10.0 Piping layouts
Fig. 23
Fig. A
RS boiler with right hand water piping – left hand gas piping
Power
supply
120V
60 Hz
2˝
2˝
Gas
pipe
Vitotronic control
Return
Supply
Capillaries
Low water
cut-off,
probe or
float type
Mount relief valve,
air vent and pressure
gauge to tapping on
left hand side
Pilot
burner
mounting
side
Return water
distribution pipe
on this side
Note: Gas train connection to manifold must be on the same side
as pilot assembly
Double flange for return water
distribution pipe
Pilot assembly
Double flange for return water
distribution pipe
Pilot assembly
Fig. B
RS boiler with all piping and pilot on left hand side
Fig. C
RS boiler with all piping and pilot on right hand side
Gas
pipe
Power
supply
120V
60 Hz
Sensing well
for aquastat
capillaries
Vitotronic control
Vitotronic control
2˝
2˝
Low water
cut-off,
probe or
float type
Return water
distribution pipe
on this side
Pilot
burner
mounting
side
Mount relief valve, air
vent and pressure
gauge to tapping on
right hand side
Gas
pipe
Power
supply
120V
60 Hz
2˝
2˝
Low water
cut-off,
probe or
float type
Return water
distribution
pipe on this
side
Pilot
burner
mounting
side
Mount relief valve, air
vent and pressure
gauge to tapping on
left hand 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.
Capillaries
Capillaries
Single boiler installation – piping arrangements
Supply
Return
Return
Supply
18
Sensing well
for aquastat
capillaries
Sensing well
for aquastat
capillaries
