MITSUBISHI ELECTRIC M-Series Recessed Cassette Heat Pump Systems User Guide

June 7, 2024
Mitsubishi Electric

MITSUBISHI ELECTRIC M-Series Recessed Cassette Heat Pump Systems

product

Indoor Unit: MLZ-KP12NA

Outdoor Unit: SUZ-KA12NAHZimage 2

Wireless Remote Controllerimage 3

INDOOR UNIT FEATURES

  • Fits between 16” joists spacing
  • Stylish, square design panel
  • Built-in condensate lift mechanism (19.6”)
  • Serviceable from the bottom (electrical and flare connections)
  • Adjustable fan speeds and vane directions
  • Washable antibacterial and deodorizing filter
  • Multiple control options available:
    • Hand-held Remote Controller (provided with unit)
    • kumo cloud® smart device app for remote access
    • Third-party interface options
    • Wired or wireless controllers
  • Pocket inside the access panel for kumo cloud® Wireless Interface.

OUTDOOR UNIT FEATURES

  • The outdoor unit powers the indoor unit, and should a power outage occur, the system is automatically restarted when power returns
  • INVERTER-driven compressor and LEV provide high efficiency and comfort while using only the energy needed to maintain maximum performance
  • H2i® hyper heat performance offers 100% heating capacity at 5°F and greater than 76% heating capacity at -13°F
  • Hot-Start Technology: no cold air rush at equipment startup or when restarting after Defrost Cycle
  • Quiet operation
  • Blue Fin anti-corrosion treatment applied to the outdoor unit heat exchanger for increased coil protection and longer life
  • Built-in base pan heater
  • Innovative Joint Lap DC Motor leads to high efficiency and reliability
  • Pulse Amplitude Modulation technology

SPECIFICATIONS: MLZ-KP12NA-U1 & SUZ-KA12NAHZ

Cooling at 95°F1

| Maximum Capacity| BTU/H| 12,000
---|---|---|---
Rated Capacity| BTU/H| 12,000
Minimum Capacity| BTU/H| 5,270
Maximum Power Input| W| 940
Rated Power Input| W| 940
Moisture Removal| Pints/h| 3.10
Sensible Heat Factor| 0.71
Power Factor (208/230V)| %| 96

Heating at 47°F2

| Maximum Capacity| BTU/H| 18,000
Rated Capacity| BTU/H| 15,000
Minimum Capacity| BTU/H| 7,800
Maximum Power Input| W| 1,630
Rated Power Input| W| 1,130
Power Factor| %| 98

Heating at 17°F3

| Maximum Capacity| BTU/H| 15,000
Rated Capacity| BTU/H| 9,100
Maximum Power Input| W| 1,740
Rated Power Input| W| 1,050

Heating at 5°F4

| Maximum Capacity| BTU/H| 15,000
Maximum Power Input| W| 2,800

Efficiency

| SEER| 19.00
EER1| 12.70
HSPF (IV)| 10.20
COP at 47°F2| 3.80
COP at 17°F in Maximum Capacity3| 2.54
COP at 5°F in Maximum Capacity4| 1.57
ENERGY STAR® certified units (ENERGY STAR products are third-party certified by an EPA-recognized Certification Body.)| Yes

Electrical

| Voltage, Phase, Frequency| 208/230V, 1 phase, 60Hz
Guaranteed Voltage Range| V AC| 187-253
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 (Outdoor)| A| 15
Recommended Wire Size (Indoor – Outdoor)| AWG| 14

Indoor Unit

| MCA| A| 1
Fan Motor Full Load Amperage| A| 0.76
Fan Motor Output| W| 30
Airflow Rate at Cooling, Dry| CFM| 332-297-258-212
Airflow Rate at Cooling, Wet| CFM| 282-252-219-180
Airflow Rate at Heating, Dry| CFM| 350-311-272-212

SPECIFICATIONS: MLZ-KP12NA-U1 & SUZ-KA12NAHZ
  Sound Pressure Level (Cooling) dB(A) 40-36-32-27
Sound Pressure Level (Heating) dB(A) 40-36-32-26
Drain Pipe Size In. (mm) 1-1/4 (32)
Condensate Lift Mechanism, Maximum Distance In. (mm) 19-11/16 (500)
Heat Exchanger Type Plate fin coil
External Finish Color White

Unit Dimensions

| W: In. (mm)| 43-3/8 (1,102)
D: In. (mm)| 14-3/16 (360)
H: In. (mm)| 7-5/16 (185)

Package Dimensions

| W: In. (mm)| 46-5/16 (1,180)
D: In. (mm)| 15-3/4 (400)
H: In. (mm)| 11 (280)
Unit Weight| Lbs. (kg)| 34 (15.5)
Package Weight| Lbs. (kg)| 41 (18)
Indoor Unit Operating Temperature Range| Cooling Intake Air Temp (Maximum / Minimum)*| °F| 90F D.B / 73F W.B // 67F D.B / 57F W.B
Heating Intake Air Temp (Maximum / Minimum)| °F| 80F D.B // 70F D.B

Outdoor Unit

| MCA| A| 14.0
MOCP| A| 24.0
Fan Motor Full Load Amperage| A| 0.7
Fan Motor Output| W| 77.0
Airflow Rate| CFM| 1,691 / 1,691
Refrigerant Control| LEV
Defrost Method| Reverse Cycle
Heat Exchanger Type| Plate Fin Coil
Blue Fin Coating on Heat Exchanger| Yes
Sound Pressure Level, Cooling1| dB(A)| 54
Sound Pressure Level, Heating2| dB(A)| 55
Compressor Type| DC INVERTER-driven Twin Rotary
Compressor Model| SNB130FHBM2T
Compressor Rated Load Amps| A| 13
Compressor Locked Rotor Amps| A| 10
Compressor Oil Type // Charge| oz.| FV50S // 22
External Finish Color| Ivory Munsell 3Y 7.8/1.1
Base Pan Heater| Yes

Unit Dimensions

| W: In. (mm)| 38-9/16 (840)
D: In. (mm)| 13 (330)
H: In. (mm)| 34-5/8 (880)

Package Dimensions

| W: In. (mm)| 38-9/16 (980)
D: In. (mm)| 16-9/16 (420)
H: In. (mm)| 39 (990)
Unit Weight| Lbs. (kg)| 129 (58.5)

SPECIFICATIONS: MLZ-KP12NA-U1 & SUZ-KA12NAHZ
  Package Weight Lbs. (kg) 148 (67)

Outdoor Unit Operating Temperature Range

| Cooling Air Temp (Maximum / Minimum)*| °F| 115 / 14
Cooling Thermal Lock-out / Re-start Temperatures| °F| -1 / 3
Heating Air Temp (Maximum / Minimum)| °F| 75 / -13
Heating Thermal Lock-out / Re-start Temperatures
| °F| -18 / -14

Refrigerant

| Type| R410A
Charge| Lbs, oz| 3, 9

Piping

| Gas Pipe Size O.D. (Flared)| In.(mm)| 3/8 (9.52)
Liquid Pipe Size O.D. (Flared)| In.(mm)| 1/4 (6.35)
Maximum Piping Length| Ft. (m)| 65
Maximum Height Difference| Ft. (m)| 40
Maximum Number of Bends| 10

Notes

AHRI Rated Conditions (Rated data is determined at a fixed compressor speed)| 1Cooling (Indoor // Outdoor)| °F| 80 DB, 67 WB // 95 DB, 75 WB
---|---|---|---
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
*Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.

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

ACCESSORIES: MLZ-KP12NA

Grille (required) □ MLP-444W
Anti-allergy Enzyme Filter □ MAC-408FT-E
kumo touch™ RedLINK™ Wireless Controller □ MHK2
Deluxe MA Remote Controller1 □ PAR-40MAAU
Simple MA Controller1 □ PAC-YT53CRAU-J
Touch MA Controller1 □ PAR-CT01MAU-SB
Wired Remote Sensor □ M21-EAA-307
Wireless Temperature and Humidity Sensor □ PAC-USWHS003-TH-1
System Control Interface2 □ MAC-334IF-E
External Fan / Heater Control Relay Adapter □ CN24RELAY-KIT-CM3
Wireless Interface 2 □ PAC-USWHS002-WF-2
Thermostat Interface □ PAC-US444CN-1
kumo station® □ PAC-WHS01HC-E
USNAP Interface □ PAC-WHS01UP-E
IT Extender □ PAC-WHS01IE-E
BACnet® and MODBUS® Interface □ PAC-UKPRC001-CN-1
External Fan / Heater Control Relay Adapter □ CN24RELAY-KIT-CM3
Lockdown Bracket for Hand-held Remote Controllers □ RCMKP1CB
MegaBlue Advanced Blue Diamond Condensate Pump w/ Reservoir & Sensor

X87-835 – 110 to 250V
MaxiBlue Advanced Blue Diamond Mini Condensate Pump w/ Reservoir & Sensor (110V) up to 48,000 BTU/ H[recommended]| □ X87-711 – 110V
Advanced Blue Diamond Mini Condensate Pump w/ Reservoir & Sensor (208/230V) [recommended]| □ X87-721 – 208/230V
MicroBlue Blue Diamond Mini Condensate Pump (110/208/230V) up to 18,000 BTU/H| □ X85-003
Fascia Kit for MicroBlue Pump – mounts the MicroBlue and sensor directly beneath the indoor unit| □ T18-016
(30A/600V/UL) [fits 2″ X 4″ utility box] – Black| □ TAZ-MS303
(30A/600V/UL) [fits 2″ X 4″ utility box] – White| □ TAZ-MS303W

  1. Requires MAC-334IF-E
  2. Allows indoor units to connect to an MA Controller.
ACCESSORIES: SUZ-KA12NAHZ
Port Adapter size: 3/8″ X 1/2″ (required) □ MAC-A454JP-E
Air Outlet Guide □ MAC-881SG
Air Outlet Guide □ MAC-886SG-E
Optional Defrost Heater □ MAC-640BH-U
Hail Guard □ HG-B4
Outdoor Unit 3-1/4 inch Mounting Base (Pair) – Plastic □ DSD-400P
Condensing Unit Mounting Pad 16″ x 36″ x 3″ □ ULTRILITE1
Outdoor Unit Stand — 12″ High □ QSMS1201M
Outdoor Unit Stand — 18″ High □ QSMS1801M
Outdoor Unit Stand — 24″ High □ QSMS2401M
Heavy Duty Wall Mounting Bracket— Coated Steel □ QSWB2000M-1
Heavy Duty Wall Mounting Bracket — 316 Series Stainless Steel □ QSWBSS
15′ x 1/4″ x 15′ / 3/8″ Lineset (Twin-Tube Insulation) □ MLS143812T-15
30′ x 1/4″ x 30′ / 3/8″ Lineset (Twin-Tube Insulation) □ MLS143812T-30
50′ x 1/4″ x 50′ / 3/8″ Lineset (Twin-Tube Insulation) □ MLS143812T-50
65′ x 1/4″ x 65′ / 3/8″ Lineset (Twin-Tube Insulation) □ MLS143812T-65

DIMENSIONS: MLZ-KP12NAimage 4 image
5 image 6 image 7

DIMENSIONS: SUZ-KA12NAHZimage 8 image 9

Specifications are subject to change without notice. © 2020 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.1340 Satellite Boulevard, Suwanee, GA 30024
Toll Free: 800-433-4822 www.mehvac.com

References

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