Kohler K-3901-0 Installation Guide download pdf (Page 8)

1. Prepare the Site

WARNING: Risk of electric shock. Disconnect power before installation or servicing.

WARNING: Risk of electric shock. Connect only to a properly-grounded, grounding-type

receptacle which is protected by a 120 V, 15 A minimum, 60 Hz Ground-Fault Circuit-Interrupter

(GFCI) or Residual Current Device (RCD). Do not remove the grounding pin or use a grounding

adapter.

WARNING: Risk of electrical shock. For hardwire installations/through-ﬂoor electrical supply:

Connect only to a properly-grounded, dedicated circuit protected by an Class A Ground-Fault

Circuit-Interrupter (GFCI) or Residual Current Device (RCD).

NOTE: The electrical outlet and water supply may also be located behind the toilet. If it is located behind

the toilet, the water supply stop must extend no more than 3″ (76 mm) beyond the ﬁnished wall. If located

behind the toilet, the supply stop must be a model that connects at a 90° angle. The handle should be

easily accessible.

NOTE: Locating the supply stop behind the toilet will make it difficult to remove the back panel. It may

be necessary to remove the toilet to service items behind the back panel if the supply stop extends more

than 3″ (76 mm) from the wall.

Install the Remote Control

NOTE: If the K-7421 standard remote control is included with your model, no cord is required.

Install the remote control docking station now following the installation instructions supplied with

the remote control.

Install the Water Supply

(152 mm)

12" (305 mm) From

Finished Wall

Recommended,

11-3/4" (298 mm) Min

Supply Stop

Floor Flange

GFCI/RCD

Protected

Receptacle

3" (76 mm) Max

When Located

Behind Toilet

(102 mm)

K-7420 Premium

Dock Power Cord

(not required

for K-7421)

2" (51 mm)

Ø 1-1/2" (38 mm)

Water Supply Hole

(for through-the-floor

installations only)

Ø 1-1/4" (32 mm)

Power Supply Hole

(for through-the-floor

installations only)

2-5/8"

(67 mm)

1-5/8"

(41 mm)

8" (203 mm)

1212876-2-B 8 Kohler Co.

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Kohler K-3901-0 Installation Guide Page 8

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