Product Features; Nomenclature - Daikin V3 Technical Manual

Air cooled split commercial condensing unit
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Product Features

Daikin inverter condensing unit adopt stepless inverter scroll technology with energy efficiency 20-30% higher in a flexible plug
and play package, for medium temperature refrigeration application.
Standard features for all medium temperature model:
SCI hermetic high pressure dome BLDC scroll compressor and crankcase heater
Compressor Drive (with EMI filter) integrates protection functions: short circuit, overcurrent, ground fault, over voltage and
under voltage, over temperature.
Advanced programmable controller integrates the function of oil speed boost for oil return to compressor, discharge
superheat control, ample configuration of alarms.
Capacity modulation based on fixed pressure set point (floating suction setpoint is available when exploiting serial
communication with evaporators)
Vertical liquid receiver with stop valve and 3/8" NPT plug
Fitted with brazed type liquid line drier and sight glass
Oil separator and discharge line non returned valve
External service valves
Suction and discharge pressure transducers
Suction, discharge, and ambient temperature sensors
Low pressure switch (adjustable) – default: auto reset
High pressure safety switch (manual reset cartridge type)
Mains switch for isolation of incoming power supply
Manual motor starter for isolation and protection on 3phase AC Drive
Fuse protection for 1phase controller and fan motor
LCD display
Flexible pressure hoses
IP rated enclosure
Fan speed controller
Acoustic insulation on compressor compartment
Robust weatherproof housing
BACnet and Modbus Protocol feature
Approved refrigerants: R448A, R449A and R404A (Contact Daikin if performance data for R404A is required)

Nomenclature

Figure 1: Product Nomenclature
Application
L: Refrigeration
Unit Category
R: Outdoor Unit
F: Indoor Unit
Compressor Type
MD: Medium Temperature Single Digital Scroll
MI: Medium Temperature Inverter Scroll
MT: Medium Temperature Twin Digital Scroll
MS: Medium Temperature Scroll
MY: Medium Temperature Rotary
LS: Low Temperature Scroll Liquid Injection
LV: Low Temperature Scroll Vapor Injection
LY: Low Temperature Rotary
T-CU19-JAN24-1
Model Name (Daikin)
1
2
3-4
5
6
7-10
L
R
MI
F
S
0300
11
12
13-14
A
X
Y1
Power
V1: 220~240V, 1Ph, 50Hz
Y1: 380~415V, 3Ph, 50Hz
Manufactuing Plant
X: DRM
Generation
st
A: 1
Generation
nd
B: 2
Compressor Horse Power
0300: 3HP
Refrigerant
S: R404A
Additional Features
F: Fan Speed Controller
Blank: Without Fan Speed Controller
Generation
Page 2

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