48SS-3SB
48SS018, 024, 030, 036, 042, 048 & 060
STANDARD-EFFICIENCY
COMBINATION GAS HEATING/
ELECTRIC COOLING UNITS
ÐPERFORMANCE DATA
ÐCERTIFIED DIMENSION PRINT
ÐCERTIFIED ROOF CURB DIMENSION PRINT
R 1997 Carrier Corporation · Syracuse, New York 13221
Form 48SS-3SB Supersedes 48SS-2SB |
Printed in U.S.A. |
5-97 |
Catalog No. 514-847 |
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48SS018, 024, 030, 036, 042, 048 & 060 |
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Date: |
Supersedes: |
STANDARD-EFFICIENCY |
48SS |
Rev.: |
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COMBINATION GAS HEATING/ |
-3SB |
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ELECTRIC COOLING UNITS |
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JOB DATA: |
LOCATION: |
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BUYER: |
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BUYER P.O. # |
CARRIER # |
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UNIT NUMBER: |
MODEL NUMBER: |
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PERFORMANCE DATA CERTIFIED BY: |
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DATE: |
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DESCRIPTION |
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48SS units are standard-efficiency, one-piece gas heating electric cooling units, |
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pre-wired and pre-charged at the factory. |
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48SS units are convertible discharge units that can be used for either horizon- |
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tal or down discharge installations. |
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ARI 210 |
ARI 270 |
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FEATURES
Standard one-year warranty.
Five-year Extended Protection Plan for the compressor. Ten-year non-prorated warranty on heat exchanger.
Units are ``Rated in accordance with ARI Standard No. 270 and 210/240.''
Standard unit as factory assembled is design certi®ed and listed by UL and CSA.
Low temperature cooling operation standard to 40 F (4 C).
Hermetic compressor with internal linebreak and overload protection, self lubricating. Scroll compressors on 4 and 5 ton sizes.
Crankcase heater is standard on 024-042 3-phase units. (Not required on 018, 048 and 060 units.)
Indoor and outdoor coils constructed of aluminum ®ns mechanically bonded to seamless copper tubes.
48SS units have single-stage cooling and heating. Foil-faced cleanable insulation.
Sloped non-corrosive condensate drain pan.
Single-point gas connection.
Alternate electrical connections on opposite sides of unit.
Disconnect in accordance with NEC, must be ®eld-supplied and installed.
Multi-speed, direct drive indoor fan motor.
Weatherized cabinets. Heavy duty phosphated zinc-coated prepainted steel. Capable of withstanding 500-hour salt spray.
24-volt control circuit.
Heating controls include a direct spark ignition with ¯ame recti®cation. Fan switch, overtemperature switch, and ¯ame rollout switch also included.
Induced-draft with hall effect sensor (to prove proper inducer draft motor operation).
Alumaguard™ coated ``Super-S'' four-pass heat exchanger.
Integrated gas control board provides anti-cycle protection for gas heat operation.
Base rail standard on all 3-phase units.
PERFORMANCE DATA
Operating Weight |
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lb (unit); |
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lb (curb) |
CFM |
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Ext. Static Pressure |
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in. wg |
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COOLING |
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Indoor Fan Motor |
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Hp |
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Rpm |
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Bhp |
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Net Total Capacity |
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Btuh |
HEATING |
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Net Sensible Capacity |
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Btuh |
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Input |
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Btuh |
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Compressor Power Input |
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kW |
@ |
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°F |
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Outdoor-Air Temperature |
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Output |
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Btuh |
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Indoor Entering Air db |
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°F |
wb |
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°F |
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AFUE |
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% |
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SEER/EER |
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ELECTRICAL DATA
Power Supply to Unit |
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Volts |
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Phase |
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Hz. |
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Minimum Circuit Amps |
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Maximum Overcurrent Protection |
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ACCESSORIES AND OPTIONS
FACTORY-INSTALLED OPTIONS
MCommercial Grade Base Rail
MDedicated Downshot/Base Rail
FIELD-INSTALLED ACCESSORIES
M30% Open Manual Fresh Air Damper
MRoof Curb: M 89 Height M 119 Height M 149 Height
MOne-in. Filter Rack
MCrankcase Heater Ð Single Phase Only (Required with 0° Low Ambient)
FIELD-INSTALLED ACCESSORIES (cont)
MProgrammable Electronic Thermostat
MThermostat and Subbase
M0° Low Ambient
MTime Guardt II
ML.P. Conversion Kit
MControls Upgrade Kit (High and Low-Pressure Switch)
MExternal Condensate Trap
MNatural Gas High-Altitude Kit (2000-5000 ft Above Sea Level)
2
CERTIFIED DIMENSION PRINT
REQ'D CLEARANCES FOR SERVICING Ð in. (mm)
Duct Panel . . . . . . . . . . . . . . . . . . . . . . . . 0 Unit Top . . . . . . . . . . . . . . . . . . . . . 36 (914.4) Side Opposite Ducts . . . . . . . . . . . . . . 36 (914.4) Compressor Access . . . . . . . . . . . . . . 36 (914.4) (Except for NEC requirements)
REQ'D CLEARANCES TO COMBUSTIBLE MAT'L
Ð in. (mm) |
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Maximum Extension of Overhangs . . . |
. . . 48 (1219.2) |
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Unit Top . . . . . . . . . . . . . . . . . . |
. . . 14 (355.6) |
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Duct Side of Unit . . . . . . . . . . . . . |
. . . . 2 (50.8) |
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Side Opposite Ducts . . . . . . . . . . . |
. . . 14 (355.6) |
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Bottom of Unit . . . . . . . . . . . . . . |
. . . . . . . 0. |
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Flue Panel . . . . . . . . . . . . . . . . |
. . . 36 (914.4) |
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NEC (National Electrical Code) REQ'D CLEARANCES |
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Ð in. (mm) |
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Between Units, Control Box Side . . . . . |
. . 42 (1066.8) |
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Unit and Ungrounded Surfaces, |
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Control Box Side . . . . . . . . . . . . |
. . . 36 (914.4) |
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Unit and Block or Concrete Walls and Other |
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Grounded Surfaces, Control Box Side |
. . . 42 (1066.8) |
NOTE: Clearances must be maintained to prevent recirculation of air from outdoor fan discharge.
OUTDOOR COIL
INDOOR COIL
UNIT |
ELECTRICAL |
UNIT |
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CORNER WEIGHT |
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WEIGHT |
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(lb/kg) |
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48SS |
CHARACTERISTICS |
kg |
A |
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B |
C |
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D |
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lb |
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018040 |
208/230-1-60 |
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272 |
123 |
81/37 |
62/28 |
76/35 |
53/24 |
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024040 |
208/230-1-60 |
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303 |
138 |
97/44 |
43/20 |
123/56 |
40/18 |
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024060 |
208/230-1-60 |
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315 |
143 |
100/45 |
46/21 |
126/57 |
43/20 |
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030040 |
208/230-1-60 |
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320 |
145 |
100/45 |
47/21 |
126/57 |
47/21 |
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030060/080 |
208/230-1-60 |
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324 |
147 |
94/43 |
63/29 |
115/52 |
52/24 |
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036060/080 |
208/230-1-60 |
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336 |
153 |
86/39 |
76/35 |
111/50 |
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63/29 |
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036100/120 |
208/230-1-60 |
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348 |
158 |
89/40 |
79/36 |
114/52 |
66/30 |
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042060/080 |
208/230-1-60 |
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375 |
170 |
95/43 |
86/39 |
119/54 |
75/34 |
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042100/120 |
208/230-1-60 |
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387 |
176 |
98/45 |
89/40 |
122/55 |
78/35 |
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UNIT |
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DIMENSION |
CENTER OF GRAVITY |
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UNIT |
HEIGHT |
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(in./mm) |
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(in./mm) |
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48SS |
(in./mm) |
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E |
F |
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G |
X |
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Y |
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Z |
018040 |
24.12/612.8 169¤16/420.7 1815¤16/481.0 |
25.07/637 |
20.59/523 |
10.85/276 |
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024040 |
24.12/612.8 169¤16/420.7 1815¤16/481.0 |
27.07/688 |
23.35/693 |
10.85/276 |
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024060 |
24.12/612.8 169¤16/420.7 1815¤16/481.0 |
26.98/685 |
23.27/591 |
10.85/276 |
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030040 |
24.12/612.8 169¤16/420.7 1815¤16/481.0 |
26.71/678 |
23.46/596 |
10.85/276 |
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030060/080 24.12/612.8 169¤16/420.7 1815¤16/481.0 27.15/689 22.36/568 10.85/276 |
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036060/080 24.12/612.8 169¤16/420.7 1815¤16/481.0 27.50/698 22.48/571 10.85/276 |
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036100/120 24.12/612.8 169¤16/420.7 1815¤16/481.0 27.40/696 22.44/570 10.85/276 |
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042060/080 28.12/714.2 209¤16/522.3 2215¤16/582.6 27.01/686 22.44/570 12.65/321 |
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042100/120 28.12/714.2 209¤16/522.3 2215¤16/582.6 |
26.94/684 |
22.44/570 |
12.65/321 |
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INDOOR COIL ACCESS |
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3