Crown Boiler BSI241 User Manual
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Piping Installation
1) Remove parts bag from boiler crate.
2) Install safety valve (spindle must be in vertical position) into tapping on boiler left side (see Figure 1) using the 3/4” NPT
nipples and elbow supplied.
nipples and elbow supplied.
3) Pipe the discharge of the safety relief valve to a location where water or steam will not create a hazard or cause property
damage if the valve opens. The end of the discharge pipe must terminate in an unthreaded pipe. If the safety valve
discharge is not piped to a drain it must terminate at least 6 inches above the floor. The termination of the safety valve
discharge piping must be in an area where it is not likely to become plugged by debris or subjected to freezing.
damage if the valve opens. The end of the discharge pipe must terminate in an unthreaded pipe. If the safety valve
discharge is not piped to a drain it must terminate at least 6 inches above the floor. The termination of the safety valve
discharge piping must be in an area where it is not likely to become plugged by debris or subjected to freezing.
4) Install drain valve into tapping on boiler left side using the 2 x 3/4 bushing provided (see Figure 1).
5) Connect system supply and return to boiler. See Figure 11. The BSI069 - BSI172 require only one supply riser. Two supply
risers are required on the BSI207 and larger sizes.
risers are required on the BSI207 and larger sizes.
6) Piping with a Chiller - If the boiler is used in conjunction with a chiller, pipe the boiler in parallel with chiller. Use isolation
valves to prevent chilled water from entering the boiler.
valves to prevent chilled water from entering the boiler.
DANGER
•
PIPE SAFETY VALVE DISCHARGE TO A SAFE LOCATION.
•
DO NOT INSTALL A VALVE IN THE SAFETY VALVE DISCHARGE LINE.
•
DO NOT MOVE SAFETY VALVE FROM FACTORY LOCATION.
•
DO NOT PLUG SAFETY VALVE DISCHARGE.
•
DO NOT INSTALL A SAFETY VALVE WITH A SETTING GREATER THAN 15 PSI.
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