Mitsubishi Electric CRHV-P600YA-HPB, Service Handbook

Page: 25 / 170

[
II
Restrictions ]
- 18 -
HWE1312A GB
[4] Sample Installation
(1) Individual system
(2) Multiple system (2-16 units)
Refer to the sections "Switch Types and the Factory Settings" (page 19) and
"System configuration procedures: Individual system" (page 22) for further details.
Refer to the sections "Switch Types and the Factory Settings" (page 19)
and "System configuration procedures: Multiple system" (page 23) for further details.
MAIN
PCB
SUB
PCB
External
temperature
sensor
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
External
temperature
sensor
MAIN
PCB
SUB
PCB
* Each unit is operated individually by connecting a dry contact switch/relay to each unit.
External
temperature
sensor
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
MAIN unit SUB unit SUB unit(s)
n units
Inter-unit wiring
(M-NET line)
* A group of unit that consists of one main unit and up to 15 sub units is operated collectively by connecting an external water temperature sensor and a dry
contact switch/relay to the main unit.
MAIN
PCB
SUB
PCB
2 1
MAIN
PCB
SUB
PCB
MAIN
PCB
SUB
PCB
Inter-unit wiring
(M-NET line)
The system must be configured only by pe rsonnel certified by Mitsubishi Electric.
1 Schematic Diagrams of Individual and Multiple Systems