Kohler K-1257-VBR-96 Installation Guide download pdf (Page 13)

7. Install the Control Ampliﬁer

WARNING: Risk of electric shock. Connect the control ampliﬁer to a properly grounded,

grounding-type receptacle protected by a Ground-Fault Circuit-Interrupter (GFCI) or Residual

Current Device (RCD). Do not remove the grounding pin from the plug or use a grounding adapter.

Remove the control ampliﬁer from the box. Do not remove the mounting bracket from the control

ampliﬁer.

IMPORTANT! Keep insulating materials away from the control ampliﬁer. Provide an unobstructed air

space around the control ampliﬁer to permit cooling.

With the control ampliﬁer located ﬂush or recessed from the studs, use the wood screws provided

to secure the control ampliﬁer to the framing. You can also use the anchors provided to secure the

control ampliﬁer to a ﬁnished wall material other than wood.

NOTE: To make wiring connections more accessible, temporarily secure the control ampliﬁer with one

screw on each side. This allows the control ampliﬁer to tilt forward, making the wiring connections more

accessible. Secure the control ampliﬁer with the remaining screws once wiring connections are made.

Remove the cover from the control ampliﬁer by removing the four screws. Retain for reinstallation.

NOTE: The transducer terminals and wires are numbered to identify the correct connections. When

required, the control ampliﬁer can be removed to aid in the wire connection process.

Securely attach the transducer wires to the transducer terminals - the white with black wires are the

positive (+) leads.

If equipped, connect the optional chromatherapy connector to the chromatherapy terminal.

Connect the user interface connector to the user interface terminal.

If used, connect the optional auxiliary-in RCA connectors to the auxiliary-in terminals.

Reinstall the cover to the control ampliﬁer, and secure with the four screws.

Plug the control ampliﬁer into the electrical outlet.

Auxiliary In

Chromatherapy

User Interface

Screws

Alternate Holes

Transducer Wiring

Screws

Control

Amplifier

Cover

Grounded Outlet

Kohler Co. 13 1188012-2-C

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Kohler K-1257-VBR-96 Installation Guide Page 13