Оценок - 4, средний балл: 3.8
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Фрагмент инструкции
NOTE: Part numbers are Browning Manufacturing Corp. reference. 8 Table 7 — Power Exhaust Fan Drive Data TOTAL HP MOTOR QTY...HP MOTOR SHAFT DIAMETER (in.) FAN SPEED RPM MOTOR SHEAVE BLOWER SHEAVE 48P2,P3 UNITS 48P4,P5 UNITS Part Number Pitch Diameter (in.) Part Number Pitch Diameter (in.) BELTS QTY...P/N CENTER DISTANCE RANGE (in.) BELTS QTY...P/N CENTER DISTANCE RANGE (in.) Sizes 030-050 6* 2...3 7/8 656/500 1VL44 4.1-3.1 BK115 11 1...BX71 23.62-26.50 1...BX46 11.40-13.26 6† 2...3 11/8 656/500 1VP44L 4.1-3.1 BK115 11 1...BX71 23.62-26.50 1...BX46 11.40-13.26 10** 2...5 11/8 785/621 1VP50L 4.7-3.7 BK110 10.4 1...BX71 23.62-26.50 1...BX46 11.16-13.05 15** 2...7.5 13/8 882/717 1VP65 6.0-4.8 BK130 12 1...BX77 23.62-26.50 1...BX53 11.40-13.26 20** 2...10 13/8 1000/854 1VP75 7.0-5.8 BK130 12 1...BX79 23.62-26.50 1...BX53 11.04-12.95 Sizes 055-100 10 2...5 11/8 740 2P3V45 4.5 2Q3V106 10.6 2...3VX71 22.71-26.38 2...3VX50 10.91-13.30 15 2...7.5 13/8 820 2P3V50 5.0 2Q3V106 10.6 2...3VX71 22.71-26.38 2...3VX50 10.78-13.20 20 2...10 13/8 920 2P3V56 5.6 2Q3V106 10.6 2...3VX75 22.71-26.38 2...3VX50 10.78-13.20 *High-efficiency motor option. NOTE: Part numbers are Browning Manufacturing Corp. reference. †Premium-efficiency motor option. **Applies to both motor options. Table 8 — Optional High-Capacity Power Exhaust Fan Drive Data TOTAL HP MOTOR QTY...HP MOTOR SHAFT DIA. (in.) SPEED RPM MOTOR SHEAVE BLOWER SHEAVE QTY...BELT CENTER DISTANCE RANGE (in.) Part Number Pitch Diameter (in.) Part Number Pitch Diameter (in.) 20 2...10 1.375 714 2B5V48 4.8 2B5V124 12.4 2...BX93 32.8 to 36.7 30 2...15 1.625 841 2B5V58 5.8 2B5V124 12.4 2...BX93 32.6 to 36.5 40 2...20 1.625 928 2B5V58 5.9 2B5V110 11.1 2...5VX950 32.6 to 36.5 50 2...25 1.875 1020 2B5V64 6.5 2B5V110 11.1 2...5VX950 32.5 to 36.3 60 2...30 1.875 1094 2B5V68 6.9 2B5V110 11.1 2...5VX950 32.5 to 36.3 Table 9 — Optional Return Fan Drive Data TOTAL HP MOTOR QTY...HP MOTOR SHAFT DIA. (in.) SPEED RPM MOTOR SHEAVE BLOWER SHEAVE QTY...BELT CENTER DISTANCE RANGE (in.) Part Number Pitch Diameter (in.) Part Number Pitch Diameter (in.) 20 1...20 1.625 1104 3B5V52 5.3 3R5V85 8.5 3...5VX1000 38.1 to 41.0 25 1...25 1.875 1209 3B5V66 6.7 3R5V97 9.8 3...5VX1060 38.9 to 41.8 30 1...30 1.875 1271 3B5V60 6.1 3R5V85 8.5 3...5VX1030 38.9 to 41.8 40 1...40 2.125 1396 3B5V66 6.7 3R5V85 8.5 3...5VX1060 39.9 to 42.8 9 10 Fig. 1 — Roof Curb — Sizes 030-050 11 Fig. 2 — Roof Curb — Sizes 055, 060 12 Fig. 3 — Roof Curb — Sizes 070-100 Fig. 4 — Conde nse r Se ct io n Ro of Curb ( S izes 0 70 a nd 075 ) 13 Fig. 5 — Condenser Section Roof Curb ( Sizes 090 and 100) 14 9 3/4" "X"NO GASKET 4 REF. DETAIL A-A A A "X" 4 1 3 2 CONDENSER END SUPPORT Fig. 6 — Gasket Location on Roof Curb (Size 070-100 Units) 5 5 Fig. 7 — Gasket Location — Condenser Section Roof Curb (Size 070-100 Units) 15 31 4 32 31 4 32 Fig. 8 — Gasket Location on Roof Curb (48P075-100 Units with Optional High-Capacity Power Exhaust) Step 8 — Connect Condensate Drain — There are a total of five drain connections required on each unit: oneprimary drain (on right-hand side of the unit) and four secondary drains (two on each side of unit). PRIMARY DRAIN — The primary drain is a 2-in. FPT pipeconnection located on the right-hand side of the unit looking atthe unit from the return air end. See Fig. 12-21. Fig. 22 showsthe additional length of units with an extended chassis. With field-supplied fittings and pipe sections, plumb the primary condensate drain to the 2-in. FPT connector on the baserail. Use a trap height of at least 4-in. for size 030-070 unitsand 7-in. for size 075-100 units. See Fig. 23 and 24. Install witha height dimension of at least 2-in. from the top of the exit pipefrom the trap section to the bottom of the connector. Apply abead of RTV or similar sealant around the pipe joint at the connector in the base rail. SECONDARY DRAINS (Units Installed on Curb) — There are two secondary drain connections on eachside of the unit. See Fig. 25. There are secondary drains oneach side of the unit in the filter section and on each side of the unit in the supply fan section. There are labels marking each location on the unit base rail. See Fig. 12-21. Locate the four 11/4-in. drain coupling assemblies andmounting screws (shipped in a bag taped to the basepan in thesupply fan section, located behind the access panel markedFAN SECTION). The drain couplings are a 10-gage plate with a 11/4 in. half coupling welded to the plate. At each secondary drain hole location, there is a 13/8-in. hole pre-drilled in the bottom of the base rail, surrounded by four 0.20-in. engagement holes. Install a drain coupling assembly using screws provided at each secondary drain hole location. See Fig. 26. Do not attach any drain coupling assembliesin the condenser section base rail. Using field-supplied fittings and pipe sections, assemble U- traps at each secondary drain fitting. See Fig. 27. Provide a minimum size of .-in. pipe for secondary drains. Use a trap atleast...
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