Carrier 48/50Z030-105- Manuals

5 Operation — All units are shipped from the factory with the scrolling marquee display, which is located in the main con- trol box. See Fig. 1. In addition, the Comfort Link™ controls also supports the use of the handheld Navigator™ display. Both displays provide the user with an interface to the C...

6 Table 2 — Scrolling Marquee Menu Display Structure RUN STATUS SERVICE TEST TEMPERATURES PRESSURES SETPOINTS INPUTS OUTPUTS CONFIGURATION TIME CLOCK OPERATING MODES ALARMS Auto View of Run Status (VIEW) Econ Run Status (ECON) Cooling Information (COOL) Mode Trip Helper (TRIP) CCN Linkage (LINK) Com...

23 Table 18 — Fan Performance — 48ZG,ZN,ZT,ZW,Z6,Z8 and 50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9075 Units With Airfoil Fan* LEGEND *If calculating static pressure for a 48 Series unit, be sure to add gas heat pressure drop from Table 30C. NOTES:1. Fan performance is based on wet coils and clean 2-in. f...

28 Table 23 — Fan Performance — Standard Capacity Power Exhaust Size 030-050 Units Size 055-155 Units Bhp — Brake Horsepower Table 24 — Fan Performance — Return/Exhaust Fan (48Z6,Z8 and 50Z6,Z7,Z8,Z9075-105 Units) NOTE: The 48Z6,Z8 and 50Z6,Z7,Z8,Z9 units come standard with economizer and exhaust/re...

29 Table 25 — Fan Performance — High-Capacity Power Exhaust (48ZT,ZW075-105 and 50ZT,ZW,ZX,ZZ) LEGEND Bhp — Brake Horsepower AIRFLOW (Cfm) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 14,000 436 3.79 480 4.28 520 4.86 557 5.48 592 6.11 16,00...

31 Table 28 — High-Capacity Power Exhaust Systems Motor Limitations (48ZT,ZW and 50ZT,ZW,ZX,ZZ Units) LEGEND NOTES:1. Extensive motor and electrical testing on the Carrier units has ensured that the full horsepower range of the motor can be utilized with confidence. Using your fanmotors up to the ho...

33 CONTROLS QUICK START The following section will provide a quick user guide to set- ting up and configuring the Z Series units with Comfort Link™ controls. See Basic Control Usage section on page 4 for infor- mation on operating the control. Two-Stage Constant Volume Units withMechanical Thermosta...

36 P ro g r a m m i n g O p e r a t i n g S c h e d u l e s — The Comfort Link™ controls will accommodate up to eight differ- ent schedules (Periods 1 through 8), and each schedule is assigned to the desired days of the week. Each schedule includes an occupied on and off time. As an example, to set ...

37 Table 31 — Service Test ITEM EXPANSION RANGE UNITS POINT WRITE STATUS TEST Service Test Mode ON/OFF MAN_CTRL STOP Local Machine Disable YES/NO UNITSTOP config S.STP Soft Stop Request YES/NO SOFTSTOP forcible FAN.F Supply Fan Request YES/NO SFANFORC forcible INDP TEST INDEPENDENT OUTPUTS → HUM.R H...

39 THIRD PARTY CONTROL Thermostat — The method of control would be through the thermostat inputs: Y1 = first stage cooling Y1 and Y2 = first and second stage cooling W1 = first stage heating W1 and W2 = first and second stage heating G = supply fan Alarm Output — The alarm output (not available when...

41 the control are located at the local displays under Operating Modes . See Table 32. Table 32 — Operating Modes Display Table Currently Occupied ( OCC ) — This variable displays the cur- rent occupied state of the unit.Timed Override in Effect ( T.OVR ) — This variable displays if the state of occ...

42 HVAC Mode — VENT (09) — This is a normal operation mode where no heating or cooling is required and outside air is being delivered to the space to control IAQ levels.HVAC Mode — HIGH COOL (10) — This is a normal cool- ing mode where a high cooling demand is required.HVAC Mode — LOW COOL (11) — Th...

43 System Mode = OFF ? Inputs -> FIRE -> FSD in alarm ? HVAC Mode = OFF (Fire Shutdow n) HVAC Mode = OFF (Disabled) Unit not in f a c to r y test AND fire-sm o k e control m ode is alarm ing? Inputs -> FIRE -> PRES in alarm ? HVAC Mode = OFF (Pressurization) Inputs -> FIRE -> EVAC ...

44 Table 33 — Unit Configuration Fan Mode ( CV.FN ) — The Fan Mode configuration can be used for machine control types ( Configuration → UNIT → C.TYP ) 3, 4, 5, and 6. The Fan Mode variable establishes the operating sequence for the supply fan during occupied periods. When set to 1 (Continuous), the...

45 50 Hertz Unit? ( 50.HZ ) — Some units are designed to run at 50 Hertz instead of 60 Hertz. Make sure this configuration matches the frequency called out by the model number of the unit. This is important as the cooling stage tables are directly determined based on both the SIZE and 50.HZ configur...

46 COOL or a HIGH COOL mode and maintain a low or high cool supply air set point. • C.TYP = 4 (TSTAT – 2 STG) This configuration will force the control to monitor the ther- mostat inputs to make a determination of mode. • C.TYP = 5 (SPT – MULTI) This configuration will force the control to monitor a...

48 VAV Cool Mode Selection during the Occupied Period ( C.TYP = 1,2 and Operating Modes → MODE → OCC =ON) — There is no difference in the selection of a cooling mode for either VAV-RAT or VAV-SPT in the occupied period. The actual selection of a cool mode, for both control types, is based upon the c...

49 Operating modes are under Operating Modes → MODE . Cool Mode Evaluation Logic — The first thing the control determines is whether the unit is in the occupied mode ( OCC ) or is in the temperature compensated start mode ( T.C.ST ). If the unit is occupied or in temperature compensated start mode, ...

50 COOL MODE DIAGNOSTIC HELP — To quickly deter- mine the current trip points for the cooling modes, the Run Status sub-menu at the local display allows the user to view the calculated start and stop points for both the cooling and heating trip points. The following sub-menu can be found at the loca...

51 Table 40 — Run Status Cool Display SumZ Operation — The SumZ algorithm is an adaptive PID style of control. The PID is programmed within the control and the relative speed of staging can only be influenced by the user through the adjustment of the Z.GN configuration, described in the reference se...

52 MAT Calc Config ( MAT.S ) — This configuration gives the user three options in the processing of the mixed-air tempera- ture (MAT) calculation: • MAT.S = 0 The control will not attempt to learn MAT over time. The control will simply calculate MAT based on the position of the economizer, outside a...

53 Table 41 — Demand Limit Configuration CCN Loadshed Demand Limiting ( DM.L.S = 3) — If the unit has been configured for CCN Loadshed Demand Limiting, then the demand limiting variable ( Run Status → COOL → DEM.L ) is controlled via CCN commands. The relevant configurations for this type of demand ...

54 If the economizer is able to provide free cooling at the start of a cooling session, the mechanical cooling algorithm (SumZ), checks the economizer’s current position ( Run Status → ECON → ECN.P ) and compares it to the economizer’s maximum position ( Configuration → ECON → EC.MX ) – 5%. Once the...

55 Heating Control Type ( HT.CF ) — The heating control types available are selected/configured with this variable. 0 = No Heat 1 = Electric Heat 2 = 2 Stage Gas Heat 3 = Staged Gas Heat 4 = Hydronic Heat Heating Supply Air Set Point ( HT.SP ) — In a low heat mode for either staged gas or hydronic h...

56 Related operating modes are under Operating Modes → MODE . The first thing the control determines is whether the unit is in the occupied mode ( OCC ) or in the temperature compen- sated start mode ( T.C.ST ). If the unit is occupied or in tempera- ture compensated start mode, the occupied heating...

57 Table 45 — Hydronic Heat Configuration Hydronic Heating Control Proportional Gain ( HW.P ) — This configuration is the proportional term for the PID which runs in the HVAC mode LOW HEAT.Hydronic Heating Control Integral Gain ( HW.I ) — This configuration is the integral term for the PID which run...

58 Table 46 — Staged Gas Configuration *Some configurations are model number dependent. Heat Control Derv. Gain ( HT.D ) — This configuration is the derivative term for the PID which runs in the HVAC mode LOW HEAT.Heat PID Rate Config ( HT.TM ) — This configuration is the PID run time rate.Staged Ga...

59 Limit Switch Temperature Monitoring ( LIM.M ) — Variable air volume applications in the low heat or tempering mode can experience low airflow and as a result it is possible for nuisance trips of the gas heat limit switch, thereby shutting off all gas stages. In order to achieve consistent heating...

61 Setting up the System — The relevant set points for temper- ing are located at the local display under Setpoints : Operation — First, the unit must be in a vent mode, a low cool, or a high cool HVAC mode to be considered for a tempering mode. Secondly, the tempering mode is only allowed when the ...

62 Table 52 — Static Pressure Control Configuration Static Pressure Configuration ( SP.CF ) — This variable is used to configure the use of Comfort Link™ controls for static pressure control. It has the following options:0 (None) — No static pressure control by Comfort Link controls. This would be u...

64 determine the actual set point required and deliver the required airflow to every terminal under the current load conditions. As the conditions and airflow requirements at each terminal change throughout the operating period, so will SP.RS and the unit’s effective static pressure set point. In th...

65 Table 55 — Dirty Filter Switch Points Monitoring of the filter status switch is disabled in the Service Test mode and when the supply fan is not commanded on. If the fan is on and the unit is not in a test mode and the filter status switch reads “dirty” for 2 continuous minutes, an alert is gener...

66 Table 56 — Economizer Configuration Table The enthalpy switch may also be field converted to a differ- ential enthalpy switch by field installing an enthalpy sensor (33CSENTSEN or HH57ZC001). The enthalpy switch/receiv- er remains installed in its factory location to sense outdoor air enthalpy. T...

67 outdoor air dewpoint temperature and will compare this temperature against the outside air dewpoint temperature limit configuration ( Configuration → ECON → O.DEW ). If the outdoor air dewpoint temperature is greater than O.DEW , free cooling will not be allowed. Fig. 10 shows a horizontal limit ...

69 The economizer’s reported and commanded positions are also viewable, as well as outside air temperature, relative humidity, enthalpy and dew point temperature. The following information can be found under the Local Display Mode Run Status → ECON . See Table 57. Economizer Control Point Determinat...

71 Table 58 — Building Pressure Configuration *Some configurations are model number dependent. Configuration → BP → BP.CF = 2 (Modulating Power Exhaust) — Control is accomplished with two LEN communicating actuators in tandem and one exhaust fan relay. If building pressure ( Pressures → AIR.P → BP )...

72 Controlling high-capacity power exhaust differs from nor- mal power exhaust in the following ways:• The integral term is not used. The percentile commanded position of the VFD is used instead. • A “clamp percent” configuration is added ( BP.CL ) to create a deadband that will assist the algorithm...

73 contact closure. Multiple smoke control inputs, sensed by the control will force the unit into a Fire Shutdown mode.FIRE SMOKE INPUTS — These discrete inputs can be found on the local display under Inputs → FIRE . Fire Shutdown Mode — This mode will cause an immediate and complete shutdown of the...

74 damper position will never exceed the bounds specified by IAQ.M and EC.MN during IAQ control. If the building is occupied and the indoor fan is running and the differential between IAQ and OAQ is less than DAQ.L , the economizer will remain at IAQ.M . The economizer will not close completely. The...

75 IAQ Discrete Input Config ( Configuration → IAQ → AQ.CF → IQ.I.C ) — This configuration is used to set the type of IAQ sensor. The following are the options:• IQ.I.C = 0 (No Discrete Input) — This is used to indicate that no discrete input will be used and the standard IAQ sensor input will be us...

76 OAQ Low Reference ( Configuration → IAQ → AQ.S.R → OQ.R.L ) — This is the reference that will be used with a non-Carrier OAQ sensor that may have a different characteris- tic curve. It represents the CO 2 level at 4 mA. OAQ High Reference ( Configuration → IAQ → AQ.S.R → OQ.R.H ) — This is the re...

77 Table 60 — Humidity Configuration Table 61 — Related Humidity Points OPERATION — For operation, PID control will be utilized. The process will run at the rate defined by the Configuration → HUMD → H.PID → HM.TM . The first part of humidity control tests the humidity control configuration and will...

78 Table 62 — Dehumidification Configuration • D.SEL = 1 — The control will perform both dehumidifi- cation and reheat with modulating valve (hydronic). • D.SEL = 2 — The control will perform dehumidification and reheat with staged gas only. • D.SEL = 3 — The control will perform both dehumidifi- ca...

79 deviation from the occupied cooling and heating set points. This will allow the control to start the unit so that the space is at conditioned levels when the occupied period starts. This is required for ASHRAE 90.1 compliance. A space sensor is re- quired for non-linkage applications.SETTING UP T...

80 Table 63 — CCN Configuration Alert Limit Configuration — The ALLM submenu is used to configure the alert limit set points. A list is shown in Table 64.SPT Low Alert Limit/Occ ( SP.L.O ) — If the space tempera- ture is below the configurable occupied SPT Low Alert Limit ( SP.L.O ), then Alert 300 ...

81 Table 64 — Alert Limit Configuration Supply Duct Pressure High Alert Limit ( SP.H ) — If the unit is a VAV unit with a supply duct pressure sensor and the mea- sured supply duct static pressure is above the configurable SP High Alert Limit ( SP.H ), then Alert 311 will occur. The unit will contin...

82 Table 65 — Sensor Trim Configuration The defaults for this switch logic section will not normally need changing. However, if a field-installed switch is used that is different from the Carrier switch, these settings may need adjustment. Settings for switch logic are found at the local displays un...

83 Table 67 — Display Configuration Remote Control Switch Input — The remote switch input is located on the RCB board and connected to TB201 terminals 1 and 2. The switch can be used for several remote control functions. See Table 68. Table 68 — Remote Switch Configuration Remote Input State ( Input...

84 TIME CLOCK CONFIGURATION This section describes each Time Clock menu item. Not every point will need to be configured for every unit. Refer to the Controls Quick Start section for more information on what set points need to be configured for different applications. The Time Clock menu items are d...

85 Table 70 — Time Clock Menu Daylight Savings Stop Week ( DS.SP → SP.WK ) — This is the stop week of the month for daylight savings. The week can be set from 1 to 5.Daylight Savings Stop Day ( DS.SP → SP.DY ) — This is the stop day of the week for daylight savings. The day can be set from 1 to 7 (S...

86 determining the resistance with unit shut down and thermistor disconnected from J8. Compare the values determined with the value read by the control in the Temperatures mode using the scrolling marquee display. Transducer Troubleshooting — The electronic con- trol uses 2 suction pressure transduc...

90 Table 77 — Discharge Pressure Transducer Pressure (psig) vs Voltage Forcing Inputs and Outputs — Many of variables may be forced both from the CCN and directly at the local display. This can be useful during diagnostic testing and also during operation, typically as part of an advanced third part...

91 Fig. 13 — IGC Service Analysis Logic LEGEND NOTE: Thermostat Fan Switch in the“AUTO” position. IDM — Induced-Draft Motor IGC — Integrated Gas Unit Controller

92 Table 78 — Auto View of Run Status Display Table ECONOMIZER RUN STATUS — The Economizer Run Status display table provides information about the economizer and can be used to troubleshoot economizer problems. See Table 79. The current position, commanded position, and whether the econo- mizer is a...

94 Table 82 — CCN/Linkage Display Table Table 83 — Compressor Run Hours Display Table Table 84 — Compressor Starts Display Table Table 85 — Software Version Numbers Display Table Alarms and Alerts — There are a variety of different alerts and alarms in the system. T — Alert: Part of the unit is down...

100 override. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the MBB con- trol board. This error only occurs when the unit is configured for minimum position override and a 4-20 mA signal is not present.T245 (Outside Air Cfm Sensor Failure) — If ...

102 T610 (Economizer Actuator Out of Calibration) A620 (IGV Actuator Out of Calibration) T630 (Humidifier Actuator Out of Calibration) A640 (Heating Coil Actuator Out of Calibration) A650 (Bldg.Press. Actuator 1 Out of Calibration) A660 (Bldg.Press. Actuator 2 Out of Calibration) T670 (Economizer 2 ...

104 Fig. 16 — Main Base Board Input/Output Connections a48-8409

115 Table 87 — Main Control Board (MBB) Inputs and Outputs POINT NAME POINT DESCRIPTION I/O POINT NAME PLUG AND PIN REFERENCE SIGNAL PIN(S) PORT STATE INPUTSIGCIFO IGC IFO input DI1 J6, 3-4 4 0 = 24vac, 1= 0vac FSD Fire Shutdown Switch DI2 J6, 5-6 6 0 = 24vac, 1= 0vac G Thermostat G input DI3 J7, 1-...

118 Table 91 — Control Expansion Module (CEM) Inputs and Outputs POINT NAME POINT DESCRIPTION I/O POINT NAME PLUG AND PIN REFERENCE SIGNAL PIN(S) PORT STATE INPUTSDHDISCIN Dehumidify Switch Input DI 1 J7, 1-2 2 0 = 24vac, 1= 0vac DMD_SW1 Demand Limit Switch 1 DI 2 J7, 3-4 4 0 = 24vac, 1= 0vac DMD_SW...

119 Table 92 — Field Terminal Connections LEGEND BOARD NO. TERMINAL NUMBER DESCRIPTION TYPE TB-1 - POWER CONNECTION OR DISCONNECT (in Main Control Box) 11 L1 power supply 208-230/460/575/380/-3-60, 400-3-50 TB1 12 L2 power supply 208-230/460/575/380/-3-60, 400-3-50 13 L3 power supply 208-230/460/575...

120 Table 92 — Field Terminal Connections (cont) LEGEND Table 93 — IGC Board Inputs and Outputs SCROLLING MARQUEE — This device is the keypad in- terface used to access the control information, read sensor values, and test the unit. The scrolling marquee display is a 4-key, 4-character, 16-segment L...

121 Table 94 — VFD Terminal Designations POWER EXHAUST — The units can be equipped with an optional power exhaust system. The power exhaust fans are two belt-drive forward-curved fans. On non-modulating sys- tems, the fans are staged by the Comfort Link™ controls based on the economizer damper posit...

122 Table 95 — Thermistors and Unit Operation Control Pressure Transducers LEGEND FAN STATUS SWITCH — The units can be equipped with an optional fan status switch that will monitor the pressure rise across the indoor fans.RETURN AIR CO 2 SENSOR — The unit can be equipped with a return air IAQ CO 2 s...

123 ACCESSORY NAVIGATOR™ DISPLAY — The accesso- ry handheld Navigator display can be used with the 48/50Z series units. See Fig. 32. The Navigator display operates the same way as the scrolling marquee device. The RCB and ECB boards contain a second LEN port than can be used with the handheld Naviga...

124 NETWORK OPTIONS REMOTECCN SITE AUTODIALGATEWAY NON CARRIER HVAC EQUIPMENT TERMINAL SYSTEMMANAGER TCU ROOFTOP UNIT DAV AIRTERMINAL TCU TCU DAV AIRTERMINAL AIR DISTRIBUTION-DIGITAL AIR VOLUME CONTROL (DAV) DAV FANPOWEREDMIXINGBOX TOADDITIONALTERMINALS HEATING/COOLING UNITS BUILDING SUPERVISOR ROOF...

127 CERAMICBAFFLE CLIP HEAT EXCHANGERTUBES Fig. 39 — Burner Section Detail NOTE: One baffle and clip will be in each upper tube of the heatexchanger. Fig. 40 — Removing Heat Exchanger Ceramic Baffles and Clips INLET GUIDEVANE MOTOR Fig. 41 — Combustion Blower Removal Fig. 42A — Inlet Guide Vane Moto...

128 Adjustments RETURN/EXHAUST FAN MOTOR PLATEAdjust using a 3 / 4 -in. wrench on the adjusting bolts: 1. Loosen holddown bolts. (See Fig. 43).2. Turn the adjusting bolts to move the motor mounting plate toward or away from the fan to loosen or tighten the belts. Make the same number of turns to eac...

129 CONDENSER FAN ADJUSTMENT (Sizes 050,070,075 With High-Capacity Evaporator Coil Option) — Each fan is supported by a formed wire mount bolted to a fan deck and covered with a wire guard. The exposed end of the fan motor shaft is protected from weather by grease. If the fan motor must be removed f...

130 Lubrication COMPRESSORS — Each compressor is correctly charged at the factory. Refer to 06D and 06E Compressor Service Manu- als if additional information regarding compressor lubrication system is required.FAN SHAFT BEARINGS — Lubricate fan shaft bearings at least once a year with suitable bear...

131 Gas System Adjustment (48Z Only) GAS VALVE ADJUSTMENT — The gas valve opens and closes in response to the unit control. When power is supplied to valve terminals D1 and C2, the main valve opens to its preset position. The regular factory setting is stamped on the valve body (3.3 in. wg).To adjus...

132 EVAPORATOR-FAN MOTOR PROTECTION — A manu- al reset, calibrated trip, magnetic circuit breaker protects against overcurrent. Do not bypass connections or increase the size of the breaker to correct trouble. Determine the cause and correct it before resetting the breaker.C O N D E N S E R - FA N M...

133 APPENDIX A — LOCAL DISPLAY TABLES MODE — RUN STATUS ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. VIEW AUTO VIEW OF RUN STATUS → HVAC ascii string spelling out the hvac modes string 90,92 → OCC Occupied ? YES/NO OCCUPIED forcible 90,92 → MAT Mixed Air Temperature dF MAT 90,92 → EDT ...

134 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — SERVICE TEST ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. TEST Service Test Mode ON/OFF MAN_CTRL 36,37 STOP Local Machine Disable YES/NO UNITSTOP config 36,37 S.STP Soft Stop Request YES/NO SOFTSTOP forcible 36,37 FAN.F Supply Fan Req...

136 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — INPUTS *The display text changes depending on the remote switch configuration ( Configuration → UNIT → RM.CF ). If RM.CF is set to 0 (No Remote Switch), then the display text will be “On” or “Off.” If RM.CF is set to 1 (Occupied/Unoccupied Switch),...

142 APPENDIX B — CCN TABLES All Z series units with Comtfort Link™ controls have a port for interface with the Carrier Comfort Network ® (CCN) sys- tem. On TB3 there is a J11 jack which can be used for tempo- rary connection to the CCN network or to computers equipped with CCN software like the Serv...

146 APPENDIX B — CCN TABLES (cont) CONFIG TABLES (cont) SERVICE-CONFIG TABLES TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT SCHEDOVR Schedule Number 0-99 SCHEDNUM 0 Accept Global Holidays? Yes/No HOLIDAYT No Override Time Limit 0-4 hours OTL 1 Timed Override Hours 0-4 hours OVR_EXT 0 Accepting a...

150 APPENDIX B — CCN TABLES (cont) SERVICE-CONFIG TABLES (cont) MAINTENANCE DISPLAY TABLES TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT UNIT Machine Control Type 1-6 CTRLTYPE 4 Fan Mode (0=auto, 1=cont) 0-1 FAN_MODE 1 Remote Switch Config 0 - 3 RMTINCFG 0 CEM Module Installed Yes/No CEM_BRD No ...

156 APPENDIX B — CCN TABLES (cont) TIME SCHEDULE CONFIG TABLE Allowable Entries: Day not selected = 0 Day selected = 1 APPENDIX C — UNIT STAGING TABLES STAGING SEQUENCE — SIZE 030 UNITS — 60 Hz LEGEND STAGING SEQUENCE — SIZE 030 UNITS — 50 Hz LEGEND STAGING SEQUENCE — SIZE 035 UNITS LEGEND DAY FLAGS...

160 APPENDIX D — VFD INFORMATION On variable air volume units with optional VFD, the supply fan speed is controlled by a 3-phase VFD. The VFD is located in the supply fan section (030-050 units) or mixing box section (055-105 units) behind an access door. The VFD speed is controlled directly by the ...

161 APPENDIX D — VFD INFORMATION (cont) Table B — VFD Configurations VFD Operation — The VFD keypad is shown in Fig. B. The function of SOFT KEYS 1 and 2 change depending on what is displayed on the screen. The function of SOFT KEY 1 matches the word in the lower left-hand box on the display screen....

162 APPENDIX D — VFD INFORMATION (cont) START UP WITH ASSISTANT — Initial start-up has been performed at the factory. To start up the VFD with the Start-Up Assistant or reset the VFD with the Carrier defaults, perform the following procedure: 1. Select MENU (SOFT KEY 2). The Main menu will be displa...

163 APPENDIX D — VFD INFORMATION (cont) START-UP ASSISTANT MODE — To use the Start-Up Assistant, perform the following procedure: 1. Select MENU (SOFT KEY 2). The Main menu will be displayed. 2. Use the UP or DOWN keys to highlight ASSISTANTS on the display screen and press ENTER (SOFT KEY 2). 3. Us...

165 APPENDIX D — VFD INFORMATION (cont) Table C — Fault Codes FAULT CODE FAULT NAME IN PANEL DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION 1 OVERCURRENT Output current is excessive. Check for excessive motor load, insufficient acceleration time (parameters 2202 ACCELER TIME 1, default 30 sec-onds), ...

166 APPENDIX D — VFD INFORMATION (cont) To reset a fault indicated by a flashing red LED, turn off the power for 5 minutes. To reset a fault indicated by a red LED (not flashing), press RESET from the control panel or turn off the power for 5 minutes. Depending on the value of parameter 1604 (FAULT ...

167 APPENDIX D — VFD INFORMATION (cont) If diagnostics troubleshooting has determined that the drive is defective during the warranty period, contact ABB Automation Inc., at 1-800-435-7365, option 4, option 3. A qualified technician will review the problem with the caller and make a determination re...

168 APPENDIX D — VFD INFORMATION (cont) 3. The housing that holds the fan in place has barbed retain- ing clips at each corner. Press all four clips toward the center to release the barbs. 4. When the clips/barbs are free, pull the housing up to re- move from the drive. 5. Disconnect the fan cable.6...

169 APPENDIX E — MODE SELECTION PROCESS The following section is to be used in conjunction with Fig. 4 on page 43. To help determine why the unit controls are in a certain mode, the programming logic is provided below. The software will proceed, step by step, until a mode is reached. If an “If” stat...

170 APPENDIX E — MODE SELECTION PROCESS (cont) HVAC mode: ("Vent ") — This is a normal operation mode where no heating or cooling is required and outside air is being delivered to the space to control IAQ levels. HVAC mode: ("Low Cool ") — This is a normal cooling mode when a low coo...

171 INDEX Accessory control components 122 Accessory installation 7 Accessory Navigator™ display 4, 123 Actuators 38 Adjustments 128 Airflow control during Fire/smoke modes 73 Alarm output 39 Alarms and alerts 94 Alert limit configuration 80 Auto view of run status 90 Basic control usage 4-7 Buildin...

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53480039-01 Printed in U.S.A. Form 48/50Z-5T CL-1 7-08 Replaces: 48/50Z-4T ITEM EXPANSION RANGE DEFAULT SETTING UNIT UNIT CONFIGURATION → ...

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CL-7 UNIT START-UP CHECKLIST MODEL NO.: _________________________________ SERIAL NO.: ______________________________________ SOFTWARE VERSION _________________________ TECHNICIAN: ____________________________________ DATE: _______________________________________ PRE-START-UP: … VERIFY THAT DIP SWITC...