Automatic Valve Instruction Manual

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LTV VALVE APPLICATION INSTRUCTIONS FOR

LOW TEMPERATURE PROTECTION

COPPER-FIN AND POWER-FIN MODELS

CB 495 - 2066 / CH 401 - 2071 AND PB 501 - 2000

INS7238 Rev C

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 2_ 2" Valve

A = BLENDED

WATER

B = FROM

BOILER

OUTLET

C = SYSTEM

RETURN

WATER

Figure 3_ 2 1/2" Valve

A = BLENDED

WATER

B = FROM BOILER

OUTLET

C = SYSTEM

RETURN

WATER

Figure 1_ 1 1/2" Valve

A = BLENDED

WATER

B = FROM BOILER

OUTLET

C = SYSTEM

RETURN

WATER

NOTE: A-B-C is noted on the valve to depict proper orientation.

Summary of content (8 pages)

PAGE 1
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 WATER Models: CB 45 - 500 • VAL20000 • INS7238 1 1/2" LTV Valve Instruction Sheet VAL3048 - 2" VALVE Models: CB 495 - 745 and CH 401 - 751 • VAL2123 • INS7238 2" LTV Valve Instruction Sheet VAL3047 - 2 1/2" VALVE Models: CB 986 - 2066, CH 991 - 2071, and PB 501 - 2000 •
PAGE 2
Typical piping applications: Figure 4_Primary/Secondary Piping of a Single Boiler - 1 1/2" Valve A = BLENDED WATER B = FROM BOILER OUTLET C = SYSTEM RETURN WATER 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. DE IL TA **REMOTE SENSOR REQUIRED A. IPE DI 0P 1 N. MI *Best practice for Indoor/Outdoor reset. **Best practice for set point operation. IA.
PAGE 3
Typical piping applications (cont.): Figure 6_Primary /Secondary Piping of a Single Boiler - 2" Valve A = BLENDED WATER B = FROM BOILER OUTLET DETAIL C = SYSTEM RETURN WATER 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. DE A. DI IPE RT P 4 PA ED 2” A CE F 1 EX X. O O T T MA NO R A O *Best practice for Indoor/Outdoor reset. **Best practice for set point operation.
PAGE 4
Typical piping applications (cont.): Figure 8_Primary/Secondary Piping of a Single Boiler - 2 1/2" Valve A = BLENDED WATER B = FROM BOILER OUTLET C = SYSTEM RETURN WATER 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. IL TA E D . DIA IPE RT P A 4 P ED 12” A CE EX . OF O X T T MA NO R A O NOTES: 1) 2) 3) Unit(s) high limit must be set at max.
PAGE 5
Figure 10_1 1/2" LTV Valve - 45,000 - 500,000 Btu/hr PORT "A" A C 5.250 PORT "B" PORT "C" B 3.750 6.
PAGE 6
Figure 13_1 1/2" - Flow vs. Pressure Drop Figure 14_2" - Flow vs. Pressure Drop Pressure Drop, PSID 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.
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.