Руководство по эксплуатации Lochinvar TFL2092

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INS7238 Rev C
LTV VALVE APPLICATION INSTRUCTIONS FOR
LOW TEMPERATURE PROTECTION
COPPER-FIN AND POWER-FIN MODELS
CB 495 - 2066 / CH 401 - 2071 AND PB 501 - 2000
Kit components:
Figure 2_ 2" Valve
VAL30000 - 1 1/2" VALVE
A = BLENDED
Models: CB 45 - 500
WATER
� VAL20000 1 1/2" LTV Valve
� INS7238 Instruction Sheet
VAL3048 - 2" VALVE
Models: CB 495 - 745 and CH 401 - 751
� VAL2123 2" LTV Valve
� INS7238 Instruction Sheet
B = FROM
VAL3047 - 2 1/2" VALVE
BOILER
Models: CB 986 - 206

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Typical piping applications: Figure 4_Primary/Secondary Piping of a Single Boiler - 1 1/2" Valve A = BLENDED WATER C = SYSTEM RETURN WATER B = FROM BOILER DETAIL OUTLET 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. **REMOTE SENSOR REQUIRED *Best practice for Indoor/Outdoor reset. *REMOTE SENSOR **Best practice for set point operation. REQUIRED NOTES: 1) Unit(

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Typical piping applications (cont.): Figure 6_Primary /Secondary Piping of a Single Boiler - 2" Valve A = BLENDED WATER C = SYSTEM B = FROM RETURN BOILER WATER OUTLET 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. *Best practice for Indoor/Outdoor reset. **Best practice for set point operation. NOTES: 1) Unit(s) high limit must be set at max. 2) Inlet

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Typical piping applications (cont.): Figure 8_Primary/Secondary Piping of a Single Boiler - 2 1/2" Valve A = BLENDED C = SYSTEM WATER RETURN WATER Note: Valve must be installed B = FROM with proper port orientation. Failure to BOILER observe port markings on the valve OUTLET DETAIL 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 conne

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Figure 10_1 1/2" LTV Valve - 45,000 - 500,000 Btu/hr PORT "A" A C 5.250 PORT "B" PORT "C" B 6.125 3.750 TOP SIDE Figure 11_2" LTV Valve - Up to 750,000 Btu/hr Figure 12_2 1/2" LTV Valve - 990,000 Btu/hr and up INS7238 Rev C 5 of 8

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Figure 13_1 1/2" - Flow vs. Pressure Drop Figure 14_2" - Flow vs. Pressure Drop FLOW vs. PRESSURE DROP FLOW IN U.S. GPM Figure 15_2 1/2" - Flow vs. Pressure Drop Maintenance instructions The LTV valve is maintenance free. It does not require regular cleaning or calibration. In most installations, the 1-1/2" and 2" valves are hard piped into place and do not afford access. The 2-1/2" valve has flanged connects which allows removal. If the valve becomes unable to maintain a consistent inlet w

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Notes INS7238 Rev C 7 of 8

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Revision Notes: Revision A (INS7238 Rev A) reflects the addition of the 1 1/2" valve. Revision B (INS7238 Rev B) reflects the addition of the maintenance instructions. Revision C (ECO C02335) reflects the revision of FIG.’s. 1, 2, 3, 4, 6 & 8. 10/08 - Printed in U.S.A.