Sample Installation - Mitsubishi Electric QAHV-N560YA-HPB Service Handbook

[ II Restrictions ]

[4] Sample Installation

(1) Individual system
* 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-W31MAA) or
centralized controller (AE-200)
Refer to the sections "[5] Switch Types and the Factory Settings" (page 24) and
"(3) System configuration procedures: Individual system" (page 27) for further details.
(2) Multiple system (2-16 units)
* 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.
External
temperature
sensor
Field-supplied dry contact
switch/relay or remote
controller (PAR-W31MAA) or
centralized controller (AE-200)
Refer to the sections "[5] Switch Types and the Factory Settings" (page 24) and
"(4) System configuration procedures : Multiple system" (page 29) for further details.
HWE1517A
Unit (MAIN circuit)
PCB
controller (PAR-W31MAA) or
centralized controller (AE-200)
Unit (MAIN circuit)
PCB
MAIN unit
Inter-unit wiring
(M-NET line)
Unit (MAIN circuit)
External
temperature
sensor
Field-supplied dry contact
switch/relay or remote
Unit (MAIN circuit)
PCB
SUB unit
- 23 -
PCB
* On AE-200, this function is supported
starting with January 2017 production.
Unit (MAIN circuit)
PCB
SUB unit(s)
Inter-unit wiring
(M-NET line)
n units
GB