Technical Changes - Mitsubishi Electric MS-A18VD-K1 Service Manual

Use the specified refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
Revision A:
• MS-A18VD- , MS-A24VD-
K2
Revision B:
• Remote controller model "KM04B" has been added.
There are two remote controller models for "
You can use the remote controller model "KP0B" and "KM04B".
The remote controller model "KM04B" is supplied as service parts for "
Revision C:
• Another type of the electronic control P.C. board (TYPE 2) has been added to the original one (TYPE 1). They are both com-
patible with MS-A18/24/30VD-
1

TECHNICAL CHANGES

Indoor unit:Unit size:W1,015mmoH320mmoD190mm
Electricity receiving unit: Indoor unit
Rated voltage : 220/240V
Indoor unit:Unit size:W1,015mmoH320mmoD190mm
Electricity receiving unit: Indoor unit
Rated voltage : 220/240V
Indoor unit:Unit size:W1,100mmoH325mmoD227mm
Rated voltage : 220/240V
MS-A18VD - MS-A18VD -
K1
MS-A24VD - MS-A24VD -
K1
MS-A30VD - MS-A30VD -
K1
1. Fan guard has been added.
2. Fan speed has been changed.
3. Wiring diagram has been changed.
4. FUSE (F12) has been removed. (MS-A18/24VD-
5. "8-5.C Check of indoor electronic control P.C. board" has been changed.
OB400C
and MS-A30VD- have been added.
K2 K2
" and "
K1
.
K
Frequency
New Model
Old Model
W1,100mmoH325mmoD258mm
Outdoor unit
220-230-240V
Frequency
New Model
Old Model
W1,100mmoH325mmoD258mm
Outdoor unit
220-230-240V
Frequency
New Model
Old Model
W1,100mmoH325mmoD258mm
220-230-240V
K2
K2
K2
)
K2
". (KP0B, KM04B)
K2
" and "
K1
2
".
K2
50Hz
MS-A18VD -
MS-18NV - MS-18UV -
KB
w w
w w
w
50Hz
MS-A24VD -
MS-24NV - MS-24UV -
K1
w w
w w
w
50Hz
MS-A30VD -
K1
MS-30SV - MS-30SV -
K1
w w
w
w : change
K1
MS-18RV -
P1 R1
w
K1
MS-24RV -
P1 R1
w
P1