Carrier Performance 50VL-A Скачать руководство пользователя | Manualshive

Страница: 39 / 50

background image

39

24Vac

TR

3

4

EF1

EF

N1

N

EXH

OPEN

SR

ECONOMIZER IV

BOARD

BRN

ECONOMIZER MOTOR

RED

WHT

BLK

1

3

2

BLK

BLK

YEL

BLK

RED

OAT TEMP/

ENTHALPY SENSOR

Vac

24

+

-

SR+

AQ

SO+

SO

P

P1

T1

T

A

FREE COOL

B

C

D

2V

DCV

SET

DCV

10V

2V

MAX

DCV

10V

POS

MIN

2V

SET

EXH

10V

AQ1

2

5

1

TR1

COM

HOT

6

IAQ

7

(FIELD

ACCESSORY) REMOTE MIN POSITION POT

FIELD INSTALLED

IAQ SENSOR

1

2

REMOTE POT (135 Ohm)

620k

(FIELD ACCESSORY) ENTHALPY SENSOR

GRY

FIELD SPLICE

FIELD SPLICE

+

S

+

S

BLK

LALS

(NOT USED)

(NOT USED)

7

BLU

ORG

VIO

PNK

(NOT USED)

(NOT USED)

TAN

TO PWR EXHAUST

ACCESSORY

NOTES: 1. 620 OHM, 1 WATT 5% RESISTOR SHOULD BE REMOVED ONLY WHEN USING DIFFERENTIAL ENTHALPY OR DRY BULB. 2. IF A SEPARATE FIELD SUPPLIED 24V TRANSFORMER IS USED FOR THE IAQ SENSOR POWER SUPPLY, IT CANNOT HAVE THE SECONDARY OF THE TRANSFORMER GROUNDED. 3. FOR FIELD INSTALLED REMOTE MINIMUM POSITION POT, REMOVE BLACK WIRE JUMPER BETWEEN P AND P1 AND SET CONTROL MINIMUM POSITION POT TO THE MINIMUM POSITION. 4. FOR VERTICAL ECONOMIZER THE ECONOMIZER MOTOR CONNECTIONS ARE AS SHOWN.FOR HORIZONTAL ECONOMIZER THE ECONOMIZER MOTOR IS ATTACHED TO THE ECONOMIZER IV BOARD, (THE WIRES SHOWN ARE NOT UTILIZED --BLK, WHT

& RED)

5. WHEN NOT USING A CO2 SENSOR, THE DCV MAX POTENTIOMETER MUST BE COMPLETELY CLOSED (CCW) FOR THE MINIMUM POSITION POTENTIOMETER TO FUNCTION CORRECTLY.

POTENTIOMETER DEFAULTS SETTINGS: POWER EXHAUST MIDDLE MINIMUM POS. 1/4 OPEN DCV MAX. FULLY CLOSED DCV SET MIDDLE ENTHALPY C SETTING

PL6-R

FOR STD

UNIT

6

11

10

8

2

3

4

1

5

9

12

GRY

PINK

PINK

GRY

YEL

RED

BRN

BLK

R

EWG

O

Y1

Y

2

V

2-STAGE T-STAT

LOW

COM C

Y

IFB

BLU

BLU

SAT

YEL

WIRING FOR AC AND GAS/ELECTRIC MODELS

HPS

LPS

CC

BLK

BLU

BLK

BLU

BLOWER MOTOR BLK SPEEDTAB HIGH

RED

LEGEND

SPLICE

FACTORY WIRING

FIELD OR ACCESSORY CONTROL WIRING

C

48SD500120

C COMPRESSOR CONTACTOR DVC DEMAND CONTROLLED VENTILATION HPS HIGH PRESSURE SWITCH IAQ INDOOR AIR QUALITY SENSORS IFB INDOOR FAN BOARD LALS LOW TEMPERATURE COMPRESSOR LOCKOUT SWITCH LPS LOW PRESSURE SWITCH OAT OUTDOOR AIR TEMPERATURE SENSOR POT POTENTIOMETER SAT SUPPLY AIR TEMPERATURE SENSOR

SEE NOTE

4

A10098

Fig. 40 -- Economizer Wiring Diagram

50V

L

--

A

«
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37
38
39
40
41
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Содержание Performance 50VL-A

Страница 1: ... A Installation 28 34 Small Chassis 28 29 Large Chassis 32 34 CONFIGURATION 35 44 OPERATION 45 TROUBLESHOOTING 46 SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause death personal injury or property damage Consult a qualified installer service agency or your distributor or branch...

Страница 2: ... into place The panel removal process may require the unit to be on the ground Step 2 Provide Unit Support IMPORTANT The unit must be secured to the curb by installing screws through the bottom of the curb flange and into the unit base rails When installing large base units onto the common curb the screws must be installed before allowing the full weight of the unit to rest on the curb A minimum o...

Страница 3: ...3 A09462 Fig 2 50VL A24 36 Unit Dimensions 50VL A ...

Страница 4: ...4 A09463 Fig 3 50VL A42 60 Unit Dimensions 50VL A ...

Страница 5: ...m B large base IN mm C IN mm D IN mm E IN mm F IN mm G IN mm H IN mm Small or Large CPRFCURB010A00 11 279 10 254 14 356 16 406 47 8 1214 32 4 822 2 7 69 30 6 778 46 1 1170 CPRFCURB011A00 14 356 Large CPRFCURB012A00 11 279 14 356 43 9 1116 42 2 1072 CPRFCURB013A00 14 356 Part Numbers CPRCURB010A00 and CPRCURB011A00 can be used on both small and large basepan units The cross supports must be located...

Страница 6: ...DETAIL A VOIR DÉTAIL A MINIMUM HEIGHT 36 914 4 mm HAUTEUR MINIMUM UNIT HEIGHT HAUTEUR D UNITÉ SEE DETAIL A VOIR DÉTAIL A BANDE SCELLANT DOIT ÊTRE EN PLACE AVANT DE PLACER L UNITÉ SUR LA BASE DE TOIT A09051 SMALL CABINET LARGE CABINET Unit 24 30 36 Unit 42 48 60 lb kg lb kg lb kg lb kg lb kg lb kg Rigging Weight 295 134 307 139 365 166 Rigging Weight 421 191 439 199 467 212 For 460 volt units add 1...

Страница 7: ... operators of the lifting equipment should include but not be limited to the following 1 Application of the lifter to the load and adjustment of the lifts to adapt to various sizes or kinds of loads 2 Instruction in any special operation or precaution 3 Condition of the load as it relates to operation of the lifting kit such as balance temperature etc Follow all applicable safety codes Wear safety...

Страница 8: ...roof all external ductwork Seal insulate and cover with a vapor barrier all ductwork passing through conditioned spaces Follow latest Sheet Metal and Air Conditioning Contractors National Association SMACNA and Air Conditioning Contractors Association ACCA minimum installation standards for residential heating and air conditioning systems 5 Secure all ducts to building structure Flash weatherproof...

Страница 9: ...diagram 2 Use only copper conductor for connections between field supplied electrical disconnect switch and unit DO NOT USE ALUMINUM WIRE 3 Be sure that high voltage power to unit is within operating voltage range indicated on unit rating plate On 3 phase units ensure phases are balanced within 2 percent Consult local power company for correction of improper voltage and or phase imbalance 4 Do not...

Страница 10: ...American Wire Gage AWG color coded insulated 35 C minimum wires to make the control voltage connections between the thermostat and the unit If the thermostat is located more than 100 ft 30 5 m from the unit as measured along the control voltage wires use no 16 AWG color coded insulated 35 C minimum wires STANDARD CONNECTION Locate the seven eight for 3 phase low voltage thermostat leads in 24 volt...

Страница 11: ...x10 254x254 1 2 1050 1200 11x10 279 4x254 3 4 1000 1400 11x10 279 4x254 3 4 1075 1600 1750 11x10 279 4x254 11x10 279 4x254 1 0 1075 1 0 1040 HIGH PRESSURE SWITCH psig Cut out Reset Auto 650 15 420 25 LOSS OF CHARGE LOW PRES SURE SWITCH Liquid Line psig cut out Reset auto 20 5 45 10 RETURN AIR FILTERS Throwaway Size in Throwaway Size mm 20x20x1 508x508x25 20x24x1 508x610x25 24x30x1 610x762x25 24x36...

Страница 12: ...over refrigerant from system and evacuate to 500 microns if no additional leaks are found 5 Charge unit with Puron R 410A refrigerant using an accurate scale Refer to unit rating plate for required charge Step 2 Start Up Cooling Section And Make Adjustments Complete the required procedures given in the Pre Start Up section before starting the unit Do not jumper any safety devices when operating th...

Страница 13: ...ture not used To change cooling speed 1 Remove the vinyl cap off of the desired speed tap wire Refer to Table 3 for color coding Add the wet coil pressure drop in Table 5 to the system static to determine the correct cooling airflow speed in Table 4 that will deliver the nominal cooling airflow as listed in Table 1 for each size 2 Remove the current speed tap wire from the LOW terminal on the inte...

Страница 14: ...lower speed WARNING CONTINUOUS FAN OPERATION When the DEHUM feature is not used the continuous fan speed will be the same as cooling fan speed When the DEHUM feature is used the continuous fan will operate on IFB LOW speed when the DH control lead is not energized or IFB HIGH speed when the DH lead is energized see Fig 11 COOLING SEQUENCE OF OPERATION With the room thermostat SYSTEM switch in the ...

Страница 15: ...58 1513 1474 1438 1404 1349 Medium1 Red CFM 1962 1915 1880 1843 1794 1753 1711 1675 1628 Med High Orange CFM 2131 2088 2065 2013 1982 1941 1888 1860 1785 High Black CFM 2461 2409 2339 2286 2192 2140 2062 1968 1874 Air delivery values are without air filter and are for dry coil See Table 5 50VL A Wet Coil Pressure Drop table 1 Factory shipped cooling speed Note Deduct field supplied air filter pres...

Страница 16: ...N INSTRUCTIONS TO DETERMINE CORRECT SPEED TAP SETTING 6 DO NOT DISCONNECT PLUG UNDER LOAD 7 THIS FUSE IS MANUFACTURED BY LITTELFUSE P N 257003 8 UNIT FACTORY SHIPPED IN STD MODE ACCESSSORY ELECTRIC HEAT HR1 5 KW HR1 2 10 KW HR1 2 3 15 KW HR1 2 3 4 20 KW HR3 HR2 HR4 1 3 HR1 1 3 BRN BRN BRN BRN BRN RED BLK YEL FIELD SUPPLY POWER UNIT ONLY MAXIMUM WIRE SIZE 2 AWG 1 1 SCHEMATIC 230 1 60 OFM COMPRESSOR...

Страница 17: ... 6 P1 4 P1 3 P1 2 P1 1 P2 4 P2 3 P2 2 P2 1 C C1 C2 HR1 HR4 HR2 HR3 BRN BRN BRN BRN WHT VIO PNK GRY 2 5 4 3 1 BLU PNK RED BLK G Y HIGH C P4 4 P4 3 P4 2 P4 1 P4 5 IFB RED 24VAC IF USED ACCESSORY ELECTRIC HEAT G Y RED BRN WHT VIO PNK GRY R C Y G W2 W3 Y YEL ORN SEE NOTE 4 50VL500269 DANGER ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING BLU C TRAN BLU BLU BLK FUSE 3A BRN C BRN SEE NOTE 7 BL...

Страница 18: ...18 A10202 Fig 13 Connection Wiring Diagram 208 230 3 60 50VL A ...

Страница 19: ...19 A10202 Fig 13 Cont Ladder Wiring Diagram 208 230 3 60 50VL A ...

Страница 20: ...USES ARE MANUFACTURED BY COOPER BUSSMAN P N FNQ R 5 9 DEHUM FEATURE CANNOT BE USED WHEN ECONOMIZER IS INSTALLED UNIT FACTORY SHIPPED IN STD MODE ACCESSSORY ELECTRIC HEAT HR1 5 KW HR1 2 10 KW HR1 2 3 15 KW HR1 2 3 4 20 KW HR3 HR2 HR4 1 3 HR1 1 3 BRN BRN BRN BRN BRN RED BLK YEL FIELD SUPPLY POWER UNIT ONLY MAXIMUM WIRE SIZE 2 AWG 1 1 SCHEMATIC 460 3 60 OFM COMPRESSOR PLUG EQUIP_GND 1 1 1 1 1 WHT VIO...

Страница 21: ...WHT VIO PNK GRY 2 5 4 3 1 BLU PNK RED BLK G Y HIGH C P4 4 P4 3 P4 2 P4 1 P4 5 IFB RED 24VAC IF USED ACCESSORY ELECTRIC HEAT G Y RED BRN WHT VIO PNK GRY R C Y1 G W2 W3 50VL500271 YEL L2 ORN SEE NOTE 4 DANGER ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING TRAN BRN C C2 Y C 13 FUSE 3A BRN C BRN SEE NOTE 7 C1 3 5 6 4 2 8 7 ECON HARNESS VIO Y2 YEL RED BLK PNK BLU PNK BLU SAT COM C BRN BRN LP...

Страница 22: ...22 A09089 Fig 15 Cooling Charging Chart 50VL A ...

Страница 23: ...ce the filter with the same dimensional size and type as originally installed See Table 1 for recommended filter sizes Inspect air filter s at least once each month and replace throwaway type or clean cleanable type at least twice during each cooling season and twice during the heating season or whenever the filter becomes clogged with dust and lint Indoor Blower and Motor NOTE All motors are pre ...

Страница 24: ...trough with clear water Do not splash water on the insulation motor wiring or air filter s If the drain trough is restricted clear it with a plumbers snake or similar probe device OUTDOOR FAN UNIT OPERATION HAZARD Failure to follow this caution may result in damage to unit components Keep the condenser fan free from all obstructions to ensure proper cooling operation Never place articles on top of...

Страница 25: ...lem exists If switch must be removed remove and recover all system charge so that pressure gauges read 0 psi 0 Pa Never open system without breaking vacuum with dry nitrogen High Pressure Switch The high pressure switch is located in the discharge line and protects against excessive condenser coil pressure It opens at 650 psig 31 1 kPa High pressure may be caused by a dirty condenser coil failed f...

Страница 26: ...prevent run offs and protect drop cloth from tears caused by tools or components 3 Place terry cloth shop towel inside unit immediately under component s to be serviced and prevent lubricant run offs through the louvered openings in the unit base 4 Perform required service 5 Remove and dispose of any oil contaminated material per local codes Liquid Line Filter Drier The filter drier is specificall...

Страница 27: ... compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Faulty outdoor fan motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter ...

Страница 28: ...V Control Using a Duct Mounted CO2 Sensor 33ZCSENC02 or CGCDXSEN004A00 and 33ZCASPCO2 or CGCDXASP00100 or CRCBDIOX005A00 CRENTDIF004A00 accessory is used on many different base units As such these kits may contain parts that will not be needed for installation 33ZCSENCO2 and CGCDXSEN004A00 are accessory CO2 sensors 33ZCASPC02 AND CGCDXASP00100 are accessory aspirator boxes required for duct mounte...

Страница 29: ...mber Table 12 Filter Part Number DESCRIPTION PART NUMBER Indoor Coil Air Filter 12 x 20 x 1 304 8 x 508 x 25 4 mm KH01AA312 NOTE The economizer control settings and the filters are accessible through the filter access door 13 Economizer controls are set to a standard factory setting Nevertheless you can adjust these settings through the filter access door Review the settings in the Operation secti...

Страница 30: ... Duct Cover Panel Hood Divider Removed A09691 Fig 20 Horizontal Return Duct Cover Panel Removal Filter Angle Bracket Right Hood Side Panel Left Hood Side Panel Filter Angle Bracket A09692 Fig 21 Filter Angle Bracket Installation 50VL A ...

Страница 31: ...anel Hood Top Panel Left Hood Side Panel Hood Divider A09693 Fig 22 Economizer Hood Assembly A09694 Fig 23 Economizer Hood Installation Filter Clips Aluminum Filter A09695 Fig 24 Filter Installation See Through View 50VL A ...

Страница 32: ... return duct cover panel Screw in place ensuring all seams are air and watertight 6 Open economizer hood package found on the top skid Mount OAT sensor to its assigned bracket by screwing together with provided two 8 fasteners Afterwards install OAT sensor to the right side hood panel with the provided 10 screws See Fig 27 7 Install the 2 angle filter brackets to the right and left hood side panel...

Страница 33: ...9698 Fig 27 OAT Bracket Installation Filter Angle Bracket Right Hood Side Panel Filter Angle Bracket Left Hood Side Panel Right Hood Side Left Hood Side A09699 Fig 28 Filter Angle Bracket Installation 50VL A ...

Страница 34: ... mm KH01AA316 18 x 24 x 1 457 2 x 609 5 x 25 4 mm KH01AA318 13 Economizer controls are set to a standard factory setting Nevertheless you can adjust these settings through the filter access door Review the settings in the Operation section 1 The standard economizer controller has a factory setting of C for the outdoor air temperature changeover and 63_F 17_C for the supply air mixed air temperatur...

Страница 35: ...tpoints The temperature changeover is set using 3 dip switches on the sensor The ABCD potentiometer on the controller should be set to the D position See Fig 35 SUPPLY AIR TEMPERATURE SAT SENSOR The supply air temperature sensor is a 3 KΩ thermistor located at the inlet of the indoor fan See Fig 33 The operating range of temperature measurement is 0_ to 158_F 17 8_ to 70_C See Table 14 for sensor ...

Страница 36: ... adjust the outdoor air dampers to minimum position If the outdoor air temperature is below the set point the position of the outdoor air dampers will be controlled to provide free cooling using outdoor air When in this mode the LED next to the free cooling set point potentiometer will be on The changeover temperature set point is set using the switches on the sensor See Fig 35 for the correspondi...

Страница 37: ...hen the outdoor air has a lower enthalpy than the return air and is below the set point the Economizeropenstobringinoutdoorairfor freecooling Replacethe standard outside air dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location Mount the return air enthalpy sensor in the return air duct See Fig 36 When using this mode of changeover control turn the enthalpy s...

Страница 38: ...re is 75_F 23 9_C 60 x 10 75 x 90 73 5_F 23 1_C 2 Disconnect the supply air sensor from terminals T and T1 3 Ensure that the factory installed jumper is in place across terminals P and P1 If remote damper positioning is being used make sure that the terminals are wired according to Fig 40 and that the minimum position potentiometer is turned fully clockwise 4 Connect 24 vac across terminals TR and...

Страница 39: ...ICAL ECONOMIZER THE ECONOMIZER MOTOR CONNECTIONS ARE AS SHOWN FOR HORIZONTAL ECONOMIZER THE ECONOMIZER MOTOR IS ATTACHED TO THE ECONOMIZER IV BOARD THE WIRES SHOWN ARE NOT UTILIZED BLK WHT RED 5 WHEN NOT USING A CO2 SENSOR THE DCV MAX POTENTIOMETER MUST BE COMPLETELY CLOSED CCW FOR THE MINIMUM POSITION POTENTIOMETER TO FUNCTION CORRECTLY POTENTIOMETER DEFAULTS SETTINGS POWER EXHAUST MIDDLE MINIMUM...

Страница 40: ...40 A10201 Fig 41 Connection Wiring Diagram 230 3 50VL A ...

Страница 41: ...41 A10201 Fig 41 Cont Ladder Wiring Diagram 230 3 50VL A ...

Страница 42: ...42 A10203 Fig 42 Connection Wiring Diagram 460 3 50VL A ...

Страница 43: ...43 A10203 Fig 42 Cont Ladder Wiring Diagram 460 3 50VL A ...

Страница 44: ...ometer to the correct position The same equation can be used to determine the occupied or maximum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 CFM per person Use Fig 38 to determine the maximum setting of the CO2 sensor For example a 11...

Страница 45: ...free cooling is not available the compressor will be controlled by the thermostat When free cooling is available the outdoor air damper is modulated by the Economizer control to provide a 50_ to 55_F 10_ to 12 8_C supply air temperature into the zone As the supply air temperature fluctuates above 55_ 12 8_C or below 50_F 10_C the dampers will be modulated open or close to bring the supply air temp...

Страница 46: ...d remain in position 5 Turn the DCV set point potentiometer CW until the DCV LED turns off The DCV LED should turn off when the potentiometer is approximately 9 v The actuator should drive fully closed 6 Turn the DCV and Exhaust potentiometers CCW until the Exhaust LED turns on The exhaust contacts will close 30 to 120 seconds after the Exhaust LED turns on 7 Return Economizer settings and wiring ...

Страница 47: ...47 REQUIRED CLEARANCES TO COMBUSTIBLE MATL NEC REQUIRED CLEARANCES REQUIRED CLEARANCE FOR OPERATION AND SERVICING A10070 Fig 43 50VL A 30 36 3 Phase with Economizer 50VL A ...

Страница 48: ...48 REQUIRED CLEARANCES TO COMBUSTIBLE MATL REQUIRED CLEARANCE FOR OPERATION AND SERVICING NEC REQUIRED CLEARANCES A10071 Fig 44 50VL A 42 60 3 Phase with Economizer 50VL A ...

Страница 49: ...with minimum 700 psig service pressure rating S Leak detectors should be designed to detect HFC refrigerant S Puron as with other HFCs is only compatible with POE oils S Vacuum pumps will not remove moisture from oil S Only use factory specified liquid line filter driers with rated working pressures no less than 600 psig S Do not install a suction line filter drier in liquid line S POE oils absorb...

Страница 50: ... LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB PRESSURES REFRIGERANT SUCTION PSIG SUCTION LINE TEMP REFRIGERANT DISCHARGE PSIG LIQUID TEMP VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS Measured at suction in...

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