Toto CST474CEFG, CST764SG, CST474CUFG, CST774SG, CST474CUF Installation Manual
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Warranty Registration and Inquiry
For product warranty registration, TOTO U.S.A. Inc. recommends online warranty registration. Please visit
our web site http://www.totousa.com. If you have questions regarding warranty policy or coverage, please contact TOTO U.S.A. Inc., Customer Service Department, 1155 Southern Road, Morrow, GA 30260
(888) 295-8134 or (678) 466-1300 when calling from outside of U.S.A.
Installation Manual
Manual de Instrucciones
Manuel D’Installation
CST474CEF(G)
CST474CUF(G)
CST764S(G)
CST774S(G)
CST794SF
CST794EF
ENGLISH
TABLE OF CONTENTS
®
Thanks for Choosing TOTO
! ........................................................................................... 2
Before Installation ...............................................................................................................2
Common Tools Needed .................................................................................................... 2
Included Parts ..................................................................................................................... 2
Before Installation ...............................................................................................................3
Installation Procedure ........................................................................................................4
Maintenance Instructions ...................................................................................................7
Care and Cleaning ..............................................................................................................9
Warranty ............................................................................................................................10
Rough-In Dimensions ...................................................................................................... 29
THANKS FOR CHOOSING TOTO!
The mission of TOTO is to provide the world with healthy, hygienic and more
comfortable lifestyles. We design every product with the balance of form and function
as a guiding principle. Congratulations on your choice.
COMMON TOOLS NEEDED
• 10” Adjustable Wrench
• Carpenter’s Level
• Tape Measure
• Flat Screwdriver
• Putty Knife
• Drill
11
/64” drill bit for wood oor installation
-
- 5/16” drill bit for concrete/tile installation
• Bowl Wax Ring
• Closet Flange Mounting Bolts
• Water Supply Line
• Toilet Seat (TOTO Soft Close recommended)
Check to make sure you have all these parts from the package:
a. Bolts (metal) - 2
b. Washers (rubber) -2
c. Washers (metal) - 4
d. Nuts (metal) -4
China Bowl with Lid
Tank Lid
a b
d
c
Top Bolt
Mount Set
(for seat)
INCLUDED PARTS
Tank
Tank to Bowl Gasket
Anchor
(4 pieces)
Cover Plate
(Not for CST794SF/
CST794EF)
(2 pieces)
2
Toilet Mounting
Bolt (T-Bolt)
(2 pieces)
In the Uni Fit Rough-In box:
PVC outlet Connection
T-Bolt Washer
(2 pieces)
T-Bolt Nut
(2 pieces)
Mounting Screw
with Washer
(4 pieces)
ENGLISH
BEFORE INSTALLATION
Read these instructions thoroughly before beginning work.
Please leave instructions for customers. These instruction contain maintenance
and warranty information.
If necessary, remove the existing toilet.
IMPORTANT!
Due to the powerful performance of our Cyclone, G-Max, E-Max and Power Gravity
ushing systems, they are not specied for back-to-back installations. The only
means of installing these toilets in a back-to-back situation is when the toilet drain
connections incorporate a WYE tting. Please contact your builder or contractor prior
to this installation.
Double Combination WYE / 1/8 Bend
YES
Double Sanitary Tee / Sanitary Cross
NO
In order for your new TOTO toilet to fit correctly, check the dimensions below:
1) The distance between
Finished Wall
the finished wall to
the center of the toilet
outlet, rough-in "RI":
Supply
Valve
"RI"
C/L
Closet
Flange
Please make sure that you have the correct outlet connection part:
“RI” Outlet Connection Part No.
TSU01W.12R / TSU03W.12R
12”
(Supplied)
9"
TSU01W.10R / TSU03W.10R
10”
(Optional - Must be purchased separately)
7
"
TSU01W.14R / TSU03W.14R
14”
(Optional - Must be purchased separately)
11"
12” TSU02W.12 (Supplied for CST794SF/CST794EF)
Removing Existing Toilet (if necessary)
1) Turn off water supply
2) Flush the toilet, remove any remaining water from tank and bowl.
3) Disconnect water connector.
4) Remove tank and bowl.
5) Remove old wax seal and mounting bolts.
3
ENGLISH
INSTALLATION PROCEDURE
Install Mounting Bolts
1) Clean any debris out of the closet ange, then install
the mounting bolts into the slots of the ange. The
bolt should be inserted into the slot with its head down
and threaded shank pointed upward (ill. 1)
Install Outlet Connection
2) Drill four 11/64” holes on the oor at
the location shown in the Unifit RoughIn installation instructions found in
the Rough-In box (see Illustration 2).
(5/16” holes are for concrete / tile oor
anchors).
3) Turn the PVC outlet connection upside
down. Firmly press a new wax seal onto
the circular recess around the outlet
opening. Turn the outlet connection
upright and lower it into position over
the closet ange. With the unit properly
aligned, press down firmly to set the
wax seal (see Illustration 3).
CA UTION: Do not move the outlet
connection after the wax seal is set.
4) Insert the washers and thread nuts onto
the mounting bolts and hand-tighten
(see Illustration 4). Then tighten bolts
an additional ½ turn. Secure the back
side of the outlet connection to the
oor using the 4 screws and washers.
Insert the T-bolts into the slots with the
head down and threaded shank pointed
upward.
NO TE: Do not remove the white tie-
wrap from rubber sleeve. Level the
PVC outlet. Do not use excessive
force.
Ill. 2
Ill. 3
Ill. 4
T-Bolts
Slot
2"
Ill. 1
Finished Wall
B
A
Floor
C
Wax Seal
Closet Flange
C/L
Nut
Bolt
4
ENGLISH
INSTALLATION PROCEDURE
Tank to Bowl Mounting
1.
outlet on underside of tank.
2.
3.
inlet in bowl tank shelf.
4.
Place washers on mounting bolts. Support tank and align mounting bolts
through ½" holes in tank base and bowl mount shelf.
Thread on nuts end, hand tighten before releasing the tank.
Tighten nuts evenly until tank sets snug on bowl.
NOTE: Do not grab the
the tank.
Rubber Washer
Brass Washer Brass Nut
Tank-to-Bowl Gasket
Tank
Bowl
Installing Toilet
1.
sure that the spigot outlet of toilet slips into rubber sleeve and T-bolts
2.
Insert washer and thread nuts on to bolts and hand tighten.
3.
Tighten bolts an additional ½ turn.
Install cover plates.
4.
nut
washer
Cover
Plate
WARNING: DO NOT over tighten the nuts, damage to
china or plastic parts may result.
5
spigot outlet
rubber
sleeve
ENGLISH
INSTALLATION PROCEDURE
Connecting Water Line
1) The supply stop should be installed per the
supply stop instruction at the location shown
in the Before Installation section.
2) Flush the water line briey to ensure removal
of debris. Connect exible supply hose to
supply stop.
CAUTION: Hand-tighten only.
3) Open the supply stop, checking for leakage.
Slightly re-tighten if necessary. The water
supply pressure should be 20 to 80 psi static.
Ill. 6
Trim Plate
Water
Inlet
Washer
Coupling
Nut
Flexible
Supply
Hose (not
supplied)
Valve
Nut
Compression
Operation
NOTE: No ballcock / ll valve adjustments are
needed. The water will automatically stop at
proper level.
2) Flush the toilet several times. Check apper
valve for proper operation. Make sure that
chain is not tangled and apper arm is in its
proper position.
3) Install the toilet tank lid onto the toilet tank
top.
4) Install the toilet seat onto the toilet bowl
(see Illustration 7). (Top Mount Bolt Set is
included with the bowl). Insert the rubber
bushing nuts into the bowl seat holes.
NO TE: Remove the existing seat if necessary.
5) Place the seat on the bowl and rotate the
hinge unit into place while holding seat
down on the bowl. Fasten and tighten
the bolt from the top with a screwdriver.
Replace the bolt cap and the lower lid (if
necessary).
Ill. 7
Nipple
Seat Bolt
Valve
Rubber
Brushing
Nut
6
ENGLISH
MAINTENANCE INSTRUCTIONS
Fill Valve Replacement Procedure
1) Shut off the water supply to the toilet.
2) Flush toilet and remove remaining water from tank with a sponge.
3) Remove the water supply connection at the ll valve.
4) Remove old ll valve and use damp sponge to clean hole in tank.
5) Place new ll valve inside tank hole.
6) Thread mounting nut onto ll valve shank and tighten the nut.
NO TE: Do not over-tighten. Be sure to install fill valve in a position that does not
interfere with the trip lever operation.
7) Connect water supply to ll valve shank and hand-tighten only.
NO TE: Do not overtighten. These are plastic parts. Never use pipe dope on any
water supply connection.
8) Attach rell tube to ll valve nipple and clip other end of rell tube to the overow
pipe.
9) Turn water supply ON and check for leaks outside the tank.
NO TE: As water lls the tank, water is also directed into the overow tube via the
rell tube. This additional ow of water is critical to relling your toilet’s bowl.
Once the water stops filling the tank, some residual drops of water may drip
from the ll valve. This is NORMAL as these drops will subside.
Water Level Adjustment
Depending on the manufacturing plant, you may have one of two of the following fill
valves:
Type A
Type B
Type C
For Type A and C Fill Valve:
Refer to the water level (WL) setting marked
on the inner wall of the tank. Allow the water to ll the tank. Turn the adjustment screw
clockwise in the (+) direction to increase the
water level height (see Illustration 1). Turn
the adjustment screw counter-clockwise in
the (-) direction to decrease the water level
height. Flush the toilet to verify the correct
water level. Adjust as necessary.
For Type B Fill Valve:
There are no water level adjustments. The
fill valve has been preset at the factory.
Water Level
Ill. 1
Top of
Overow
Water
Level
7
Tube
ENGLISH
MAINTENANCE INSTRUCTIONS
Servicing the Flush Valve (ST453 Model Tank Only)
1) Turn off water supply and ush the toilet.
Remove the remaining water from tank with a
sponge.
2) Remove the tank lid and place it upside down on
a clean surface.
3) Pull the dip on top of trip lever gear box as
shown.
4) Pull the gear box away and set on the side as
shown.(see Ill. 1 & Ill.2)
5) Rotate and pull up on the ush tower to remove
it (see Ill. 3).
6) Remove the grey rubber seal gasket and rinse
under running water to clean (see Ill. 4).
7) Place the gasket back on the ush tower.
8) Align and place the ush tower into housing and
gently press to snap and lock in place.
9) Replace the trip lever gear box and push down
on lever to lock in place.
10) Carefully install the tank lid back on the tank.
11) Flush the toilet several times making sure the
trip lever operates normally.
12) Check the water level in the tank and inspect for
signs of any leakage.
Ill. 1
Ill. 2
Ill. 3
Ill. 4
8
ENGLISH
MAINTENANCE INSTRUCTIONS
Replacing the Drain Valve
1) Shut off the water supply.
2) Flush the toilet to remove the water inside the
tank.
3) Remove the tank lid and place somewhere safe.
NOTE: Before removing anything from the tank,
note the placement of the drain valve, chain and
refill tube.
4) Unhook the rell tube from the overow tube of
the drain valve.
5) Unhook the chain from the trip lever.
6) Uninstall the tank (refer to the toilet installation
manual).
7) Remove the drain valve body from the tank.
8) Replace the drain valve in the same position as
the former drain valve.
9) Hand tighten the mounting nut of the drain valve
and use a wrench to tighten another 3/4 turn.
10) Reinstall the tank onto the bowl and place the
chain and refill tube the same way as it was for
the former drain valve.
11) Turn the water supply back.
12) Check for any leakage after the tank has been
filled.
ill. 1
Flush Tower
Refill Tube
Drain Valve
ill. 2
CARE AND CLEANING
WARNING!
DO NOT USE IN-TANK BOWLCLEANERS.
The use of high concentration of chlorine or chlorine-related products can seriously
damage fittings in the tank. This damage can cause leakage and property damage.
®
TOTO
shall not be responsible or liable for any tank fitting failure or damage caused
by the use of in-tank bowl cleaners.
9
ENGLISH
WARRANTY
1. TOTO warrants its vitreous china products (“Product”) to be free from defects in materials
and workmanship during normal use when properly installed and serviced, for a period of one
(1) year from date of purchase. This limited warranty is extended only to the ORIGINAL PURCHASER of the Product and is not transferable to any third party, including but not limited to
any subsequent purchaser or owner of the Product. This warranty applies only to TOTO Product
purchased and installed in North, Central and South America.
2. TOTO’s obligations under this warranty are limited to repair, replacement or other appropri-
ate adjustment, at TOTO’s option, of the Product or parts found to be defective in normal
use, provided that such Product was properly installed, used and serviced in accordance with
instructions. TOTO reserves the right to make such inspections as may be necessary in order to
determine the cause of the defect. TOTO will not charge for labor or parts in connection with
warranty repairs or replacements. TOTO is not responsible for the cost of removal, return and/
or reinstallation of the Product.
3. This warranty does not apply to the following items:
a. Damage or loss sustained in a natural calamity such as re, earthquake, ood, thunder,
b. Damage or loss resulting from any accident, unreasonable use, misuse, abuse, negli-
c. Damage or loss resulting from sediments or foreign matter contained in a water system.
d. Damage or loss resulting from improper installation or from installation of the Product in
e. Damage or loss resulting from electrical surges or lightning strikes or other acts which are
f. Damage or loss resulting from normal and customary wear and tear, such as gloss reduc-
g. Tank ushing mechanisms of plastic or rubber moving parts.
h. Toilet seats of plastic, wood or metal.
4. In order for this limited warranty to be valid, proof of purchase is required. TOTO encourages
5. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY HAVE OTHER RIGHTS
6. To obtain warranty repair service under this warranty, you must take the Product or deliver it
WARNING! TOTO shall not be responsible or liable for any failure of, or damage to, this Product caused by either chloramines in the treatment of public water supply or cleaners containing
chlorine (calcium hypochlorite). NOTE: The use of a high concentrate chlorine or chlorine related
products can seriously damage the fittings. This damage can cause leakage and serious property
damage.
THIS WRITTEN WARRANTY IS THE ONLY WARRANTY MADE BY TOTO. REPAIR, REPLACEMENT
OR OTHER APPROPRIATE ADJUSTMENT AS PROVIDED UNDER THIS WARRANTY SHALL BE
THE EXCLUSIVE REMEDY AVAILABLE TO THE ORIGINAL PURCHASER. TOTO SHALL NOT BE
RESPONSIBLE FOR LOSS OF THE PRODUCT OR FOR OTHER INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR EXPENSES INCURRED BY THE ORIGINAL PURCHASER, OR FOR
LABOR OR OTHER COSTS DUE TO INSTALLATION OR REMOVAL, OR COSTS OF REPAIRS BY
OTHERS, OR FOR ANY OTHER EXPENSE NOT SPECIFICALLY STATED ABOVE. IN NO EVENT
WILL TOTO’S RESPONSIBILITY EXCEED THE PURCHASE PRICE OF THE PRODUCT. EXCEPT TO
THE EXTENT PROHIBITED BY APPLICABLE LAW, ANY IMPLIED WARRANTIES, INCLUDING THAT
OF MERCHANTABILITY OR FITNESS FOR USE OR FOR A PARTICULAR PURPOSE, ARE EXPRESSLY DISCLAIMED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS, OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION AND EXCLUSION MAY NOT APPLY TO YOU.
electrical storm, etc.
gence, or improper care, cleaning, or maintenance of the Product.
a harsh and/or hazardous environment, or improper removal, repair or modification of the
Product. (NOTE: Product model codes allow a maximum of 80 PSI. Check local codes or
standards for requirements).
not the fault of TOTO or which the Product is not specified to tolerate.
tion, scratching or fading over time due to use, cleaning practices or water or atmospheric
conditions.
warranty registration upon purchase to create a record of Product ownership at http://www.
totousa.com. Product registration is completely voluntary and failure to register will not diminish your limited warranty rights.
WHICH VARY FROM STATE TO STATE, PROVINCE TO PROVINCE OR COUNTRY TO COUNTRY.
prepaid to a TOTO service facility together with proof of purchase (original sales receipt) and a
letter stating the problem, or contact a TOTO distributor or products service contractor, or write
directly to TOTO U.S.A., INC., 1155 Southern Road, Morrow, GA 30260 (678) 466-1300 or (888)
295-8134, if outside the U.S.A. If, because of the size of the Product or nature of the defect, the
Product cannot be returned to TOTO, receipt by TOTO of written notice of the defect together
with proof of purchase (original sales receipt) shall constitute delivery. In such case, TOTO may
choose to repair the Product at the purchaser’s location or pay to transport the Product to a
service facility.
10
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