MITSUBISHI ELECTRIC PUZ-A36NKA7 Wall Mounted Heat Pump System Owner’s Manual

: June 17, 2024
: Mitsubishi Electric

Table of Contents

MITSUBISHI ELECTRIC PUZ-A36NKA7 Wall Mounted Heat Pump System
Product Usage Instructions
FAQ
INDOOR UNIT FEATURES
SPECIFICATIONS
DIMENSIONS
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MITSUBISHI ELECTRIC PUZ-A36NKA7 Wall Mounted Heat Pump System

MITSUBISHI-ELECTRIC-PUZ-A36NKA7-Wall-Mounted-Heat-Pump-System-
PRODUCT

Product Usage Instructions

Indoor Unit Installation

Locate a suitable wall for mounting the indoor unit.
Ensure proper electrical connections are in place.
Mount the indoor unit securely using appropriate hardware.
Connect refrigerant piping as per manufacturer guidelines.
Install any required accessories such as control interfaces or sensors.

Outdoor Unit Installation

Select a level outdoor location for installation.
Place the outdoor unit on a stable platform or mounting pad.
Connect the outdoor unit to the indoor unit using refrigerant piping.
Ensure proper electrical connections are made.
Install any necessary accessories like wind baffles or mounting stands.

FAQ

Q: Can I install the indoor unit without professional help?
A: It is recommended to hire a professional HVAC technician for the installation of both indoor and outdoor units to ensure proper setup and performance.
Q: What is the recommended maintenance schedule for this product?
A: Regular maintenance, including cleaning filters, checking refrigerant levels, and inspecting for any leaks, should be performed at least once a year to keep the units running efficiently.
Q: How do I troubleshoot if the unit is not cooling/heating properly?
A: Check the air filters for blockages, ensure proper airflow around the units, and verify that all settings are correct on the control interface. If issues persist, contact a qualified technician for further diagnosis.

INDOOR UNIT FEATURES

Sleek, compact design
Simple installation
Vane setting for airflow direction control
Auto fan speed mode
Ideal for spaces such as server rooms, daycare centres, classrooms, churches, small offices, 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 100 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 under ASTM B117 testing
Seacoast protection standard from 2022 production

SPECIFICATIONS

SPECIFICATIONS: PKA-A36KA7 & PUZ-A36NKA7

Cooling at 95°F1

| Maximum Capacity| BTU/H| 36,000
---|---|---|---
Rated Capacity| BTU/H| 36,000
Minimum Capacity| BTU/H| 16,000
Maximum Power Input| W| 3,330
Rated Power Input| W| 3,330
Moisture Removal| Pints/h| 9.7
Sensible Heat Factor| 0.70
Power Factor [208V / 230V]| %| 96.5 / 96.5

Heating at 47°F2

Heating at 17°F3

Efficiency

| SEER | SEER2| 18.8 | 19.4
EER1 | EER21| 10.8 | 10.8
HSPF [IV] | HSPF2 [IV]| 9.2 | 8.4
COP at 47°F2| 4.52
COP at 17°F at Maximum Capacity3| 2.85
ENERGY STAR® Certified| No

Electrical

Indoor Unit

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

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*****

SPECIFICATIONS: PKA-A36KA7 & PUZ-A36NKA7

Outdoor Unit

| MCA| A| 25.0
---|---|---|---
MOCP| A| 31
Fan Motor Full Load Amperage| A| 0.5 + 0.5
Fan Motor Output| W| 74
Airflow Rate [Cooling / Heating]| CFM| 3880 / 3880
Refrigerant Control| LEV
Defrost Method| Reverse Cycle
Coating on Heat Exchanger| Blue Fin Coating***
Sound Pressure Level, Cooling1| dB(A)| 52
Sound Pressure Level, Heating2| dB(A)| 53
Compressor Type| INVERTER-driven twin rotary
Compressor Model| MNB33FBRMC-L
Compressor Rated Load Amps| A| 8
Compressor Rotor Amps| A| 13.0
Compressor Oil [Type // Charge]| oz.| FV50S // 45
External Finish Color| Ivory Munsell 3Y 7.8/1.1
Base Pan Heater| N/A
Unit Dimensions| W x D x H: In. [mm]| 41-5/16 x 13 (+1-3/16) x 52-11/16 [1050 x 330 (+30) x 1338]
Package Dimensions| W x D x H: In. [mm]| 42-15/16 x 17-11/16 x 56-4/16 [1091 x 450 x 1429]
Unit Weight| Lbs. [kg]| 214 [97]
Package Weight| Lbs. [kg]| 245 [111]

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

Piping

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

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*****

INDOOR UNIT ACCESSORIES: PKA-A36KA7

Control Interface

| 3-Pin Connector| PAC-715AD
---|---|---
BACnet® and Modbus® Interface| PAC-UKPRC001-CN-1
IT Extender| PAC-WHS01IE-E
Kumo station® for kumo cloud®| TAC-WHS01HC-E
Thermostat Interface| PAC-US444CN-1
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

Wireless Remote Controller

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
Drain Pan Level Sensor/Control| SS610E
Refco Condensate Pump (100-240 VAC)| GOBI-II
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

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

OUTDOOR UNIT ACCESSORIES: PUZ-A36NKA7

Air Outlet Guide| Air Outlet Guide (1 Piece)| □ PAC-SH96SG-E (two pieces are required)
---|---|---

Control/Service Tool

| Control/Service Tool| □ PAC-SK52ST
M- & P-Series Maintenance Tool Cable Set| □| M21EC0397
USB/UART Conversion Cable (Required for all laptop connections)| □| M21EC1397

M-NET Converter

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

Mini-Split Wire

Stand

Wind Baffle

| Front Wind Baffle| □ WB-PA3 (two pieces are required)
Rear Wind Baffle| □ WB-RE6
Side Advanced Wind Baffle| □ WB-SD6