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Leonard TM-2020B-DT-RF-R1 Installation Adjustment Service

Leonard TM-2020B-DT-RF-R1 Installation Adjustment Service

High-low manifold

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INSTALLATION ADJUSTMENT SERVICE
IMPORTANT! Provide serial numbers for both valves when ordering parts!!
Small valve manufactured after July 2007 starting with serial # TM26272
METHOD #2
20
30
10
LEONARD
R
40
0
50
-10
60
°C
°F
0
LEONARD
THERMOSTATIC
AS SE
1017
1. Type TM manifold systems are factory pre-assembled
and tested and include large and small thermostatic water
mixing valves which function as a system to meet both
high and low demand for tempered water.
2. System should be installed at a location where it can
easily be cleaned, adjusted or repaired.
3. System supplies must be connected as shown (Hot-left,
Cold-right). Exercise caution when soldering.
Maximum Operating Pressure 125PSI (860 KPA) for Hot and Cold Water.
All thermostatic water-mixing valves have limitations. They will not provide the desired
accuracy outside of their flow capacity range. Consult the capacity chart on page 8. Minimum
flow must be no less than as shown.
HIGH-LOW MANIFOLD
TM-2020B-DT-RF-R1
TM-2020B-LF-DT-RF-R1
INSTALLATION
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
20
30
10
LE ONARD
R
40
0
50
-10
60
°C
0
°F
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
METHOD #5
20
30
10
LEONARD
R
40
0
50
-10
°C
60
°F
0
LEONARD
THERMOSTATIC
AS SE
1017
4. Flush pipes thoroughly after system has been
connected.
5. If this assembly is installed on a recirculated hot water
system it MUST be piped according to LEONARD'S
REQUIRED PIPING METHOD (see page 4 ).
6. Refer to page 3 of this bulletin for correct Setup
Instructions.
Bulletin G-11ER1
August, 2018
20
30
10
LEONARD
R
40
0
50
-10
60
°C
°F
0

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Summary of Contents for Leonard TM-2020B-DT-RF-R1

  • Page 1 5. If this assembly is installed on a recirculated hot water high and low demand for tempered water. system it MUST be piped according to LEONARD’S 2. System should be installed at a location where it can REQUIRED PIPING METHOD (see page 4 ).
  • Page 2 Minimum flows must be no less than shown (see Flow Capacities, page 12). If installed on a recirculated hot water system, make certain the valve is piped according to Leonard’s Required Piping Method (see page 4).
  • Page 3: Setup Instructions

    1. The High-Low Unit MUST be piped according to a 7. Set outlet temperature of the large Type TM Valve to the Leonard Required Piping Method (see page 4 ). required level. 2. Make sure full hot and cold supplies to this assembly are 8.
  • Page 4 REQUIRED PIPING METHOD #2 FOR SYSTEMS CIRCULATING 8 GPM OR LESS THERMOMETER LEONARD °C °F THERMOMETER LEONARD °C °F LEONARD THERMOSTATIC ASSE 1017 CHECK CIRCUIT SETTER VALVE CHECK 12" VALVE PROCEDURE TO BALANCE CIRCULATION SYSTEM 1. MAKE SURE NO WATER IS BEING DRAWN IN THE BUILDING. OPEN CIRCUIT SETTER APPROXIMATELY HALF WAY AND START CIRCULATOR.
  • Page 5 REQUIRED PIPING METHOD #5 FOR SYSTEMS CIRCULATING GREATER THAN 8 GPM TEMPERED CIRCULATORWATER FROM CIRCULATOR LEONARD °C °F ISOLATION VALVE LEONARD °C °F LEONARD THERMOSTATIC BALANCING ASSE 1017 VALVE #1 RETURN TO HOT WATER SOURCE COLD BALANCING SUPPLY SUPPLY VALVE #2 PROCEDURE TO BALANCE 1.
  • Page 6 INSTRUCTIONS FOR SERVICING INSTRUCTIONS FOR SERVICING LARGER TM2020B VALVE SMALLER TM2020B VALVE M20-2C COVER SCREWS LTR SET SCREW POINTER SCREW M20-3C POINTER COVER GASKET TEMPERATURE TM28-1-12B ADJUSTING SCREW THERMOSTATIC CONTROL ASSEMBLY 1. Loosen LTR set screw. 1. Loosen LTR set set screw. 2.
  • Page 7: Repair Kits

    LARGE TM VALVE PARTS TM-15B/125 TGM-2/125 COVER THERMOSTAT GROUP 57-L TM-8 TM-25D TM-25C SNAP CAP COIL SLEEVE STOP POINTER MU-5A STUD O'RING (2) LEONARD THERMOSTATIC FRICTION TM-28A SPRING POINTER ROD TM-16 TM-29/29A TM-16A/125 COVER POINTER SCREW DIAL SCREWS W/WASHER PLATE TM-3/200...
  • Page 8 SMALL TM VALVE PARTS 03307 M 20 -1 C RF/CP 6910 D IAL PLATE C OVER L TR SET SC REW M 20 -3C C OVER 5 7-D RF GASKET 7520 G LA ND NUT P OIN TER SC REW T M28 -G2 T HER MOS TAT GROUP 7628...
  • Page 9: Limited Warranty

    Some jurisdictions may not allow limitations on how long an implied warranty lasts, so the foregoing durational limitation may not apply to you. In no event will Leonard be liable for labor or incidental or consequential damages.

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