Carrier NP034-074 Installation, Start-up And Service Instructions Manual

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Carrier NP034-074 Installation, Start-up And Service Instructions Manual Manual pdf 6 page image

Table 2 — Operating Weights of Options and AccessoriesOPTION OR ACCESSORY UNIT SIZE034 044 054 064 074Roof Curb48DJ,DK,NP50DW,DY,NB50DJ,DK,NP450450380480480465515560515515560515515560515Condenser Section Roof Curb — — 540 540 625Economizer 300* 300* 530* 530* 530*Power Exhaust 600* 600* 710* 710* 710*Barometric Relief 200 200 200 200 200High-Efficiency Filters 20 20 20 20 20Bag filters 35 35 40 40 40Hail Guard 120 150 145 145 210Copper Condenser Coil Fins 180 235 235 235 420Electric Heat† 150 150 150 150 150Inlet Guide Vanes 95 95 115 115 115*Includes hood.†50 Series vertical discharge units.Field-Fabricated Ductwork — Units are designed forvertical supply/return only. Field-fabricated ductwork shouldbe attached to the roof curb. Supply and return duct dimen-sions are shown in Fig. 3A-3C.To attach ductwork to roof curb, insert duct approxi-mately 10 to 11 in. up into roof curb. Connect ductwork to14-gage roof curb material with sheet metal screws drivenfrom inside of the duct.Secure all ducts to the building structure, using flexibleduct connectors between roof curb and ducts as required. Ductspassing through an unconditioned space must be insulatedand covered with a vapor barrier. Outlet grilles must not liedirectly below unit discharge. The return duct must have a90-degree elbow before opening into the building space ifunit is equipped with power exhaust.Design supply duct strong enough to handle expected staticpressures.UNIT CENTER OF GRAVITY AND CORNER WEIGHTSUNIT CORNER WEIGHT (lb) DIMENSIONS (Ft-in.)1 2 3 4 A B48DJD,DKD,NPD034 1754 1213 1216 1758 14- 9 3- 8044 2035 1382 1385 2039 17- 3 3- 8054 2334 2276 2281 2339 19- 7 3-10064 2431 2328 2334 2437 19- 7 3-10074 2452 2518 2523 2457 21- 0 3-1048DJE,NPE034 1781 1251 1253 1785 14- 8 3-10044 2057 1424 1428 2061 17- 2 3-10054 2375 2295 2300 2380 19- 7 3-10064 2393 2373 2378 2506 19- 7 3-10074 2494 2541 2546 2499 21- 0 3-1050DW,DY,NB034 1864 1268 1271 1867 13- 3 3-10044 2070 1387 1389 2074 15-10 3-10054 2381 2005 2009 2385 19-10 3-10064 2461 2074 2078 2467 19-10 3-10074 2551 2194 2199 2556 21- 3 3-1050DJ,DK,NP034 1674 1173 1175 1678 13- 9 3-10044 1879 1292 1295 1884 16- 3 3-10054 2090 2021 2025 2094 18- 2 3-10064 2188 2073 2077 2192 18- 2 3-10074 2212 2263 2269 2216 21- 3 3-10NOTE: Weights include economizer.Fig. 2 — Weight Distribution and Center of Gravity6