Midea MCD-18HRFN1-QRC4 User manual

Super Slim Cassette Type
Indoor Units 7
Super Slim Cassette Type V2MC
1. Features...............................................................................8
2. Dimensions........................................................................12
3. Service Space....................................................................13
4. Wiring Diagrams................................................................14
5. Electric Characteristics....................................................15
6. Sound Levels.....................................................................16
7. Accessories.......................................................................17
8. The Specification of Power..............................................18
9. Field Wiring .......................................................................19

Features
8 Indoor Units
1. Features
1.1 Overview
Compact design, super slim body size, less space requiring in installation
Each louver can be separately controlled, more comfort air blowing is possible.
Auto-lifting panel design, more convenient to clean and maintain the filter. (optional)
Old Cassette New Slim Cassette Reduction
18K-24K 840*230*840 840*205*840 11%↓
30K 840*300*840 840*205*840 32%↓
36K-48K 840*300*840 840*245*840 18%↓
60K 840*300*840 840*287*840 4%↓
1.2 Fresh air intake function
Fresh air fulfills air quality more healthy and comfortable.
Ventilation motor is optional to increase the effect of fresh air.

Features
Indoor Units 9
1.3 Optional ionizer generator
Ionizer generator is optional to get refreshing air to your room.
Ionizer can be switched on or off by remote controller.
When pressing the Clean Air button on the remote controller, Ionizer will work and the indicator light on
display board will shine.
New air-intake
I
Io on ni iz ze er r g ge en ne er ra at to or r
c
co on nn ne ec ct to or r
V
Ve en nt ti il la at ti io on n m mo ot to or r
c
co on nn ne ec ct to or r

Features
10 Indoor Units
1.4 External air duct design
Reserve external air duct, more flexible for the air supply.
1.5
Built-in draining pump
Due to the improvement of structure, more convenient to repair or replace the draining pump.
Built-in draining pump to make sure condensed water drain out reliably.
Draining Pump

Features
Indoor Units 11
1.6 Terminals for alarm lamp and long-distance on-off controller connection are
standard
Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more human
control.
1.7 Optional touch screen wired controller
Touch screen wired controller is optional, with error code indication function. Better
man-machine conversation interface.
Undated structure design, 4-way wire layout design, no raised part at backside, more convenient to
place the wires and install the device.
1.8 Twins Combination(18k-30k)
The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The
indoor units can be combined in any of the different available ratings.
Alarm lamp
Long-distance on-off controller

Dimensions
12 Indoor Units
2. Dimensions
Model A H
18 K 205>235
24 K
30 K 245>275
36 K 245>275
205>235

Service Space
Indoor Units 13
3. Service Space
>1000mm
>1000mm
>1000mm
>1000mm

Wiring Diagrams
14 Indoor Units
4. Wiring Diagrams
MCD-18HRFN1-QRC4 MCD-18HRFN1-QRC8 MCD-24HRFN1-QRC4 MCD-24HRFN1-QRC8
MCD-30HRFN1-QRC8 MCD-36HRFN1-QRC4 MCD-36HRFN1-QRC8

Electric Characteristics
Indoor Units 15
5. Electric Characteristics
Model Indoor Unit Power
Supply
Hz Voltage Min Max MFA
18K 50 220-240 198 254 10
24K 50 220-240 198 254 10
30K 50 220-240 198 254 10
36K 50 220-240 198 254 10
Notes:
MFA: Max. Fuse Amps. (A)

Sound Levels
16 Indoor Units
6. Sound Levels
1.4m
Microphone
Model Noise Power dB(A)Noise level dB(A)
H M L
18K 58 49 44 40
24K 59 50 45 42
30K 62 52 49 46
36K 65 53 49 46

Accessories
Indoor Units 17
7. Accessories
Name Shape Quantity
Installation Fittings Installation paper board 1
Tubing & Fittings Soundproof / insulation sheath 1
Drainpipe Fittings
Out-let pipe sheath 1
Out-let pipe clasp 1
Drain joint 1
Seal ring 1
Remote controller & Its
Frame(The product you
have might not be
provided the following
accessories)
Remote controller & Its Frame 1
Remote controller holder 1
Mounting screw(ST2.9×10-C-H) 2
Remote controller manual 1
Alkaline dry batteries (AM4) 2
Others Owner's manual 1
Installation manual 1
Installation accessory
(The product you have
might not be provided the
following accessories
Expansible hook 4
Installation hook 4
Orifice 1

The Specification of Power
18 Indoor Units
8. The Specification of Power
Model 18000-24000Btu/h 30000 Btu/h 36000 Btu/h 36000 Btu/h
INDOOR UNIT
POWER
Phase 1-phase 1-phase 1-phase 1-phase
Frequency and
Voltage 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz
POWER WIRING
(mm2) 3×1.0 3×1.0 3×1.0 3×1.0
CIRCUIT BREAKER
/ Fuse (A) 15/10 15/10 15/10 15/10
OUTDOOR UNIT
POWER
Phase 1-phase 1-phase 1-phase 3-phase
Frequency and
Voltage 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 380-420V, 50Hz
POWER WIRING
(mm2) 3×2.5 3×2.5 3×4.0 5×2.5
CIRCUIT BREAKER
/ Fuse (A) 30/20 40/30 40/30 30/20
Indoor/Outdoor Connecting Wiring
(Weak Electric Signal) (mm2) 3×0.5 3×0.5 3×0.5 3×0.5
Indoor/Outdoor Connecting Wiring
(Strong Electric Signal) (mm2)

Field Wiring
Indoor Units 19
9. Field Wiring

Duct Type
20 Indoor Units
Duct Type V2MD
1. Features.............................................................................21
2. Dimensions........................................................................24
3. Service Space....................................................................25
4. Wiring Diagrams................................................................26
5. Static Pressure..................................................................28
6. Electric Characteristics....................................................30
7. Sound Levels.....................................................................31
8. Accessories.......................................................................32
9. The Specification of Power..............................................33
10. Field Wiring .....................................................................34

Features
Indoor Units 21
1. Features
1.1 Installation accessories: (Optional)
Front Board, Canvas Air Passage, Filter, Panel, for easy installation
1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side)
Air inlet from rear is standard for all capacity; air inlet from bottom is optional.
The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from bottom to
rear side, or from rear to the bottom, in order to matching the installation condition.
1.3 Fresh air intake function(Optional for 18~60k)
Install one duct from the reserved fresh-air intake to outdoor.
Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and
comfortable.
1.4 Easy maintenance
Clean the filter (Optional, standard product without filter)
It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or
bottom side.
Front Board
Canvas Air Passage Filter Panel
Air intake from rear (Standard) Air intake from bottom (Optional)

Features
22 Indoor Units
Replace
the motor or centrifugal fan
Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with
centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.
1.5 Reserved remote on-off and central control ports
Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a
central controller to realize remote on-off control function or group control function.
1.6 Built-in drain pump (Optional):
Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under
most space condition.
Motor
Blower Housing
Ventilated Panel
Remote on-off ports Central control ports

Features
Indoor Units 23
1.7 Built-in display board
The standard indoor unit can be controlled by wired controller.
There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even
in the distance of 10m. The unit will realized remoter control.
The wired controller and the display board can display the error code or production code when the chips
detect some failure.
1.8 Twins Combination
The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The
indoor units can be combined in any of the different available ratings.
Display
750mm upmost
Wired Controller (Standard) Remote Controller (Optional)

Dimensions
24 Indoor Units
2. Dimensions
HG
EF
A
B
D
C
L
M
Capacity
(KBtu)
Outline dimension(mm) Air outlet opening size Air return opening size
Size of outline
dimension mounted
plug
A B C D E F G H I J K L M
12 700 210 635 570 65 493 35 119 595 200 80 740 350
18/24 920 270 635 570 65 713 35 179 815 260 20 960 350
30/36 1140 270 775 710 65 933 35 179 1035 260 20 1180 490

Service Space
Indoor Units 25
3. Service Space
Ensure enough space required for installation and maintenance.
All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following:

Wiring Diagrams
26 Indoor Units
4. Wiring Diagrams
12K
12K / 24K / 30K / 36K