Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual page 121

NOTES:
I GENERAL
1,0 VFD SHALL BE DESIGNED AND MANUFACTURED IN ACCORDANCE WITH
CARRIER ENGINEERING REQUIREMENT Z-420o
1,1 ALL FIELD-SUPPUED CONDUCTORS, DEVICES AND 'THE FIELD-INSTALLATION
WIRING, TI'3:_MINAIlON GF CONDUCTORS AND DEVICES, MUS'f 8E IN COMPUANCE
WITH ALL APPUCABLE CODES AND JOB SPECIFICATION&
1.2 THE ROUTING OF FIELD-INS'[ALLEDCONDUIT AND CONDUCTORS AND THE LOCA]ION
OF FIELD-INSTALLED DEVICES, MUST NOT INTERFERE WITH EQUIPMENT ACCESS
OR THE READING. AOdUSIlNG OR SERVICING OF ANY COMPONENT,
1,3 EQUIPMENT INSIALLATION AND ALL STARIINO AND CONTROL DEVICES. MUST
COMPLY _lll DEIAILS IN EQUIPMENT SUBMITTAL DRA_NOS AND UTERATURE.
1,4 CONrACIS AND S_TCHES ARE SHOWN IN THE POSITION IHEY WOULD ASSUME
WITH THE CIRCUIT DE-ENERGIZED AND THE CHILLER SHUII]OYvN.
1,5 NARNING - DO NOT USE ALUMINUM CONDUCTORS,
POWER _RING TO VFD
2,0 PROVIDE A LOCAL MEANS OF DISODNNEGTINO POWER TO VFD, PROVIDE SHORT
CIRCUIT PROTECTION FOR THE CHILLER AND INIERCONNECTING WIRE AT THE
BRANCH FEEDER. IHE SHOR'[ CIRCUIT PROfE'_:TION SHALL BE FUSED TYPE
OR EQUiVALEN'f CIRCUIT BREAKDR PER SHEEI 3 OF 4 OF THIS DOCUMEN'f.
Z,1 METAL CONDUII MUST BE USED FGR IHE POI_ER WIRES, FROVI VFD TO BRANCH
FEEDER.
2,2 UNE S@E POWER CONDUCTOR RATING MUST MEET VFD NAMEPLATE VOLTAGE
AND CHILLER FULL LOAD AMPS (MINIMUM CIRCUIT AMPACITY),
2,3 UNE LUG ADAPTORS ARE REQUIRED AT INSTALLATION. MINIMUM QUANTITY
(# CONDUCTORS) AND SIZE (CONDUCTOR RANGE) CABLES PER PHASE AS FI_I_I.OWS:
CONTROL _RI N(3
&O FIELD SUPPLIED CONTROL CONDUCTORS TO BE AT LEAST 18 A_ OR LAROEP,.
3.1 ICE BUILD START/ERMINATE DEVICE CONTACTS, REMOTE START/STOP DEVICE CONTACTS
AND SPARE SAFELY DEVICE CONTAC:TS_ (DEVICES NOI SUPPUED BY CARRIER],
MUST HAVE 24VAC RATING. MAX CURRENT IS BOrnA. NOMINAL CURRENT IS 10mA.
SWI'[CHES WITH C43LI) PLATED BIFURCATED C:ONIAC'ISARE RECX3MMENDED.
3.2 REMOVE ,.LIMPERWIRE BETWEEN TBI-Ig AND "fBI-20 BEFORE CDNNECI]N_ AUXILLIARY
SAFETIES BETV_ THESE TERMINALS.
3,_ TME VF'D CONTACT
OUTPUTS
CAN CONTROL LOADS (VA) FOR COOLER AND
FOR CONDENSER PUMP, TOWER FAN MOTOR CONTACTOR COIL AND ALARM
ANNUNCIATOR DEVICES IS RATED 5 AMPS AT 115VAC UP TO 3 AMPS AT
277VAC. CONTROL WIRING REOUIRED FOR CARRIER TO START PUMPS AND TOWER
FAN MOTORS MUST BE PROVIDED TO ASSURE MACHINE PROTECTION, IF PRIMARY
PUMP AND TOWER FAN MOTOR CONTROL IS BY OTHER MEANS. ALSO PROVIDE A
PARALLEL MEANS FOR DDNTROL BY CARRIER. DD NOT USE STARTER CONTROL
TRANSFORMER AS THE POWER SOURCE FOR CONTACTOR COIL, ACTUATOR MOTOR
DR ANT OTHER LOADS.
3.4 DO NOT ROUTE CONTROL WIRINI_ CARRYING 3DV OR LESS WIIHIN A CONDUIT "NHICH
HAS WIRES 'CARRYING 50V OR HIGHER OR ALONG SIDE WIRES CARR'fING 50V OR HIGHER,
3.5 SPARE $-20mA OUTPUT SIGNAL IS DESIGNED FOR CONTROLLERS WITH A
NON--GROUNDEO 4-20mA INPUT SIGNAL AND A MAXIMUM INPUT IMPEDANCE
OF 500 OHMS.
3.6 REMOVE JUMPER WIRE TB1/19 TO TB1/20 IF INSTALLING SPARE SAFETY" CONTACT.
VFD STANDARD 65KAIC LUG CAPACITY (PER PHASE) OP_ONAL IOOKAIC LUG CAPACITY (PER PHASE)
MAX INPUT
AMPS. # CONDUCTORS CONDUCTOR RANGE # CONDUCTORS CONDUCTOR RANGE
405A
3
3/0
-
500MCM 2 40D - 500MCM
608A 3 3/0- 500MCM 3 3/0 - 400MCM
2.4- COMPRESSOR MOTOR AND CONTROLS MUST BE GROUND[I) BY USING EGUIPM[NT
GROUNDING LUGS PROVIDED INSIDE UNIT MOUNTED VFD ENCLOSURE,
Fig. 54 -- 19XRV Field Wiring