Kohler K-852-HB-0 Installation Guide download pdf (Page 9)

8. Mount the Pump in Custom Location

Remove all protective packaging from around the whirlpool harness. Cut only those cable ties

supporting the harness attachment nuts.

Remove the plugs from the pump inlet and outlet openings. Install the supplied gasket in the

connection where the heater and pump join. Install the supplied O-rings/gaskets into the grooves

on the inlet and outlet connector ﬁttings.

Position the pump and control into place. Be sure the rubber isolation feet remain in place.

Thread the plastic inlet and outlet attachment nuts onto the heater and/or pump until the

O-rings/gaskets make initial contact.

Tighten each nut no more than another quarter of a turn. Do not use a wrench or overtighten these

nuts, as damage or leaks may result.

Make sure the whirlpool harness piping is pitched correctly (down and away) to promote the

drainage of water from the pump through the suction ﬁtting. The pump should rest on the same

subﬂoor, at the same level as the whirlpool feet. Shim the pump if necessary on the subﬂoor, but

only high enough to allow water to drain out of the suction line when the whirlpool is drained.

NOTE: Do not shim the pump more than 1/4″ (6 mm). Raising the pump too high will prevent the pump

from priming properly.

If your heater was already installed in the custom location, simply plug the heater cord into the

heater connection on the control by aligning the pins and pressing it into place.

Locate the solid copper 8-gauge bonding wire, which has been secured to the bracket upon which

the pump has shipped. Feed this bonding wire back to the pump and control, in the custom

location, and connect to one of the open bonding lugs on the control box. This is necessary to bond

any metal back to the grounding source.

Make sure the wiring from the bath-mounted user keypad is connected to the wiring harness on the

control.

9. Install the Plumbing

CAUTION: Risk of property damage. Ensure a watertight seal on the whirlpool drain.

Connect the drain to the trap according to the drain manufacturer’s instructions.

NOTICE: An access panel will simplify future maintenance.

Install the faucet valving according to the faucet manufacturer’s instructions. Do not install the

faucet trim until instructed. Open the hot and cold water supplies, and check the supply

connections for leakage.

Relocate

Pump

Install O-rings

and/or gaskets

(supplied) into the

grooves of the

connector fittings.

Install gasket where

heater and pump join.

Make sure the water intake

pipe is pitched down and

away from the pump.

Wiring harness

Heater connection

User Keypad

Correct

Incorrect

When installing the pump, be sure to

remove the plugs from the inlet and

outlet piping.

Provide access to the

installed pump for servicing.

Kohler Co. 9 1019436-2-F

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Kohler K-852-HB-0 Installation Guide Page 9

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