Smith 8 series Installation And Operating Instructions Manual page 12

Page 12
Figure No. 12 - Piping Connections Steam (6 Section)
OPERATING AND LIMIT CONTROLS
The steam boiler is furnished with a high limit pressure
control and low water cutoff. If tankless hot water coil
is furnished, a low limit temperature control is included
and must be fi eld wired. Recommended wiring diagrams
for these boilers are illustrated in the separate electrical
wiring diagram book.
Many jurisdictions require dual limit controls. The boiler
installer must arrange to comply with local requirements
by furnishing and installing any extra controls.
Safety Valve
Install safety valve (15 psi) in top 3/4" tapping of back
section.
WARNING: Never install any type of valve
between the safety valve and the boiler! Failure
to comply with this warning can result in a boiler
explosion causing extensive property damage,
severe personal injury or death!
8 SERIES BOILER INSTALLATION AND OPERATING INSTRUCTIONS
WARNING: The safety valve discharge piping
must direct all water and vapor away from
personnel. Failure to comply with this warning
could result in severe personal injury!
Figure 13 – Safety Valve Installation
DISCHARGE PIPE SIZE
EQUAL TO VALVE OUTLET.
DO NOT RESTRICT FLOW.
FOR DISCHARGE
PIPING THROUGH
ROOF CONSULT
THE SMITH CO.
DISCHARGE SO
AS TO AVOID
EXPOSURE OF
PERSONS TO HOT
LIQUID OR VAPOR.
LEAVE OPEN END
VISIBLE FOR PERIODIC
INSPECTION FOR SLOW
LEAKAGE OR DRIPS.
SUPPORT DISCHARGE
PIPING SO AS TO AVOID
STRAIN ON VALVE BODY
RELIEF OR SAFETY VALVE.
DO NOT REMOVE RATING
OR WARNING TAGS