Technical Changes - Mitsubishi Electric MSC-07RV-E2 Service Manual

1

TECHNICAL CHANGES

Change point
No.
The specifications of indoor and outdoor fan motor
The data of Med. and Low speed have been added to indoor
fan motor specification as reference.
1
The data value of indoor fan motor does not change even if
the indoor unit is connected to a multi-type or PUMY series
outdoor unit.
Remote controllers of COOL ONLY or COOL & HEAT
2
type are outdoor unit accessory.
3
Remote controller is included as an indoor unit accessory.
4 Two-way common remote controller
5
Two-way (using dip switch) remote controller
The specification of electronic control P.C. board is
6 compatible with remote controllers of COOL ONLY
and COOL & HEAT type.
Indoor electronic control P.C. board has changed
7
for two-way remote controller.
Indoor electronic control P.C. board has changed
for two-way remote controller.
8
Microprocessor programming flow has changed.
Indoor electronic control P.C. board for E3 is interchangeable
with the one for E2 except for MSC-12RV.
(New P.C. board) Indoor electronic control P.C. board has
changed.
Earth wire from the board is fixed to the electrical box with screw.
9
The shape of connector CN211 has changed. Indoor electronic
control P.C. board has been connected with
power monitor, receiver P.C. board using connector.
Indoor electronic control P.C. board has changed.
Microprocessor programming flow has changed to make the
communication between indoor unit and R-CONVERTER
possible.
Indoor unit gets to be connected to outdoor unit of PUMY
10
series (PUMY-P125YMA and others).
However, R-CONVERTER UNIT is necessary to connect
PUMY series.
Indoor electronic control P.C. board for E5 is interchangeable
with the one for E4.
The setting of fan speed control when fan speed is set to
11 "Auto" in COOL operation has been improved in order to
reach the set temperature faster than E1, E2, and E3.
The mark of terminal block has changed. Terminal block for E4
12
or E5 is interchangeable with the ones for E1, E2 and E3.
Winding resistance and shape of indoor fan motor have
changed. Indoor fan motor for E4 or E5 is not interchangeable
13 with the ones for E1, E2 and E3 except for MSC-12RV.
As for spare indoor fan motors for MSC-07/09RV-E1, E2, E3,
E4 and MSC-07/09RV-E5 are the same.
Fan motor rubber mount has changed from E3 because
the shape of fan motor was changed.
14
As for spare fan motor rubber mount sets for MSC-07/09/12RV-
E1, E2, E3, E4 and MSC-07/09/12RV-E5 are the same.
Circle shows the change point of the model.
MSC-07RV-
E1 E2 E3 E4 E5 E1
3
MSC-09RV- MSC-12RV-
E2 E3 E4 E1 E2
E5
E3 E4
E5