Carrier 40KMQ Especificaciones descargar pdf (Pagina 11)

Step 5 — Make Electrical Connections

See Tables 6A and 6B for electrical information.

UNITS WITH ELECTRIC HEATER — The unit is equipped

with two thermostats: one with automatic reset and one with

manual (electric) reset that can be reactivated by switching the

power supply off and then back on.

POWER WIRING (Fig. 21-27) — The unit is factory wired

for voltage shown on nameplate. Provide adequate, fused dis-

connect switch within sight of unit, readily accessible, but out

of reach of children. Provision for locking the switch open

(off) is advisable to prevent power from being turned on while

unit is being serviced. Disconnect switch, fuses, and field

wiring must comply with the NEC and local code require-

ments. Use copper wire only between the disconnect

switch and unit. Use minimum 60 C wire for the field power

connection.

Remove the external box cover. Route the low voltage wires

from the outdoor unit to the indoor unit:

1. Place wiring through

in. knockouts on the left or right

hand side of external control box (low voltage side).

2. Connect the R and Y wires to the 2 pin terminal block for

cooling only units (40KMC) and heat pump units

(40KMQ) that are matched to 38HDF outdoor units.

3. Connect the R, Y, O, G, DT, A, and B wires to the

(PGB-1) 1 terminal for 40KMQ indoor units matched

with 38QRF outdoor units.

Route the line power leads from the indoor disconnect to the

fan coil unit.

1. Place wiring through

in. or 1

in. knockouts on the

left and on the right hand side of external control box

(high voltage side).

2. Connect L1 to the black wire and L2 to the red wire using

wire nuts and fix the ground wire between the 2 washers.

See Fig. 27 for a view of the internal control panel. The in-

ternal control panel can be accessed by opening the grille and

removing the metal cover attached by four screws.

NOTE: The internal control panel does not need to be accessed

during the installation process unless there is a need for

service.

Table 6A — 40KMC Fan Coil Electrical Data

LEGEND *Permissible limits of the voltage range at which unit will operate

satisfactorily.

NOTE: In compliance with NEC requirements for multimotor and

combination load equipment (refer to NEC Articles 430 and 440),

the overcurrent protective device for the unit shall be fuse or

equipped with a breaker.

Table 6B — 40KMQ Fan Coil Electrical Data

LEGEND *Permissible limits of the voltage range at which unit will operate

satisfactorily.

NOTE: In compliance with NEC requirements for multimotor and

combination load equipment (refer to NEC Articles 430 and 440),

the overcurrent protective device for the unit shall be fuse or

equipped with a breaker.

Unit cabinet must have an uninterrupted, unbroken electri-

cal ground to minimize the possibility of personal injury if

an electrical fault should occur. This ground may consist of

electrical wire connected to unit ground lug in control com-

partment, or conduit approved for electrical ground when

installed in accordance with NEC, and local electrical

codes. Failure to follow this warning could result in the

installer being liable for the personal injury of others.

Unit failure as a result of operation on improper line

voltage or excessive phase imbalance constitutes abuse and

may cause damage to electrical components. Such opera-

tion would invalidate any applicable Carrier warranty.

Electrical shock can cause personal injury and death. Shut

off all power to this equipment during installation. There

may be more than one disconnect switch. Tag all discon-

nect locations to alert others not to restore power until work

is completed.

40KMC

UNIT

SIZE

V-PH-Hz

VOLTAGE

RANGE*

FAN

CONDENSATE

PUMP

FLA

LOUVER

MOTOR

FLA

POWER

MIN WIRE

SIZE

AWG

Min Max FLA

Motor

Power

(Watts)

MCA MOCP

018 208/230-1-60 187 253 0.55 120 0.06 0.01 0.8 15 14

024 208/230-1-60 187 253 0.50 110 0.06 0.01 0.7 15 14

030 208/230-1-60 187 253 0.95 210 0.06 0.01 1.3 15 14

036 208/230-1-60 187 253 0.95 210 0.06 0.01 1.3 15 14

AWG — American Wire Gage

FLA — Full Load Amps

MCA — Minimum Circuit Amps per NEC Section 430-24

MOCP — Maximum Overcurrent Protection

NEC — National Electrical Code

40KMQ

UNIT

SIZE

V-PH-Hz

VOLTAGE

RANGE*

FAN

CONDENSATE

PUMP

FLA

LOUVER

MOTOR

FLA

ELECTRIC

HEATERS

POWER

MIN

WIRE

SIZE

AWG

Min Max FLA

Motor

Power

(Watts)

kW FLA MCA MOCP

018 208/230-1-60 187 253 0.50 110.0 0.06 0.01 3 12.5 16.3 20 12

024 208/230-1-60 187 253 0.50 110.0 0.06 0.01 3 12.5 16.3 20 12

030 208/230-1-60 187 253 0.95 210.0 0.06 0.01 3 12.5 16.9 20 12

036 208/230-1-60 187 253 0.95 210.0 0.06 0.01 3 12.5 16.9 20 12

AWG — American Wire Gage

FLA — Full Load Amps

MCA — Minimum Circuit Amps per NEC Section 430-24

MOCP — Maximum Overcurrent Protection

NEC — National Electrical Code

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 23 24

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