Opening And Closing The Electrical; Component Box; Power Wiring - Carrier 38VMH072 Series Installation And Maintenance Instructions Manual

Table 18 — 38VMAH Electrical Data
SUPPLY
VOLTAGE
38VMAH UNIT
POWER
SIZE
SUPPLY
(V-Ph-Hz)
072
096
208/230-3-60
120
144
072
096
460-3-60
120
144
LEGEND
— Minimum Circuit Amps
MCA
MOPD — Maximum Overcurrent
Protective Device
* S e le ct wire s ize ba s e d on la rge r va lue of MCA.

OPENING AND CLOSING THE ELECTRICAL

COMPONENT BOX — Open and close the electric control
box cover as shown below. Do not apply excessive force to the
cover.
Use a screwdriver to unscrew the screw a short distance but
do not remove the screw, as shown in Fig. 27.
Fig. 27 — Removing Screws From the Panel
While holding the cover plate from the bottom, lift it
slightly so that the screws clear their keyholes, and then tilt it
outwards and remove as shown in Fig. 28 and 29.
Fig. 28 — Lift the Cover Plate Up
POWER SUPPLY
MCA* MOPD
45 50
46 50
46 50
70 80
22 30
25 30
25 30
33 40
Fig. 29 —Remove the Cover Plate
POWER WIRING — Installation of wiring must conform
with local codes and with NEC ANSI/NFPA 70, current
editions. Units must be electrically grounded in conformance
with the code. In Canada, wiring must comply with CSA
C22.1, Electrical Code.
Figure 30 below shows the location of the outdoor units
power terminal block.
Fig. 30 — Outdoor Unit Power Terminal Block
After selecting the power wire, strip a suitable length of
insulation and attach the ring terminal using the proper
crimping tool. Use the ring terminals provided to connect the
power wiring as shown in Fig. 31.
Fig. 31 —Stripping and Attaching the Power Wire
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