Crown KSZ175 - Manual

10 FIGURE 9: TYPICAL VENT SYSTEM INSTALLATION AND COMPONENTS VI Venting Vent installation must be in accordance with local building codes, or the local authority having jurisdiction. Typical vent installation is illustrated by Figure 9. The components of vent installation are the vent connector (bre...

11 6) Prior to boiler installation, inspect chimney for obstructions or other defects and correct as required. Clean chimney as necessary. 7) Vent pipe should slope upward from the boiler not less than one inch in four feet. No portion of vent pipe should run downward or have sags. Vent pipe must be...

12 FIGURE 10: STEAM BOILER PIPING FOR GRAVITY RETURN CAUTION • INSTALL BOILER SO THAT ALL ELECTRICAL COMPONENTS ARE PROTECTED FROM WATER (DRIPPING,SPRAYING, RAIN, ETC.) DURING APPLIANCE OPERATION AND SERVICE. • OPERATION OF THIS BOILER IN A SYSTEM HAVING SIGNIFICANT AMOUNTS OF DISSOLVED OXYGENCAN CA...

13 2) One-pipe steam systems require air vents on each radiator, as well as at the end of each main. For the system to workproperly, these vents must be properly installed, sized, and be in good condition. Inspect and replace any defective vents. Ifthere are no vents at the ends of the mains, instal...

14 VIII INDIRECT & TANKLESS WATER HEATER PIPING INDIRECT WATER HEATER PIPING All KSZ series boilers are equipped with tappings to permit the connection of a Crown Mega-Stor, or other indirect waterheater. In this type of system, hot boiler water is drawn from below the water line and passed thro...

15 IMPORTANT • Some indirect water heaters may not be suitable for use with a steam boiler. Consult the water heatermanufacturer’s guidelines before installing it in this type of system. • Boiler water temperatures and flow rates in this type of system may be considerably lower than those upon which...

17 IX Fuel Line Piping Fuel line piping design, materials and constructions must be in accordance with local building codes, requirements of thelocal authority having jurisdiction, and the latest edition of Installation of Oil-Burning Equipment (ANSI/NFPA 31). Refer also to the instruction manuals p...

20 X Wiring WARNING All wiring and grounding must be done in accordance with the authoity having jurisdiction or, in the absence of suchauthority, with the National Electric Code (ANSI/NFPA70). 1) 120 Volt Wiring - Provide the boiler with its own 15A branch circuit with fused disconnect. How the 120...

24 XI Start-up and Checkout WARNING • NEVER ATTEMPT TO FILL A HOT EMPTY BOILER. • MAKE SURE THAT THE AREA AROUND THE BOILER IS CLEAR AND FREE FROMCOMBUSTIBLE MATERIALS, GASOLINE, AND OTHER FLAMMABLE VAPORS AND LIQUIDS. • SAFE RELIABLE OPERATION OF THIS BOILER REQUIRES THAT THE BURNER BE CHECKEDAND A...

25 24) Verify primary control operation and safety features according to procedure outlined in the instructions furnished withcontrol. 25) Check pressure limit control operation. Jump thermostat terminals and allow burner to run until boiler pressure exceedscut-in pressure plus the differential. The...

27 2 6 TABLE 3c: RIELLO BURNER CONFIGURATION AND SETUP DATA XII Service and Maintenance The following procedure should be performed on a weekly basis: For boilers equipped with a #67 low water cut-off, blow down the low water cut-off following the instructions on the yellowsticker adjacent to the lo...

29 IMPORTANT • CLEAN THE BOILER EVEN IF THERE ARE NO SIGNIFICANT SOOT DEPOSITS. FAILURE TOREMOVE ALL SULFUR AND ASH DEPOSITS ANNUALLY CAN CAUSE SEVERE CORROSIONDAMAGE. • WHEN CLEANING THE REAR FLUE PASSAGE, BE CAREFUL NOT TO PUSH THE BRUSH TOOFAR BEYOND THE BOTTOM OF THE PINS. DOING SO MAY DAMAGE TH...

30 2 9 Important Product Safety Information Refractory Ceramic Fiber Product Warning : The Parts list designates parts that contain refractory ceramic fibers (RCF). RFC has been classified as a possible human carcinogen. When exposed to temperatures about 1805°F, such as during direct flame contact,...

36 Tel: (215) 535-8900 • Fax: (215) 535-9736 • www.crownboiler.com Manufacturer of Hydronic Heating Products P.O. Box 14818 3633 I. Street Philadelphia, PA 19134 CROWN Boiler Co Rev 9- 20-10