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LSV DOC
Low loss header
AAV
H3
H2
STRAINER
FILL
UNIT
Low Loss Header
Hidden Detail
EXP
VESSEL
H1
D4
D1 Diameter of common
flow & return headers
Air & Dirt
seperator
6.9.3 Internal Pump
The pump has a speed regulator adjusted to the highest setting: Do not change this setting! The S -CB has a
built-in pump control with a standard 3-minute over run.
The pump will work at top speed when heat is required. When heat is no longer required, the pump will
continue to run for another 3 minutes. The pump and connected three-way valve for the calorifier or external
pump (if fitted) are also activated for one minute every 24 hours. The 24 hour cycle starts as soon as the
power supply to the boiler is activated.
6.10 Low loss header.
Low Loss Headers must be used with the S-CB Boiler
Typical Cascade Layout.
For Low Loss Header size,
Flow and Return size see table.
Low Loss Header & Common Flow/Return
.
Note to Design Engineer: See Quotation for equipment supplied.
OUTPUT H1 H2 H3 D4 D1
KW mm mm mm inch inch
60 330 370 465 3 1 1/2
80 340 380 480 3 1 1/2
100 345 390 510 4 2
120 360 405 565 4 2
150 400 450 610 4 2
180 445 505 665 5 2
240 445 505 665 5 2 1/2
300 560 620 725 6 2 1/2
360 680 780 865 8 2 1/2
420 780 850 980 10 4
480 780 850 980 10 4
540 780 850 980 10 4
600 780 850 980 10 4
Boiler Connections Group I
Type
S-CB
Flow/Return
Gas connection
60 1
1/2”
3
/4”
80 1
1/2”
3
/4”
100 1
1/2”
3
/4”
120 1
1/2”
3
/4”
Boiler Connections Group II
Type
S-CB
Flow/Return
Gas connection
150 2
“
1”
180 2
“
1”
