Overview Of Boiler Equipment - Viessmann Vitomax HS Series Installation Instructions Manual

Overview of boiler equipment

qW qP qW
qT
rP
6
rW rQ
rR
Fig. 3 Standard delivery may vary subject to order.
Boiler control platform with conductor (optional)
1
Control panel (see separate documentation)
2
Integrated ECO (optional)
3
ECO – boiler connection line
4
Burner
6
Level electrode (WLC: Water level controller)
qP
Level electrode (HWL: Highest water level)
qQ
Level electrode (LWL: Lowest water level)
qW
Conductivity electrode
qT
wP Safety valve *2
Air vent shut-off valve (optional)
wQ
Steam shut-off valve
wW
Feedwater shut-off valve
wE
Note
The illustration of the fitting assembly applies to modu-
lating operation. For staged operation, provide the
required number of pressure regulators in place of the
pressure transducer (see page 15).
*2 Quantity is country-specific
qQ wQ wW
rZ wUwI 2
1
rE
rR
wP 3
rT
4
O A
C Z
wTwZ
wE
wR
Feedwater check valve
wR
Blow-down shut-off valve
wT
Blow-down valve
wZ
Desalination shut-off valve
wU
Desalination control valve
wI
Water level indicator
rP
Pressure gauge
rQ
Maximum pressure limiter
rW
Pressure transducer
rE
Straight-through shut-off valve with cap (optional)
rR
Temperature indicator for feedwater
rT
Sample cooler
rZ
*2
9