American Standard PLA-A24EA8 BTU Commercial Ceiling Cassette Single Zone Heat Pump Instruction Manual

American Standard PLA-A24EA8 BTU Commercial Ceiling Cassette Single Zone

Heat Pump

Product Information

Specifications

Product Usage Instructions

Installation

1. Choose a suitable location for the indoor unit on the ceiling.
2. Ensure there is enough space in the ceiling for installation.
3. Connect the indoor unit to the outdoor unit using the refrigerant piping.
4. Mount the outdoor unit in a suitable location.
5. Install any additional accessories, such as the air outlet guide, centralized drain pan, control/service tool, etc.

Electrical Connections
Make sure to follow all electrical safety guidelines and consult a professional if needed.

1. Connect the indoor unit to the power supply using the specified voltage and amperage.
2. Connect the outdoor unit to the power supply using the specified voltage and amperage.
3. Make sure to use the correct wiring specifications and wire sizes.

Operation

1. Use the wired remote controller to control the indoor unit. (Note: Wireless remote controller is not compatible with this model.)
2. Set the desired temperature and mode (cooling or heating) using the remote controller.
3. The unit will start cooling or heating according to the set temperature and mode.
4. Adjust the fan speed and airflow direction as needed for optimal comfort.

FAQ

Q: Can I use a wireless remote controller with this model?
A: No, this model is only compatible with a wired remote controller.

Q: What is the maximum ceiling height for installation?
A: The minimum ceiling height required is 118-1/8″ (3000mm) or more.

Q: How do I adjust the fan speed and airflow direction?
A: You can adjust the fan speed and airflow direction using the controls on the wired remote controller.

INDOOR UNIT FEATURES

• Space-efficient ductless installation
• Equipped with a 3D i-see Sensor for enhanced comfort and energy efficiency
• Airflow settings for high and low ceiling applications
• Individual vane settings for direct/indirect airflow control or variable airflow patterns
• Knockouts for outside-air intake and branch-duct run
• Filter indicator signal
• Easy-to-clean, washable filter (optional high-efficiency filter available – requires multi-function casement)
• Built-in condensate lift mechanism
• Ideal for retail shops, classrooms, office spaces, conference centers, building lobbies, and more
• Multiple control options available:
  • Kumo Cloud smart device app for remote access
  • Third-party interface options
  • Wired or wireless controllers

OUTDOOR UNIT FEATURES

• Variable speed INVERTER-driven compressor
• Pre-charged with refrigerant volume for piping length up to 70 ft
• Low ambient cooling down to 0°F providing 100% capacity
• 24-hour continuous operation (cooling mode)
• High pressure protection
• Fast restart
• Superior energy and operational efficiency
• Seacoast protection*
  • External Outer Panel: Phosphate coating + Acrylic-Enamel coating
  • Fan Motor Support: Epoxy resin coating (at edge face)
  • Separator Assembly Valve Bed: Epoxy resin coating (at edge face)
  • Blue Fin treatment is an anti-corrosion treatment that is applied to the Heat exchanger coil to protect it against airborne contaminants.
  • Heat exchanger coil and base panel rated for 2,000 hours in accordance with ASTM B117 testing

*Seacoast protection standard from 2022 production

SPECIFICATIONS

PLA-A24EA8 & PUZ-A24NHA7

Cooling at 95°F1

| Maximum Capacity| BTU/H| 24,000
---|---|---|---
Rated Capacity| BTU/H| 24,000
Minimum Capacity| BTU/H| 10,000
Maximum Power Input| W| 1,670
Rated Power Input| W| 1,670
Moisture Removal| Pints/h| 3.0
Sensible Heat Factor| 0.86
Power Factor [208V / 230V]| %| 94.3 / 94.3

Heating at 47°F2

| Maximum Capacity| BTU/H| 29,000
Rated Capacity| BTU/H| 26,000
Minimum Capacity| BTU/H| 9,000
Maximum Power Input| W| 2,070
Rated Power Input| W| 1,750
Power Factor [208V / 230V]| %| 95.1 / 95.1

Heating at 17°F3

| Maximum Capacity| BTU/H| 17,400
Rated Capacity| BTU/H| 14,900
Maximum Power Input| W| 1,670
Rated Power Input| W| 1,600

Heating at 5°F4

| Maximum Capacity| BTU/H| 13,000
Maximum Power Input| W| 1,400

Efficiency

| SEER2| 24.7
EER21| 14.3
HSPF2 [IV]| 9.3
COP at 47°F2| 4.35
COP at 17°F at Maximum Capacity3| 3.06
COP at 5°F at Maximum Capacity4| 2.72
ENERGY STAR® Certified| Yes

Electrical

| Voltage, Phase, Frequency| 208/230, 1, 60
Guaranteed Voltage Range| V AC| 198 – 253
Voltage: Indoor – Outdoor, S1-S2| V AC| 208/230
Voltage: Indoor – Outdoor, S2-S3| V DC| 24
Short-circuit Current Rating [SCCR]| kA| 5
Recommended Fuse/Breaker Size (Oudoor)| A| 25
Recommended Wire Size [Indoor – Outdoor]| AWG| 14
Power Supply| Indoor unit is powered by the outdoor unit

Indoor Unit

| MCA| A| 1.0
Fan Motor Full Load Amperage| A| 0.56
Fan Motor Type| DC Motor
Airflow Rate at Cooling, Dry| CFM| 530–640–710–810
Airflow Rate at Cooling, Wet| CFM| 490–600–670–770
Airflow Rate at Heating, Dry| CFM| 530–640–710–810
Sound Pressure Level [Cooling]| dB[A]| 28–30–33–36
Sound Pressure Level [Heating]| dB[A]| 28–30–33–36
Drain Pipe Size| In. [mm]| 1-1/4 [32]
Condensate Lift Mechanism, Maximum Distance| In. [mm]| 33-7/16 [850]
Coating on Heat Exchanger| —
External Finish Color| White Munsell 6.4Y 8.9/0.4
Unit Dimensions| W x D x H: In. [mm]| 33-1/16 x 33-1/16 x 11-3/4 [840 x 840 x 298]
Package Dimensions| W x D x H: In. [mm]| 34-19/64 x 35-35/64 x 16-37/64 [871 x 903 x 421]
Unit Weight| Lbs. [kg]| 57 [26]
Package Weight| Lbs. [kg]| 89 [40]
Indoor Unit Operating Temperature Range| Cooling Intake Air Temp [Maximum / Minimum]*| °F| 90 DB, 72 WB / 66 DB, 61 WB
Heating Intake Air Temp [Maximum / Minimum]| °F| 77 DB / 59 DB

NOTES

• AHRI Rated Conditions
  • 1Cooling (Indoor // Outdoor)
  • °F 80 DB, 67 WB // 95 DB, 75 WB
• (Rated data is determined at a fixed compressor speed)
  • 2Heating at 47
  • °F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 47 DB, 43 WB
  • 3Heating at 17
  • °F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 17 DB, 15 WB
• Conditions
  • 4Heating at 5
  • °F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 5 DB, 4 WB

*Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):

• Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.
  • Wind baffles are required to operate below 23°F DB in cooling mode.
  • Heat pump system with wind baffle: 0°F – 115°F.
  • Refer to wind baffle documentation for further information.

**Outdoor Unit Operating Temperature Range (Cooling Thermal Lock-out / Re- start Temperatures; Heating Thermal Lock-out / Re-start Temperatures):

• The system cuts out in heating mode to avoid thermistor error and automatically restarts at these temperatures.

***Blue Fin Coating Standard from 2022 production:

• PU(Y/Z)-A(12/18)NKA7 – Beginning with serial number 12U*****
• PU(Y/Z)-A(24/30/36/42)NKA7 – Beginning with serial number 1ZU*****

PLA-A24EA8 & PUZ-A24NHA7

| MCA| A| 19.0
---|---|---|---
MOCP| A| 26
Fan Motor Full Load Amperage| A| 0.4
Fan Motor Output| W| 86
Airflow Rate [Cooling / Heating]| CFM| 1940 / 1940
Refrigerant Control| LEV
Defrost Method| Reverse Cycle
Coating on Heat Exchanger| Blue Fin Coating***
Sound Pressure Level, Cooling1| dB(A)| 47
Sound Pressure Level, Heating2| dB(A)| 48
Compressor Type| INVERTER-driven twin rotary
Compressor Model| SNB172FWHM1
Compressor Rated Load Amps| A| 7
Compressor Locked Rotor Amps| A| 11.0
Compressor Oil [Type // Charge]| oz.| FV50S // 23
External Finish Color| Ivory Munsell 3Y 7.8/1.1
Base Pan Heater| N/A
Unit Dimensions| W x D x H: In. [mm]| 37-13/32 x 13 (+1-3/16) x 37-1/8 [950 x 330 (+30) x 943]
Package Dimensions| W x D x H: In. [mm]| 40-15/16 x 17-11/16 x 40-11/16 [1040 x 450 x 1033]
Unit Weight| Lbs. [kg]| 153 [69]
Package Weight| Lbs. [kg]| 179 [81]

Outdoor Unit Operating Temperature Range

| Cooling Air Temp [Maximum / Minimum]*| °F| 115 DB / 0 DB
Heating Air Temp [Maximum / Minimum]| °F| 70 DB, 59 WB / -4 DB, -4 WB
Heating Thermal Lock-out / Re-start Temperatures**| °F| -8 / -4

Refrigerant

| Type| R410A
Pre-Charged Refrigerant Amount| Lbs, oz| 7.0, 11.0
Maximum Pre-Charged Piping Length| Ft. [m]| 70.0 [20.0]
Additional Refrigerant Charge Per Additional Piping Length| oz./Ft. [g/m]| 0.7 [50]

Piping

| Gas Pipe Size O.D. [Flared]| In.[mm]| 5/8 [15.88]
Liquid Pipe Size O.D. [Flared]| In.[mm]| 3/8 [9.52]
Maximum Piping Length| Ft. [m]| 165 [50]
Maximum Height Difference| Ft. [m]| 100 [30]
Maximum Number of Bends| 15

NOTES

• AHRI Rated Conditions
  • 1Cooling (Indoor // Outdoor)
  • °F 80 DB, 67 WB // 95 DB, 75 WB
• (Rated data is determined at a fixed compressor speed)
  • 2Heating at 47
  • °F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 47 DB, 43 WB
  • 3Heating at 17°F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 17 DB, 15 WB
• Conditions
  • 4Heating at 5
  • °F (Indoor // Outdoor)
  • °F 70 DB, 60 WB // 5 DB, 4 WB

*Indoor/Outdoor Unit Operating Temperature Range (Cooling Air Temp [Maximum / Minimum]):

• Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.
  • Wind baffles required to operate below 23°F DB in cooling mode.
  • Heat pump system with wind baffle: 0°F – 115°F.
  • Refer to wind baffle documentation for further information.

**Outdoor Unit Operating Temperature Range (Cooling Thermal Lock-out / Re- start Temperatures; Heating Thermal Lock-out / Re-start Temperatures):

•  System cuts out in heating mode to avoid thermistor error and automatically restarts at these temperatures.

***Blue Fin Coating Standard from 2022 production:

• PU(Y/Z)-A(12/18)NKA7 – Beginning with serial number 12U*****
• PU(Y/Z)-A(24/30/36/42)NKA7 – Beginning with serial number 1ZU*****

INDOOR UNIT ACCESSORIES: PLA-A24EA8

Control Interface

| 3-Pin Connector| □ PAC-715AD
---|---|---
Airzone ZBS Wired Blueface Principal Controller White| □ AZZBSBLUEFACECB
Airzone ZBS Wired Blueface Principal Controller White| □ AZZBSBLUEZEROCB
Airzone ZBS Wired Lite Controller White| □ AZZBSLITECB
Airzone ZBS Wireless Lite Controller White| □ AZZBSLITERB
Airzone ZBS Wireless Think Controller White| □ AZZBSTHINKRB
CN24 Relay Kit| □ CN24RELAY-KIT-CM3
IT Extender| □ PAC-WHS01IE-E
kumo station® for kumo cloud®| □ TAC-WHS01HC-E
Procon BACnet® and Modbus® Interface| □ PAC-UKPRC001-CN-1
Remote Operation Adapter‡| □ PAC-SF40RM-E
Thermostat Interface| □ PAC-US445CN-1
USNAP Adapter| □ PAC-WHS01UP-E
Wireless Interface for kumo cloud®| □ PAC-USWHS002-WF-2

Remote Sensor

| Flush Mount Remote Temperature Sensor| □ PAC-USSEN002-FM-1
Flush Mount Temperature Sensor| □ PAC-USSEN001-FM-1
Remote Temperature Sensor| □ PAC-SE41TS-E
Wireless temperature and humidity sensor for kumo cloud®| □ PAC-USWHS003-TH-1

Wired Remote Controller

| Deluxe Wired MA Remote Controller†| □ AAR-40MAAU
Simple Ductless Wired Remote Controller| □ PAC-SDW01RC-1
Simple MA Remote Controller†| □ PAC-YT53CRAU-J
Touch MA Controller†| □ PAR-CT01MAU-SB

Wireless Remote Controller

| kumo touch™ RedLINK™ Wireless Controller| □ MHK2
Lockdown bracket for remote controller| □ RCMKP1CB
Wireless MA Receiver| □ PAR-SR32MA-E
Wireless MA Remote Controller| □ PAR-FL32MA-E
Wireless Remote Contoller| □ PAR-SL101A-E
Wireless Signal Receiver Panel| □ PAR-SR4LU-E
Casement| Multi-function Casement| □ PAC-SJ41TM-E

Condensate

| Blue Diamond (Advanced) Mini Condensate Pump w/ Reservoir & Sensor (208/230V) [recommended]| □ X87-721
Blue Diamond (MegaBlue Advanced) Condensate Pump w/ Reservoir & Sensor| □ X87-835
Blue Diamond Sensor Extension Cable — 15 Ft.| □ C13-103
Refco Condensate Pump (100-240 VAC) up to 120,000 BTU/H| □ COMBI

Disconnect Switch

| (30A/600V/UL) [fits 2” X 4” utility box] – Black| □ TAZ-MS303
(30A/600V/UL) [fits 2” X 4” utility box] – White| □ TAZ-MS303W
Filter| High Efficiency Filter Element**| □ PAC-SH59KF-E
i-see Sensor® Panel| Grille with 3D i-see Sensor®| □ PLP-41EAEU

Lineset

| 10’ x 3/8” x 10’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-10
100’ x 3/8” x 100’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-100
15’ x 3/8” x 15’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-15
30’ x 3/8” x 30’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-30
50’ x 3/8” x 50’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-50
65’ x 3/8” x 65’ x 5/8” Lineset (Twin-Tube Insulation)| □ MPLS385812T-65
Shutter Plate| Shutter Plate| □ PAC-SJ37SP-E
Space Panel| Space Panel| □ PAC-SJ38AS-E

NOTES
‡PAC-SF40RM-E (Unable to use with wireless remote controller)

OUTDOOR UNIT ACCESSORIES: PUZ-A24NHA7

Centralized Drain Pan

| Centralized Drain Pan| □ PAC-SG63DP-E
Drain Pan| □ PAC-SG64DP-E

Control/Service Tool

| Control/Service Tool| □ PAC-SK52ST
M- & P-Series Maintenance Tool Cable Set| □ M21EC0397
USB/UART Conversion Cable (Required for all laptop connection)| □ M21EC1397
Hail Guards| Hail Guard| □ HG-A6

M-NET Converter

| M-NET Converter| □ PAC-SJ85MA-E
M-NET Converter| □ PAC-SJ95MA-E

Mini-Split Wire

| 14 Gauge, 4 wire MiniSplit Cable—250 ft. roll| □ S144-250
14 Gauge, 4 wire MiniSplit Cable—50 ft. roll| □ S144-50
16 Gauge, 4 wire MiniSplit Cable—250 ft. roll| □ S164-250
16 Gauge, 4 wire MiniSplit Cable—50 ft. roll| □ S164-50
Mounting Pad| Condensing Unit Mounting Pad: 24” x 42” x 3”| □ ULTRILITE2

Stand

| 18” Single Fan Stand| □ QSMS1801M
24” Single Fan Stand| □ QSMS2401M
Condenser Wall Bracket| □ QSWB2000M-1
Condenser Wall Bracket – Stainless Steel Finish| □ QSWBSS
Outdoor Unit Stand — 12” High| □ QSMS1201M

Wind Baffle

| Front Wind Baffle| □ WB-PA5
Rear Wind Baffle| □ WB-RE5
Side Advanced Wind Baffle| □ WB-SD5

NOTE

1. CHOOSE THE GRILLE AMONG THE DEDICATED GRILLES.
2. REINFORCE THE SUSPENSION BOLT FOR EARTHQUAKE-RESISTANCE AS NEEDED.
3. FOR THE SUSPENSION BOLT, USE M10 OR W3/8.
4. FOR DRAIN PIPE, USE VP-25/O.D. n1-1/4″( 32) PVC TUBE). RAISE IS MAX 33-7/16*(850mm) FROM THE CEILING
5. ELECTRICAL BOX MAY BE REMOVED FOR THE SERVICE PURPOSE. MAKE SURE TO SLACK THE ELECTRICAL WIRE A LITTLE BIT FOR THE CONTROL/POWER WIRE CONNECTION.
6. IME HEICHI Or THE NOVORUNI SAR STOR-ANISTSDI WITH THE GRILLE ATTACHED.
7. REQUIRES ‘E* OR MORE SPACE BETWEEN TRANSOM AND CEILING FOR THE INSTALLATION
8. WHEN INSTALLING THE BRANCH DUCTS, BE SURE TO INSULATE ADEQUATELY. OTHERWISE CONDENSATION AND DRIPP NG NAY OCCUR (IT BECOMES THE CAUSE OF DROPLET OR DROPLET DRIPPING.)
9. AS FOR NECESSARY INSTALLATION/SERVICE SPACE, PLEASE REFER TO THE RIGHT AT FIGURE.
10. FOR THE INSTALLATION OF THE OPTIONAL HIGH EFFICIENCY FILTER OR MULTI-FUNCTIONAL CASEMENT.REFER TO SPECIAL DRAWING.

OUTDOOR UNIT DIMENSIONS: PUZ-A24NHA7

1. FREE SPACE (Around the unit)
   The diagram below shows a basic example. Explanations of particular details are given in the installation manuals etc.

2. SERVICE SPACE
   Dimensions of space needed for service access are shown in the below diagram
   

3. FOUNDATION BOLTS
   Please secure the unit firmly with 4 foundation (M10<W3/8>) bolts. (Bolts and washers must be purchased locally.)

4. PIPING-WIRING DIRECTIONS
   Piping and wiring connections can be made from 4 directions: FRONT, Right,Rear, and Below.

Unit: mm

Example of Notes

1. Refrigerant GAS pipe connection (FLARE) ø15.88(5/8F)
2. Refrigerant LIQUID pipe connection (FLARE) ø 9.52(3/8F)

*1… Indication of STOP VALVE connection location.

Piping Knockout Hole Details

FORM# PLA-A24EA8 & PUZ-A24NHA7 – 202310 Specifications are subject to change without notice.© 2023 Mitsubishi Electric Trane HVAC US LLC. All rights reserved

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