Leonard TM-2020A Installation Adjustment Service Download Page 8

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SMALL TM VALVE PARTS

LOCK-TYPE

POINTER

CHECKSTOP PARTS

REPAIR KITS

REMEMBER!

THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND

MAINTAINED ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND RECORD)

NOTE:

AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE

ADJUSTABLE HIGH TEMPERATURE LIMIT STOP ON EACH VALVE (SEE PAGE 2).

Summary of Contents for TM-2020A

Page 1: ...is installed on a recirculated hot water system it MUST be piped according to LEONARD S REQUIRED PIPING METHODS see pages 4 5 6 Refer to page 3 of this bulletin for correct Setup Instructions 1 Type T...

Page 2: ...he top side of the web which is cast on the RIGHT SIDE OF THE COVER 5 Replace stop retaining ring 6 Replace POINTER so that it is pointing to the extreme HOT position The new maximum temperature has n...

Page 3: ...ystem is operational To balance circulation system temperature see page 4 5 1 The High Low Unit MUST be piped according to a Leonard Required Piping Method see page 4 5 2 Make sure full hot and cold s...

Page 4: ...ON PROCEDURE TO BALANCE CIRCULATION SYSTEM 1 MAKE SURE NO WATER IS BEING DRAWN IN THE BUILDING OPEN VALVE 1 APPROXIMATELY HALF WAY AND START CIRCULATOR 2 OBSERVE TEMPERATURE UNTIL IT STABILIZES 3 CLOS...

Page 5: ...EMPERATURE IS SET 4 IF UNABLE TO REACH DESIRED TEMPERATURE OPEN VALVE 2 FULL REPEAT STEPS 2 AND 3 5 THERMOMETER HEAT TRAP SUPPLY COLD SOURCE WATER HOT HIGH TEMPERATURE SUPPLY BY PASS FULL LINE SIZE HI...

Page 6: ...ble must move freely on the port sleeve unscrew the check nut as far as it will go then screw the port sleeve nut into the base The port sleeve and thimble may be lifted out SEE DWG A 5 Clean in a non...

Page 7: ...KITS REMEMBER THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND MAINTAINED ON A REGULAR BASIS SEE MAINTENANCE GUIDE AND RECORD NOTE AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE ADJUS...

Page 8: ...KITS REMEMBER THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND MAINTAINED ON A REGULAR BASIS SEE MAINTENANCE GUIDE AND RECORD NOTE AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE ADJUS...

Page 9: ...ITED 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 u...