Toto Indoor Furnishings TMT1HNCR User Manual

®
INSTALLATION INSTRUCTIONS  
Toilet Flushometer Valve TMT1HNCR  
Toilet Flushometer Valve TMW1HNCR  
Toilet Flushometer Valve TMU1HNCR  
LIMITED WARRANTY  
TOTO warrants its products to be made of first class materials, free from defects in material or workmanship,  
under normal use, and to perform the service for which they are intended in a thoroughly reliable and  
efficient manner when properly installed and serviced, for a period of three years from the date of purchase.  
During this period TOTO will, at its option, repair or replace any part, or parts, which prove to be thus  
defective if returned to TOTO, at the customer’s cost, and this shall be the sole remedy available under this  
warranty. No claims will be allowed for labor, transportation, or other incidental costs.This warranty extends  
only to persons or organizations who purchase TOTO’s products directly from TOTO for the purpose of  
resale.  
THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE  
HEREOF. IN NO EVENT IS TOTO RESPONSIBLE FOR ANY CONSEQUENTIAL DAMAGES OF ANY  
MEASURE WHATSOEVER.  
 
Hand tighten the spud nut and vacuum breaker tube nut to the fixture and flushometer valve. Align and plumb  
the valve assembly. Tighten the fixture spud nut, vacuum breaker tube nut, and lock nut with a wrench.  
5.  
6.  
Before the water supply is turned on, be sure all  
stop valves to the flush valves are closed off tightly.  
The stop valves can be opened and closed by  
using the adjustment screw located at the center  
of the stop valve cap G, behind the adjustment  
screw cover if already installed. Stop valve ad-  
justments can only be made by using the adjust-  
ment screw. If for any reason, it becomes neces-  
sary to remove the stop valve cap G, be certain  
that the water is shut off at the main supply valve.  
For new installations, we recommend the follow-  
ing steps:  
Shut off stop valve and remove flushometer cover.  
Lift out the piston valve. Install the flushometer  
cover and open the stop valve to flush the line of  
any debris and sediment.  
6a.  
7.  
After completion, shut off the stop valve, remove  
the flushometer cover and reinstall the piston  
valve. Reinstall the flushometer cover securely.  
Open the stop valve and activate the flushometer  
valve.  
Flushometer valves are preset for fixture volume  
as marked on the valve cartons. The valve does  
not require adjustment for variations in water  
pressure within its operating range. To set the  
flushometer valve for proper operation, open the  
stop valve completely by turning the adjustment  
screw and flush the Flushometer valve several  
times. Gradually adjust the stop valve down, us-  
ing the adjustment screw, so that the rate of wa-  
ter flow into the fixture is not excessive, yet is  
sufficient to adequately evacuate the waste.The  
final setting for urinals should be such that the  
fixture will not overflow when the valve is actu-  
ated several times in succession.  
The stop cap screw cover should be replaced  
and tightly secured after final adjustments have  
been made.  
8.  
 
Specifications  
Flush volume: TMT1HNCR – 6.0LPF (1.6GPF) TMW1HNCR – 13.3LPF (3.5GPF) TMU1HNCR – 3.8LPF (1.0GPF)  
Protect the Chrome or Special finish of the flushometer. DO NOT USE TOOTHED TOOLS TO INSTALL OR SERVICE THE VALVE.  
Sweat Solder Adapter Installation Instructions  
Step No. 1  
Step No. 2  
Step No. 3  
Slide threaded adapter onto supply pipe  
until shoulder stops on end of pipe. Then  
sweat-solder the adapter to water supply pipe. chrome tube this length X.  
Measure from finished wall to first thread  
of adapter for length of chrome tube. Cut  
Measure distance from finished wall to center line of  
fixture spud; cut water supply pipe 1-1/4shorter  
than this measurement. Chamfer O.D. and I.D.  
OF FIXTURE  
SPUD  
C
1
1
/ "  
4
WATER SUPPLY PIPE  
FINISHED WALL  
'x'  
SWEAT ADAPTER  
Step No. 4  
Step No. 5  
Slide wall escutcheon over chrome  
tube and slide both chrome tube and  
wall escutcheon over supply pipe  
pushing the wall escutcheon all the  
way to the wall.  
Screw control stop onto water  
supply pipe adapter.  
CHROME TUBE  
CONTROL  
STOP  
WALL ESCUTCHEON  
FINISHED WALL  
Troubleshooting Guide  
PROBLEM  
CAUSE  
SOLUTION  
Valve will not operate.  
Valve doesnt shut off.  
Water supply is shut off.  
Dirt in Piston bypass hole.  
Turn on water supply and open control stop.  
Clean bypass hole (unplug) by inserting a small wire.  
Clean valve seat and clean piston.  
replace seat seal if needed.  
Dirt or debris at valve seat or sealing-area.  
Not enough water to fixture.  
Wrong flushometer valve unit  
installed.  
Check fixture requirements.  
Install proper flushometer valve unit.  
Control stop improperly adjusted.  
Adjust control stop  
.
Piston is damaged.  
Replace Piston.  
Piston Stroke is too short.  
Turn Piston Adjustment Screw counter-clockwise.  
Too much water for fixture;  
noisy flush.  
Wrong flushometer valve unit  
installed.  
Check fixture requirements.  
Install proper flushometer valve unit.  
Control stop improperly adjusted.  
Piston Stroke is too long.  
Adjust control stop by turning the screw clockwise.  
Turn Piston Adjustment Screw clockwise.  
Lever assembly leaks.  
Lever nut is loose.  
Tighten nut.  
Fiber washer is damaged.  
U-packing is dirty.  
Replace washer.  
Disassemble lever & clean U-packing.  
Bypass Hole  
®
U.S, Subsidiary: TOTO U.S.A., Inc. 1155 Southern Road, Morrow, GA 30260  
Tel. (800) 877-1541 Fax (770) 961-9646 Printed in the U.S.A. by TOTO LTD. 12/01  
 

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