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THERMOMETER

HEAT

TRAP

SUPPLY

COLD

SOURCE

WATER

HOT

HIGH TEMPERATURE

SUPPLY

BY-PASS (FULL LINE SIZE)

HIGH TEMPERATURE RETURN

WATER FIXTURES

CIRCULATOR

DOMESTIC TEMPERED

VALVE #2

VALVE #1

(OPTIONAL)

AQUASTAT

(OPTIONAL)

METHOD #4
CIRCULATED FLOWS BETWEEN

8-25 GPM

PROCEDURE TO BALANCE SYSTEM:

1. MAKE SURE NO WATER IS BEING DRAWN. OPEN VALVE #1 AND VALVE #2 APPROXIMATELY ½ WAY AND START

CIRCULATOR.

2. OBSERVE TEMPERATURE UNTIL IT STABILIZERS.
3. CLOSE VALVE #1 SLIGHTLY IF TEMPERATURE IS TOO HOT, OR OPEN IT SLIGHTLY IF TEMPERATURE IS TOO COLD AND

ALLOW TEMPERATURE TO STABILIZE. REPEAT UNTIL DESIRED TEMPERATURE IS SET.

4. IF UNABLE TO REACH DESIRED TEMPERATURE OPEN VALVE #2 FULL, REPEAT STEPS 2 AND 3.

THERMOMETER

HEAT

TRAP

SUPPLY

COLD

SOURCE

WATER

HOT

HIGH TEMPERATURE

SUPPLY

BY-PASS (FULL LINE SIZE)

HIGH TEMPERATURE RETURN

WATER FIXTURES

CIRCULATOR

DOMESTIC TEMPERED

VALVE #1

VALVE #2

(OPTIONAL)

AQUASTAT

(OPTIONAL)

METHOD #5
CIRCULATED FLOWS GREATER

THAN 25 GPM

PROCEDURE TO BALANCE SYSTEM:

1. MAKE SURE NO WATER IS BEING DRAWN. OPEN VALVE #1 AND VALVE #2 APPROXIMATELY ½ WAY AND START

CIRCULATOR.

2. OBSERVE TEMPERATURE UNTIL IT STABILIZERS.
3. CLOSE VALVE #1 SLIGHTLY IF TEMPERATURE IS TOO HOT, OR OPEN IT SLIGHTLY IF TEMPERATURE IS TOO COLD AND

ALLOW TEMPERATURE TO STABILIZE. REPEAT UNTIL DESIRED TEMPERATURE IS SET.

4. IF UNABLE TO REACH DESIRED TEMPERATURE OPEN VALVE #2 FULL, REPEAT STEPS 2 AND 3.

Содержание TM-2020A

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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