MXZ-3C24NA3 Service Manual

24
Item
Outdoor model
MXZ-2C20NAHZ MXZ-2C20NAHZ2 MXZ-2C20NAHZ3
Indoor type
Non-Duct (09+09) Duct (09+12)
Capacity
Cooling *1 Btu/h
18,000 20,000
Heating 47 *1 Btu/h
22,000 22,000
Heating 17 *2 Btu/h
22,000 22,000
Power
consumption
Cooling *1 W
1,334 1,819
Heating 47 *1 W
1,612 1,750
Heating 17 *2 W
3,071 3,224
EER Cooling
13.5 11.0
SEER Cooling
17.0 15.0
HSPF IV(V) Heating
10.0 (7.8) 9.5 (7.8)
COP Heating
4.00 3.69
External nish
Munsell 3.0Y 7.8/1.1
Power supply V, phase, Hz
208/230, 1, 60
Max. fuse size (time delay) A
40
Min. circuit ampacity A
NA: 28.9 / NA2, NA3: 29.5
Fan motor F.L.A
NA: 1.9 / NA2, NA3: 2.43
Compressor
Model
MNB33FBTMC-L
Winding resistance
(at 68 ºF)
Ω
U-V 0.30 V-W 0.30 W-U 0.30
R.L.A
20
L.R.A
28.8
Refrigerant control
LEV
Sound level dB(A)
54/58
Defrost method
Reverse cycle
Dimensions
W in.
37-13/32
D in.
13
H in.
41-11/32
Weight lb.
187
Remote controller
Wireless type
Control voltage (by built-in transformer)
12-24 V DC
Refrigerant piping
Not supplied (optional parts)
Valve size
Liquid in.
1/4
Gas in.
A,B: 3/8
Connection method
Indoor
Flared
Outdoor
Flared
Refrigerant charge (R410A) lb.
8 lb. 13 oz.
Refrigeration oil (Model)  oz. (L)
37.2 (1.1) NA, NA2: (FV50S) / NA3: (FV50S/FVC68D)
NOTE: Test conditions are based on ARI 210/240.
Unit: °F
Mode Test
Indoor air condition Outdoor air condition
Dry bulb Wet bulb Dry bulb Wet bulb
Cooling *1: "A" Cooling steady state at rated compressor speed 80 67 95 (75)
"B-2" Cooling steady state at rated compressor speed 80 67 82 (65)
"B-1" Cooling steady state at minimum compressor speed 80 67 82 (65)
Low ambient cooling steady state at minimum compressor speed 80 67 67 (53.5)
Intermediate cooling steady state at intermediate compressor speed 80 67 87 (69)
Heating *1: Standard rating-heating at rated compressor speed 70 60 47 43
*2: Low temperature heating at maximum compressor speed 70 60 17 15
Maximum temperature heating at minimum compressor speed 70 60 62 56.5
High temperature heating at minimum compressor speed 70 60 47 43
Frost accumulation at rated compressor speed 70 60 35 33
Frost accumulation at intermediate compressor speed 70 60 35 33
OBH702M