REQUIRED PIPING METHOD #5
PROCEDURE TO BALANCE CIRCULATION SYSTEM
1. MAKE SURE NO WATER IS BEING DRAWN IN THE BUILDING. OPEN BALANCING VALVE #1
APPROXIMATELY HALF WAY AND START CIRCULATOR. KEEP BALANCE VALVE #2 CLOSED AT
THIS TIME.
2. OBSERVE TEMPERATURE UNTIL IT STABILIZES.
3. CLOSE BALANCING VALVE #1 SLIGHTLY IF TEMPERATURE IS TOO HOT, OR OPEN IT SLIGHTLY
IF TEMPERATURE IS TOO COLD. ALLOW TEMPERATURE TO STABILIZE, REPEAT UNTIL DESIRED
CIRCULATION TEMPERATURE IS SET.
4. IF UNABLE TO REACH DESIRED TEMPERATURE WITH VALVE #1 IN THE FULL OPEN POSITION,
OPEN BALANCE VALVE #2 IN SMALL INCREMENTS (i.e. 1/8, ¼, 3/8, ETC) UNTIL DESIRED
TEMPERATURE IS ACHIEVED.
REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND
MAINTAINED ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND
RECORD, MGR-1000).
4
LEONARD
THERMOSTATIC
C
H
ASSE
1017
H
ASSE
1017
SYSTEM FIXTURES
HOT
WATER
SOURCE
COLD
SUPPLY
CIRCULATOR
AQUASTAT
BALANCING
HEAT
TRAP
VALVE
CHECK
FULL RETURN
LINE SIZE
VALVE #1
TEMPERED
RETURN
HIGH TEMPERATURE RETURN
BALANCING VALVE #2
CHECK
BALL VALVE FOR
SETUP (OPTIONAL)
C
T
C
CIRCULATOR
HIGH TEMPERATURE FIXTURES
ISOLATION
VALVE
VALVE
CHECK
TEMPERED
20
8
0
30
6
0
40
LEONARD
10
1
0
0
LEONARD
THERMOSTATIC
C
H
ASSE
1017
LEONARD
THERMOSTATIC
C
0
2
0
4
0
50
60
°C
1
2
0
-10
1
4
0
°F
0
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