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Resumen del manual
On units with a return fan or high-capacity power exhaust, the largest motors and VFD are also included. These weights do not include the impact of other factory-installed options such as barometric relief, power exhaust, high-capacity indoor coil, hot water coil, or indoor fan. Fig. 11 — Weight Distribution and Center of Gravity 19 3 4 2 A B 1 48P2,P3,P4,P5 UNITS SIZE CORNER WEIGHTS (lb) TOTAL (lb) A in. B in. WITH OPTIONAL RETURN FAN 1 2 3 4 Vertical Supply/Return Horizontal Supply/Return Low Heat 075 090 100 3470 3327 3302 3449 3745 3782 2693 3097 3127 2709 2751 2730 12,321 12,921 12,941 224 5/8 232 5/8 230 3/8 40 1/4 41 1/2 41 1/2 Vertical Supply/Return Horizontal Supply/Return High Heat 075 090 100 3543 3377 3370 3449 3767 3785 2693 3115 3130 2766 2793 2787 12,451 13,051 13,071 226 7/8 233 3/4 232 7/8 40 1/4 41 1/2 41 1/2 Vertical Supply/Return Horizontal Supply/Return Low Heat with Extended Chassis 075 090 100 3609 3467 3437 3618 3906 3948 2825 3230 3264 2818 2867 2842 12,871 13,471 13,491 236 1/4 244 1/4 241 3/4 40 1/4 41 1/2 41 1/2 Vertical Supply/Return Horizontal Supply/Return High Heat with Extended Chassis 075 090 100 3681 3517 3505 3620 3928 3951 2826 3248 3267 2874 2908 2898 13,001 13,601 13,621 238 1/2 245 3/8 244 1/4 40 1/4 41 1/2 41 1/2 NOTE: The weight distribution and center of gravity information include the impact of an economizer, the largest indoor fan motor, and a VFD (variable frequency drive). On units with a return fan or high-capacity power exhaust, the largest motors and VFD are also included. These weights do not include the impact of other factory-installed options such as barometric relief, power exhaust, high-capacity indoor coil, hot water coil, or indoor fan. Fig. 11 — Weight Distribution and Center of Gravity (cont) 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. After final positioning of the unit, perform the followingprocedure: 1. At each of the four secondary drain locations (markedwith labels on the unit base rail), position the drain coupling assembly in the side of the base rail. Mark the screw holes and the drain hole locations on the base rail. 2. Drill holes for drain outlet (use 13/8-in. hole saw) and forthe mounting screws (use 3/16-in. drill bit). 3. Install a drain coupling assembly using screws providedat each secondary drain hole location. 4. Using field-supplied fittings and pipe sections, assembleU-traps at each secondary drain fitting. See Fig. 24. Provide minimum size of .-in. pipe for secondary drains. Use a trap at least 4-in. deep for size 030-070 units and7-in. deep for size 075-100 units. 5. Apply a bead of RTV or similar sealant around the drainassemblies. Consult local plumbing codes for direction on joining multiple drain lines. Total size of any combined line does not need toexceed nominal 2-in. size of primary drain connection. Fill the U-traps at the secondary drain locations prior to unit start-up. Also check the U-traps before each cooling season toensure the traps are filled and functioning properly. 20 21 Fig. 12 — Base Unit Dimensional Drawing — 48P2,P3030,035 (Standard Chassis Unit Shown) a48-8613 22 Fig. 13 — Base Unit Dimensional Drawing — 48P4,P5030,035 (Standard Chassis Unit Shown) a48-8614 23 Fig. 14 — Base Unit Dimensional Drawing — 48P2,P3040-050 (Standard Chassis Unit Shown) a48-8615 24 Fig. 15 — Base Unit Dimensional Drawing — 48P4,P5040-050 (Standard Chassis Unit Shown) a48-8616 25 Fig. 16 — Base Unit Dimensional Drawing — 48P2,P3055,060 (Standard Chassis Unit Shown) a48-8617 26 Fig. 17 — Base Unit Dimensional Drawing — 48P4,P5055,060 (Standard Chassis Unit Shown) a48-8618 27 Fig. 18 — Base Unit Dimensional Drawing — 48P2,P3070 (Standard Chassis Unit Shown) a48-8619 28 Fig. 19 — Base Unit Dimensional Drawing — 48P4,P5070 (Standard Chassis Unit Shown) a48-8620 29 Fig. 20 — Base Unit Dimensional Drawing — 48P2,P3075-100 (Standard Chassis Unit with Optional High-Capacity Power Exhaust Shown) a48-8621 30 Fig. 21 — Base Unit Dimensional Drawing — 48P4,P5075-100 (Standard Chassis Unit with Optional Return Fan Shown) a48-8622 A B AUXILIARY COIL LOCATION (in.) UNIT SIZES DISTANCE A HEIGHT B 030,035 123.0 6.6 040,050 156.8 6.6 055-070 200.4 6.6 075-100 200.4 6.6 075-100 with High- Capacity Power Exhaust 279.2 6.6 Fig. 22 — Units with Optional Extended Chassis — Location of Coil Tracks Fig. 23 — Primary Drain Connection Fig. 25 — Secondary Condensate DrainLocation (Curb Mount) A 2” MIN. (51 mm) a48-8458 A = 4-in. (102 mm) min — Sizes 030-070 7-in. (178 mm) min — Sizes 075-100 Fig. 24 — Slab-Mounted Condensate Drain Piping Details 2” MIN. (51 mm)A a48-8460 A = 4-in. (102 mm) min — sizes 030-070 7-in. (178 mm) min — sizes 075-100 Fig. 26 — Curb-Mounted Condensate Drain Pipe Details 31 a48-8459 16-GAGE METAL SEAL...
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