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Фрагмент инструкции
10 PIPE DIA. INS7238 Rev C 3 of 8 Typical piping applications (cont.): Figure 6_Primary /Secondary Piping of a Single Boiler - 2" Valve Figure 7_Primary/Secondary Piping of Multiple Boilers - 2" Valve for each boiler Note: Valve must be installed with proper port orientation. Failure to observe port markings on the valve body prior to installing the valve could result in damage to the unit. NOTES: 1) Unit(s) high limit must be set at max. 2) Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations. 3) Unit(s) pump should operate only during firing periods. *Best practice for Indoor/Outdoor reset. **Best practice for set point operation. DETAIL DETAIL NOT TO EXCEED 4 PIPE DIA. OR A MAX. OF 12” APART C = SYSTEM RETURN WATER B = FROM BOILER OUTLET A = BLENDED WATER NOTES: 1) Unit(s) high limit must be set at max. 2) Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations. 3) Unit(s) pump should operate only during firing periods. NOT TO EXCEED 4 PIPE DIA. OR A MAX. OF 12” APART INS7238 Rev C Typical piping applications (cont.): Figure 8_Primary/Secondary Piping of a Single Boiler - 2 1/2" Valve Figure 9_Primary/Secondary Piping of Multiple Boilers - 2 1/2" Valve for each boiler DETAIL DETAIL Note: Valve must be installed with proper port orientation. Failure to observe port markings on the valve body prior to installing the valve could result in damage to the unit. NOTES: 1) Unit(s) high limit must be set at max. 2) Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations. 3) Unit(s) pump should operate only during firing periods. NOT TO EXCEED 4 PIPE DIA. OR A MAX. OF 12” APART C = SYSTEM RETURN WATER B = FROM BOILER OUTLET A = BLENDED WATER NOTES: 1) Unit(s) high limit must be set at max. 2) Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations. 3) Unit(s) pump should operate only during firing periods. NOT TO EXCEED 4 PIPE DIA. OR A MAX. OF 12” APART INS7238 Rev C 4 of 8 Figure 11_2" LTV Valve - Up to 750,000 Btu/hr Figure 12_2 1/2" LTV Valve - 990,000 Btu/hr and up Figure 10_1 1/2" LTV Valve - 45,000 - 500,000 Btu/hr PORT "A" PORT "C" PORT "B" 3.750 6.125 5.250 A B C TOP SIDE INS7238 Rev C 5 of 8 Figure 13_1 1/2" - Flow vs. Pressure Drop FLOW vs. PRESSURE DROP FLOW IN U.S. GPM Pressure Drop, PSID Figure 15_2 1/2" - Flow vs. Pressure Drop Figure 14_2" - Flow vs. Pressure Drop Maintenance instructions The LTV valve is maintenance free. It does not require regular cleaning or calibration. In most instal...
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