Mitsubishi MT300 User Manual

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39
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'10 • HM-T-149
FDCW 100VNX, 140VNX
L1
L
N
2
RD
X2
TO INDOOR UNIT
F (30A)
F (8A)
WH
RD
WH
2
1
RD
WH
RD
BL
RD
WH
BL
RD
WH
L1o No
TB
TB
N
P1
N1
RD
RD
WH
BL
BL
BK
RD
BL
P2 N2U V W
U
V W
P N2
DM
NOISE FILTER PWB3
PWB2 INVERTER
1 2 3 4
SW3
LED1
SW1
LED2
POWER SOURCE 1
〜
230V
BL
CT
CNW
(BK)
CNW2
(OR)
CNEEV1
(WH)
6
CNI2
(WH)
CNI4
(WH)
CNI1
(WH)
CNI3
(WH)
CNA2
(WH)
CNACT1
(WH)
IPM
CNA1
(WH)
BL
RD
BL
RD
BL
PWB1
BL
4
OR
3
Y
2
WH
1
RD
CNEEV2
(RD)
CNPS
(RD)
CNB
(RD)
6
BL
4
OR
3
Y
2
WH
1
WH RD BK
CNIP
(Y)
Tho-P
BK
BK
OR
CNFAN1
(WH)
BL
7
BR
6
WH
5 4
RD
1
CNH
(BR)
63H1
Optional
Two fan
unit only
Two fan
unit only
BK
BK
CNS
(RD)
CNR
(WH)
CNF
(BK)
BL
BL
CH
BR
BR
Tho-D
BK
BK
Tho-R1
BK
BK
CNTH
(WH)
Tho-S
RD RD
Tho-A
Y Y
52X1 52X3
DH
BK or WH
BK or WH
＋
＋
−
＋ −
A/F MODULE
P
N2
L1
L
L2
1
2
3
3
PE
SM1 SM2
MS
3 〜
MM
CM
FM01
20S
CNN1
(Y)
BL BL
SV1
LPT
t° t° t° t° t° t°
Tho-R2
BK
BK
OR
CNFAN2
(WH)
BL
7
BR
6
WH
5 4
RD
1
M
FM02
M
GN
E
GN
E
52X2 52X4
F (4A)
Two fan motor
unit only
GN
Y/GN
Note
Do not connect any wires
on the port1 on the outdoor unit.
Technical data
Electrical circuit diagram
DescriptionDesigna-
tion
20S
52X1
52X2
63H1
CH
CM
CT
DH
DM
F
FMo1
IPM
L
LED1
LED2
LPT
SM1
SM2
SV1
DescriptionDesigna-
tion
Tho-D
Tho-P
Tho-R1
Tho-R2
Solenoid valve
SW1
SW3
Terminal blockTB
Tho-A
Temperature sensor, outdoor air
Local setting switch
Pump down switch
Expansion valve for heating
Expansion valve for cooling
Low pressure sensor
Indication lamp (red)
Indication lamp (green)
Reactor
Intelligent power module
Fan motor
Fuse
Diode module
Drain pan heater (accessory)
Current sensor
Compressor motor
Crankcase heater
High pressure switch
Auxiliary relay (for DH)
52X3
Auxiliary relay (for 20S)
52X4
Auxiliary relay (for SV1)
Auxiliary relay (for CH)
Solenoid valve for 4-way valve Temperature sensor, hot gas
Temperature sensor, IPM
Temperature sensor, heat exchanger out
Temperature sensor, heat exchanger in
Tho-S
Temperature sensor, suction gas

Mitsubishi MT300 Specifications

General

Brand	Mitsubishi
Model	MT300
Category	Heat Pump
Language	English