Step 5 - Circuit Balancing - Warmup WHS-M-S3-Series Installation Manual

Step 5 -
Circuit Balancing
If the Warmup Mixing Unit is installed follow the full set of instructions
below.
If the Warmup Mixing unit is not installed, please commission the
primary circuit and proceed directly to step 8.
1
• Close the Primary Isolation
Valves.
3
• Turn the isolating cap on the
40
30 50
90 110
mixing unit clockwise until
20 60
130
70
150
fully closed.
50
10 70
170
32
°F
0 80
°C
5
• Connect the Mixing Units
circulator to a power supply
and turn it on.
22
20
10
0
L N
2
40
30
50
90 110
60
130
70
150
50
70
170
32
°F
80
°C
• Open the circulator isolation
valve.
4
• Remove the flow-meter locking
rings and fully open all circuit
flow and return valves.
6
• Set the circulator to operate at
Constant Pressure Curve 3, see
'Step 13' page 28.
40
30 50
90 110
20
60
130
70
150
50
10 70
170
32
°F
0 80
°C