Instruction/ maintenance manual of the product BLT2120 Lochinvar
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L TV V AL VE APPLICA TION INSTRUCTIONS FOR LOW TEMPERA TURE PROTECTION COPPER-FIN AND POWER-FIN MODELS CB 495 - 2066 / CH 401 - 2071 AND PB 501 - 2000 INS7238 Rev C Kit components: V AL30000 - 1 1/2&q.
2 of 8 T ypical piping applications: Figure 4 _Primary/Secondary Piping of a Single Boiler - 1 1/2" V alve Figure 5_ Primary /Secondary Piping of Multiple Boilers - 1 1/2" V alve for each boiler DET AIL DET AIL C = SYSTEM RETURN WATER B = FROM BOILER OUTLET A = BLENDED WATER *Best practice for Indoor/Outdoor reset.
3 of 8 T ypical piping applications (cont.): Figure 6_ Primary /Secondary Piping of a Single Boiler - 2" V alve Figure 7 _Primary/Secondary Piping of Multiple Boilers - 2" V alve for each boiler Note: V alve must be installed with proper port orientation.
T ypical piping applications (cont.): Figure 8 _Primary/Secondary Piping of a Single Boiler - 2 1/2" V alve Figure 9 _Primary/Secondary Piping of Multiple Boilers - 2 1/2" V alve for each boiler DET AIL DET AIL Note: V alve must be installed with proper port orientation.
Figure 1 1 _2" L TV V alve - Up to 750,000 Btu/hr Figure 12 _2 1/2" L TV V alve - 990,000 Btu/hr and up Figure 10 _1 1/2" L TV V alve - 45,000 - 500,000 Btu/hr PORT "A" PORT "B" PORT "C" 6.
Figure 14 _2" - Flow vs. Pressure Drop Figure 15 _2 1/2" - Flow vs. Pressure Drop FLOW vs. PRESSURE DROP FLOW IN U.S. GPM Pressure Drop, PSID Figure 13 _1 1/2" - Flow vs. Pressure Drop 6 of 8 INS7238 Rev C Maintenance instr uctions The L T V valv e is maintenance fr ee.
7 of 8 INS7238 Rev C Notes.
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.
An important point after buying a device Lochinvar BLT2120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lochinvar BLT2120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lochinvar BLT2120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lochinvar BLT2120 you will learn all the available features of the product, as well as information on its operation. The information that you get Lochinvar BLT2120 will certainly help you make a decision on the purchase.
If you already are a holder of Lochinvar BLT2120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lochinvar BLT2120.
However, one of the most important roles played by the user manual is to help in solving problems with Lochinvar BLT2120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lochinvar BLT2120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
