Mitsubishi Electric e Series Service Handbook page 36

[ II Restrictions ]
(2) Factory Switch Settings (Dip switch settings table)
SW Function
1
2
3
4
5
Settings change or
SW4
view the settings
6
7
8
9
10
1 Model setting
2
System setting
3
Water-temperature
4
control 1 (option)
Water-temperature
5
control 2 (option)
SW5
6 Multiple unit control
7 Analog input setting
Analog input signal
8
switching
9 BMS setting *
1 0 M o d e s l e t t n i g
1
Analog input type
setting
2
3
4
5
Model setting
6
7
SW6
8
Auto restart after
9
power failure
1 0 Model setting
"-" in the table indicates that the function in the corresponding row will be disabled regardless of the actual switch setting.
The factory setting for these items is OFF.
* Connection to a BMS requires an installation of Procon A1M (Modbus interface), which is available from MITSUBISHI ELECTRIC UK.
Use a BMS with insulation.
SW5-7 SW5-8
ON OFF
ON ON
OFF OFF
HWE20010
Factory setting
MAIN
Usage
circuit
These switches are used for
setting change with push switch
SWP 1, 2 and 3.
Set the duties to each unit.
Selects either the external water
temperature sensor or the built-in
sensor to be used to control
water temperature.
(Simultaneous operating group)
Selects target temperature
correction control. (Identical
water system group)
Selects optimum control of
number of operating units.
Allows or disallows the analog
signals from a remote location.
Selects either the water
temperature or the capacity
control ratio.
(Effective only when SW5-7 is
set to ON.)
Selects analog input 4-20mA/
0-10V/1-5V/2-10V.
(Effective only when SW5-7 is
set to ON and SW6-4 is set to
OFF.)
Enables or disables the
automatic restoration of
operation after power failure (in
the same mode as the unit was in
before a power failure).
SW5-9
ON
ON
ON
SUB
OFF setting
circuit
OFF OFF The 7-segment LED display is changed.
- - Leave the setting as it is.
System leader unit:
OFF -
Group leader unit :
Sub unit :
Built-in sensor on
OFF -
the unit
OFF - OFF
OFF - Ineffective
Disallows the
OFF - external analog
signals.
OFF - Water temperature
O F F - No input from BMS
O F F O F F Leave the setting as it is.
1 / 2
4-20mA : OFF OFF
OFF - 1-5V : ON OFF
0-10V : OFF ON
2-10V : ON ON
OFF OFF Leave the setting as it is.
An alarm will be
issued when power
is restored after a
power outage.
ON ON The alarm will be
reset when the
power is turned off
and then turned
back on.
O F F O F F Leave the setting as it is.
Input from BMS
Target temperature
Capacity
Outdoor temperature
- 27 -
System Group
ON setting leader leader
unit
Depends Depends
on the on the
setting setting
-
2 / 3
ON ON
Required Required Required At a reset
ON OFF
OFF OFF
External water
temperature sensor Required Required Required At a reset
1
ON
(External water
Required Fixed OFF Fixed OFF At a reset
sensor 2 is
required.)
Effective Required Fixed OFF Fixed OFF At a reset
Allows the external
Required Fixed OFF Fixed OFF At a reset
analog signals.
Capacity control
Required Fixed OFF Fixed OFF At a reset
ratio
Input from BMS Required Fixed OFF Fixed OFF At a reset
Fixed OFF Fixed OFF Fixed OFF Any time
Required Fixed OFF Fixed OFF Any time
Fixed OFF Fixed OFF Fixed OFF Any time
Automatically
restores operation Required Required Required Any time
after power failure.
Fixed OFF Fixed OFF Fixed OFF Any time
Setting
SUB unit
timing
unit
Depends Depends
on the on the
setting setting
- - At a reset
GB