Carrier 48SS042, 48SS036, 48SS018, 48SS030, 48SS048 User Manual
...
48SS-3SB
48SS018, 024, 030, 036, 042, 048 & 060
STANDARD-EFFICIENCY
COMBINATION GAS HEATING/
ELECTRIC COOLING UNITS
— PERFORMANCE DATA
— CERTIFIED DIMENSION PRINT
— CERTIFIED 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
Date: Supersedes:
48SS018, 024, 030, 036, 042, 048 & 060
STANDARD-EFFICIENCY
COMBINATION GAS HEATING/
ELECTRIC COOLING UNITS
48SS
JOB DATA: LOCATION:
BUYER: BUYER P.O. # CARRIER #
UNIT NUMBER: MODEL NUMBER:
PERFORMANCE DATA CERTIFIED BY: DATE:
DESCRIPTION
48SS units are standard-efficiency, one-piece gas heating electric cooling units,
pre-wired and pre-charged at the factory.
48SS units are convertible discharge units that can be used for either horizontal or down discharge installations.
ARI 210 ARI 270
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 certified and listed by
UL and CSA.
Low temperature cooling operation standard to 40 F (4 C).
Hermetic compressor with internal linebreak and overload protec-
tion, self lubricating. Scroll compressors on 4 and 5 ton sizes.
Crankcase heater is standard on 024-042 3-phase units. (Not re-
quired on 018, 048 and 060 units.)
Indoor and outdoor coils constructed of aluminum fins mechan-
ically 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 field-supplied and
installed.
Multi-speed, direct drive indoor fan motor.
Weatherized cabinets. Heavy duty phosphated zinc-coated pre-
painted steel. Capable of withstanding 500-hour salt spray.
24-volt control circuit.
Heating controls include a direct spark ignition with flame
rectification. Fan switch, overtemperature switch, and flame 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.
Rev.:
-3SB
PERFORMANCE DATA
Operating Weight lb (unit); lb (curb)
COOLING
Net Total Capacity
Net Sensible Capacity
Compressor Power Input
kW @ °F
Btuh
Btuh
Outdoor-Air Temperature
Indoor Entering Air db
°F wb °F
SEER/EER
ELECTRICAL DATA
Power Supply to Unit Volts Phase Hz.
Minimum Circuit Amps
ACCESSORIES AND OPTIONS
FACTORY-INSTALLED OPTIONS
M Commercial Grade Base Rail
M Dedicated Downshot/Base Rail
FIELD-INSTALLED ACCESSORIES
M 30% Open Manual Fresh Air Damper
M Roof Curb:
M 89 Height
M 119 Height
M 149 Height
M One-in. Filter Rack
M Crankcase Heater — Single Phase Only
(Required with 0° Low Ambient)
CFM Ext. Static Pressure in. wg
Indoor Fan Motor
Hp Rpm Bhp
HEATING
Input
Output
AFUE
%
Maximum Overcurrent Protection
FIELD-INSTALLED ACCESSORIES (cont)
M Programmable Electronic Thermostat
M Thermostat and Subbase
M 0° Low Ambient
M Time Guardt II
M L.P. Conversion Kit
M Controls Upgrade Kit (High and
Low-Pressure Switch)
M External Condensate Trap
M Natural Gas High-Altitude Kit (2000-5000 ft
Above Sea Level)
Btuh
Btuh
2
CERTIFIED DIMENSION PRINT
REQ’D CLEARANCES FOR SERVICING — 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
— in. (mm)
Maximum Extension of Overhangs ......48(1219.2)
Unit Top .....................14(355.6)
Duct Side of Unit .................2(50.8)
Side Opposite Ducts ..............14(355.6)
Bottom of Unit ......................0
Flue Panel ...................36(914.4)
NEC (National Electrical Code) REQ’D CLEARANCES
— in. (mm)
Between Units, Control Box Side .......42(1066.8)
Unit and Ungrounded Surfaces,
Control Box Side ...............36(914.4)
Unit and Block or Concrete Walls and Other
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
48SS
ELECTRICAL
CHARACTERISTICS
UNIT
WEIGHT
lbkgABCD
CORNER WEIGHT
(lb/kg)
018040 208/230-1-60 272 123 81/37 62/28 76/35 53/24
024040 208/230-1-60 303 138 97/44 43/20 123/56 40/18
024060 208/230-1-60 315 143 100/45 46/21 126/57 43/20
030040 208/230-1-60 320 145 100/45 47/21 126/57 47/21
030060/080 208/230-1-60 324 147 94/43 63/29 115/52 52/24
036060/080 208/230-1-60 336 153 86/39 76/35 111/50 63/29
036100/120 208/230-1-60 348 158 89/40 79/36 114/52 66/30
042060/080 208/230-1-60 375 170 95/43 86/39 119/54 75/34
042100/120 208/230-1-60 387 176 98/45 89/40 122/55 78/35
UNIT
48SS
018040 24.12/612.8 16
024040 24.12/612.8 16
024060 24.12/612.8 16
030040 24.12/612.8 16
030060/080 24.12/612.8 16
036060/080 24.12/612.8 16
036100/120 24.12/612.8 16
042060/080 28.12/714.2 20
042100/120 28.12/714.2 20
INDOOR COIL ACCESS
UNIT
HEIGHT
(in./mm)
EFGXYZ
DIMENSION
(in./mm)
9
⁄16/420.7 1815⁄16/481.0 25.07/637 20.59/523 10.85/276
9
⁄16/420.7 1815⁄16/481.0 27.07/688 23.35/693 10.85/276
9
⁄16/420.7 1815⁄16/481.0 26.98/685 23.27/591 10.85/276
9
⁄16/420.7 1815⁄16/481.0 26.71/678 23.46/596 10.85/276
9
⁄16/420.7 1815⁄16/481.0 27.15/689 22.36/568 10.85/276
9
⁄16/420.7 1815⁄16/481.0 27.50/698 22.48/571 10.85/276
9
⁄16/420.7 1815⁄16/481.0 27.40/696 22.44/570 10.85/276
9
⁄16/522.3 2215⁄16/582.6 27.01/686 22.44/570 12.65/321
9
⁄16/522.3 2215⁄16/582.6 26.94/684 22.44/570 12.65/321
CENTER OF GRAVITY
(in./mm)
3
Loading...