Piping Layouts - Viessmann Vitogas 050 Rs Series Installation & Service Manual

10.0 Piping layouts

Single boiler installation – piping arrangements
Fig. A
RS boiler with right hand water piping – left hand gas piping
Sensing well
for aquastat
Gas
capillaries
pipe
Vitotronic control
Mount relief valve,
air vent and pressure
gauge to tapping on
left hand side
Fig. B
RS boiler with all piping and pilot on left hand side
Supply Return
Power
2˝ 2˝
supply
120V Gas
pipe
60 Hz
Low water
cut-off,
probe or
float type
Pilot Return water
burner distribution pipe
mounting on this side
side
Figures A, B, C show piping arrangements for single boiler installation. RS boiler comes with water distribution pipe
and 2˝ threaded connections on right hand side as standard equipment. Refer to Section 2.2 for details on changing
water piping from right side to left side. If necessary, return water distribution pipe and 5-point capillary well, may
have to be moved.
Fig. 23
18
Return Supply
Power
supply
2˝ 2˝
120V
60 Hz
Capillaries
Low water
cut-off,
probe or
float type
Return water
distribution pipe
on this side
Vitotronic control
Sensing well
for aquastat
capillaries
Capillaries
Mount relief valve, air
vent and pressure
gauge to tapping on
right hand side
Note: Gas train connection to manifold must be on the same side
as pilot assembly
Pilot
burner
mounting
side
Fig. C
RS boiler with all piping and pilot on right hand side
Mount relief valve, air
vent and pressure
gauge to tapping on
left hand side
Double flange for return water
distribution pipe
Pilot assembly
Double flange for return water
distribution pipe
Pilot assembly
Return
Vitotronic control
2˝
Gas
pipe
Sensing well
for aquastat
capillaries
Capillaries
Return water
distribution
pipe on this
side
Supply
Power
supply
2˝
120V
60 Hz
Low water
cut-off,
probe or
float type
Pilot
burner
mounting
side