UTICA BOILERS UBSSC-075 Installation Operation & Maintenance

Disconnect harness from Low Water Cutoff. Is 24 vac at terminals 1 & 2 (Between blue and yellow wires)? YES NO Repair System Piping, remove any remaining air in system. 13 - TROUBLE SHOOTING ...

requirements of authority having jurisdiction. Refer to: • USA- National Electrical Code, ANSI/NFPA 70. • Canada - Canadian Electrical Code, Part I, CSA C22.1: Safety Standard for Electrical Installations. 8.2 Electric Knockouts (fi gure 8-1) • Five knockouts located on bottom of chassis. A. Three knockouts located under junction box are reserved for high voltage wires. Choose connectors using total diameter of wire bundles. B. Two knockouts located to right of high voltage knockouts (outside of junction box) are res ...

or company engaged in and responsible for: • Installation, testing, or replacement of gas piping, or connection, installation, testing, repair or servicing of appliances and equipment. • Experienced in such work. • Familiar with all precautions required. • Complies with all requirements of authority having jurisdiction. • SAFETY RELIEF VALVE - Valve designed to relieve pressure in hot water supply system when pressure exceeds pressure capability of equipment. • SAFETY SHUTOFF DEVICE - Device that will shut off gas supp ...

Explanation CH Settings Allowed Range: 35°F to 100°F (2°C to 38°C) Default Setting: 70°F (21°C) If outdoor temperature is greater than Warm Weather Shutdown Temperature, demand for CH blocked and pumps stopped. Allowed Boiler Range: 60°F to 195°F (40°C to 91°C) Default Boiler Setting:180° F (82°C) Boiler capable of operating in Outdoor Reset Mode when included Outdoor Sensor is connected and proper CH Mode selected. If CH Mode = 1, ‘Outdoor Temperature Reset with Thermo- stat’ or 2, ‘Full Outdoor Reset’ boiler will adjust CH set point proportional ...