Warning, Make electrical connections – Whirlpool GOLD W4GH6 User Manual

Page 9

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9

Suction Line Sizes

Installations exceeding 100 ft are not recommended.

Liquid Line Sizes

Installations exceeding 100 ft are not recommended.

Make Electrical Connections

IMPORTANT:

Electrical wiring, disconnect means and over-current
protection are to be supplied by the installer. Refer to the
rating plate for the maximum over-current protection,
minimum circuit ampacity, and operating voltage. See wiring
diagrams later in this section.

Install an adequately-sized branch circuit disconnect,
according to the NEC, within sight of and readily accessible
from heat pump.

The cable or conduit and fittings connected from the
disconnect to the heat pump shall be rated for outdoor use.

Single Phase Electrical Connections

Refer to “Wiring Diagram—Single Phase 208/230 Volt.”

1. Disconnect power.

2. Remove control box cover.

3. Connect the field supply wires L1 and L2 to contactor

terminals L1 and L2.

Btu/h

Line Set Size (in. OD)

24,000

³⁄₄

³⁄₄

³⁄₄

36,000

⁷⁄₈

⁷⁄₈

⁷⁄₈

48,000

⁷⁄₈

⁷⁄₈

⁷⁄₈

60,000

1

¹⁄₈

1

¹⁄₈

1

¹⁄₈

Line Set Length

Less than
25 ft

25 ft

Over 25 ft and
up to 50 ft

Btu/h

Line Set Size (in. OD)

24,000

³⁄₈

³⁄₈

³⁄₈

36,000

³⁄₈

³⁄₈

³⁄₈

48,000

³⁄₈

³⁄₈

³⁄₈

60,000

³⁄₈

³⁄₈

³⁄₈

Line Set Length

Less than
25 ft

25 ft

Over 25 ft and
up to 50 ft

WARNING

Rating Plate Ampacity

Less than 15

16 - 20

21 - 30

AWG

14

12

10

8

31 - 50

Electrical Shock Hazard

Electrically ground condensing unit or heat pump.

Connect ground wire to ground lug.

Use copper wire for supply connection.

Correct wire gauge is shown in the chart below.

Failure to follow these instructions can result in
death or electrical shock.

WARNING

Electrical Shock Hazard

Disconnect power before servicing.

Replace all parts and panels before operating.

Failure to do so can result in death or electrical shock.

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