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RSM-DEV1 Technical Guide

INSTALLATION

Inputs and Outputs

Inputs/Outputs Map

See

Table 2, this page,

for the RSM-DEV1 inputs and outputs

RSM-DEV1 INPUTS AND OUTPUTS

Analog Inputs

Suction Pressure Transducer

Head Pressure Transducer

TEMP1

Discharge Line Temperature 1

TEMP2

Discharge Line Temperature 2

TEMP3

TXV Coil Temperature

TEMP4

Not used

TEMP5

Not used

TEMP6

Not used

Binary Inputs

BIN1

Compressor 1 status

BIN

Compressor 2 status

BIN3

Coil Temperature Switch

BIN4

Emergency shutdown (optional)

Analog Outputs (0-10 VDC)

AOUT1

Not used

AOUT2

Condenser Fan 1

EXV COMM Ports

EXV-1

EXV Controller 1

EXV-2

EXV Controller 2

EXV-3

Not used

EXV-4

Not used

Binary Outputs (24 VAC)

RLY1

Compressor 1 enable

RLY2

Compressor 2 enable

or Compressor 1 high speed enable

RLY3

Condenser 1 enable

RLY4

Reversing Controller’s Valve

Communication Terminals

DUAL E-BUS

E-BUS communication loop ports

MODBUS

VFD compressor

Table 2: RSM-DEV1 Inputs and Outputs

Содержание RSM-DEV1

Страница 1: ...e SS1192 RSM DEV1 Module Technical Guide WARNING The expansion valves installed and this module are a factory specified deviation Contact Controls Tech support before attempting any user configuration...

Страница 2: ...nfoss VFD is a registered trademark of Danfoss A S Tallahassee FL DMQ is a registered trademark of DunAn Microstaq Inc of Austin TX Sporlan is a division of Parker Hannifin Corporation Washington MO Y...

Страница 3: ...OPERATIONS 12 Modes of Operation 12 Staging 13 Envelope Protection 20 Component Operation 21 LCD SCREENS 22 LCD Display Screen and Navigation Keys 22 Main Screens Map 23 Screen Descriptions 24 TROUBL...

Страница 4: ...DMQ EXV Screens 31 Table 15 Sporlan EXV Screens 32 Table 16 Temperature Resistance and Voltage for Discharge Sensors 34 Table 17 Discharge Thermistor Temperature and Resistance 35 Table 18 Suction Pre...

Страница 5: ...with no reheat or reheat on the second circuit This module automatically configures condensers EXVs and compressors based on unit selection The RSM DEV1 uses an E BUS cable to connect to the VCCX2 Co...

Страница 6: ...ations 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 fo...

Страница 7: ...P N G149410 NOT USED COND FAN GND 24 VAC POWER ONLY WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED REVERSING VALVE 5 V DISCHARGE TEMP 1 COMP STAT 1 SP DISCHARGE TEMP 2 COMP STAT...

Страница 8: ...Switch Emer Shutdown Optional Condenser Fan GND 18 30 VAC Line Voltage Size transformer for correcto total load 18VA Inputs Wiring The RSM DEV1 uses an E BUS cable to connect to the VCCX2 Controller...

Страница 9: ...OLLER WILL BE DAMAGED REVERSING VALVE 5 V DISCHARGE TEMP 1 COMP STAT 1 SP DISCHARGE TEMP 2 COMP STAT 2 GND EMER SHDN GND NOT USED GND BINARY INPUTS MODBUS RSM DEV1 www aaon com SUCTION PRES DUAL E BUS...

Страница 10: ...ot used Binary Inputs BIN1 Compressor 1 status BIN Compressor 2 status BIN3 Coil Temperature Switch BIN4 Emergency shutdown optional Analog Outputs 0 10 VDC AOUT1 Not used AOUT2 Condenser Fan 1 EXV CO...

Страница 11: ...the auxiliary contact on the compressor contactor If BIN1 opens Compressor 1 Enable Relay de energizes and a compressor alarm is generated If Compressor 1 on module is a VFD then compressor status is...

Страница 12: ...During Heating Mode the VFD compressor modulation is determined from Supply Air Temperature Compressor envelope and or electrical current protections also affect the VFD compressor modulation by limit...

Страница 13: ...w for heating If Dehumidification Mode VFD is not allowed to stage off Stage Type 2 VFD Plus On Off Units affected RNC 30 Ton Modules Module 1 A VFD Module 2 B on off Stages for all modes Stage 0 All...

Страница 14: ...turns on at recommended start speed 3 600 RPM Copeland 3 000 RPM Danfoss Stage 1 to 4 VFD is on two step stages on at high speed then can transition to low speed VFD was at maximum speed Stage delay h...

Страница 15: ...igh speed VFD was at minimum speed Stage delay has been met Controlling temperature is below the staging window for cooling or above the staging window for heating Stage 3 to 2 VFD is off two step tra...

Страница 16: ...less than or equal to 50 and reheat valve is less than or equal to 50 VFD resets to recommended start speed 3 600 RPM Copeland 3 000 RPM Danfoss Stage 5 to 3 VFD stages off B1 and B2 are on Stage 4 to...

Страница 17: ...aging window for heating A1 resets at recommended start speed 3 600 RPM Copeland 3 000 RPM Danfoss Stage 1 to 0 A1 stages off A2 B1 and B2 are off A1 was at minimum speed A1 minimum run time met Stage...

Страница 18: ...below the staging window for heating A1 and C1 reset to recommended start speed 3 600 RPM Copeland B1 turns on Stage 3 to 5 A1 C1 and B1 are on D1 stages on A1 and C1 at maximum speed Stage delay has...

Страница 19: ...ve the staging window for heating A1 resets to recommended start speed 3 600 RPM Copeland 3 000 RPM Danfoss C1 off Stage 4 to 2 A1 stages off B1 and D1 are on C1 is off A1 is at minimum speed Controll...

Страница 20: ...while the compressor is running The minimum operating speed reference is read from the VFD and can change depending on where the compressor is operating within its envelope The VFD compressor is set t...

Страница 21: ...armer the fan starts at 100 Starting speed adjusts linearly between 40 and 70 degrees In Cooling Mode the condenser fan modulates speeds to target the discharge pressure setpoint based on the highest...

Страница 22: ...en categories Table 3 Navigation 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 appear...

Страница 23: ...ed depends on which EXV is installed on the unit The options are DMQ and Sporlan WARNING Contact Controls Tech Support before making any changes to the configuration of this module NOTE See the follow...

Страница 24: ...S XXX E BUS communication XXX equals the number of COMM packets received The number increases as packets are received SOFTWARE 1192vXXX Current software version The second line shows the software numb...

Страница 25: ...rm COND FAN XXX Condenser fan operation status Options are 0 100 NOT USED Condenser fan not in use OFF Condenser is off EXV ZX XXX Expansion valve operation status 0 100 Table 7 System Status Screens...

Страница 26: ...line temperature is above 260 F the compressor will back off If the temperature doesn t drop below 260 F after one minute the compressor will turn off Discharge line temperature needs to drop below 1...

Страница 27: ...arm occurrence Days for the next 30 days of alarm occurrence Alarms clear after 30 days Alarm history is not stored in memory If power is lost the alarms will clear ALARM HISTORY SCREENS Screen Text D...

Страница 28: ...on SETPOINT STATUS Setpoint Status screens HEADPRSP XXX PSIG Head Pressure Setpoint Valid range is 260 475 psig Default is 340 psig Measured in PSIG SUPRHT SP XX X F Superheat Setpoint Valid range is...

Страница 29: ...YES VFD is connected and communicating Options are YES NO MB RETRY XXXX Totals if it is missing communication packet infor mation MB VALID XXXX Totals if it receives good communication packet informat...

Страница 30: ...separately COMMAND XXX Compressor percentage commanded to VFD MAX REF XXXX RPM Maximum speed programmed into the VFD in RPM MIN REF CONFIRMD Minimum speed programmed into the VFD Options are NOT 0 CO...

Страница 31: ...navigating through the DMQ screens From the EXVTYPE DMQ Screen press ENTER to scroll through the screens EXV X DETECTED EXVX PSI XXX PSIG EXV TYPE DMQ DMQ EXV SCREENS Screen Text Description EXV TYPE...

Страница 32: ...r outdoor coil Measured in degrees Fahrenheit VLV TYPE DEVIATON This screen will show that this is a factory deviation Press and hold the UP button for 10 seconds to access the individual valve config...

Страница 33: ...resent BIN2 This green LED lights up when Compressor Status 2 input has 24VAC present BIN3 This green LED lights up when the Coil Temperature input has 24VAC present BIN4 This green LED lights up when...

Страница 34: ...ltage with meter set on DC volts Place the minus lead on the GND terminal and the plus lead on the sensor input terminal being investigated TEMPERATURE RESISTANCE AND VOLTAGE FOR DISCHARGE SENSORS Tem...

Страница 35: ...MPERATURE AND RESISTANCE Temp F Temp C Resistance kOhms Voltage Input VDC Temp F Temp C Resistance kOhms Voltage Input VDC 40 40 2889 60 4 98 167 75 12 73 2 80 31 35 2087 22 4 97 176 80 10 79 2 59 22...

Страница 36: ...ge at the SP1 and GND terminals and compare it to the appropriate chart depending on the refrigerant in use If the temperature voltage or pressure voltage readings do not align closely with the chart...

Страница 37: ...URE 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...

Страница 38: ...01 2 MEMOBUS communications b1 02 2 MEMOBUS communications H5 01 Drive Slave Address Default 31 1F H5 02 Comm Speed Default 3 9600 H5 03 Comm Parity Default 0 No Parity H5 04 Stop Method after comm er...

Страница 39: ...as For example if this is the first module connected and there are 4 wires connected to Stepper Valve 1 and 5 wires connected to Stepper Valve 2 the screens should be configured as follows NOTE When o...

Страница 40: ...8 1100 918 382 6450 controls support aaon com Monday through Friday 7 00 AM to 5 00 PM Central Time Controls Tech Support website www aaon com aaon controls technical support AAON Factory Technical Su...

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