Elta T210 Dokumentacja Strona 1

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

10TONEXTPAGEFig. 4 — Typical Staged Gas Heat Wiring Schematic (Size 060 Unit Shown)

100Table 60 — Fan Performance — 50AW,AY020,025 UnitsLegend and Notes on page 102.Table 61 — Fan Performance — 50AW,AY027,030 UnitsLegend and Notes on

101Table 62 — Fan Performance — 50AW,AY035 UnitsLegend and Notes on page 102.Table 63 — Fan Performance — 50AW,AY040 UnitsLegend and Notes on page 102

102Table 64 — Fan Performance — 50AW,AY050 UnitsTable 65 — Fan Performance — 50AW,AY060 UnitsLEGEND AND NOTES FOR TABLES 42-65.LEGENDBhp — Brake Horse

103Table 66 — Motor LimitationsLEGEND NOTES:1. Extensive motor and electrical testing on the Carrier units hasensured that the full horsepower range o

104SERVICEService Access —All unit components can be reachedthrough clearly labelled hinged access doors. These doors arenot equipped with tiebacks, s

105NOTES:1. Torque set screws on blower wheel to 70 in. lb ± 2in.lb.2. Torque set screw on propeller fan to 15 in. lb ± 2in.lb.3. Dimensions are in in

106Evaporator Fan Coupling Assembly — If the cou-pling has been removed for other blower assembly componentrepair or replacement, it is critical that

107LOW CHARGE COOLING — Connect the gage set and atemperature measuring device to the liquid line. Ensure that allcondenser fans are operating. It may

108TROUBLESHOOTINGThe Scrolling Marquee display shows the actual operatingconditions of the unit while it is running. If there are alarms orthere have

109Table 68 — Cooling Service AnalysisLEGENDPROBLEM CAUSE REMEDYCompressor and Fan Will NotStart.Power failure. Call power company.Fuse blown or circu

11FROMPREVIOUSPAGEFig. 4 — Typical Staged Gas Heat Wiring Schematic (Size 060 Unit Shown) (cont)

110Table69—GasHeatingServiceAnalysisTable 70 — Electric Heat Service AnalysisPROBLEM CAUSE REMEDYBurners Will Not Ignite. Active alarm. Check active a

111Fig. 38 — IGC Service Analysis LogicLEGENDNOTE: Thermostat Fan Switch in the“AUTO” position.IDM — Induced-Draft MotorIGC — Integrated Gas Unit Cont

112Table 71 — 5K Thermistor Temperature vs. Resistance (SCT Sensors) (English)TEMP(F)VOLTAGEDROP(V)RESISTANCE(Ohms)–25 3.699 98,010–24 3.689 94,707–23

113Table 72 — 5K Thermistor Temperature vs. Resistance (SCT Sensors) (SI)TEMP(C)VOLTAGEDROP(V)RESISTANCE(Ohms)–32 3.705 100,260–31 3.687 94,165–30 3.6

114Table 73 — 10K Thermistor vs. Resistance (T55, T56, OAT, RAT, EDT, LAT Sensors) (English)TEMP(F)VOLTAGEDROP (V)RESISTANCE(Ohms)–25 4.758 196,453–24

115Table 74 — 10K Thermistor vs. Resistance (T55, T56, OAT, RAT, EDT, LAT Sensors) (SI)Table 75 — Suction Pressure Transducer Pressure (PSIG) vs. Volt

116APPENDIX A — CCN TABLESAll A series units with ComtfortLink™ Controls have a portfor interface with the Carrier Comfort Network (CCN). OnTB3 there

117APPENDIX A — CCN POINTSBLDGPRES — POINTSDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQUEE TABLES

118APPENDIX A — CCN POINTS (cont)CIRCUITA — POINTSDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQUEE

119APPENDIX A — CCN POINTS (cont)ENTHALPY — POINTSDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQUEE

12Fig. 5 — Typical Electric Heat Control Schematic — 50AJ,AK,AW,AY (Size 060 Shown)

120APPENDIX A — CCN POINTS (cont)SENSWORK — POINTS*Not used.DESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLL

121APPENDIX A — CCN POINTS (cont)STATUS2 — POINTSDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQUEE

122APPENDIX A — CCN POINTS (cont)ALARMDEF — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMAR

123APPENDIX A — CCN POINTS (cont)CONFIG — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQU

124APPENDIX A — CCN POINTS (cont)DMD_LIM — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQ

125APPENDIX A — CCN POINTS (cont)HOLIDAY — CONTROLLER (cont)DESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLL

126APPENDIX A — CCN POINTS (cont)HOLIDAY — CONTROLLER (cont)DESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLL

127APPENDIX A — CCN POINTS (cont)OCCDEFCS — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMAR

128APPENDIX A — CCN POINTS (cont)SET_PNT — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQ

129APPENDIX A — CCN POINTS (cont)UNIT — CONTROLLERDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQUEE

13TONEXTPAGEFig. 6 — Typical Power Schematic (Size 060 Unit Shown)

130APPENDIX A — CCN POINTS (cont)DISLOGIC — DIAGNOSTICSDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMA

131APPENDIX A — CCN POINTS (cont)AIRQUALT — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMA

132APPENDIX A — CCN POINTS (cont)ALARMS — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQ

133APPENDIX A — CCN POINTS (cont)COMPWORK — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMA

134APPENDIX A — CCN POINTS (cont)ECONDIAG — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMA

135APPENDIX A — CCN POINTS (cont)ECONMIN — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMAR

136APPENDIX A — CCN POINTS (cont)INPUTS — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQ

137APPENDIX A — CCN POINTS (cont)MODES — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMARQU

138APPENDIX A — CCN POINTS (cont)OUTPUTS — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMAR

139APPENDIX A — CCN POINTS (cont)TESTOUTS — MAINTENANCEDESCRIPTIONCCN POINTNAMEEXPANDED NAMEREAD/WRITEPROPERTIESDISPLAY UNITS DISPLAY RANGESCROLLINGMA

14FROMPREVIOUSPAGEFig. 6 — Typical Power Schematic (Size 060 Unit Shown) (cont)

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

CL-2CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-3CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-4CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-5CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-6CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-7CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

CL-8CONTROLS SETUP CHECKLIST AND CONFIGURATION LOG (cont)RECORD ALL SETPOINTS AND CONFIGURATIONS LISTED BELOW FOR FUTURE REFERENCESUBMODESUBSUBMODEITE

15Fig. 7 — Controls Option Wiring Schematic

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

16Fig. 8 — Small Chassis Component Location (Size 020-035 Units)

17Fig. 9 — Large Chassis Component Locations (Size 040-060 Units)

18LEGEND AND NOTES FOR FIG. 1-9LEGENDNOTES:1. Factory wiring is in accordance with the National ElectricalCodes. Any field modifications or additions

19CEPL130346-01STATUSLENJ1J2J4J3J5J6J7J8J9J10CCNRED LED - STATUS GREEN LED -LEN (LOCAL EQUIPMENT NETWORK)YELLOW LED -CCN (CARRIER COMFORT NETWORK)INST

2CONTENTS (cont)PageTROUBLESHOOTING ...108-115Complete Unit Stoppage...108Single Circuit Stoppage ...

20Table 2 — MBB Channel AssignmentsLEGENDYAC — Gas Heat Unit (48A)Table 3 — ECB1 Channel AssignmentsPOINT NAME POINT DESCRIPTION TYPE OF I/OI/O POINTN

21Table 4 — ECB2 Channel AssignmentsPOINT NAME POINT DESCRIPTION I/O TYPE I/O POINT NAMECONNECTORPIN NO.INPUTS—NotUsed DI1 J4, 1-2—NotUsed DI2 J4, 3-4

22Table 5 — SCB Channel AssignmentsPOINT NAME POINT DESCRIPTION I/O TYPE I/O POINT NAMECONNECTORPIN NO.INPUTS— Not Used AN1 J5, 1-3— Not Used AN2 J5,

23Table 6 — CEM Channel AssignmentsTable 7 — IGC Board Inputs and OutputsFIELD CONNECTION TERMINAL STRIPS — Field con-nection terminal strips are loca

24TYPICAL FACTORY WIRINGOPTIONAL FIELD WIRINGREVCCVIAVIBPPIIFMFRRSTS1 S2S3CCOUT P24LEGENDCCCCP24IVISOLATOR+-P24RESRRFRS1 S2S3 S4 RCHP24LOW LOWFLAFLBFL

25Table 8 — VFD (S9 Inverter) Terminal Designations Table 9 — VFD (E3 Inverter) Terminal DesignationsTERMINAL FUNCTIONL1 (R)L2(S)L3(T)Three-Phase Main

26MOTORMASTER® V CONTROL — For operation below32 F when an economizer is not used, the units can be equippedwith an accessory Motormaster V control, w

27Table 10 — Field Connection Terminal StripsTERMINALBOARDTERMINALNO.DESCRIPTION TYPETB-1 - POWER CONNECTION OR DISCONNECT (in Main Control Box)TB111

28CCN WEBORNETWORKOPTIONSREMOTECCN SITETELINKNON CARRIERHVACEQUIPMENTBRIDGE(RECOM-MENDED)CIDROOFTOPUNITCOMFORTID AIRTERMINALCIDCIDAIR DISTRIBUTION-DIG

29CONTROL FUNCTIONSOverview —The ComfortLink™ controls and softwarehave a large number of features that will meet the requirementsof broad range of ap

3Configurable Features — The unit and the controlsare capable of a large range of configurable features as standardand also support additional feature

30Scrolling Marquee Display Operation — The keyto the setup, operation, and diagnostics for the 48/50A seriesComfortLink™ Control System is the Scroll

31Table 11 — Scrolling Marquee Menu Display StructureRUNSTATUSSERVICETESTTEMPERA-TURESPRESSURESSETPOINTSINPUTS OUTPUTSCONFIGURA-TIONTIMECLOCKOPERATING

32Table 12 — Run Status Display MenuNOTE:LAT = EDT for units operating in cool and heat has been off for several minutes.LAT = Average of LAT.1, LAT.2

33Table 12 — Run Status Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POINTNAMEEnglish Metric

34Table13—ServiceTestDisplayMenu*Must be used on VAV units with electric or gas heat.SUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COM

35Table 14 — Temperature Display MenuNOTE:LAT = EDT for units operating in cool and heat has been off for several minutes.LAT = Average of LAT.1, LAT.

36Table15—PressureDisplayMenuSUBMODEKEYPADENTRYITEM DISPLAYUNITSFACTORYDEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POINTNAMEEnglish Metric

37Table16—SetpointDisplayMenuSUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POINTNAMEEnglish Metr

38Table 17 — Input Display MenuSUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POINTNAMEEnglish MetricSTATSTATS Th

39Table 17 — Input Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECNN POINTNAMEEnglish SIAQ.IN AQ.

4Variable Air Volume (VAV) Features — The 48/50AK,AY units are designed to operate in VAV applications. Asstandard, the units include a supply fan VFD

40Table 18 — Output Display MenuSUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECNN POINTNAMEEnglish MetricFANS Fan Ou

41Table18—OutputDisplayMenuSUBMODEKEYPADENTRYITEM DISPLAYUNITSRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECNN POINTNAMEEnglish MetricHEATHeat Outputs

42Table 19 — Configuration Display Menu*Size default value is dependent on the size of the unit.SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRAN

43Table 19 — Configuration Display Menu (cont)*Size default value is dependent on the size of the unit.SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEF

44Table 19 — Configuration Display Menu (cont)*Size default value is dependent on the size of the unit.SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEF

45Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

46Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

47Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

48Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

49Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

5SCROLLING MARQUEE — This device is the keypad in-terface used to access the control information, read sensorvalues, and test the unit. The Scrolling

50Table 19 — Configuration Display Menu (cont)SUBMODEKEYPADENTRYITEM DISPLAYUNITS FACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN POIN

51Table 20 — Timeclock Display MenuSUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TABLECCN P

52Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TAB

53Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTO RY DEFAU LTRANGEENGLISHITEM EXPANSION COMMENTS CCN T

54Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TAB

55Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTO RY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TA

56Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TAB

57Table 20 — Timeclock Display Menu (cont)SUBMODE SUBMODEKEYPADENTRYITEM DISPLAYUNITSENGLISHFACTORY DEFAULTRANGEENGLISHITEM EXPANSION COMMENTS CCN TAB

58Table 21 — Operating Mode Display MenuTable 22 — Alarm MenuSUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTSMODEMODE MODE Modes Controlling Uni

59Modes — The system mode is the highest level mode anddefines three possible states, OFF, RUN and TEST. Belowthe RUN mode is the HVAC mode, which inc

6Fig. 1 — Typical Main Control Box Wiring Schematic

60General Heating and Cooling Run Control — Fornormal comfort conditioning there are three basic modes.These are:• HEAT — Air is warmed by electric or

61The following inputs will be used by this routine:Y1 — Thermostat Cooling Stage 1 input. Status can bechecked in the INPUT-STAT submenu using the Y1

62High Cool cannot occur until there has been a minimum of8 minutes of Low Cool operation. High Cool cannot occur aslong as the Low Cool mode is causi

63The set points that are used for tempering are listed below.• Tempering in Cool Supply Air Set Point (SASP) (T.CL) —This is used when the unit is in

64balance tight control over the EDT, while concurrentlyminimizing compressor cycles. The basic control variable iscalled Load Factor (LOD.F). It is e

65Table 25 — Staging Sequence Without Hot Gas Bypass — 48/50AK,AY020-027 and Multi-Stage 48/50AJ,AWTable 26 — Staging Sequence With Hot Gas Bypass — 4

66Compressor Safeties — The 48/50A series units withthe ComfortLink™ Controls include a compressor protectionboard (CSB) that protects the operation o

67Head Pressure Control — The condenser head pres-sure control for the 48/50A series is controlled directly by theComfortLink™ control. The SCT.A and

68The first two staged gas heat outputs are located on theMBB board and outputs 3, 4, 5, and 6 are located on the SCBboard. These outputs are used to

69Table 32 — Staged Gas Heat Control Steps (N.HST = 2)Table 33 — Staged Gas Heat Control Steps (N.HST = 3)Table 34 — Staged Gas Heat Control Steps (N.

7TONEXTPAGEFig. 2 — Auxiliary Control Box Wiring Schematic

70An LED indicator is provided on the IGC to monitor opera-tion. The IGC boards are located in the gas heat section belowthe indoor fans. During norma

71Fig. 24 — Enthalpy Changeover CurvesFig. 25 — Custom Changeover Curve Example

72ECONOMIZER CONTROL TYPE (E.CTL) — The optionsof DIG/POSITION, DIG/COMMAND, and ANALOGCTRL are available. The control should be configured forDIG/COM

73IAQ Control — The ComfortLink™ control has the capa-bility of demand ventilation control using an IAQ sensor. Theindoor air quality (IAQ) is measure

74IAQ DISC.IN FAN CONFIG (IA.IF) — This is used toconfigure the operation of the fan during an IAQ demandcondition. It has the following configuration

75Pre-Occupancy Purge — The control has the optionfor a pre-occupancy purge to clear the space prior to occupan-cy. The feature is enabled by the PRG.

76Table 38 — VFD (E3 Inverter) Configurations*These settings differ from the Toshiba defaults and are required for Carrier applications.DIFF. GAIN SF

77The rooftop unit has the design static pressure set pointprogrammed into the CCN control. This is the maximum setpoint that could ever be achieved u

78BUILDING PRESSURE SENSOR HIGH END (BPHL) —This is used to configure the building pressure value that willcorrespond to a 20 mA signal from the senso

79IAQ DISC. INPUT NORMALLY (IAQ.L) — This is locatedin the CONFIGURATION-SW.LG submenu and is used toconfigure the normally open/closed status of the

8FROMPREVIOUSPAGEFig. 2 — Auxiliary Control Box Wiring Schematic (cont)

80Table 41 — Alert and Alarm CodesALARMORALERTNUMBERDESCRIPTION ACTION TAKEN BY CONTROLRESETMETHODPROBABLE CAUSEA051A051 Circuit A, Compressor 1 Curre

81Table 41 — Alert and Alarm Codes (cont)ALARMORALERTNUMBERDESCRIPTION ACTION TAKEN BY CONTROLRESETMETHODPROBABLE CAUSEA171Loss of communications with

82DIAGNOSTIC ALARM CODES AND POSSIBLECAUSESAlert Codes 51, 52, 55 and 56 (Compressor Safety)—Alertcodes 51, 52, 55, and 56 are for compressors A1, A2,

83configured to use the sensor through the Outside Air RHSensor (RRHS) setting, which is located in theCONFIGURATION-OPTS submenu.Alert Code 82 (Space

84Alert Code 177 (4-20 mA Demand Limit Failure)— Thisalert indicates a problem with the optional remote 4 to 20 mAdemand limit signal (DM.AI) that is

85Alarm Code 406 (Pressurization Emergency Mode)— Unithas been placed in the fire pressurization mode by means of theExternal command for pressurizati

86occurs when the Supply Air temperature sensor (SAT) is out-side the range –40 to 240 F (–40 to 116 C). This alert resets au-tomatically. The cause o

873. The space temperature set points and the supply air setpoints are configured under the SETPOINTS menu. Theheating and cooling set points must be

88PWRM Power Exhaust motors should be set to 1(4 motors) for the 020-050 units and 2(6 motors) for the 060 unitIn the CONFIGURATION-BP submenu set the

89The unit will first determine the mode of operation. If theunit has been configured for space temperature demand, thenthe control will determine (ba

9Fig. 3 — Typical 2 Stage Gas Heat Wiring Schematic (Size 060 Unit Shown)

90Heating, ventilation and air conditioning (HVAC) and otherbuilding equipment being controlled by ComfortLink™, PICs,or Comfort Controller Devices ha

91Table 42 — Fan Performance — 48AJ,AK020,025 UnitsLegend and Notes on page 93.Table 43 — Fan Performance — 48AJ,AK027,030 UnitsLegend and Notes on pa

92Table 44 — Fan Performance — 48AJ,AK035 UnitsLegend and Notes on page 93.Table 45 — Fan Performance — 48AJ,AK040 UnitsLegend and Notes on page 93.48

93Table 46 — Fan Performance — 48AJ,AK050 UnitsTable 47 — Fan Performance — 48AJ,AK060 UnitsLEGEND AND NOTES FOR TABLES 42-65.LEGENDBhp — Brake Horsep

94Table 48 — Fan Performance — 50AJ,AK020,025 UnitsLegend and Notes on page 96.Table 49 — Fan Performance — 50AJ,AK027,030 UnitsLegend and Notes on pa

95Table 50 — Fan Performance — 50AJ,AK035 UnitsLegend and Notes on page 96.Table 51 — Fan Performance — 50AJ,AK020,025 UnitsLegend and Notes on page 9

96Table 52 — Fan Performance — 50AJ,AK050 UnitsTable 53 — Fan Performance — 50AJ,AK060 UnitsLEGEND AND NOTES FOR TABLES 42-65.LEGENDBhp — Brake Horsep

97Table 54 — Fan Performance — 48AW,AY020,025 UnitsLegend and Notes on page 99.Table 55 — Fan Performance — 48AW,AY027,030 UnitsLegend and Notes on pa

98Table 56 — Fan Performance — 48AW,AY035 Units)Legend and Notes on page 99.Table 57 — Fan Performance — 48AW,AY040 UnitsLegend and Notes on page 99.4

99Table 58 — Fan Performance — 48AW,AY050 UnitsTable 59 — Fan Performance — 48AW,AY060 UnitsLEGEND AND NOTES FOR TABLES 42-65.LEGENDBhp — Brake Horsep