Mitsubishi Electric E Series, Service Handbook

Page: 27 / 170

[
II
Restrictions ]
- 18 -
HWE1417B GB
[4] Sample Installation
The system must be configured only by personnel certified by Mitsubishi Electric.
[1] Schematic Diagrams of Individual and Multiple Module Connection Systems
(1) Individual system
(2) Multiple module connection system (2-6 modules)
Refer to the sections "Switch Types and the Factory Settings" (page19) and
"System configuration procedures: Individual system" (page 22) for further details.
Refer to the sections "Switch Types and the Factory Settings" (page19)
*1 When connecting a pump to a module, be sure to also connect a flow switch and a pump interlock.
and "System configuration procedures: Multiple module connection system" (page 23) for
further details.
* A group of module that consists of one main module and up to 5 sub modules is operated collectively by connecting an external water temperature sensor
and a dry contact switch/relay to the main module.
MAIN
PCB
External
temperature
sensor (option)
PCB
SUB
Flow switch
Pump interlock
Set point controlled with either:
•PAR-W21MAA or PAR-W31MAA
•Analog Input
•IT terminal
External temperature
sensor (option)
MAIN module
6
M-NET line
2 1
MAIN
PCB
SUB
PCB
SUB module
MAIN
PCB
SUB
PCB
SUB module
MAIN
PCB
SUB
PCB
Flow switch *1
Pump interlock *1
Set point controlled with either:
•PAR-W21MAA or PAR-W31MAA
•Analog Input
•IT terminal
HWE1417B.book 18 ページ ２０１９年７月１６日 火曜日 午後３時４７分