Mitsubishi Electric PURY-EP200 Service Handbook page 30

[ II Restrictions ]
(2) Power supply switch connector connection on the outdoor unit
(Factory setting: The male power supply switch connector is connected to CN41.)
There are limitations on the total number of units that are connectable to each refrigerant system. Refer to the DATABOOK
for details.
System configura-
tion
System with one
outdoor unit
System with multi-
ple outdoor units
*1 The need for a power supply unit for transmission lines depends on the system configuration.
*2 The replacement of the power jumper connector from CN41 to CN40 must be performed on only one outdoor unit in the
system.
(3) Settings for the centralized control switch for the outdoor unit (Factory setting: SW2-1 are set to OFF.)
Connection to the system controller
Connection to the system controller
*1. Set SW2-1 on all outdoor units in the same refrigerant circuit to the same setting.
*2. When only the LM adapter is connected, leave SW2-1 to OFF (as it is).
(4) Selecting the position of temperature detection for the indoor unit (Factory setting: SW1-1 set to "OFF".)
To stop the fan during heating Thermo-OFF (SW1-7 and 1-8 on the indoor units to be set to ON), use the built-in thermistor
on the remote controller or an optional thermistor.
1) To use the built-in sensor on the remote controller, set the SW1-1 to ON.
Some models of remote controllers are not equipped with a built-in temperature sensor.
Use the built-in temperature sensor on the indoor unit instead.
When using the built-in sensor on the remote controller, install the remote controller where room temperature can be detected.
(Note) Factory setting for SW1-1 on the indoor unit of the All-Fresh Models is ON.
2) When an optional temperature sensor is used, set SW1-1 to OFF, and set SW3-8 to ON.
When using an optional temperature sensor, install it where room temperature can be detected.
HWE0713A
Connection to Power supply unit
the system con- for transmission
troller lines
_ _
Not connected _
With connection Not required
to the indoor
unit system
With connection Not required
to the central- (Powered from
ized control sys- the outdoor unit)
tem
Required *1
System configuration
Not connected
Connected
Group operation
of units in a sys-
tem with multiple
outdoor units
_
Not grouped
Grouped
Grouped/not
grouped
*1
Grouped/not
grouped
Grouped/not
grouped
Centralized control switch settings
Leave it to OFF. (Factory setting)
*2
ON
- 21 -
Power supply switch connector connection
Leave CN41 as it is
(Factory setting)
Disconnect the male connector from the fe-
male power supply switch connector (CN41)
and connect it to the female power supply
switch connector (CN40) on only one of the
*2
outdoor units.
*Connect the S (shielded) terminal on the
terminal block (TB7) on the outdoor unit
whose CN41 was replaced with CN40 to
the ground terminal ( ) on the electric box.
Leave CN41 as it is
(Factory setting)
*1
GB