MITSUBISHI ELECTRIC MXZ-3C24NAHZ3 2 Ton Multi Zone Inverter Heat Pump System User Guide

MITSUBISHI ELECTRIC MXZ-3C24NAHZ3 2 Ton Multi Zone Inverter Heat Pump

System

FEATURES

• Variable speed INVETER-driven compressor
• Built-in base pan heater
• Quiet outdoor unit operation as low as 54 dB(A)
• High pressure protection
• Compressor thermal protection
• Compressor overcurrent detection
• Fan motor overheating/voltage protection
• Hyper-heating performance offers 100% heating capacity at 5°F and 90% heating capacity at -13°F
• ENERGY STAR® certified (non-ducted)

SPECIFICATIONS: MXZ-3C24NAHZ3

Cooling1 (Non-Ducted // Mix // Ducted)

| Maximum Capacity| BTU/H| 23,600 // 23,600 // 23,600
---|---|---|---
Rated Capacity| BTU/H| 22,000 // 22,800 // 23,600
Minimum Capacity| BTU/H| 12,600 // 12,600 // 12,600
Maximum Power Input| W| 3,770 // 3,770 // 3,770
Rated Power Input| W| 1,630 // 1,995 // 2,360
Power Factor (208V, 230V)| %| 98.5, 98.5 // 98.5, 98.5 // 98.5, 98.5

Heating at 47°F2 (Non-Ducted // Mix // Ducted)

| Maximum Capacity| BTU/H| 30,600 // 30,600 // 30,600
Rated Capacity| BTU/H| 25,000 // 24,800 // 24,600
Minimum Capacity| BTU/H| 11,400 // 11,400 // 11,400
Maximum Power Input| W| 4,540 // 4,540 // 4,540
Rated Power Input| W| 1,725 // 1,809 // 1,871
Power Factor (208V, 230V)| %| 97.3, 97.3 // 97.6, 97.4 // 97.4, 97.6

Heating at 17°F3 (Non-Ducted // Mix // Ducted)

| Maximum Capacity| BTU/H| 25,000 // 24,800 // 24,600
Rated Capacity| BTU/H| 14,000 // 14,000 // 14,000
Maximum Power Input| W| 3,557 // 3,671 // 3,795
Rated Power Input| W| 1,622 // 1,629 // 1,635
Heating at 5°F4 (Non-Ducted // Mix // Ducted)| Maximum Capacity| BTU/H| 25,000 // 24,800 // 24,600
Maximum Power Input| W| 3,760 // 3,980 // 4,200

Efficiency (Non-Ducted // Mix // Ducted)

| SEER| 19.0 // 17.2 // 15.5
EER1| 13.5 // 11.7 // 10.0
HSPF (IV)| 10.0 // 9.5 // 9.0
COP at 47°F2| 4.25 // 4.02 // 3.8
COP at 17°F at Maximum Capacity3| 2.06 // 1.95 // 1.9
COP at 5°F at Maximum Capacity4| 1.95 // 2.11 // 1.72
ENERGY STAR® Certified| Yes // No // No

Electrical

| Electrical Power Requirements| Voltage, Phase, Frequency| 208/230, 1, 60
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| A| 40
Recommended Wire Size| AWG| 14
Minimum Circuit Ampacity| A| 30.5
Maximum Overcurrent Protection| A| 40
Fan Motor Full Load Amperage| A| 2.43

Outdoor unit

| Airflow Rate (Cooling / Heating)| CFM| 2,150 / 2,550
Refrigerant Control| LEV
Defrost Method| Reverse Cycle
Heat Exchanger Type| Plate fin coil
Sound Pressure Level, Cooling1| dB(A)| 54
Sound Pressure Level, Heating2| dB(A)| 58
Compressor Type| DC INVERTER-driven Twin Rotary
Compressor Model| MNB33FBTMC-L
Compressor Rated Load Amps| A| 20
Compressor Locked Rotor Amps| A| 28.8
Compressor Oil Type // Charge| oz.| FV50S // 37.2
Base Pan Heater| Built-in

Unit Dimensions

| W: In. [mm]| 37-13/32 [950]
D: In. [mm]| 13 [330]
H: In. [mm]| 41-17/64 [1,048]

Package Dimensions

| W: In. [mm]| 41-3/8 [1,050]
D: In. [mm]| 17-3/8 [440]
H: In. [mm]| 46-3/4 [1,190]
Unit Weight| Lbs.[kg]| 189 [86]
Package Weight| Lbs.[kg]| 212 [96]

Outdoor unit operating temperature range

| Cooling Intake Air Temp (Maximum / Minimum*A)| °FDB| 115 / 14
Cooling Thermal Lock-out / Re-start Temperatures| °FDB| 10.4 / 14
Heating Intake Air Temp (Maximum / Minimum)| °FWB| 65 / -13
Heating Thermal Lock-out / Re-start Temperatures| °FDB| -18 / -14

Refrigerant

| Charge| Lbs, oz| 8.0, 13.0
Chargeless Piping Length| Ft. [m]| 98.0 [30.0]
Additional Refrigerant Charge Per Additional Piping Length| oz./Ft. [g/m]| 0.216 [20]

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
Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.
*A 5°F DB – 115°F DB when optional wind baffles are installed

For actual capacity performance based on indoor unit type and number of indoor units connected, please refer to MXZ Operational Performance.
Although the maximum connectable capacity is 130%, the outdoor unit cannot provide more than 100% of the rated capacity. Please utilize this over capacity capability for load shedding or applications where it is known that all connected units will NOT be operating at the same time.

Indoor unit connection

| Maximum Number of Connected IDU| 3
---|---|---
Minimum Number of Connected IDU| 2
Minimum connected capacity| BTU/H| 12,000
Maximum connected capacity| BTU/H| 27,000

Piping

| Liquid Pipe Size O.D. (Flared)| In.[mm]| A,B,C: 1/4 [A,B,C: 6.35]
Gas Pipe Size O.D. (Flared)| In.[mm]| A: 1/2; B,C: 3/8 [A: 12.72; B,C: 9.52]
Total Piping Length| Ft. [m]| 230 [70]
Maximum Height Difference, ODU above IDU| Ft. [m]| 49 [15]
Maximum Height Difference, ODU below IDU| Ft. [m]| 49 [15]
Farthest Piping Length from ODU to IDU| Ft. [m]| 82 [25]
Maximum Number of Bends for IDU| 70

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
Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.
A 5°F DB – 115°F DB when optional wind baffles are installed

For actual capacity performance based on indoor unit type and number of indoor units connected, please refer to MXZ Operational Performance.
Although the maximum connectable capacity is 130%, the outdoor unit cannot provide more than 100% of the rated capacity. Please utilize this over capacity capability for load shedding or applications where it is known that all connected units will NOT be operating at the same time.

OUTDOOR UNIT ACCESSORIES: MXZ-3C24NAHZ3

Ball Valve

| Refrigeration Ball Valve – 1/2”| □ BV12FFSI2
Refrigeration Ball Valve – 1/4”| □ BV14FFSI2
Refrigeration Ball Valve – 3/8”| □ BV38FFSI2
Refrigeration Ball Valve – 5/8”| □ BV58FFSI2
Drain Socket| Drain Socket| □ PAC-SG60DS-E
Hail Guards| Hail Guard| □ HG-A1
M-NET Converter| M-NET Converter| □ PAC-IF01MNT-E

Mounting Pad

| Condensing Unit Mounting Pad: 16” x 36” x 3”| □ ULTRILITE1
Outdoor Unit 3-1/4 inch Mounting Base (Pair) – Plastic| □ DSD-400P

Port Adapter

| Adaptor: 1/2” x 3/8”| □ MAC-A455JP-E
Adaptor: 1/2” x 5/8”| □ MAC-A456JP-E
Adaptor: 3/8” x 1/2”| □ MAC-A454JP-E
Adaptor: 3/8” x 5/8”| □ PAC-SG76RJ-E

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

OUTDOOR UNIT DIMENSIONS: MXZ-3C24NAHZ3

1340 Satellite Boulevard Suwanee, GA 30024
Toll Free: 800-433-4822 www.mehvac.com
© 2022 Mitsubishi Electric Trane HVAC US LLC. All rights reserved. Specifications are subject to change without notice.

Read User Manual Online (PDF format)

Download This Manual (PDF format)

Download this manual  >>