Technical Changes - Mitsubishi Electric MSC-07RV Service Manual

1

TECHNICAL CHANGES

Change point
No.
The specifications of Indoor and Outdoor fan motor.
The data of Med. and Low speed are added to Indoor fan motor
specification
1
The data value of indoor fan motor does not change if the indoor
unit is connected to a multi-type 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.
Two-way common remote controller
4
Two-way (using dip switch) remote controller
5
The specification of electronic control P.C. board is
compatible with remote controllers of COOL ONLY
6
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 programing flow has changed.
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.
When fan speed is set to"Auto", initial temperature difference
10
specitying changing fan speed 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 is
11
interchangeable with the ones for E1, E2 and E3.
Winding resistance and shape of fan motor have changed.
12
Fan motor for E4 is not interchangeable with the ones for E1,
E2 and E3 except for MSC-12RV.
Fan motor rubber mount has changed because the shape of
13
fan motor was changed.
Circle shows the change point of the model.
MSC-07RV-
E1 E2 E3
E4 E1
3
MSC-09RV- MSC-12RV-
E2 E3 E2 E3
E4 E1
E4