Related Manuals for AAON RSMD Series
Summary of Contents for AAON RSMD Series
- Page 1 Compatible with VCCX/VCCX-IP Series RSMD-A Technical Guide ASM06852 PIC32 Processor Software SS1168 RP2040 Processor Software SS3009...
- Page 2 Scroll™ is a registered trademark of Emerson Electric Co., Saint Louis, Factory Technical Support Phone: 918-382-6450 AAON® Controls Support: 866-918-1100 It is the intent of AAON® to provide accurate and current product Rev. A information. However, in the interest of product improvement, AAON®...
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Page 3: Table Of Contents
TABLE OF CONTENTS OVERVIEW ................................. 5 General Information ..............................5 Dimensions ................................6 INSTALLATION AND WIRING .......................... 7 Electrical and Environmental Requirements ......................7 WIRING ................................8 Inputs Wiring ................................8 Outputs Wiring ................................ 9 INPUTS AND OUTPUTS ..........................10 Map .................................. - Page 4 TABLE OF CONTENTS FIGURES RSMD-A Dimensions Figure 1: .............................. 6 RSMD-A Inputs Wiring Figure 2: ............................. 8 RSMD-A Outputs Wiring Figure 3: ............................9 Prism 2 RSMD-A Configuration Screen Figure 4: ......................12 Copeland ZP104KC, ZP122KC, and R410A Envelope Figure 5: ...................
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Page 5: Overview
Status LED or using the Software Version screen. alarms. The correct software version must be used for WARNING: all software upgrades. Loading the incorrect software could result in malfunction. Contact AAON Technical Support for assistance, if required. RSMD-A Technical Guide... -
Page 6: Dimensions
COMM 4751 POWER 4751 HP-1 MENU ENTER COMP1 DOWN SP-2 RSMD-A www.aaon.com 24VAC AAON P/N: ASM06852 +5 V 5.55 SP-1 SUCTION PRES 1 5.26 RELAY OUTPUT RELAY CONTACT +5 V TERMINALS RATING IS 1 AMP 4.96 HP-1 HEAD PRES 1... -
Page 7: Installation And Wiring
Please carefully read and apply the following information when wiring the unit controller, RSMD-A, and any associated module. Correct wiring of the AAON unit controller and its modules is • All wiring is to be in accordance with local and national the most important factor in the overall success of the controller electrical codes and specifications. -
Page 8: Wiring
Transducer ALARM Head Pressure 1 Transducer (by others) MENU ENTER DOWN RSMD-A www.aaon.com Suction Pres 2 AAON P/N: ASM06852 +5 V and Head Pres 2 SP-1 SUCTION PRES 1 RELAY OUTPUT are not used RELAY CONTACT +5 V TERMINALS RATING IS 1 AMP... -
Page 9: Outputs Wiring
MENU ENTER Digital Compressor 1 COMP1 DOWN Condenser Signal 1 SP-2 RSMD-A www.aaon.com 24VAC AAON P/N: ASM06852 +5 V SP-1 SUCTION PRES 1 RELAY OUTPUT RELAY CONTACT +5 V TERMINALS RATING IS 1 AMP HP-1 HEAD PRES 1 COMP 1... -
Page 10: Inputs And Outputs
INPUTS AND OUTPUTS Inputs/Outputs Map , for the RSMD-A inputs and outputs. Table 2, this page REFRIGERATION SYSTEM MODULE FOR DIGITAL COMPRESSORS Analog Inputs SP-1 Suction Pressure 1 Transducer HP-1 Head Pressure 1 Transducer SP-2 Not Used HP-2 Not Used TEMP1 Compressor Discharge Temperature Sensor 1 Compressor Discharge Temperature Sensor 2 (used on heat... -
Page 11: Descriptions
INPUTS AND OUTPUTS Descriptions Inputs and Outputs Descriptions BIN3 - Outside Coil Temperature / Proof of Water Flow Status This input can be used for the following two options: Analog Inputs • This wet contact input monitors a Air to Air Heat Pump - SP-1 - Suction Pressure Transducer defrost coil temperature switch on air to air heat pump units. -
Page 12: Sequence Of Operations
SEQUENCE OF OPERATIONS Prism 2 Configuration Prism 2 software must be used to configure the RSMD-A Module. Type of Reheat Choose from the list of reheat options the type of reheat the unit The Prism 2 software simplifies unit setup by identifying type of has. -
Page 13: Modes Of Operation
SEQUENCE OF OPERATIONS Modes of Operation Cooling and Heating Modes Staging of the compressors is determined by the Supply Air Temperature setpoint not being satisfied. Staging is met by turning the digital compressors and on/off compressor on or off, or the two- step compressor to low speed (two-thirds, 67%, capacity) or to high speed (full, 100%, capacity). -
Page 14: Stage Type 105 - Digital Plus Tandem On/Off Compressors
SEQUENCE OF OPERATIONS Stage Type 105 - Digital Plus Tandem On/Off Compressors The RSMD-A uses different staging sequences depending on the unit Stage 4 to 5 (A1 is on; B1 stages on and B2 is on) configuration. Below are the different stage types the module can use. •... - Page 15 SEQUENCE OF OPERATIONS Stage Type 105 - Digital plus Tandem On/Off Compressors Reheat only on second circuit in Dehumidification Mode Stage 2 (A1 is off; B1 is off and B2 is on) • B2 on immediately, no conditions needed. Stage 2 to 3 (A1 is off; B1 stages on and B2 is on) •...
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Page 16: Stage Type 107 - Tandem Digital With On/Off Compressor Plus Tandem On/Off Compressors
SEQUENCE OF OPERATIONS Stage Type 107 – Tandem Digital with On/Off Compressor plus Tandem On/Off Compressors Units affected Cooling and Heating Stage Down • RNA-D 40 Ton Stage 8 to 7 (A1, A2 and B2 are on; B1 stages off) •... - Page 17 SEQUENCE OF OPERATIONS Stage Type 107 – Tandem Digital with On/Off Compressor plus Tandem On/Off Compressors Regular Dehumidification Stage Down Reheat only on second circuit in Dehumidification Mode Stage 8 to 6 (A1, B1 and B2 are on; A2 stages off) Stage 2 (A1, A2 and B2 are off;...
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Page 18: Stage Type 200 - Tandem On/Off Compressors Plus Tandem On/Off Compressors Plus Tandem On/Off Compressors
SEQUENCE OF OPERATIONS Stage Type 200 – Tandem On/Off Compressors plus Tandem On/Off Compressors plus Tandem On/Off Compressors Units affected Stage 5 to 6 (A1 and A2 are on; B2 is off; B1 stages on) • Stage delay has been met. •... - Page 19 SEQUENCE OF OPERATIONS Stage Type 200 – Tandem On/Off Compressors plus Tandem On/Off Compressors plus Tandem On/Off Compressors Stage 1 to 0 (A2, B1 and B2 are off; A1 stages off) Stage 5 to 1 (B1 and B2 are off; A1 is on; A2 stages off) •...
- Page 20 SEQUENCE OF OPERATIONS Stage Type 200 – Tandem On/Off Compressors plus Tandem On/Off Compressors plus Tandem On/Off Compressors Stage 7 to 4 (B1 and B2 are on; A2 is off; A1 stages off) • Stage delay has been met. • Controlling temperature is below the staging window. •...
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Page 21: Envelope Protection
SEQUENCE OF OPERATIONS Envelope Protection Envelope Protection Compressor manufacturer specifications require the compressor to operate within its given operating envelope to maintain the life and longevity of the compressor. Some envelopes also have areas within that limit the minimum/maximum operating speeds. Min/ max speeds may also be limited based on the requirements of the unit’s total capacity. -
Page 22: Lcd Screens
LCD SCREENS Display Screen and Navigation Keys LCD Display Screen and Navigation Keys The LCD display screens and buttons allow viewing of status and alarms, and enable force modes. See , and refer Figure 7, this page , for descriptions. Table 3, this page ALARM MENU... -
Page 23: Screens Map
LCD SCREENS Screens Map RSMD-RNA RSMD-RNA SYSTEM SENSOR ALARMS ALARM SETPOINT 1168VXXX 3009VXXX STATUS STATUS HISTORY STATUS EBUS MODE SUCTION HEADPRSP XXX PSIG 340 PSI SOFTWARE COMP A1 HEAD LOW SUCT 1168VXXX XXX PSIG 95 PSI ADDRESS COMP A2 SATURATN COILT SP 1(152) XX.X°F... -
Page 24: Screen Descriptions
RSMD-RNA Refrigeration module screens. The second line all software upgrades. Loading the incorrect 1168VXXX shows the software number and its version. software could result in malfunction. Contact AAON Technical Support for assistance, if required. RSMD-RNA 3009VXXX SYSTEM System status screens... -
Page 25: Table 5: Module Screens
LCD SCREENS Screen Descriptions Module Screens System Status Screens Refer to the following table when navigating through the module Refer to the following map when navigating through the System screens. From the RSMVHPQ screen, press to scroll Status Screens. From the SYSTEM STATUS Screen, press <ENTER>... -
Page 26: Table 7: Sensor Status Screens
LCD SCREENS Screen Descriptions Sensor Status Screens Setpoint Status Screens Refer to the following map when navigating through the Sensor Refer to the following map when navigating through the Setpoint Status Screens. From the SENSOR STATUS Screen, press Status Screens. From the SETPOINT STATUS Screen, press to scroll through the screens. -
Page 27: Alarms Screens
LCD SCREENS Alarms Screens Alarms Screens If an alarm is present, the ALARM LED above the LCD display lights up red and blinks. The Alarms display and scroll automatically from the ALARMS screen when alarms are present. The alarms are as follows: ALARMS SCREENS Screen Text Description... - Page 28 LCD SCREENS Alarms Screens Alarm History Screens The ALARM HISTORY screen displays past alarms, if any, and how long ago the last of each type occurred. From the ALARM HISTORY screen, press to scroll through the history screens. <ENTER> ALARM HISTORY The first line is the ALARM NAME.
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Page 29: Protected Screens
LCD SCREENS Protected Screens Protected Screens Map Refer to the following map when navigating through the LCD Protected Screens. From the RSMD-A Screen, press <ENTER> twice to get to the Software Screen. Then hold the button <UP> for five seconds. To scroll through the rest of the screens, press the button. -
Page 30: Diagnostic Screens
LCD SCREENS Diagnostic Screens Diagnostic Screens Map Diagnostic Screens Refer to the following map when navigating through the Diagnostic Refer to , when navigating through the Table 11, this page Screens. From the DIAGNSTC Screen, press to scroll Diagnostic Screens. From the DIAGNSTC Screen, press <ENTER>... -
Page 31: Address Screen
LCD SCREENS ADDRESS SCREEN Address Screen ADDRESS 1(152) CURRENT BOARD ADDRESS Configure the address according to which refrigerant circuit this module represents—1=A OR 2=B Number in parentheses is E-BUS address. Module 1’s address is 152 Module 2’s address is 153 RSMD-A Technical Guide... -
Page 32: Troubleshooting
4751 POWER 4751 HP-1 MENU ENTER COMP1 DOWN SP-2 RSMD-A www.aaon.com 24VAC AAON P/N: ASM06852 +5 V SP-1 SUCTION PRES 1 RELAY OUTPUT RELAY CONTACT +5 V TERMINALS RATING IS 1 AMP HP-1 HEAD PRES 1 MAX @ 24 VAC... -
Page 33: Suction Pressure Transducer Testing
If the signal voltage is within ± 0.20 56.76 13.3 161.88 volts, the Suction Pressure Transducer is functioning within normal parameters. If not, contact AAON Technical Support for further 59.03 168.10 troubleshooting. 61.17 16.1 174.32... -
Page 34: Temperature Sensor Testing
TROUBLESHOOTING Temperature Sensor Testing Copeland Discharge Thermistor Temperature Thermistor Sensor Testing Instructions Sensor Testing Use the resistance column to check the thermistor sensor while disconnected from the controllers (not powered). , is provided to aid in checking sensors that Table 12, this page Use the voltage column to check sensors while connected to appear to be operating incorrectly. -
Page 35: Table 13: 0-5V Temperature Sensor - Voltage & Resistance For Type Iii Sensors
TROUBLESHOOTING Temperature Sensor Testing Sensor Voltage and Resistance Thermistor Sensor Testing Instructions Use the resistance column to check the thermistor sensor while The following sensor voltage and resistance table is provided to disconnected from the controllers (not powered). aid in checking sensors that appear to be operating incorrectly. . -
Page 36: Head Pressure Transducer
TROUBLESHOOTING Head Pressure Transducer If there is a suspected problem related to the Head Pressure Transducer, voltage and pressure readings can be taken at the head pressure terminal. See Table 14, this page. HEAD PRESSURE TRANSDUCER CHART Voltage Pressure Voltage Pressure Table 14: Head Pressure Transducer Chart RSMD-A Technical Guide... - Page 37 PARTS: For replacement parts, please contact your local AAON Representative. 2425 So. Yukon Ave • Tulsa, OK • 74107-2728 Ph: (918) 583-2266 • Fax: (918) 583-6094 Rev. A Created in the USA • © June 2024 AAON All Rights Reserved...
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