Installation Overview - Viessmann Vitomax HS M73 Operating And Service Instructions

Installation overview

qW qP qW qQ
qT
rP
6 rZ
rW rQ
rE
rR
Fig. 1 Example installation diagram. Standard deliv-
ery may vary subject to order.
Note
CE-approved boiler with accessories fitted on site.
Standard delivery may vary subject to order.
Boiler control platform with conductor (optional)
1
Control panel (see separate documentation)
2
Integral ECO (subject to boiler size) (optional)
3
Connection line ECO - boiler (optional)
4
Burner
6
Level electrode (WLC: Water level controller)
qP
Level electrode (HWL: Highest water level)
qQ
qW Level electrode (LWL: Lowest water level)
Conductivity electrode
qT
Safety valve (number is country-specific)
wP
Air vent shut-off valve (optional)
wQ
Note
Illustration of fitting assembly
ulating operation. For stepped operation, provide the
required number of pressure regulators in place of the
pressure transducer.
wQ wW wP
wUwI 2
1
rR
to , applies to mod-
rQ rR
3
rT
4
O A
C Z
wTwZ
wE
wR
Steam shut-off valve
wW
wE Feedwater shut-off valve
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
rQ Pressure gauge
Maximum pressure limiter
rW
Pressure transducer
rE
Straight-through shut-off valve with cap (optional)
rR
Temperature indicator for feedwater
rT
Sample cooler
rZ
Functions
9