RenewAire DN-Series, Installation, Operation And Maintenance Manual

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1.800.627.4499
DN-Series Integrated Programmable Controls
DOAS
6
1.0 OVERVIEW 10
1.1 CONTROL SEQUENCE OVERVIEW ...........................10
1.2 ENERGY RECOVERY BASICS ..................................11
1.3 TEMPERATURE SENSORS .....................................12
1.4 COMBINATION TEMPERATURE AND
HUMIDITY SENSORS .............................................12
1.5 SENSOR LOCATIONS .............................................13
2.0 CONTROLLER OVERVIEW 14
2.1 CONTROLLER ACCESS METHODS ..........................16
2.1.1 Using the Remote User Terminal (RUT) ...............................16
2.1.2 Connecting Using Internal Web Pages ................................17
2.1.3 Setting the PC IP Address ..................................................18
2.1.4 Using the Multikey Function of the Web Pages ...................19
2.2 CONTROLLER MENU STRUCTURE ..........................19
2.2.1 User Menu Structure .........................................................19
2.2.2 Password Protected Menu Structure .................................20
2.2.3 Password Entry ................................................................20
3.0 GENERAL FLOW FOR SETUP AND
RUNNING UNIT 20
4.0 UNIT CONFIGURATION 21
4.1 CONFIGURE GENERAL SETTING .............................21
4.1.1 Setting the Time and Date .................................................21
4.1.2 Setting the Unit of Measure ...............................................21
4.1.3 Setting the IP Address of the Controller .............................21
4.1.4 Scheduler .........................................................................22
4.2 VERIFY UNIT CONFIGURATION ...............................22
4.2.1 Main Unit Configuration.....................................................22
4.2.2 I/O Configuration ..............................................................23
4.2.3 Field-Installed Sensors and General Wiring .......................23
4.2.4 CO2/VOC Sensors .............................................................24
4.2.5 Differential Pressure Duct Sensor .....................................25
4.2.6 CA Temperature Sensor ....................................................26
4.2.7 Coil Leaving Temperature Sensor ......................................26
5.0 UNIT OPERATION AND FAN CONTROL 27
5.1 SEQUENCE OF OPERATION FOR UNIT START .........27
5.1.1 Digital Input (ID1) Unit On/Off ............................................28
5.1.1.1 Optional Smoke Detector ................................................28
5.1.1.2 Optional Motion Sensor...................................................28
5.1.1.3 Optional Drain Overflow Switch .......................................29
5.1.2 Dampers ...........................................................................29
5.1.3 Fans .................................................................................29
5.1.4 Airflow Measurement ........................................................29
5.1.5 Current Sensors ................................................................30
5.1.6 Filter Monitoring................................................................30
5.2 OPTIONS FOR SUPPLY FAN CONTROL ....................31
5.2.1 Constant Fan Speed Option ...............................................31
5.2.2 SA Flow Control Option .....................................................32
5.2.3 Supply Duct Static Pressure Control Option .......................32
5.2.4 CO2/VOC Control Option ...................................................33
5.2.5 CO2 Flow Control Option ...................................................33
5.3 OPTIONS FOR EXHAUST FAN CONTROL .................34
5.3.1 Constant Fan Speed Option ...............................................34
5.3.2 EA Flow Control Option .....................................................35
5.3.3 Supply Fan Command Tracking Control Option ..................35
5.3.4 Supply Fan Flow Tracking Control Option ...........................36
5.3.5 Return Static Pressure Control Option ...............................36
6.0 TEMPERING CONTROL 37
6.1 MODES OF OPERATION .........................................37
6.2 DEHUMIDIFICATION ..............................................38
6.2.1 Dehumidification Types and Settings .................................39
6.2.1.1 Dehumidification with Hot Gas Reheat ............................39
6.2.1.2 Dehumidification with Reheat from Heat Source..............40
6.2.1.3 Dehumidification with No Reheat .................................... 41
6.2.1.4 Dehumidification Disabled .............................................. 41
6.3 HEATING ..............................................................42
6.3.1 Heating Mode ...................................................................42
6.3.2 Setpoint Type and Control Type .........................................42
6.3.3 Heating Control Types .......................................................43
6.3.3.1 0–10VDC Gas or Electric Heating....................................43
6.3.3.2 0–10VDC Hot Water Valve ..............................................44
6.4 COOLING ..............................................................45
6.4.1 Cooling Mode ....................................................................46
6.4.2 Cooling Control Type .........................................................46
6.4.3 Cooling Types ...................................................................46
6.4.3.1 On/Off: One Stage of Cooling .........................................46
6.4.3.2 2-Stage: Two Stages of Cooling .....................................48
6.4.3.3 CW Mod: Chilled Water Modulating Coil ..........................50
6.4.3.4 PDX: Packaged DX Unit with Variable
Speed Compressor ........................................................51
6.5 COMBINED TEMPERING ........................................54
6.5.1 Heat Pump 1-Stage: with or without 0–10VDC Aux Heat ....54
6.5.1.1 Heat Pump 1-Stage Mode ...............................................54
6.5.1.2 Heat Pump 1-Stage Cooling Operation ............................54
6.5.1.3 Heat Pump 1-Stage Heating Operation ............................55
6.5.1.4 Heat Pump 1-Stage Auxiliary Heat ..................................56
6.5.1.5 Heat Pump 1-Stage Reversing Valve ...............................56
6.5.1.6 Heat Pump 1-Stage System Monitoring ...........................56
6.5.2 Heat Pump 2-Stage: with or without 0–10VDC Aux Heat ....57
6.5.2.1 Heat Pump 2-Stage Mode ..............................................57
6.5.2.2 Heat Pump 2-Stage Cooling Operation ...........................58
6.5.2.3 Heat Pump 2-Stage Heating Operation ...........................59
6.5.2.4 Heat Pump 2-Stage Auxiliary Heat..................................60
6.5.2.5 Heat Pump 2-Stage Reversing Valve ...............................60
6.5.2.6 Heat Pump 2-Stage System Monitoring ..........................60
6.5.3 VRF: with or without Modulating Auxiliary Heat .................61
6.5.3.1 VRF Mode ......................................................................61
6.5.3.2 VRF Cooling Operation ...................................................62
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