48mp 62l, 70m, 82n, 90p, 10r single packaged gas

48MP-1SB
48MP 62L, 70M, 82N, 90P, 10R
SINGLE PACKAGED GAS HEATING/
ELECTRIC COOLING UNITS
VARIABLE AIR VOLUME
CONSTANT VOLUME
— PERFORMANCE DATA
— CERTIFIED DIMENSION PRINTS
— CERTIFIED ROOF CURB
DIMENSION PRINTS
R 1998 Carrier Corporation • Syracuse, New York 13221
Form 48MP-1SB New
Printed in U.S.A.
4-98
Catalog No. 514-871
Date:
48MP 62L, 70M, 82N, 90P, 10R
SINGLE PACKAGED GAS HEATING/
ELECTRIC COOLING UNITS
VARIABLE AIR VOLUME
CONSTANT VOLUME
Supersedes:
JOB NAME:
LOCATION:
BUYER:
BUYER P.O. #
UNIT NUMBER:
MODEL NUMBER:
PERFORMANCE DATA CERTIFIED BY:
48MP
Rev.:
CARRIER #
DATE:
DESCRIPTION
Models 48MP is a one-piece heating/cooling unit that is pre-wired and pre-charged with R-22 at
the factory. Units incorporate vertical supply and return connections are available as either Constant
Volume or Variable Air Volume models. The standard unit is factory assembled, rated in accordance
with ARI 360, tested in accordance with UL Standard 1995, and listed by ETL. Units are available in
460-3-60.
• 48MPD units are low heat units with 685 MBtuh input natural gas heat
• 44MPE units are high heat units with 1025 MBtuh input natural gas heat
FEATURES
Standard one-yeat product warranty
Optional four-year extended protection plan on motor-compressor
Hinged access panels
All access panels are double-wall construction
Weather-tight construction
All hoods shipped in place on unit
Pre-painted, double weight galvanized steel on all exterior panels
(500-hour salt spray finish)
Eight gage base rails with bolted, structural steel lifting lugs for
safe handling and rigging
Fully insulated cabinet using TufSkin Rx™ antimicrobial insulation
30% efficiency filters
Dual independent refrigerant circuits
• Full face active, intertwined circuits
• Large replaceable core filter driers in each circuit
• Liquid line solenoid in each circuit
• TXV refrigerant control
• Suction line accumulators in each circuit
• Double sloped stainless steel drain pan
• Large face area (low face velocity) coils
Integrated economizer with spring return motors
Mechanical cooling to 45 F
Multiple Carrier semi-hermetic compressors
• Lead/Lag compressor capability
• Suction and discharge valves on each compressor
• Suction cutoff cylinder unloading
• Up to 11 steps of capacity staging
• Spring isolated
• High and low pressure cutouts
• Overcurrent protection via calibrated circuit breakers
• Crankcase heaters
2
Single, double width, double inlet (DWDI) forward-curved fan
• Sled mounted with two-inch deflection isolation springs
• Fixed pitch drive
Single point electrical connections
All electrical components protected by circuit breakers
115 and 24-volt control circuits
Condenser fans have internally, thermally protected 3-phase
motors
Single-point gas service connections
Aluminized tubular steel heat exchangers
Solid-state electronic spark ignition system — intermittent pilot
Five-year non-prorated warranty on heat exchanger
Heat limit switches, combustion air fan switches and fan motor
are all included.
Full DDC controls
• 365-day timeclock with holiday scheduling
• Full outdoor air management routines on board
Economizer
IAQ
First priority comfort
First priority IAQ
First priority IAQ with comfort override
Constant OA cfm
Pre-occupancy building purge
• Building pressure control (power exhaust option required
• Adaptive optimal start and stop
• Building pressurization and/or purge in response exterior
signal
• 64-character simple English display
• History of recent alarms
• Compatible with building DDC Emergency Management System (EMS) control systems
• Compatible with DAV systems
PERFORMANCE DATA
Unit Operating Weight
lb
HEATING
Btuh
Stage 1 Input
COOLING
Gross Total Capacity
Btuh
Gross Sensible Capacity
Btuh
Indoor Entering Air db
Stage 1 and 2 Input
kW
F
Compressor Power Input
Condenser Air Temperature
F
wb
Btuh
Output
Btuh
Btuh
Output
F
Cfm
Indoor Airflow
in. wg
External Static Pressure
Fan Motor:
Indoor
Hp
Hp
Exhaust
ELECTRICAL DATA
Power Supply to Unit
Volts
Phase
Hz
Maximum Fuse Amps
Minimum Circuit Amps
ACCESSORIES AND OPTIONS
FACTORY-INSTALLED OPTIONS
M
M
M
M
M
M
M
M
M
M
M
Alternate Evaporator Coil
Airfoil Supply Fan
High Efficiency Motor
Non-Fused Disconnect
Hot Gas Bypass
High-Efficiency Filters
Modulating Power Exhaust
Non-Modulating Power Exhaust
Variable Frequency Drives
Copper Fin, Copper Tube Condenser Coils
Coated Aluminum Fin, Copper Tube Condenser Coils
FIELD-INSTALLED ACCESSORIES
M
M
M
M
M
M
M
M
M
Optional 4-Year Extended Compressor Warranty
Optional 5-Year Extended Heat Exchanger Warranty
Roof Curb with Condenser End Support
Space Temperature Sensor (T-56)
Differential Enthalpy Control Sensor
Humidity Control Sensor
Outdoor Air Cfm Package
Transducers/Thermistors Package
IAQ (CO2 ) Sensor (
Space/
Duct)
M
M
M
Compressor Section Security Grille Package
Condenser Coil Guard Package
Condenser Coil Hail Guard Package
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4
CERTIFIED DIMENSION PRINT
UNIT
SIZE
48MPD,E
62L
70M
WEIGHT
lb
16,810
18,060
kg
7624
8190
A
mm
3505
3647
ft-in.
11- 6
11-119⁄16
B
mm
957
1165
ft-in.
3-111⁄16
3-97⁄8
C
mm
5909
6166
ft-in.
19-45⁄8
20-23⁄4
D
mm
1203
1264
ft-in.
3-113⁄8
4- 13⁄4
E
mm
13 011
13 297
F
ft-in.
42-81⁄4
43-71⁄2
mm
14 256
14 542
ft-in.
46-91⁄4
47-81⁄2
NOTES:
1. Dimensions in [ ] are in millimeters.
2.
Center of gravity includes exhaust fan and high heat options. Unit
weight does not include exhaust fan or high heat options.
3. High heat add: 260 lb [118 kg]
Exhaust fan add: 1675 lb [761 kg] on 62L
1775 lb [807 kg] on 70M
4. Unit clearances:
Top — Do not restrict condenser fans, control box end — 68-09.
Sides — 68-09 (except on return fan equipped units — 108-09).
Economizer end — 68-09 (except power exhaust units — 108-09).
For smaller service and operational clearances, contact Carrier Application Engineering Department.
5. Downshot ducts designed to be attached to accessory roof curb. If unit is
mounted on dunnage, it is recommended the ducts be supported by cross
braces as done on the accessory roof curb.
48MPD,E 62L, 70M (YAC)
CUT ALONG DOTTED LINE
CUT ALONG DOTTED LINE
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CERTIFIED DIMENSION PRINT
UNIT
WEIGHT
A
B
C
D
E
F
SIZE
lb
kg
mm
ft-in.
mm ft-in. mm
ft-in.
mm ft-in.
mm
ft-in.
mm
ft-in.
48MPD,E
—
—
6734 22-11⁄8
1753 5-9
13 957 45-91⁄2 15 202 49-101⁄2
82N
22,660 10 295 3646 11-119⁄16
90P
24,660 11 203 1938 6- 45⁄16 2572 8-51⁄4 7283 23-103⁄4 1765 5-91⁄2 14 821 48-71⁄2 16 066 52- 81⁄2
10R
25,110 11 408 1938 6- 45⁄16 2572 8-51⁄4 7268 23-101⁄8 1759 5-91⁄4 14 821 48-71⁄2 16 066 52- 81⁄2
NOTES:
1. Dimensions in [ ] are in millimeters.
2.
Center of gravity includes exhaust fan and high heat options. Unit
weight does not include exhaust fan or high heat options.
3. High heat add: 260 lb [118 kg]
Exhaust fan add: 2275 lb [1034 kg] on 82N
2400 lb [1090 kg] on 90P and 10R
4. Unit clearances:
Top — Do not restrict condenser fans, control box end — 68-09.
Sides — 68-09 (except on return fan equipped units — 108-09).
Economizer end — 68-09 (except power exhaust units — 108-09).
For smaller service and operational clearances, contact Carrier Application Engineering Department.
5. Downshot ducts designed to be attached to accessory roof curb. If unit
is mounted on dunnage, it is recommended the ducts be supported by
cross braces as done on the accessory roof curb.
48MPD,E 82N,90P,10R (YAC)
5
6
CERTIFIED ROOF CURB DIMENSION PRINT
NOTES:
1. Roof curb is shipped disassembled.
2. Roof curb: 14 ga. (VA03-56) steel.
3. Dimensions in [ ] are in millimeters.
4. To prevent standing water in the drain pan of the indoor section,
roof curb and unit must be level within tolerances shown.
VIEW B
(CORNER CONNECTIONS AND
SPLICE PLATE CONNECTIONS)
NOTE: To prevent the hazard of stagnant water build-up in the drain pan on
the indoor section, unit cannot exceed
leveling tolerances shown.
UNIT LEVELING TOLERANCES
FROM EDGE OF UNIT TO HORIZONTAL
ROOF CURB — 48MP 62L, 70M
CAUTION:
1. Roof curb cross rails must be positioned to clear indoor unit base
cross rail locations shown.
2. Carrier roof curbs are designed so that roof curb cross rails clear
the indoor unit base cross rails.
CUT ALONG DOTTED LINE
CUT ALONG DOTTED LINE
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CERTIFIED ROOF CURB DIMENSION PRINT
NOTES:
1. Roof curb is shipped disassembled.
2. Roof curb: 14 ga. (VA03-56) steel.
3. Dimensions in [ ] are in millimeters.
4. To prevent standing water in the drain pan of the indoor section,
roof curb and unit must be level within tolerances shown.
NOTE: To prevent the hazard of stagnant water build-up in the drain pan on
the indoor section, unit cannot exceed
leveling tolerances shown.
UNIT LEVELING TOLERANCES
FROM EDGE OF UNIT TO HORIZONTAL
ROOF CURB — 48MP 82N, 90P, 10R
CAUTION:
1. Roof curb cross rails must be positioned to clear indoor unit base
cross rail locations shown.
2. Carrier roof curbs are designed so that roof curb cross rails clear
the indoor unit base cross rails.
7