Midea MUE-18HRFN1-QRDO User manual

Twin Floor/Ceiling Quick Step Installation Guide
Step 1: Prior to unpacking equipment please inspect boxes for any transport damage to ensure products are in perfect condition.
Step 2: Ensure the equipment model numbers on the boxes correspond with your companies purchase order.
Step 3: Unpack the equipment and ensure all parts are accounted for i.e Indoors / Outdoor / Hard Wired & Infra-red Controllers.
Step 4: Store the Infra-red service controller safely as this can be used to speed up commissioning and servicing process.
Step 5: Review the installation and maintenance manuals which are provided.
Step 6: Carry out the positioning and installation of indoor and outdoor units as per guidelines within the installation manual.
Step 7: Install refrigerant pipework (Purge with OFN while brazing), electrical wiring & drainage pipe work.
Step 8: Interconnecting control wiring between indoor and outdoor units is made by linking into terminals S1 & S2.
Step 10: Set master & Slave indoor via SW5.
Step 9: Connecting of the Hard-Wired controller is made by linking to CN40 on the Master indoor PC Board in first indoor
Step: 10: Set auto restart function by setting SW3 on indoor unit to on position.
Step 11: Pressure test pipework (Note do not carry out pressure test while connected to outdoor unit to prevent contamination of factory charge)
(1) Strength test in 5 Bar increments up to full test pressure. (2) Then leak test at lower pressure. Evacuate system to 2 torr or lower for appropriate
time.
Step 12: If required please add additional refrigerant charge (see table on reverse).
Step 13: Carry out all the commissioning checks required to activate the warranty of the newly installed system.
Step 14: Perform the test operation in accordance with the installation manual to ensure all functions and parts are working correctly.
Step 15: Complete your warranty card document and e-mail this with dated photo of outdoor serial number to: [e-mail]
Note: Installation videos can also be found on the Midea UK YouTube channel.
S1 & S2
(Interconnecting Wiring)
Indoor
Outdoor
SW3
(Auto Restart)
j
MI GUIDE
R410a Twin Floor & Ceiling Series Installation
Please contact your Midea support team if you have any issues during the installation and commissioning process.
Midea UK Tel: [phone]

Indoor Model
Outdoor Model
Cooling
Duty
(kW)
Heating
Duty
(kW)
Outdoor Dimensions
Outdoor
Weight
(Kg)
Indoor Dimensions
Indoor
Weight(Kg)
W(mm)
D(mm)
H(mm)
W(mm)
D(mm)
H(mm)
MUE-18HRFN1-QRDO x2
MOD30U-36HFN1-(Q/R)RDO
12.0
13.2
946
410
810
78.9
675
1068
235
40
MUE-24HRFN1-QRDO x2
MOE30U-48HFN1-RRDO
16.1
17.6
952
410
1333
108.1
675
1068
235
40
MUE-30HRFN1-(Q/R)RDO x2
MOE30U-55HFN1-RRDO
18.5
20.5
952
410
1333
112.8
675
1068
235
40
Piping Information
Model:
36
48
55
Liquid Line
Inch
3/8
3/8
3/8
Gas Line
Inch
5/8
5/8
5/8
Drain Line
Φ mm
32
32
32
Max Length
M
50
65
65
Max Height
M
30
30
30
Electrical Wiring Information
Power:
Single Phase
3 Phase
Model:
36
36
48
55
Mains Outdoor
3x4mm²
5x2.5mm²
Mains Indoor
3x2.5mm²
Interconnecting
2x1mm² Screened
Controller
Plug into CN40 (6 Meter included)
Power Supply Information
Power:
Single Phase
3 Phase
Model:
36
36
48
55
Outdoor
A
32
20
25
25
Indoor
A
5
5
5
5
Option for power via outdoor also available
Refrigerant Charging Information
Model:
36
48
55
Pre – Charge
Kg
3.2
4
4.3
Charged to
M
5
5
5
Additional
g/m
30
30
30
Refrigerant
Type
R410A
Cassette Fixing Centres
(mm)
18
24
36
D
983
983
1565
MI GUIDE
R410a Twin Floor & Ceiling Series Installation
Please contact your Midea support team if you have any issues during the installation and commissioning process.
Midea UK Tel: [phone]