beautypg.com

Warning – Carrier 50TC User Manual

Page 12

background image

12

C10012

Fig. 19 -- Conduit into Single Point Box

If the field disconnect is larger than 100A, it must be

attached to the unit using accessory CRDISBKT001A00

— disconnect switch bracket — (see Fig. 20). Follow the

instructions provided with this accessory. For smaller field

disconnects, be sure to use

1

/

2

” screws to mount the

disconnect directly to the end panel, following the

instructions on the Field Disconnect Warning label (see

Fig. 21). In either case, set the disconnect vertical location

on the unit so that a 90_ fitting can be used to connect the

conduit to the disconnect.

C10853

Fig. 20 -- Mounting Position for Field Disconnects

(over 100A)

C10854

Fig. 21 -- Mounting Position for Field Disconnects

(up to 100A)

Field power wires are connected to the unit at line--side

pressure lugs at the main terminal block (TB1) or at

factory--installed option non--fused disconnect switch.

Max wire size is #2 AWG (copper only). (See Fig. 23)
NOTE: TEST LEADS -- Unit may be equipped with
short leads (pigtails) on the field line connection points off

the optional disconnect switch. These leads are for factory
run--test purposes only; remove and discard before
connecting field power wires to unit connection points.
Make field power connections directly to line connection
pressure lugs only.

FIRE HAZARD

Failure to follow this warning could result in

intermittent operation or performance satisfaction.
Do not connect aluminum wire between disconnect

switch and air conditioning unit. Use only copper

wire. (See Fig. 22.)

!

WARNING

COPPER

WIRE ONLY

ELECTRIC

DISCONNECT

SWITCH

ALUMINUM

WIRE

A93033

Fig. 22 -- Disconnect Switch and Unit

50TC

--

*16