Maytag PSH4BI Technical Literature
TECHNICAL SPECIFICATIONS
Model PSH4BI Series
M1200 Product Line
R-410A Ultra High Efficiency Heat Pump
22.0 SEER — 2-3-4 Ton Capacity
• M1200 – 12 YEAR ALL
PARTS LIMITED WARRANTY
• M1200 WITH UPGRADED
WARRANTY PACKAGE -
12 YEAR ALL PARTS & LABOR
LIMITED WARRANTY
• Both the standard and
upgraded limited warranty
packages offer a 12 Year
Dependability Promise to
replace the entire unit, if the
unit’s major component (heat
exchanger or compressor)
fails within the rst 12 years
of operation, to the original
owner. All split system
products must be installed
with a matched indoor air
handler or indoor coil
to qualify.
• Product registration (by
consumer or dealer) required
for 12-year Warranty and
Dependability Promise within
a limited period of time after
the installation. See current
warranty document for
details. This can be viewed at
www.maytaghvac.com or
ask your sales representative.
• Dealer is responsible for
registration of labor portion
of warranty.
The iQ Drive® Heat Pump System features fully variable
speed compressor technology and variable speed indoor
and outdoor motors. The system provides variable cooling
capacity as needed. It operates near the nominal rated
capacity at the thermostat set point and modulates as
temperature difference between set point and room
temperature changes. The system may run at additional 18%
capacity to provide rapid cooling or heating. The system
has a built-in humidity control that will activate humidifier
equipment (if supplied), and reduces blower speed if indoor
relative humidity is greater than set point (default set at 60%).
Features and Benefits
• iQ Drive – Inverter driven Panasonic rotary compressor which provides
fully variable operation.
• R-410A Refrigerant – Environmentally friendly non-ozone depleting
refrigerant.
• Designed using galvanized steel – with a polyester urethane coat
finish. The 950 hour salt spray finish resists corrosion 50% better than
comparable units.
• Copper Tube / Aluminum Fin Coils – Both indoor and outdoor coils are
designed to optimize heat transfer, minimize size and cost, and increase
durability and reliability.
• Permanently Lubricated Motor – A heavy duty brushless motor for long
lasting reliability and quiet operation. Requires no maintenance and is
completely protected from rain and snow.
• Compressor Sound Blanket – Engineered to significantly reduce unwanted
compressor noise.
• Swept-Wing Fan Blade – Engineered to provide quiet operation. The
specific energy absorbing hub is designed to reduce noise while operating
through various frequencies.
• Louvered Condenser Guard – Durable metal guard protects the coil from
yard hazards and extreme weather.
• Removable Top Grille Assembly – Allows ease of service from the top
without disconnecting fan motor leads.
• High Pressure Switch – Protects against abnormally high system
pressures. Auto-reset feature prevents nuisance service visits.
• Low Pressure Switch – Protects against loss of system refrigerant charge.
• Liquid Line Filter Drier – Included with unit, field installed.
• One Piece Top/Orifice – Designed for maximum airflow and
quiet operation.
• Easy Compressor and Control Access – Designed to make servicing
easier for the contractor, access panels are provided to all controls and
the compressor from the side of the unit.
• Highest Efciency with the lowest Sound Levels – Up to 22 SEER with
sound ratings of 59-72dB depending upon operating conditions.
2
DIMENSIONS/OUTDOOR SECTION
22 SEER — Ultra High Efficiency
PSH4BI 024K 036K 048K
H 37 41 45
W 31 1/4 31 1/4 31 1/4
D 31 1/4 31 1/4 31 1/4
Air Discharge
Allow Adequate Clearance for Airow
D
W
IDENTIFICATION CODE
P S H 4 B I 036 K
P - Premier
S - Split
H - Heat Pump
Generation 1, 2, 3, etc.
Product
Identier
BI = Braze 20-25 SEER
H
Electrical Code
K = 208/230-60-1
Nominal Capacity
(000) BTU
3
PHYSICAL AND ELECTRICAL SPECIFICATIONS/OUTDOOR UNITS
22 SEER — Ultra High Efficiency
Model Number PSH4BI- 024K 036K 048K
Electrical Data
Condenser Data
Refrigerant suction line O.D.
(all length of liquid line are
3/8” O.D.)
Refrigerant charge (R-410A) in ounces for outdoor unit, indoor unit and 15’ lineset.
Weight Net 190 220 225
Approximate (lbs.) Ship 200 230 235
(1) Operating Voltage Range: 187v min. — 253v max.
(2) HACR Type Circuit Breakers may be used.
(3) Requires Reducer.
Note:
Refrigerant Tubing Limitations-The compressor manufacturer
imposes a maximum equivalent line set length of 100ft.
Furthermore, vertical elevation shall not exceed 50 ft.
Volts-Cycles-Phase (1) 208/230-60-1 208/230-60-1 208/230-60-1
Total Amps 13.0 18.0 22.0
Delay Fuse Max. (2) 25 35 45
Min. Circuit Ampacity 16.6 22.9 27.1
Coil
Fan Motor
Fan Blade
Compressor Data RLA 11.4 16.4 20.4
2
Area(ft
) 20.3 22.8 25.4
Rows-FPI 1 - 20 1 - 20 1 - 20
Tube Dia 3/8” O.D. 3/8” O.D. 3/8” O.D.
Type Brushless DC Brushless DC Brushless DC
Amps 1.6 1.6 1.6
HP 0.5 0.5 0.5
Dia-# Blades 24” - 2 24” - 2 24” - 2
SCFM 3200 3400 3600
0-24 ft. 3/4” 7/8” 7/8”
25-39 ft. 3/4” 7/8” 1 1/8” (3)
40-75 ft. 7/8”(3) 1 1/8” (3) 1 1/8” (3)
171 203 203
COPPER WIRE SIZE — AWG
(1% Voltage Drop)
Supply Wire Length-Feet
200 150 100 50
6 8 10 14 15
4 6 8 12 20
4 6 8 10 25
4 4 6 10 30
3 4 6 8 35
3 4 6 8 40
2 3 4 6 45
2 3 4 6 50
Wire Size based on N.E.C. for 60° type copper conductors.
Supply Circuit
Ampacity
SYSTEM COOLING CAPACITIES
22 SEER — Ultra High Efficiency — Single Phase
Outdoor Unit
Model Number PSH4BI-
024K B6VMAI24KB 11,300-26,900 14.6 22 22,800 500-950
036K B6VMAI36KB 14,200-40,700 13.0 21 35,000 680-1110
048K B6VMAI48KC 14,300-48,000 12.5 21 44,500 725-1800
Minimum operating ambient temperature is 40°F
NOTE: Each system was operated at its nominal capacity.
Indoor conditions were 80F° dry-bulb temperature and 67F° wet-bulb temperature (approx. 51% relative humidity, 95
Indoor Unit
Range
Cooling Capacity @95°
OD BTUH
EER @ Nominal
Capacity
SYSTEM HEATING CAPACITIES
22 SEER — Ultra High Efficiency — Single Phase
Outdoor Unit
Model Number PSH4BI-
024K B6VMAI24KB 6,500-24,100 22,400 10 3.9 500-950
036K B6VMAI36KB 11,300-39,900 34,000 9.6 3.4 680-1110
048K B6VMAI48KC 11,400-47,800 46,000 10 3.6 725-1800
Minimum operating ambient temperature is 12°F
NOTE: Each system was operated at its nominal capacity.
Indoor conditions were 70F° dry-bulb temperature and 47F° dry bulb temperature, 43F
Indoor Unit
Heating Capacity @47° OD
See current AHRI Directory for certified combinations and ratings.
www.ahridirectory.org
Range
Nominal Capacity HSPF
BTUH
° wet bulb outdoor temperature
SEER
° outdoor temperature.)
Nominal
Capacity
COP @
Nominal
Capacity
Range
SCFM
CFM
4
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