Carrier 48LCB07 Controls, Start-Up, Operation And Troubleshooting Download | Manualshive

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480277-01

Printed in U.S.A.

Form 48-50LCB-7-26-02T Rev. A

Pg 1

3-2020 Replaces: 48-50LCB-7-26-01T

Controls, Start-Up, Operation and

Troubleshooting

CONTENTS

Page

SAFETY CONSIDERATIONS   . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SENSOR/ACCESSORY INSTALLATION  . . . . . . . . . . 3
Sensors and Accessories   . . . . . . . . . . . . . . . . . . . . . 7
User Interfaces   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Install Analog Sensors  . . . . . . . . . . . . . . . . . . . . . . . . 7

• SUPPLY AIR SENSOR (SAT)

• OUTDOOR AIR SENSOR (OAT)

• CO2 SENSOR(S) (IAQ AND OAQ)

• RELATIVE HUMIDITY SENSORS (SPACE OR DUCT

Installing Discrete Inputs . . . . . . . . . . . . . . . . . . . . . 14

• SINGLE ENTHALPY (OUTDOOR ENTHALPY)

• DIFFERENTIAL ENTHALPY

• FIRE SHUTDOWN

• FILTER STATUS

• IGC OVERRIDE

Communication Wiring . . . . . . . . . . . . . . . . . . . . . . . 15

• BACNET MS/TP

• I-VU BUILDING AUTOMATION SYSTEM

• LOCAL ACCESS

START-UP   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
VAV-RTU Open System Start-Up  . . . . . . . . . . . . . . . 17
Additional Installation/Inspection  . . . . . . . . . . . . . . 17

• POWER EXHAUST RELAY POWER

Service Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

• COMPRESSOR 1 AND COMPRESSOR 2 TEST

• HEAT 1 AND HEAT 2 TEST

• POWER EXHAUST TEST

• ECONOMIZER TEST

• VFD SPEED TEST

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

• UNIT CONFIGURATION

• SERVICE CONFIGURATION

LINKAGE BASED OPERATION . . . . . . . . . . . . . . . . 22
Occupancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Indoor (Supply) Fan . . . . . . . . . . . . . . . . . . . . . . . . . 22

• FAN OFF DELAY

• INDOOR (SUPPLY) FAN STATUS

Cooling  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Supply Fan  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Enthalpy Control   . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Space Air Quality  . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Power Exhaust  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Heating  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

• MORNING WARM-UP

• OCCUPIED HEATING

• UNOCCUPIED HEATING

Supply Air Tempering  . . . . . . . . . . . . . . . . . . . . . . . .24
Demand Controlled Ventilation   . . . . . . . . . . . . . . . .24
Demand Limit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Unoccupied Free Cooling  . . . . . . . . . . . . . . . . . . . . .24
Fire Shutdown  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Compressor Safety  . . . . . . . . . . . . . . . . . . . . . . . . . .25
Fan Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Filter Status   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Linkage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

• LINKAGE AIR SOURCE MODES

OPERATION — STANDALONE MODE . . . . . . . . . . .25
Occupied and Unoccupied Setpoints (standalone

mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Occupancy (using standalone configuration) . . . . .25
Indoor (Supply) Fan (standalone mode) . . . . . . . . .25

• FAN OFF DELAY

• INDOOR (SUPPLY) FAN STATUS

Cooling (standalone mode) . . . . . . . . . . . . . . . . . . . .26
Supply Fan (standalone mode) . . . . . . . . . . . . . . . . .26
Economizer (standalone mode) . . . . . . . . . . . . . . . .26

• ENTHALPY CONTROL

• SPACE AIR QUALITY

• POWER EXHAUST

Heating (standalone mode) . . . . . . . . . . . . . . . . . . . .27

• MORNING WARM-UP

• OCCUPIED HEATING

• UNOCCUPIED HEATING

• SUPPLY AIR TEMPERING

Demand Controlled Ventilation

(standalone mode) . . . . . . . . . . . . . . . . . . . . . . . . .28

Demand Limit (standalone mode)   . . . . . . . . . . . . . .28
Unoccupied Free Cooling (standalone mode)   . . . .28
Unoccupied Fan Cycling (standalone mode)  . . . . .28
Fire Shutdown (standalone mode)  . . . . . . . . . . . . . .28
Compressor Safety (standalone mode)  . . . . . . . . . .29

48/50LCB07-26

with VAV-RTU Open Controller

1
2
3
...
»

Summary of Contents for 48LCB07

Page 1: ...FIGURATION INPUTS SERVICE CONFIGURATION LINKAGE BASED OPERATION 22 Occupancy 22 Indoor Supply Fan 22 AUTO CONTINUOUS ALWAYS ON FAN OFF DELAY INDOOR SUPPLY FAN STATUS Cooling 22 Supply Fan 22 Economizer 23 Enthalpy Control 23 Space Air Quality 23 Power Exhaust 23 Heating 23 MORNING WARM UP OCCUPIED HEATING UNOCCUPIED HEATING Supply Air Tempering 24 Demand Controlled Ventilation 24 Demand Limit 24 U...

Page 2: ...y cause personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses and wor...

Page 3: ...y field installable The VAV RTU Open controller requires connection to the building zoning VAV system All field control wiring that connects to the VAV RTU Open must be routed through the raceway built into the cor ner post of the unit or secured to the unit control box with electri cal conduit The unit raceway provides the UL required clearance between high and low voltage wiring Pass the control...

Page 4: ...4 Fig 2 VAV RTU Open Control Module ...

Page 5: ...ld Ground 24V ac Rnet Sense 12V Rnet Gnd Power for B O s BUS HEAT1 BT485 VAV Zone Single Duct OPN VAVB1 High Low Flow with filter R 0 1 3 4 5 2 7 8 9 6 0 1 3 4 5 2 7 8 9 6 HWV ACT Gnd Analog Output Gnd T55 Opt RH CO2 Gnd SAT Gnd REMOTE n a Gnd Rnet Rnet 12V R n e t BACnet Power On 4 3 2 1 Batt CR2032 10 s 1 s Thermistor T55 Opt RH CO2 Factory Defaults Rnet MSTP Outputs Class 2 24V Max 1AMax Conduc...

Page 6: ...10 Binary Input 5 Enthalpy Status enthalpy_status BI 24 VAC J2 6 and 7 Binary Input 8 Zone Temperature n a n a J13 1 4 Rnet CONFIGURABLE INPUTS 4 Indoor Air CO2 iaq AI 4 20 mA J4 2 and 3 Analog Input 2 Outdoor Air CO2 oaq AI 4 20 mA Space Relative Humidity space_rh AI 4 20 mA Supply Fan Status 2 sfan_status BI 24 VAC J5 1 and 2 or J5 3 and 4 J5 5 and 6 or J5 7 and 8 3 Binary Input 3 5 8 or 9 excep...

Page 7: ...er to VAV zoning controller Duct relative humidity 33ZCSENDRH 02 Smoke Detectors CRSMKSEN002A00 CRSMKKIT002A00 Fan and or Filter Status CRSTATUS001A00 CRSTATUS005A00 User Interfaces Field Assistant USB TKIT required Wall mounted Equipment Touch Wall mounted System Touch Install Analog Sensors SUPPLYAIR SENSOR SAT The factory supplies the discharge supply air sensor with the unit and is pre wired O...

Page 8: ...8 Fig 5 VAV RTU Open Control Wiring Diagram 48LC B07 ...

Page 9: ...9 Fig 6 VAV RTU Open Control Wiring Diagram 48LC B08 12 ...

Page 10: ...10 Fig 7 VAV RTU Open Control Wiring Diagram 48LC B14 26 ...

Page 11: ...11 Fig 8 VAV RTU Open Control Wiring Diagram 50LC B07 ...

Page 12: ...12 Fig 9 VAV RTU Open Control Wiring Diagram 50LC B08 12 ...

Page 13: ...13 Fig 10 VAV RTU Open Control Wiring Diagram 50LC B14 26 ...

Page 14: ...the instructions supplied with the CO2 sensor for electrical require ments and terminal locations VAV RTU Open configurations must be changed after adding a CO2 sensor See below and Fig 5 10 for typical CO2 sensor wiring J4 2 or J4 5 4 20mA signal input J4 3 or J4 6 signal common NOTE The factory used J4 2 and 3 for CO2 IAQ sensor inputs RELATIVE HUMIDITY SENSORS SPACE OR DUCT MOUNTED The accessor...

Page 15: ...board ISC UNIT SHUTDOWN 24v OUT 24 VAC source ISC UNIT SHUTDOWN Smoke Alarm Signal input to VAV RTU Open NOTE Input 5 can also be wired into J5 3 FILTER STATUS The filter status accessory is a field installed accessory This ac cessory detects plugged air filters When installing this accessory the unit must have a free input input 3 5 8 or 9 One of the ded icated functions Fire shutdown Enthalpy or...

Page 16: ...a wall mounted interface used to connect to the VAV RTU Open or VAV Zone to access the control information read sensor values and maintenance This is an accessory interface that does not come with the VAV RTU Open controller You wire the System Touch to the VAV RTU Open or VAV Zone BACnet MS TP network wiring connection There are 2 password protected levels in the display User and Admin See the Eq...

Page 17: ...rformed with Test and Balance software for system available from your local Carrier office The USB adapter and cable USB L will also be required Additional Installation Inspection Inspect the field installed accessories for proper installation mak ing note of which ones do or do not require configuration changes Inspect the VAV RTU Open Alarms for initial insight to any po tential issues See troub...

Page 18: ... con trols the unit s supply fan VFD speed NOTE Service Test Mode does not timeout Be sure to turn off test mode or cycle power to the RTU to return to normal operation Configuration The VAV RTU Open controller s configuration points effect the unit s inputs and operation Review and understand the meaning and purpose of each configuration point before changing it from the factory default value Use...

Page 19: ...n Pos The minimum outdoor air damper position maintained during oc cupied periods when the fan is running at the minimum VFD speed Range 0 to 100 Default 33 DCV Max Vent Damper Pos The maximum outdoor air damper position allowed while DCV is active Range 0 to 75 open Default 50 open Static Pressure Reset Enable Enables Static Pressure setpoint reset based on air terminal damp er position received ...

Page 20: ...ormally Open N O or a Normally Closed N C switch Input 3 is factory wired to pin J1 2 Field accessories can be wired to its parallel pin J5 5 You must also set Input 3 Switch Configuration Software Default No Function Input 5 This input is a discrete input and can be configured to be one of four different functions No Function Fire Shutdown Fan Status and Filter Status This input can also be confi...

Page 21: ...ault Disable Indoor CO2 Sensor Value min ma The CO2 value that corresponds to a 4mA input at the appropriate input channel Range 0 to 9999 ppm Default 0 ppm Indoor CO2 Sensor Value max ma The CO2 value that corresponds to a 20mA input at the appropri ate input channel Range 0 to 9999 ppm Default 2000 ppm Outdoor CO2 Sensor Value min ma The CO2 value that corresponds to a 4mA input at the appropria...

Page 22: ...e specific cooling sequence The VAV RTU Open controls 3 stages of mechanical cooling The number of stages is not configurable The following conditions must be true for the cooling algorithm to operate Cooling is required If occupied the space temperature is occupied cooling setpoint if reset is disabled or space tem perature occupied heating setpoint 1Δ F 0 5Δ C if re set is enabled If unoccupied ...

Page 23: ...le to be used than the return air and is available for economizer cool ing If no enthalpy switch is configured a network point Object Name oae is available This point is displayed in the i Vu appli cation and Equipment Touch as Enthalpy BACnet The sequence of operation for economizer cooling is the same with or without an enthalpy switch except that an enthalpy switch imposes one more validation o...

Page 24: ...con ditions must be true for the supply air tempering algorithm to op erate The SA Tempering is set to Enable The indoor fan is on The System Mode is Fan Only or IAQ Override The Outdoor Air Temperature Minimum Cooling SAT Heat type is gas or electric and Number Of Heat Stages 0 If the above are true the VAV RTU Open will monitor the SAT sensor value and operate the first stage of heat to temper t...

Page 25: ...utral SAT without heating or cooling Cooling Air source fan is on and cooling is provided by economizer and mechanical cooling Heating Air source fan is on and heating is provided gas or electric Unocc Free Cooling Air source fan is on with the econo mizer providing cooling while unoccupied OPERATION STANDALONE MODE Occupied and Unoccupied Setpoints stand alone mode In standalone applications with...

Page 26: ...ompressor output During compressor operation the VAV RTU Open will reduce the number of active stages to only one if the rooftop supply air tem perature falls below the Supply Air Setpoint During mechanical cooling if the SAT falls below the configured Minimum Cooling SAT value of 45 F 7 2 C the economizer will modulate more open to maintain the minimum SAT During integrated cooling if the SAT fal...

Page 27: ...e Space AQ algorithm calculates a minimum position value us ing a PID loop The CO2 minimum damper position is then com pared against the Vent Dmpr Pos DCV Min Pos setpoint and the greatest value becomes the minimum damper position utilized for the economizer When the minimum economizer position is being reset by the Space AQ algorithm the System Mode displays IAQ Override The maximum amount the ec...

Page 28: ...rue the VAV RTU Open will monitor the IAQ sensor value and the OAQ sensor value if the option is provided It will compare those values to the IAQ setpoint and then calculate the required minimum economizer position as required If that cal culated value is greater than the configured DCV Max Vent Damper Pos the value is clamped to that maximum limit If the DCV damper position is less than the calcu...

Page 29: ... When the VAV RTU Open board is powered up the battery is not being used If power is lost the battery backs up the time clock REPLACING THE VAV RTU OPEN BATTERY To determine when to replace the battery remove and measure the voltage If the voltage is below 2 9 volts replace the battery 1 Remove the battery from the controller making note of the battery s polarity 2 Insert the new battery matching ...

Page 30: ...rnating with Run LED Ten second recovery period after brownout 14 flashes per second 14 flashes per second alternating with Run LED Brownout On On Failure Try the following solutions Turn the VAV RTU Open off then on Format the VAV RTU Open Download memory to the VAV RTU Open Replace the VAV RTU Open Table 4 VAV RTU Open Alarms POINT NAME ACTION TAKEN BY CONTROL RESET METHOD PROBABLE CAUSE Safety ...

Page 31: ...mbient DX cooling lockout disabled Automatic Failure to receive valid local or network value for Outdoor Air Temperature Space Relative Humidity Sensor Dehumidification disabled Automatic Sensor reading is out of range Bad sensor bad wiring failure to receive Network or Linkage RH value or sensor configured incorrectly Indoor Air Quality Sensor No IAQ Operation Automatic Sensor reading is out of r...

Page 32: ...is disabled until the fault condition is corrected OAQ SENSOR This alarm indicates the mA input at the associated channel falls below 3 5 mA or rises above 21 mA or the Network value for space RH is no longer being received Cooling heating and sup ply fan operation continues However the controller s IAQ control function uses 400ppm as the fixed outdoor air CO2 level until the fault condition is co...

Page 33: ... this function is unavailable if the Service Configuration Heat Stages value is not set to Two Stages FILTER This alarm indicates the accumulated runtime exceeds the unit configuration Filter Service Alarm Timer value when not set to 0 This alarm is most commonly used to indicate a filter replace ment is due Reset the filter service runtime accumulator by setting the maintenance point Reset Filter...

Page 34: ...igh OAT when the current perfor mance data was last reset PREVIOUS LOW OAT The value of the Recorded Low OAT when the current perfor mance data was last reset Third Party Networking Third party communication and networking troubleshooting should be done by or with assistance from the front end third party technician A Module Status Report Modstat can be run from Field Assistance or Equipment Touch...

Page 35: ...ide 3 2 1 Supply Fan Status1 Off Running 3 2 1 Static Pressure 0 2 5 wc 3 2 1 Supply Fan VFD 0 100 3 2 1 Supply Air Temperature Prime Variable 56 to 245 F 3 2 1 Return Air Temperature 56 to 245 F 3 2 1 Space Temperature2 56 to 245 F 3 2 1 Controlling Temperature 56 to 245 F 3 2 1 Outdoor Air Temperature 56 to 245 F 3 2 1 Enthalpy Status High Low 3 2 1 Space Relative Humidity3 0 100 3 2 1 Indoor Ai...

Page 36: ...atic Pressure Reset Enable Disabled Enabled Enabled 3 Maximum Damper Position 0 100 Open 80 3 Minimum Damper Position 0 100 Open 50 3 Maximum Reset 0 00 to 2 00 wc 0 25 3 SP Reset Demand Level 1 Not Active 2 Cool Dmd Lvl 1 3 Cool Dmd Lvl 2 4 Cool Dmd Lvl 3 Not Active 3 Supply Fan Service Alarm Timer 0 9999 hr 600 3 Comp 1 Service Alarm Timer 0 9999 hr 0 3 Comp 2 Service Alarm Timer 0 9999 hr 0 3 F...

Page 37: ...Normally Closed NO 3 Input 9 Function9 1 No Function 2 Humidistat7 3 Fan Status 4 Filter Status 5 Remote Occupancy7 6 Door Contact7 7 IGC Override No Function 3 Input 9 Switch Configuration8 9 NO Normally Open NC Normally Closed NO 3 ZS Sensor Binder Alarm ALARM Normal 3 ZS Space Temp F 3 ZS Space Humidity rh 3 ZS Space CO2 ppm SENSOR CALIBRATION Property Pages Configuration Unit Configuration Sen...

Page 38: ...on 3 Occupied High RH Alarm Limit 0 100 RH 70 Properties Control Program Configuration Alarm Configuration 3 Alarm Delay min RH 0 30 min 5 3 Unoccupied High RH Alarm Limit 0 100 rh 100 3 Low RH Alarm Limit 0 100 rh 0 IAQ VENTILATION ALARM Property Pages Configuration Alarm Configuration 3 Occ High CO2 Alarm Limit 0 9999 ppm 1200 Properties Control Program Configuration Alarm Configuration SERVICE ...

Page 39: ...e Enable Disable 3 Compressor 2 Test Disable Enable Disable 3 Heat 1 Test Disable Enable Disable 3 Heat 2 Test Disable Enable Disable 3 Heat Interlock Relay Test Disable Enable Disable 3 Power Exhaust Test Disable Enable Disable 3 Economizer Test 0 100 Open 0 3 VFD Speed Test 0 100 0 MAINTENANCE UNIT Property Pages Maintenance Unit 3 Occupancy Status Occupied Unoccupied Properties Control Program ...

Page 40: ...8 Linkage ZS Sensor 3 Outdoor Air Temperature Source 1 N A 2 Local 3 Network 4 Linkage 5 Locked Value 6 Linkage Local 7 ZS Sensor 8 Linkage ZS Sensor 3 OAQ Source 1 N A 2 Local 3 Network 4 Linkage 5 Locked Value 6 Linkage Local 7 ZS Sensor 8 Linkage ZS Sensor 3 System Cooling Demand Level 0 3 3 System Heating Demand Level 0 3 3 System Status 1 OA Econ unsuitable 2 Free Cooling Avail 3 Economizer E...

Page 41: ...or 1 Runtime xxxxx hr Compressor 2 Runtime xxxxx hr Heat 1 Runtime xxxxx hr Heat 2 Runtime xxxxx hr Filter Runtime xxxxx hr CURRENT PERFORMANCE DATA Property Pages Performance 3 2 1 Equipment Runtime xxxxx hr Properties Control Program Performance Current Performance Data 3 2 1 Economizer Utilization 0 100 3 2 1 DCV Utilization 0 100 3 2 1 Unocc Free Cool Utilization 0 100 3 2 1 Part Load Cooling ...

Page 42: ... 3 2 1 Space Relative Humidity Sensor Normal Alarm 3 2 1 Filter Clean Dirty 3 2 1 Local OAT Sensor Normal Alarm 3 2 1 Outdoor Air Temp Sensor Normal Alarm 3 2 1 Economizer Operation Normal Alarm 3 2 1 Economizer 1 Normal 2 Failed to Fully Open 3 Failed to Open 4 Failed to Close 5 Stuck Open 3 2 1 Switch Configuration Normal Alarm 3 2 1 Analog Input Configuration Normal Alarm 3 2 1 Supply Fan Runti...

Page 43: ... to J13 11 This setpoint will only be shown if Service Configuration SA Tempering is set to Enable 12 Compressor Stages default is Three Stages and cannot be changed 13 Economizer Exist default is Yes and cannot be changed 14 This configuration will only be shown if Input Configuration Input 2 Function is set to 2 IAQ Sensor 15 This configuration will only be shown if Input Configuration Input 2 F...

Page 44: ...ve 3 Linkage Zone Type Slave VVT Master VAV Master Slave 3 Inhibit Heating Call from this zone No Yes No N A Active Heating Caller No Yes 3 Inhibit Cooling Call from this zone No Yes No N A Active Cooling Caller No Yes 3 Linkage RH Type Avg Max Avg 3 Linkage IAQ Type Avg Max Avg N A Air Source Mode Off Warmup Heat Cool Freecool Pressure Evac Vent N A Air Source Supply Air Temp F N A Air Source Sta...

Page 45: ...he primary air source is cooling refer to numbers on flow diagram 1 Should the zone temperature fall below the occupied heating set point the Occupied Heating mode is in effect at 4 2 At 5 the flow is increased to the user defined reheat airflow set point The on off hot water valve will open to provide heating and satisfy the load requirements The valve is controlled so as not to exceed the maximu...

Page 46: ...y air temperature sensor is installed to detect the air source is operating in the Cooling mode the control will monitor a relative humidity rh sensor optional and determine if the zone s rh is above the humidity set point If the rh level is above the rh set point the airflow control point is increased to displace the humid air in the space with air from the primary air source which has a lower de...

Page 47: ...RFORMANCE O R A C C E P TA N C E O F CONTRACT 3 5 E D 4 2 4 3 PRODUCT INFORMATION IS SUBJECT TO CHANGE WITHOUT NOTICE VARIABLE AIR VOLUME 35 ED 3 OF 3 Notes 1 Verify actuator bushing is in the full CCW position Rotate damper CCW to the fully closed position Mount actuator over damper shaft and secure to shaft enclosure Engage clutch and rotate damper CW to the fully open position 2 CAUTION Electri...

Page 48: ...uous Occupied Exhaust R W Inactive 0 occ_exh BV 9002 Controlling Temperature R F ctrl_temp AV 2035 Cooling Lockout Temperature R W F 45 oat_cl_lockout AV 9002 Ctrl Temp Sensor Failure R ctrl_temp_fail BV 7067 Ctrl Temp Source R 1 Sensor Failure 2 Space 3 Return Air 4 Linkage Zone 5 Locked Value ctrl_temp_src MSV 2013 Current Static Pressure Setpoint R in H2O sa_static_stpt_value AV 3031 DCV Contro...

Page 49: ...oint R F htg_cntl_pt AV 2034 Heating Lockout Temperature R W F 65 oat_ht_lockout AV 9003 HPCO Shutdown R sp_alarm BV 7060 Humidistat Input Status R humstat_status BV 1006 IGC Override R igcovr_status BV 1022 Indoor Air Quality R iaq_alarm BV 7005 Indoor Air Quality CO2 ppm R ppm iaq AV 1009 Indoor Air Quality Sensor R iaq_sensor_fail BV 7039 Input 2 Function R W 1 ai2_function MSV 81002 Input 3 Fu...

Page 50: ...e 0 rh_enable BV 1025 SA Tempering R W Inactive 0 sa_tempering_en BV 83016 SA Tempering Setpoint R W F 55 tempering_stpt AV 3032 Safety Chain R safety_alarm BV 7024 Safety Chain Feedback R safety_status BV 1009 SAT Reset Source R sat_reset_source MSV 2016 SAT Sensor R F ai_6 AI 1006 Service Test R W Inactive 0 test_enable BV 81000 Setpoint R W F occ_cl_stpt AV 3001 Setpoint R W F occ_ht_stpt AV 30...

Page 51: ... Free Cooling 10 Fire Shutdown 11 IAQ Override 12 Pre Occ Purge 13 IGC Override run_status MSV 2002 System OAT Master R F mstr_oa_temp AV 80001 System Outdoor Air Temperature R W F 999 system_oat AV 1901 System Outdoor AQ R W ppm 999 system_oaq AV 1908 System Return Air Temperature R W F 999 system_rat AV 1920 System Space AQ R W ppm 999 system_iaq AV 1903 System Space RH R W rh 999 system_rh AV 1...

Page 52: ... is 5 minutes Displays average space temperature optional static pressure or SAT current controlling setpoints Linkage Status The color of the Linkage Status icon changes with the current linkage condition Gray no linkage condition Green linkage OK condition Red linkage Alarm condition NOTE The Linkage Status icon is displayed on the Standby Home and Snapshot screens mode occupancy OAT outdoor air...

Page 53: ... HIDE CONFIGURATION Fig F Show Hide Configuration Screen You can configure Show Hide conditions for values on the following screens Standby Home Snapshot NOTE Only shown when logged in with the Factory or Admin password See note above ALARMS SCREEN Fig G Alarms Screen Displays the current status for each alarm Tap on the right to navigate to the help screen for the alarm Tap or to navigate to the ...

Page 54: ...54 ALARM HISTORY SCREEN Fig I Alarms Screen Tap or to navigate to the Alarms screen to navigate this screen APPENDIX E EQUIPMENT SYSTEM TOUCH NAVIGATION SCREENS CONT ...

Page 55: ......

Page 56: ...ontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53480277 01 Printed in U S A Form 48 50LCB 7 26 01T Rev A Pg 56 3 2020 Replaces 48 50LCB 7 26 01T 2020 Carrier Corporation ...

Page 57: ...Low Fan Econ Min Pos 0 100 Open 33 Economizer Purge Min Pos 0 100 Open 40 DCV Max Vent Damper Pos 0 75 Open 50 Static Pressure Reset Enable Disabled Enabled Enabled Maximum Damper Position 0 100 Open 80 Minimum Damper Position 0 100 Open 50 Maximum Reset 0 00 to 2 00 wc 0 25 SP Reset Demand Level 1 Not Active 2 Cool Dmd Lvl 1 3 Cool Dmd Lvl 2 4 Cool Dmd Lvl 3 Not Active Supply Fan Service Alarm Ti...

Page 58: ...50 wc Static Pressure Calibration 0 2 0 20 wc 0 Supply Air Temperature 56 245 F Supply Air Temp Calibration 9 9 10 F 0 Return Air Temperature 56 245 F Return Air Temp Calibration 9 9 10 F 0 Outdoor Air Temperature 56 245 F Outdoor Air Temp Calibration 9 9 10 F 0 SETPOINT Supply Air Setpoint 45 75 F 53 Static Pressure Setpoint 0 25 2 25 wc 0 5 SA Tempering Setpoint8 40 75 F 48 Optimal Start Type Te...

Page 59: ...9 0 System Cool Demand Level 0 3 0 System Heat Demand Level 0 3 0 System Outdoor Air Temperature N A 999 0 System Outdoor AQ N A 999 0 System Fire Smoke Off On Off Network Heat Interlock Off On Off SERVICE TEST Service Test Mode Disable Enable Service Test Disable Enable Disable Fan Test Disable Enable Disable Compressor 1 Test Disable Enable Disable Compressor 2 Test Disable Enable Disable Heat 1...

Page 60: ...ion Input 2 Function is set to 2 IAQ Sensor and there is a valid Indoor Air Quality CO2 Sensor value on J4 2 3 7 This input will only be shown if Input Configuration Input 2 Function is set to 2 OAQ Sensor there is a valid Indoor Air Quality CO2 Sensor value on J4 2 3 and Service Configuration DCV Control is set to Enable at one of the VAV Zone controllers which has Ser vice Configuration Hardwire...

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