Mitsubishi Electric E Series Data Book page 69

5. Wiring Design
5-1-3. Configuring the Settings
The settings must be set only by a qualified personnel.
1. System configuration
(1) Set the dip switches.
Switch settings on the MAIN circuit
Set the dip switches (labeled A in the figure at
right) that correspond to the items below,
according to the local system.
• Water temperature control based on the
external water temperature reading
• Analog signals from a remote location
Refer to "Dip switch settings table" for further
details.
(2) Set the rotary switches. (Address setting)
Example of address setting
Field-supplied dry
contact switch/relay,
remote controller or
centralized controller
External temperature
sensor 1 (option)
Flow switch
Pump interlock
External temperature
sensor 2 (option)
External temperature
sensor 1 (option)
Flow switch
Pump interlock
External temperature
sensor 1 (option)
Flow switch
Pump interlock
ON
1 2 3 4 5 6 7 8 9 10
MEES19K040
MAIN circuit board
1 2
System leader Sub unit
unit
SUB MAIN SUB MAIN
51 1 52 2
M-NET line
7 8
Group leader Sub unit
unit
SUB MAIN SUB MAIN
57 7 58 8
19 20
Group leader Sub unit
unit
SUB MAIN SUB MAIN
69 19 70 20
The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF.
SUB circuit board
A
6
Sub unit
Simultaneous
operating group
(Max 6 units)
SUB MAIN
56 6
12
Sub unit
Simultaneous
operating group
(Max 6 units)
SUB MAIN
62 12
24
Sub unit
Simultaneous
operating group
(Max 6 units)
SUB MAIN
74 24
Identical water
system group
(Max 24 units)
68