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INSTALLATION SETUP AND OPERATING INSTRUCTIONS
THERMOSTATIC WATER MIXING VALVE SYSTEM
IMPORTANT! Provide valve serial number (located on valve body) when ordering parts!!
THERMOMETER
HOT
INLET
TM-500A, TM-500A-LF
1.
Valve should be installed at a location where it can easily be
cleaned, adjusted or repaired.
2.
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.
NOTE: TM-500A and TM-550A are designed for multiple face/eye washes and not to be
used for drench shower applications.
IMPORTANT! These systems are designed to provide mixed water from 60 to 90°F (15 to 32°C) for
eye/face wash applications only. Call Leonard for systems designed to operate at temperatures outside of
this range.
REMEMBER! THIS IS A CONTROL SYSTEM WHICH MUST BE CLEANED AND MAINTAINED ON A
REGULAR BASIS (SEE MAINTENANCE GUIDE AND RECORD MGR-1000).
TM-500A, TM-500A-LF, TM-550A
Starting with TM551A, TM552A, TM553A, .....
Compliance............ANSI Z 358-1
°C
°F
CHECKSTOPS
COLD
INLET
WARNING: This product can expose you to
chemicals including lead, which is known to the State
!
of California to cause cancer. For more information, go
to
www.P65Warnings.Ca.gov
INSTALLATION
CAUTION
1360 Elmwood Avenue, Cranston, RI 02910 USA
Phone: 401.461.1200 Fax: 401.941.5310
Email:
info@leonardvalve.com
Web Site: http://www.leonardvalve.com
HOT
INLET
OUTLET
°C
°F
ASSE
1017
PRIMARY THERMOSTATIC
MIXING VALVE
TM-550A
3.
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.
BULLETIN G-6B
August, 2018
COLD
INLET
INLINE
CHECK
REDUNDANT
THERMOSTATIC
MIXING VALVE
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Summary of Contents for Leonard TM-500A
- Page 1 "COLD." These are NOT to be and Cold Water. confused with the "C-H" markings on the front cover. NOTE: TM-500A and TM-550A are designed for multiple face/eye washes and not to be used for drench shower applications. CAUTION IMPORTANT! These systems are designed to provide mixed water from 60 to 90°F (15 to 32°C) for...
- Page 2 Minimum flows must be no less than shown (see Flow Capacities, page 6). If installed on a circulated hot water system, make certain the valve is piped according to Leonard Required Methods of Piping (see page 3).
-
Page 3: Adjustment Screw
(THIS PIPING IS NOT TO BE USED FOR AN ENTIRE BUILDING!) CIRCULATE HOT WATER FROM END OF LINE BACK TO TANK PRIMARY THERMOSTATIC MIXING VALVE TM-500A TM-550A The TM-550 Redundant Thermostatic Mixing Valve has been factory set at 90°F (32°C). This set point can be field adjusted with a 3/8”... - Page 4 INSTRUCTIONS FOR DISMANTLING VALVE (DWG. 1) M20-2C COVER SCREWS 1. Shut off hot and cold supplies to valve. 2.Remove four Cover Screws M-20-2C to release entire thermostatic control assembly. WHEN RE-ASSEMBLING VALVE, insert Cover Gasket M-20-3C in base. Lubricate TM- 28-6B O'Rings before re-inserting assembly.
- Page 5 TM-500A, 550A VALVE PARTS M20-1C M20-2C LTR SET SCREW COVER COVER SCREWS (4 REQD) M20-3C 6910 COVER 57-D GASKET POINTER SCREW GLAND NUT 7520 TM25M-G2 THERMOSTAT GROUP MU-4C MU-10B GLAND PACKING 7628 POINTER ROD NUT (2 REQ'D) POINTER 327 (HOT SIDE) TM-25-3A P.S.
- Page 6 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.