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LTV VALVE APPLICATION INSTRUCTIONS FOR
CB 495 - 2066 / CH 401 - 2071 AND PB 501 - 2000
Kit components:
VAL30000 - 1 1/2" VALVE
Models: CB 45 - 500
• 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
VAL3047 - 2 1/2" VALVE
Models: CB 986 - 2066, CH 991 - 2071, and PB 501 - 2000
• VAL2124
2 1/2" LTV Valve
• BLT2118
Bolt (12)
• BLT2119
Nut (12)
• BLT2026
Flat Washer (24)
• BLT2120
Star Washer (12)
• GKT2055
Gasket (3)
• TFL2092
Flange (3)
• INS7238
Instruction Sheet
CAUTION Pump and motor unit are designed to be
supported by the inline piping only. Do not
support in any other manner. When placing
pump between flanges, tighten flange bolts
evenly and do not tighten excessively.
Figure 1_ 1 1/2" Valve
C = SYSTEM
RETURN
WATER
NOTE: A-B-C is noted on the valve to depict proper orientation.
LOW TEMPERATURE PROTECTION
COPPER-FIN AND POWER-FIN MODELS
A = BLENDED
WATER
B = FROM BOILER
OUTLET
Figure 2_ 2" Valve
C = SYSTEM
RETURN
WATER
Figure 3_ 2 1/2" Valve
B = FROM BOILER
OUTLET
A = BLENDED
WATER
INS7238 Rev C
A = BLENDED
WATER
B = FROM
BOILER
OUTLET
C = SYSTEM
RETURN
WATER
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Table of Contents
Summary of Contents for Lochinvar BLT2026
- Page 1 Models: CB 986 - 2066, CH 991 - 2071, and PB 501 - 2000 • VAL2124 2 1/2" LTV Valve • BLT2118 Bolt (12) • BLT2119 Nut (12) • BLT2026 Flat Washer (24) • BLT2120 Star Washer (12) • GKT2055 Gasket (3) • TFL2092 Flange (3) •...
- Page 2 Figure 4_Primary/Secondary Piping of a Single Boiler - 1 1/2" Valve *Best practice for Indoor/Outdoor reset. **Best practice for set point operation. NOTES: Unit(s) high limit must be set at max. Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here.
- Page 3 Typical piping applications (cont.): Figure 6_Primary /Secondary Piping of a Single Boiler - 2" Valve *Best practice for Indoor/Outdoor reset. **Best practice for set point operation. NOTES: Unit(s) high limit must be set at max. Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here.
- Page 4 Typical piping applications (cont.): Figure 8_Primary/Secondary Piping of a Single Boiler - 2 1/2" Valve NOTES: Unit(s) high limit must be set at max. Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here.
- Page 5 Figure 10_1 1/2" LTV Valve - 45,000 - 500,000 Btu/hr PORT "A" PORT "B" 5.250 PORT "C" 6.125 3.750 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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Page 6: Maintenance Instructions
Figure 13_1 1/2" - Flow vs. Pressure Drop FLOW vs. PRESSURE DROP FLOW IN U.S. GPM Figure 15_2 1/2" - Flow vs. Pressure Drop INS7238 Rev C Figure 14_2" - Flow vs. Pressure Drop Maintenance instructions The LTV valve is maintenance free. It does not require regular cleaning or calibration. - Page 7 Notes INS7238 Rev C 7 of 8...
- Page 8 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.
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