LEONARD TM-600 Thermostatic Water Mixing Valve Systems Instruction Manual
- June 16, 2024
- LEONARD
Table of Contents
INSTALLATION SETUP AND OPERATING INSTRUCTIONS
THERMOSTATIC WATER MIXING VALVE SYSTEMS
TYPE TM-600, TM-600-LF, TM-650, TM-800, TM-800-LF, TM-850, TM-850-LF
TM-5100, TM-5100-LF, TM-5125, TM-5125-LF
TM-600 Thermostatic Water Mixing Valve Systems
IMPORTANT! Provide valve serial number, (stamped on valve cover) when
ordering parts!!
Bulletin G-4
January, 2015
TM-600, TM-600-LF, TM-800, TM 800-LF, TM-5100, TM-5100-LF TM-650, TM-850,
TM-850-LF
TM-5125, TM-5125-LF
INSTALLATION
Valve should be installed at a location where it can easily be cleaned,
adjusted or repaired.
The inlets are clearly marked on the valve body casting. Connect the hot water
into the inlet marked “HOT” and cold water into the inlet marked “COLD.” These
are NOT to be confused with the “C-H” markings on the front cover.
Union angle strainer checkstops furnished must be installed on both supply
lines as shown above.
Use solder or pipe cement sparingly. Supply pipes should be flushed before the
valve is connected. Flush outlet pipe and valve as soon as it is connected.
Maximum Operating Pressure 125PSI (860 KPA) for Hot and Cold Water.
NOTE: It may be necessary to recirculate the tempered water to the
face/eyewash/drench shower should the piping be exposed to excessive hot or
cold conditions. Consult factory for proper piping.
CAUTION
REMEMBER! THIS IS A CONTROL SYSTEM WHICH MUST BE CLEANED AND MAINTAINED
ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND RECORD MGR-1000).
IMPORTANT! These systems are designed to provide mixed water from 60 to
90°F (15 to 32°C) for emergency shower applications only. Call Leonard for
systems designed to operate at temperatures outside of this range.
1360 Elmwood Avenue, Cranston, RI 02910 USA
Phone: 401.461.1200 Fax: 401.941.5310
Email: [email protected]
Web Site: http://www.leonardvalve.com
ADJUSTMENT AND SERVICE
Leonard Type TM Thermostatic Water Mixing Valves are simple in design and may
be easily cleaned, adjusted and repaired. If the installation is accessible,
servicing may be completed without disconnecting the valve.
NOTE: Thermostatic Water Mixing Valves are REGULATING mechanisms, which
must be regularly maintained to provide best performance. Frequency of
cleaning depends on quality of local water conditions and usage. (See
Maintenance Guide and Record GR1000 and ANSI 358.1).
TO RESET ADJUSTABLE HIGH TEMPERATURE LIMIT STOP:
- Loosen LTR set screw.
- Remove SNAP CAP, SCREW & WASHER. Remove POINTER.
- Temporarily place POINTER on the spline rod, turn HANDLE to the left, allow cold water to flow. Slowlyadjust handle to the right to required maximumtemperature. (Temperatures above 90ºF are notrecommended on Emergency equipment, consultmedical advisor for correct temperature settings).
- Replace POINTER on the spline rod so that its RIGHTedge is resting against the STOP SCREW located onthe RIGHT SIDE OF THE COVER.
- The new maximum temperature has now been set. Testthis temperature by holding a thermometer under the flow of water to be certain it is as desired.
WARNING
WARNING! This Thermostatic Mixing Valve has an adjustable high
temperature limit stop which must be checked. If temperature is too high, the
installer MUST RESET stop immediately. Always check the temperature of the
mixed water when the lever andle is turned to full HOT. If the Emergency
Drench equipment is a combination type, the water temperature must be checked
at each outlet (FACE/EYEWASH /SHOWER) location independently, Excessively hot
water is DANGEROUS AND MAY CAUSE
SCALDING!
Consult medical advisor for correct temperature setting.
The high temperature limit stop is factory set at approximately 90°F (32.2°C)
with an incoming hot water supply temperature of 150°F (65°C). If the incoming
hot water on the job is higher than 150°F, the valve when turned to full hot
will deliver water in excess of 90°F and the high temperature limit stop MUST
BE RESET BY THE INSTALLER.
TROUBLESHOOTING INSTRUCTIONS
PACKINGS & GASKETS| Leak at pointer rod.
Leak between valve cover and base| TM-600, 650, 800, 850
REPAIR KIT 1/50M| TM-5100, 5125
REPAIR KIT 1/125M
---|---|---|---
PORT SLEEVE ASSEMBLY| Valve delivers either all hot or all cold
water, or will not mix consistently.| REPAIR KIT TGM-1/50M or REPAIR KIT
R/50M| REPAIR KIT TGM-1/125M or REPAIR KIT R/125M
THERMOSTAT GROUP| After cleaning or replacing port sleeve
assembly, valve will not hold temperature.| REPAIR KIT TGM-2/50 or
REPAIR KIT R/50M| REPAIR KIT TGM-2/125 or REPAIR KIT R/125M
CHECKSTOPS| Hot water bypass into cold line. Supplies cannot be
shut off completely. Leak at checkstop bonnet.| REPAIR KIT 2/50M| ****
REPAIR KIT 2/50M
SEE PAGE 5 FOR COMPLETE PARTS BREAKDOWN, AND PARTS KITS
If installed on a circulated hot water system, make certain the valve is piped
according to Leonard Required Methods of Piping (see page 3).
REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND MAINTAINED ON A
REGULAR BASIS. (SEE MAINTENANCE GUIDE AND RECORD, MGR-1000).
REQUIRED METHOD OF PIPING TM VALVES
METHOD #1
Required when hot water is to be circulated to a thermostatic mixing valve,
which is a substantial distance from the hot water source. Recommended Hot
Water Inlet Temperature 140ºF (60ºC).
The TM-650, 850 &
5125 Redundant Thermostatic Mixing Valve has been factory set at 90°F (32°C).
This set point can be field adjusted with a 3/8” wrench (see diagram).
”Clockwise” direction will increase temperature. Maximum set point is 100°F
(38°C). Consult medical advisor for correct temperature setting. As a
secondary level of protection, in the event of redundant valve failure,
installing contractor may wish to prevent cold water contamination by
installing a swing check valve on the cold water supply to the valve (only
needed on TM-650, 850, and 5125).
This unit must be cycled each time the emergency equipment is checked. (See
ANSI Z358.1,
Maintenance and Training section).
Cycle redundant thermostatic valve by loosening thepointer set screw and set
the primary thermostaticmixing valve to full hot. (TM-650, TM-850, TM-
5125only).
Open drench or combination emergency shower and allow temperature to reach the
set point. Temperaturewill drop when secondary valve opens to cool output.
Turn primary thermostatic valve to full cold and waitten seconds, this will
close secondary valve.
Turn primary thermostatic valve to full hot and wait for ten seconds.
Check to be sure outlet temperature does not climb above 90°F (32°C) or above
recommended maximum temperature set by medical advisor.
Turn primary thermostatic mixing valve to full cold and wait ten seconds.
Set primary thermostatic mixing valve to the desired temperature and close
drench or combination emergency shower.
INSTRUCTIONS FOR DISMANTLING VALVE
Shut off hot and cold supplies to valve.
Loosen POINTER SET SCREW, Remove SNAP CAP, SCREW and WASHER, POINTER and
FRICTION SPRING. (FIGURE #1).
Remove the 6 COVER SCREWS, then take off cover to which the Thermostat and
Gears are attached.
WHEN RE-ASSEMBLING VALVE, insert new Flange Packing in base; replace COVER,
tightening COVER SCREWS in rotation; put FRICTION SPRING in place; then
replace POINTER and POINTER ROD SCREW, WASHER and CAP.
After installing new parts, it will probably be necessary to reset Pointer to
obtain correct temperature range from Cold to Hot. See page 2 instructions “TO
RESET ADJUSTABLE HIGH TEMPERATURE LIMIT STOP.”
TO CLEAN PORT SLEEVE ASSEMBLY
Failure to properly blend the water may be caused by a sticking condition in
the PORT SLEEVE ASSEMBLY. The THIMBLE should slide freely on the PORT SLEEVE.
If a deposit of lime or sediment prevents free movement, use a nail set or
other tapered tool to unscrew the CHECK NUT as far as it will go, then screw
the PORT SLEEVE NUT into the base. This will release the PORT SLEEVE and
THIMBLE so they can be lifted out, (Figure #2).
Clean with a NON-CORROSIVE CLEANING AGENT AND SOFT CLOTH – DO NOT USE
ABRASIVES – then wash parts thoroughly, wipe with a dry cloth and re-assemble.
The PORT SLEEVE should be assembled with the elongated holes to the right
(COLD SIDE). Tighten PORT SLEEVE NUT against end of PORT SLEEVE but be careful
not to over tighten, this may deform port sleeve. Tighten CHECK NUT. When
replacing front be sure DRIVING BALL is inserted in Ball Socket as shown in
Figure #1.
TO REPLACE POINTER ROD WITH GEAR Loosen POINTER SET SCREW, remove POINTER ROD
SNAP CAP, SCREW, WASHER, POINTER, and FRICTION SPRING. (FIGURE #1)
Remove COVER with parts attached, from the front of valve.
Remove COIL SLEEVE STUD and take off THERMOSTAT GROUP.
Replace POINTER ROD with GEAR and re-assemble.
TO REPLACE (OR CLEAN) THERMOSTAT GROUP
Follow instruction for replacing POINTER ROD with GEAR above. If a deposit has
collected on the Thermostatic Coil, clean it off with a brush in a non-
corrosive grit-free cleaning solution.
REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND MAINTAINED ON A
REGULAR BASIS. (SEE MAINTENANCE GUIDE AND RECORD, MGR-1000)
TM-600, 650, 800, 850 VALVE PARTS
CHECKSTOP PARTS
REPAIR KITS
FOR TM-600, 650, TM-800 & 850
LOCK-
TYPE POINTER (SUFFIX LTR)
All TM-600, 650, 800 & 850, valves are furnished with lockable pointers. See
part noted. REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND
MAINTAINED ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND RECORD, MGR-1000)
NOTE: AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE
ADJUSTABLE HIGH TEMPERATURE LIMIT STOP (SEE PAGE 2).
TM-5100, 5125 VALVE PARTS
CHECKSTOP
PARTS
LOCK-TYPE
POINTER (SUFFIX LTR)
All TM-5100, 5125 valves are furnished with lockable pointers. See part
noted.
REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND MAINTAINED
ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND RECORD, MGR-1000)
NOTE: AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE
ADJUSTABLE HIGH TEMPERATURE LIMIT STOP (SEE PAGE 2).
REPAIR KITS
FOR TM-5100, TM-5125 
FLOW CAPACITIES
MODEL|
IN
|
OUT
| MINIMUM FLOW (GPM)|
INTERNAL COLD WATER BY-PASS MINIMUM
| SYSTEM PRESSURE DROP|
PSI
---|---|---|---|---|---|---
5| 10| 15| 20| 25| 30| 35| 40| 45
L\MIN| .3| .7| 1.0| 1.4| 1.7| 2.1| 2.4| 2.8| 3.1| BAR
TM-600| 3/4″| 1″| 3| 20| 18| 23| 29| 34| 40| 45| 51| 56| 58| GPM
11| 76| 68| 87| 110| 129| 151| 170| 193| 212| 220| L\MIN
TM-650| 3/4″| 1″| 3| 20| 18| 23| 29| 34| 40| 45| 51| 56| 58| GPM
11| 76| 68| 87| 110| 129| 151| 170| 193| 212| 220| L\MIN
TM-800|
1″
|
1 1/4″
| 3| 20| 21| 29| 38| 44| 50| 53| 56| 61| 64| GPM
11| 76| 79| 110| 143| 167| 189| 201| 212| 231| 242| L\MIN
*TM-850|
1 1/4″
|
1 1/4″
| 3| 20| 21| 29| 38| 44| 50| 53| 56| 61| 64| GPM
11| 76| 79| 110| 143| 167| 189| 201| 212| 231| 242| L\MIN
TM-5100| 1 1/4″| 1 1/2″| 3| 40| 53| 64| 72| 81| 90| 99| 108| 117| 126| GPM
11| 151| 201| 242| 273| 307| 341| 374| 409| 443| 477| L\MIN
TM-5125| 1 1/4″| 1 1/2″| 3| 40| 53| 64| 72| 81| 90| 99| 108| 117| 126| GPM
11| 151| 201| 242| 273| 307| 341| 374| 409| 443| 477| L\MIN
MAXIMUM FLOW CAPACITY
LIMITED WARRANTY
Leonard Valve Company warrants the original purchaser that products manufactured by them (not by others) will be free from defects in materials and workmanship under normal conditions of use, when properly installed and maintained in accordance with Leonard Valve Company’s instructions, for a period of one year from date of shipment. During this period the Leonard Valve Company will at its option repair or replace any product, or part thereof, which shall be returned, freight prepaid, to the Leonard factory and determined by Leonard to be defective in materials or workmanship. There are no warranties, express or implied, which extend beyond the description contained herein. There are no implied warranties of merchantability or of fitness for a particular purpose. In no event will Leonard be liable for labor or incidental or consequential damages. Any alteration or improper installation or use of the product will void this limited warranty.
© 2015 Leonard Valve Company
Printed in USA
1360 Elmwood Avenue, Cranston, RI 02910 USA
Phone: 401.461.1200 Fax: 401.941.5310
Email: [email protected]
Web Site: http://www.leonardvalve.com