Carrier 50BV020-064 specifications 50BV VFD Display

Page 44
Fig. 33 — 50BV VFD Display

VEC lamp

Lights when sensorless vector operation control is running.

ECN lamp

Lights whenenergy-saving mode is in operation.

Charge Lamp

Indicates that high voltage is still present within the inverter. Do not open the terminal board cover while this is lit.

Up/down key lamp

Pressing up or down key when this lamp is lit allows the setting of operation frequency.

RUN lamp

MON lamp

Lights when the inverter is

Lights when the

operating. Blinks when the

inverter is in

automatic acceleration/deceleration

monitor mode.

is operating

 

CHARGE Manual background

MON ENT

RUN STOP

PRG lamp

Lights when the inverter is in parameter setting mode.

Monitor key

Displays operation frequency, parameters, and error causes.

Built-in

potentiometer lamp

Built-in potentiometer

Operation frequency can be changed when the built-in potentiometer lamp is lit.

Enter key

 

RUN key

STOP key

RUN key lamp

 

Pressing this key

Every pressing of this key

Lights when the

while the RUN key lamp is

while the RUN key

RUN key is

lamp is lighted

lit will cause a slowdown

enabled.

starts operations.

stop.

Down key

Up key

Fig. 33 — 50BV VFD Display

If the LID display is in Edit mode, then the display will only show the word “password.” Press the EXPN/EDIT

key to toggle to the Status mode. Make sure the LID dis- play shows:

Log in to Controller Enter Password

3.Key in the password and press ENTER . NOTE: The default password is 1111.

4.The LID display will show: Log in to Controller Logged In

NOTE: The user will be automatically logged off after 15 minutes of non-use.

CHANGE THE DEFAULT PASSWORD — To change the default password, perform the following procedure:

NOTE: The password must have already been entered to per- form this procedure.

1.Press 3 and then SET . The LID display will show: Controller Password

2.Press ENTER . The LID display will show: Log in to Controller

Logged in

3.Press EXPN/EDIT . The LID display will show: Password

1111 (default password, or previous password entered)

4.Enter the new password (up to 6 digits) and press ENTER . The LID display will show:

Password

(password just entered)

NOTE: Remember this password; write it down.

5.Press CLEAR twice to leave the password screen and re- turn to the default display screen.

SET THE CLOCK — The user must be logged in to set the clock. To set the clock, perform the following procedure:

1.Press 1 and then SET . The LID display will show: Set Clock

2.Press ENTER . The LID display will show: No Maintenance

NOTE: There is no maintenance information regarding setting the clock.

3.Press EXPN/EDIT . The LID display will show: Time

00:00

4.Enter the time. The time is entered in military time (for example 14.59 for 2.59 pm). Press ENTER then press

the Manual background button. The LID display will show: Day of Week

1

5.Enter the day of week. The numbers 1 through 7 corre- spond to the days of the week (1 = MON, 2 = TUE, 3 = WED, 4 = THUR, 5 = FRI, 6 = SAT, 7 = SUN). Press

ENTER then press Manual background . The LID display will show: Month

1

6.Enter the number of the corresponding month (1 through

12). Press ENTER then press Manual background . The LID display will show:

Day 1

44

Image 44
Contents SAFETY CONSIDERATIONS Installation, Start-Upand Service InstructionsCONTENTS MAJOR SYSTEM COMPONENTS Constant Volume CV Units GENERALINSTALLATION Step 1 - Complete Pre-InstallationChecksTable 2 - Modular Unit Shipping Table a50-7257efFig. 2 - 50BVC,J,Q020-034Dimensions Fig. 3 - 50BVE,K020-034Dimensions Fig. 4 - 50BVT,V,W034 High-BoyDimensions a50-8201Fig. 5 - 50BVT,V,W034 Low-BoyDimensions Fig. 6 - 50BVT,V,W044-064 High-BoyDimensions Fig. 7 - 50BVT,V,W044-064 Low-BoyDimensions Fig. 8 - 50BVU,X034 High-BoyDimensions Fig. 9 - 50BVU,X034 Low-BoyDimensions Fig. 10 - 50BVU,X044-064 High-BoyDimensions Fig. 11 - 50BVU,X044-064 Low-BoyDimensions NOTES 1.Dimensions in inches mm a50-7306efNOTES 1.Dimensions in inches mm a50-7307efSize 034 Units Size 044-064Units Shipping Weights lba50-8235 Table 3A - Physical Data - 50BVC,E,J,K,Q Table 3B - Physical Data - 50BVT,U,V,W,X Fig. 15 - Typical Fan Discharge Connections for Multiple Fan Unitsa50-7138ef Fig. 16 - Duct Static Pressure ProbeP/N 39EK20462 a50-7267efFig. 19 - DHS Limit Switch P/N Step 4 - Make Piping Connectionsa50-8253 Fig. 18 - DHS Pressure Limit LocationTable 5A - Condenser Pressure Drop 50BVC,J,Q UnitsTable 5B - Condenser Pressure Drop 50BVT,V,W UnitsTable 6A - Hot Water Pressure Drop 50BVC,E,J,K,Q UnitsTable 6B - Hot Water Pressure Drop 50BVT,U,V,W,X UnitsStep 5 - Complete Electrical Connections Table 7B - Economizer Pressure Drop Curveft wg, 50BVT,U,V,W,X Units a50-7270efTable 9A - Electrical Data - 50BVC,E,J,K,Q Table 9B - Electrical Data - 50BVT,U,V,W,X Two-StageCooling Units Fig. 24 - Typical Wiring 18 to 30 Ton Unitsa50-7272ef a50-7273ef Table 10 - Recommended Cablesa50-7164tf Fig. 26 - Field Terminal BlockInstallation Unit Discharge Location a50-7275efFig. 27 - Modular Unit VAV Control Panel a39-1867tSTART-UP Table 11 - Thermistor Resistance vs TemperatureValues for Supply-AirTemperature Sensor 10 Kilo- ohmCV Unit Start-Up Table 13 - Fan Performance - 50BVC,E,Q020Table 14 - Fan Performance - 50BVC,E,Q024 Table 15 - Fan Performance - 50BVC,E,Q028 Table 16 - Fan Performance - 50BVC,E,Q034 Table 17 - Fan Performance - 50BVT,U,V034 Table 17 - Fan Performance - 50BVT,U,V034 cont Table 18 - Fan Performance - 50BVT,U,V044 Table 19 - Fan Performance - 50BVT,U,V054 Table 19 - Fan Performance - 50BVT,U,V054 cont Table 20 - Fan Performance - 50BVT,U,V064 Table 20 - Fan Performance - 50BVT,U,V064 cont VAV Unit Start-Up OMNIZONE VPAC 02-06-04Fig. 32 - LID a50-7425efFig. 33 - 50BV VFD Display The LID display will show Year Table 23 - Software Points Table 21 - Controller Set PointsTable 22 - Controller Hardware Points Table 24 - Configuration Parameters Unoccupied space or return air temperature demand SERVICE MAINTENANCEa50-186tf Fig. 34 - Gravity Flow Methoda50-187tf Fig. 35 - Forced Circulation MethodEvaporator Fan Performance Adjustment TROUBLESHOOTINGCharging the System a50-7135tfPROBLEM POSSIBLE CAUSETable 28 - Unit Troubleshooting PROBLEMCORRECTION PROCEDURE POSSIBLE CAUSETable 31 - Clearing a Forced Input or Output Table 29 - CV Units LED Diagnostic CodesTable 30 - Forcing an Input or Output Page Page Page Page FIELD WIRING UNIT WIRINGPage FIELD WIRING WIRE LEGENDa50-7282ef TRANS-1FIELD WIRING PCB2 J1PCB1 FIELD WIRINGUNIT WIRING FIELD WIRING PCB1LEGEND AND NOTES FOR FIG Copyright 2008 Carrier Corporation Catalog NoForm 50BV-3SI 10-08START-UPCHECKLIST I. PRELIMINARY INFORMATIONII. PRE-START-UP CONTROLSIII.START-UP