Kohler K-402 Manual de usuario
Installation Guide
Thermostatic Mixing Valve
Mproduct numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de
Mcorresponden a México (Ej.
K-12345M)
Français, page“ Français-1”
Español, página“ Español-1”
K-402
1021063-2-C
Tools and Materials
Thank You For Choosing Kohler Company
We appreciate your commitment to Kohler quality. Please take a few
minutes to review this manual before you start installation. If you
encounter any installation or performance problems, please don’t
hesitate to contact us. Our phone numbers and website are listed on
the back cover. Thanks again for choosing Kohler Company.
Before You Begin
DANGER: Risk of scalding or other severe injury. Before
completing installation, the installer must set the maximum
water temperature setting of this valve to minimize the risks
associated with scalding hazards according to ASTM F 444.
CAUTION: Risk of scalding. This device has been calibrated at
the factory to ensure a safe maximum water temperature. Any
variance in settings or water inlet conditions from those used
during factory calibration may raise the discharge temperature
above the safe limit, and may present a scalding hazard.
Responsibility for installation and adjustment of this device in
accordance with these instructions lies with the installer.
CAUTION: Risk of product damage. This valve contains plastic
and rubber components. Do not sweat or braze directly to the
valve body. Do not apply excessive heat to the valve body when
you make solder connections. Do not apply flux or acids directly
to the valve, as damage to the seals, plastic components, and
trim finish may result.
Pipe
Wrench Adjustable
Wrench Strap
Wrench Hacksaw or Tubing Cutter
Propane
Torch
Solder
Hex
Wrench
Thread
Sealant
Plumbers
Putty
Assorted
Screwdrivers Thermometer
1021063-2-C 2 Kohler Co.
Before You Begin (cont.)
CAUTION: Risk of product damage. Do not apply
petroleum-based lubricants to the valve components, as damage
may result.
Shut off the main water supply.
Observe all local plumbing and building codes.
Inspect the waste and supply piping for damage. Replace as
necessary.
The bottom port of the thermostatic mixing valve is intended for
use as a bath filler only. If a bath spout is not used with this
product, cap the bottom port.
The thermostatic mixing valve cartridge does not contain an
integral volume control/shut-off valve. You must install a
separate volume control/shut-off valve (K-406) downstream of
any valve outlet that does not have an integral shut-off valve. The
K-400 and K-402 thermostatic mixing valves require separate
volume control/shut-off valves downstream of each mixing valve
outlet.
The K-401 and K-404 thermostatic mixing valves contain a single
volume control shut-off valve for controlling the water flow
through the shower outlet. When plumbing to the valve’s bath
outlet, you must install a separate volume control shut-off valve
(K-403) downstream from the bath outlet.
The K-402 and K-404 thermostatic mixing valves do not have an
integral aspirator. For installations that use a bath diverter spout,
you must install a twin ell (K-9663) with integral aspirator
between the valve and the bath spout. If these thermostatic
mixing valves are installed without an aspirator it will cause
water to flow from the shower and bath spout at the same time.
Determine the correct drain size and capacity for your
installation. If two thermostatic mixing valves are used together,
water flow volumes between 16 and 24 gpm (61 and 91 lpm) or
more are possible, depending upon the water supply pressure.
Determine the correct water heater size and capacity for your
installation. A typical shower installation uses an approximate
mix of 75% hot water and 25% cold. A custom shower application
using three 2-1/2 gpm (9.5 lpm) showerheads can use about 45
gallons (170 liters) of hot water in 8 minutes. Choose a water
heater large enough for your installation.
Kohler Co. 3 1021063-2-C
Before You Begin (cont.)
The valve is calibrated to 104° F (40° C) at the first stop position,
and the maximum temperature limit stop is positioned so the
outlet water temperature does not exceed 120° F (49° C).
Factory calibrated inlet conditions are: Hot and cold water
pressure = 43-1/2 psi (3 kg/cm) Hot water supply temperature
= 149° F (65° C) Cold water supply temperature = 59° F (15° C).
If inlet conditions differ from those used during factory
calibration, it may be necessary to re-calibrate the valve after
installation. The installer must check the mixed flow
temperature after installation, and adjust the valve as needed
according to the instructions.
This valve complies with ASME A112.181M, ASSE 1016, and CSA
B125. The valve is listed with ASSE, CSA, and IAPMO/UPC.
Kohler Co. reserves the right to make revisions in the design of
products without notice, as specified in the price book.
1021063-2-C 4 Kohler Co.
1. Composite Layout
A.
K. Showerhead
A.
B.
B. C. D.
E.
F.
G.
H.
I.
J.
K.
B.
To
Showerhead
From Volume-Controlled
Supply
K-402 Thermostatic Mixer and
K-T9494 Trim
B. K-406 Volume Control and
K-T9472 Trim
C. K-9663 Twin Ell (For use with Bath
Diverter Spout)
E. Fixed Showerhead or Handshower
I. Pressure Loop with Bodysprays
F. K-9660 Vacuum Breaker (for use with
Handshower)
H. K-407 3-Way Transfer Valve and K-
T9518 Trim
J. K-404 Thermostatic Mixer with Volume
Control and K-9493 Trim
D. Bath Spout with Diverter
G. Bath Spout
Kohler Co. 5 1021063-2-C
2. Framing and Rough Plumbing Installation
5-7/16" (13.8 cm)
Stop
Stop
Roughing-In for K-402-K
5-7/16" (13.8 cm)
4" (10.2 cm)
4-1/4" (10.8 cm)
4-1/2" (11.4 cm)
Stop
Stop
4-7/8" (12.4 cm)
Roughing-In for K-404-K
1/2" NPT
Hot Inlet
1/2" NPT Shower
Outlet
1/2" NPT
Bath
Outlet
1/2" NPT
Cold Inlet
1-3/4"
(4.4 cm)
3-1/2"
(8.9 cm)
1-7/16"
(3.7 cm) 2-3/4"
(7 cm) 5/8"
(1.6 cm)
Finished
Wall
Finished
Wall
1-9/16"
(4 cm) To
2-1/4"
(5.7 cm)
4" (10.2 cm)
4-7/8" (12.4 cm)
4-1/4" (10.8 cm)
1/2" NPT
Shower
Outlet
1/2" NPT
Hot Inlet
Volume Control
(One Included)
1/2" NPT
Bath
Outlet
1-7/16"
(3.7 cm)
1-1/4"
(3.2 cm)
1-3/4"
(4.4 cm)
2-3/4"
(7 cm)
1/2" NPT
Cold Inlet
3-3/16"
(7.8 cm)
6-3/16"
(15.7 cm)
5/8"
(1.6 cm) 3-15/16"
(10 cm)
1-9/16" (4 cm) to
2-1/4" (5.7 cm)
3-1/2"
(8.9 cm)
5/8"
(1.6 cm)
1021063-2-C 6 Kohler Co.
Framing and Rough Plumbing Installation (cont.)
Determine the desired location for the valve according to the
rough-in information, and construct suitable stud and support
framing.
Use 1/2″nominal copper tubing and fittings throughout this
installation. Smaller diameter piping upstream or downstream of
the valve will reduce performance of the valve.
Kohler Co. 7 1021063-2-C
3. Install the Valve
CAUTION: Risk of product damage. This valve contains plastic
and rubber components. Do not sweat or braze directly to the
valve body. Do not apply excessive heat to the valve body when
you make solder connections. Do not apply flux or acids directly
to the valve or you may damage the seals and plastic
components.
CAUTION: Risk of product damage. Do not apply
petroleum-based lubricants to the valve components or damage
may result.
NOTE: A plaster guard is attached to the face of the mixing valve
with two screws. Do not remove it until instructed.
Flush the hot and cold water supply lines to remove any debris.
Install water hammer arrestors in the hot and cold water supply
lines.
K-401
K-400
Cold Water
Supply Line
Cold Water
Supply Line
Hot Water
Supply Line
Hot Water
Supply Line
1-9/16" (4 cm) Min.
2-1/4" (5.7 cm) Max.
11/16"
(1.7 cm)
Finished
Wall
Plaster
Guard
1021063-2-C 8 Kohler Co.
Install the Valve (cont.)
Use thread sealant and connect the 1/2″hot and cold water
supply lines to the valve inlet ports. The inlet ports are marked
″HOT″and ″COLD″so make certain that the corresponding water
supply lines are connected to the correct inlet ports.
For K-401 and K-404 valves, make certain that the integral
volume control/shut-off valve portion of the assembly is on top
when installed.
Connect the water outlet lines to the valve ports. Install a 1/2″
plug in any unused outlet port.
IMPORTANT! Secure the piping to the framing.
Use the plaster guard to determine the depth of the valve in the
wall, and to trace the cut-out line in the wall material. The
finished wall must be within the MIN.-MAX. depth shown on the
plaster guard.
Provide a 3-1/2″(8.9 cm) to 3-3/4″(9.5 cm) diameter hole in the
rough wall for the plaster guard.
Route the 3/4″mixed water supply line to the transfer valve
location.
Apply thread sealant to the inlet port threads and connect the
water supply to the transfer valve inlet.
Kohler Co. 9 1021063-2-C
4. Complete the Valve Installation
WARNING: Risk of personal injury. Do not turn the
thermostatic mixing valve stem after you adjust the temperature
setting until you install the mixing handle trim. This device has
been calibrated at the factory to ensure a safe, maximum water
temperature. Any variance may raise the discharge temperature
above the safe limit and present a scalding hazard.
Complete the finished wall.
Volume
Control/Shut-off
Valve
Cold Water
Supply Line
Cold Water
Supply Line
Mixing
Valve Stem
Hot Water
Supply Line
Hot Water
Supply Line
1021063-2-C 10 Kohler Co.
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