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INSTALLATION ADJUSTMENT SERVICE
Note: IMPORTANT! Provide serial numbers for both valves when ordering parts!!
1. Type TM Parallel 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.
MEGATRON MODEL 7N
Valve assemblies are ASSE 1017 listed
Valve assemblies are CUPC listed
INSTALLATION
20
30
10
LEONARD
R
40
0
50
-10
°C
60
°F
0
80
20
3 0
6
10
4
8
L EONARD
4 0
0
2
10
5 0
-1 0
k g/cm 2
ps i
11
60
°C
0
° F
LEONARD VALVE CO.
CRANSTON RI USA
TYP TM
US . Patent s 2 .970,
3 ,061,195 3.152, 7 60
ASSE
10 17
20
30
10
LEO NARD
R
40
0
-10
50
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
LEONARD VALVE CO.
CRANSTON RI USA
TYP TM
US. P atents 2.970,
3,061,1 9 5 3.152,760
ASSE
101 7
20
30
10
LEONARD
R
40
0
-10
50
60
°C
0
°F
20
30
10
LEONARD
R
40
0
-10
50
60
°C
0
°F
4. Flush pipes thoroughly after system has been
connected.
5. Assemblies installed on a recirculated hot water system
MUST
be
piped
REQUIRED PIPING METHOD #5 (see page 4).
6. Refer to page 3 of this bulletin for correct Setup
Instructions.
Bulletin M-5070Z
March 2012
according
to
LEONARD'S

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Summary of Contents for Leonard MEGATRON 7N

  • Page 1 °F L EONARD -1 0 k g/cm 2 ps i °C ° F LEONARD VALVE CO. LEONARD VALVE CO. CRANSTON RI USA CRANSTON RI USA TYP TM TYP TM US . Patent s 2 .970, 3 ,061,195 3.152, 7 60 US.
  • Page 2 Minimum flows must be no less than shown (see Flow Capacities, page 8). If installed on a recirculated hot water system, make certain the valve is piped according to Leonard’s Required Piping Methods (see page 4).
  • Page 3: Setup Instructions

    3 ,06 1 ,19 5 3.1 52,760 COLD INLET INLET 1. The Parallel Unit MUST be piped according to a Leonard Open ball valve V2R and shut ball valve V2L at the mixing Required Piping Method 5 (see page 4). valve.
  • Page 4 BALL VALVE FOR SETUP AQUASTAT LE O NA RD - 10 °C ° F °C ° F CIRCULATOR LEONARD VALVE CO. LEONARD VALVE CO. CRANSTON RI USA CRANSTON RI USA TYP TM TYP TM LEONA RD - 10 °C BALANCING °...
  • Page 5 TM-1520A INSTRUCTIONS INSTRUCTIONS FOR SERVICING INSTRUCTIONS FOR SERVICING LARGER TM1520A VALVE SMALLER TM1520A VALVE M20-2C COVER BALL SCREWS DRIVING SOCKET LTR SET SCREW BALL POINTER POINTER SCREW FLANGE PACKING M20-3C POINTER COVER THERMOSTAT GASKET GROUP TEMPERATURE TM20-1-12B ADJUSTING SCREW THERMOSTATIC CONTROL ASSEMBLY 1.
  • Page 6 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-29/29A TM-16 POINTER SCREW COVER W/WASHER SCREWS TM-3/125 TM-16A/125 PORT SLEEVE NUT DIAL PLATE...
  • Page 7 TM1520A SMALL VALVE PARTS M20-2C M20-1C(RF)(CP) 6910 COVER COVER LTR SET SCREW M20-3C SCREWS COVER 57-D(RF) GLAND NUT GASKET 7520 POINTER SCREW M20-G2 THERMOSTAT GROUP MU-4C DURA-trol GLAND PACKING MU-10B POINTER ROD NUT 7628 (2 REQ'D) M20-4B POINTER P.S. HOLDER M20-5B (2 REQ'D) P.S.
  • Page 8 TM1520A SMALL VALVE PARTS 03305 DIAL PLATE M20-1C(RF)(CP) 6910 COVER M20-3C LTR SET SCREW COVER 57-D(RF) GASKET GLAND NUT 7520 POINTER SCREW M20-G2 THERMOSTAT GROUP DURA-trol MU-4C MU-10B GLAND PACKING POINTER ROD NUT 7628 (2 REQ'D) M20-4B POINTER P.S. HOLDER M20-5B (2 REQ'D) M20-14B...
  • Page 9 Leonard’s instructions, for a period of one year from the date of shipment. During this period, Leonard 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.