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 VALVE CO.
CRANSTON RI USA
TYP TM
20
40
° F
0
14
0
30
1
00
20
60
LEO NA RD
- 10
°C
0
10
50
1
2
0
40
60
80
LEONARD VALVE CO.
CRANSTON RI USA
TYP TM
ISOLATION
VALVE
VALVE
CHECK
SYSTEM FIXTURES
HOT
WATER
SOURCE
COLD
SUPPLY
HEAT
TRAP
TEMPERED
RETURN
HIGH TEMPERATURE RETURN
C
CIRCULATOR
HIGH TEMPERATURE FIXTURES
20
40
° F
0
14
0
30
1
00
20
60
LEO NA RD
- 10
°C
0
10
50
1
2
0
40
60
80
20
40
° F
0
14
0
30
1
00
20
60
LEO NA RD
-10
°C
0
10
50
1
2
0
40
60
80
- 10
20
0
4
0
10
0
1
20
1
00
°C
14
0
° F
60
20
30
LEONA RD
50
40
60
80
1 0
20
0
4
0
14
0
° F
0
°C
4 0
30
1
20
1
00
60
80
BALANCING
VALVE #2
BALANCING
VALVE #1
CIRCULATOR
AQUASTAT
BALL VALVE FOR
SETUP
