Mitsubishi Electric SEZ-KD12NA User Manual

Job Name: Location: Date:
Purchaser: Engineer:
Submitted to: For Reference Approval Construction
System Designation: Schedule No.:
Zoning
Cooling*
Rated Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12,000 Btu/h
Total Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 W
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.57 A
Heating*
Rated Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13,600 Btu/h
Total Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 W
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.46 A
* Rating Conditions (Cooling) - Indoor: 80ºF (27ºC) DB / 67ºF (19ºC) WB.
Outdoor: 95ºF (35ºC) DB / 75ºF (24ºC) WB.
(Heating) - Indoor: 70ºF (21ºC) DB / 60ºF (16ºC) WB. Outdoor: 47ºF (8ºC) DB /
43ºF (6ºC) WB.
(For data on specic indoor units [all ducted, all non-ducted, and both ducted
and non-ducted] combinations, see the MXZ Technical and Service Manual.)
Electrical Requirements
Power Supply . . . . . . . . . . . . . . . . . . . . 208 / 230V, 1-Phase, 60 Hz
MCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A
Voltage
Indoor - Outdoor S1-S2 . . . . . . . . . . . . . . . . . . . . . . AC 208 / 230V
Indoor - Outdoor S2-S3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .DC 24V
Indoor Unit: SEZ-KD12NA
Fan
Type x Quantity. . . . . . . . . . . . . . . . . . . . . . . . . . . . Sirocco Fan x 2
Motor . . . . . . . . . . . . . . . . . . . . . Direct-driven DC Brushless Motor
Motor Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 W
Airow (Lo - Med - Hi). . . . . . . . . . . . . . . . . . . 247 - 317 - 388 CFM
Air Filter . . . . . . . . . . . . . . . . . . . . . . . . Polypropylene Honeycomb
External Static Pressure. . . . . . . . . . . 0.02 - 0.06 - 0.14 - 0.20"WG
Sound Pressure Level (Lo - Med - Hi) . . . . . . . . .23 - 28 - 33 dB(A)
DIMENSIONS UNIT INCHES / MM
W 39 / 990
D 27-9/16 / 700
H 7-7/8 / 200
Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 lbs. / 21 kg
Field Drainpipe Size O.D.. . . . . . . . . . . . . . . . . . . . . 1-1/4" / 32 mm
Wall-mounted Remote Controller . . . . . . . . . . . . . . . . . PAR-21MAA
(See Data Submittal Sheet)
Refrigerant Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R410A
Refrigerant Pipe Size O.D.
Gas Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3/8" / 9.52 mm
Liquid Side. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1/4" / 6.35 mm
Connection Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Flared
SUBMITTAL DATA: SEZ-KD12NA 12,000 BTU/H HORIZONTAL-DUCTED INDOOR UNIT FOR MXZ MULTI-ZONE HEAT-PUMP SYSTEMS
Remote Controller: PAR-21MAA
OPTIONAL ACCESSORIES
• M-NET Control Adapter (MAC-399IF)
• External Heat Adapter (PAC-YU25HT)
• CN24 Relay Kit (CN24RELAY-KIT-CM)
• Three-pole Disconnect Switch (TAZ-MS303)
GENERAL FEATURES
• Ceiling-concealed ducted indoor unit for residential applications
• Ultra thin body: 7-7/8" high
• Built-in drain mechanism for condensate removal; lifts to 21-11/16"
• Air lter is included with indoor unit
• Quiet operation ― as low as 23 dBA
• PAR-21MAA wired remote controller is included
• Indoor unit powered from outdoor unit using A-Control
• Automatic fan speed control
• Auto restart following a power outage
• Limited warranty: ve years on parts and defects and seven years on
compressors
SEZ-KD and PEAD-A24
MXZ-B MULTI-ZONE SYSTEMS CAN INCLUDE:
• Ducted Indoor Units:
SEZ-KD09,12,15,18NA, PEAD-A24AA
• Nonducted Indoor Units:
MSZ-GE06,09,12,15,18NA, MSZ-GA24NA,
MSZ-FE09,12NA, MFZ-KA09,12,18NA,
PCA-A24KA, and PLA-A12,18,24BA
• A combination of both Ducted and Nonducted
Indoor Units
Refer to the separate submittal forms for the
MSZ-GE, MSZ-GA, MSZ-FE, SEZ-KD, PEAD,
PCA, PLA Indoor Units, and MXZ Outdoor Units.
Outdoor Unit: MXZ-3B30NA
PCA-KA
PLA-A12,18,24BA
Remote Controller PAR-21MAA - Packaged
with PCA-KA, PLA-ABA, SEZ, and PEAD
MXZ-B SERIES HEAT-PUMP OUTDOOR UNITS
Wireless Remote Controller -
Packaged with MSZ-GE, -GA,
-FE and MFZ-KA (Optional Wired
Remote Controller PAR-21MAA)
MFZ-KA
MSZ-GE06,09,12,15,18NA and MSZ-GA24NA
MSZ-FE

Mitsubishi Electric SEZ-KD12NA Specifications

General

Refrigerant	R410A
Type	Split System Air Conditioner
Cooling Capacity	12, 000 BTU/h
Heating Capacity	13, 600 BTU/h
Outdoor Unit Dimensions (W x H x D)	780 x 550 x 285 mm

Summary

General Features and Specifications

General Features

Highlights key attributes of the ducted indoor unit, including its thin body, drain mechanism, quiet operation, and warranty.

Optional Accessories

Lists optional accessories for the indoor unit, such as control adapters, heat adapters, and disconnect switches.

Electrical Requirements

Details the power supply, minimum circuit ampacity, and voltage requirements for the indoor unit.

Fan Specifications

Provides fan type, motor output, airflow rates, external static pressure, and sound pressure levels for the unit.

Unit Dimensions and Refrigerant

Specifies unit dimensions (W, D, H), weight, drainpipe size, and refrigerant pipe sizes (gas/liquid).

MXZ-B Series Outdoor Units

Information on compatible MXZ-B multi-zone outdoor units and the indoor units they can connect with.

Indoor Fan Performance Charts

Fan Performance at 0.02 in.WG

Chart showing SEZ-KD12NA fan performance (airflow vs. static pressure) at 0.02 in.WG.

Fan Performance at 0.06 in.WG

Chart showing SEZ-KD12NA fan performance (airflow vs. static pressure) at 0.06 in.WG.

Fan Performance at 0.14 in.WG

Chart showing SEZ-KD12NA fan performance (airflow vs. static pressure) at 0.14 in.WG.

Fan Performance at 0.20 in.WG

Chart showing SEZ-KD12NA fan performance (airflow vs. static pressure) at 0.20 in.WG.

Unit Dimensions and Service Space

SEZ-KD12NA Dimensional Drawings

Detailed technical drawings showing the physical dimensions and connection points of the SEZ-KD12NA indoor unit.

Required Service Space

Illustrates the necessary clearance around the unit for maintenance and service access.

Model Dimension Comparison

Table comparing key dimensions (A through N, pipe sizes) for different SEZ-KD models.