module Configuration ...

Page 32: ...wired to AO1 and AO2 and RLY3 and RLY4 Refer to the figures below for Prism 2 configuration and Modular Service Tool Screen selection RSMVQ Condenser Options Configuration Screen Select the 2 Cond per RSMV option on the above handheld Modular Service Tool screen RSM 1 CONFIGURATION Condenser Options 2 Cond per RSMV USE or TO CHANGE Figure 11 Prism 2 Two Condensers Module Configuration ...

Page 33: ...ssor 1 Single Danfoss CDS303 VFD Compressor 2 On Off Compressor 1 Single Danfoss CDS303 VFD Compressor 2 Two Step Compressor 1 Copeland EVCxxx Packaged VFD Compressor 2 On Off NOTE You must also select the model number See Figure 13 this page Compressor 1 Copeland EVCxxx Packaged VFD Compressor 2 Two Step NOTE You must also select the model number See Figure 13 this page Copeland Compressor Model ...

Page 34: ...ed RPM Maximum VFD Compressor Speed RPM Single Danfoss CDS803 VFD 7 900 5250 Single Danfoss CDS303 VFD 8 1000 5100 Single Copeland EVxxxx Modular VFD Determined by Compressor Model Single Copeland EVCxxx Packaged VFD Determined by Compressor Model Compressor 1 Danfoss CDS803 VFD Compressor 2 On Off 9 900 5100 13 900 5610 Compressor 1 Danfoss CDS803 VFD Compressor 2 Two Step 11 900 5100 Compressor ...

Page 35: ...35 RSMVQ Technical Guide NOTES ...

Page 36: ...818 AAON Controls Support 866 918 1100 Monday through Friday 7 00 AM to 5 00 PM Central Standard Time Controls Support website www aaon com controlstechsupport AAON Factory Technical Support 918 382 6450 techsupport aaon com NOTE Before calling Technical Support please have the model and serial number of the unit available PARTS For replacement parts please contact your local AAON Representative ...

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