Independent System - Daikin VAM350J7VEB Installer And User Reference Manual

7 System configuration
Purposes and applications
Available functions in case of an independent system control system:
▪ Ventilation mode changeover: automatic or manual
▪ Air flow rate changeover: high/low
▪ Air flow rate mode changeover: normal mode/fresh-up mode
▪ Malfunction display
▪ Linked operation with air conditioner by
controller for air conditioner. Maximum 16 units.
▪ The heat reclaim ventilation unit can also be
operated independently by the controller for the
air conditioner, even if the air conditioner is NOT
in operation. The heat reclaim ventilation unit
CANNOT be operated independently when the
duct is connected directly to the air conditioner.
Available functions in case of a linked operation control system:
▪ Ventilation mode changeover: automatic or manual
▪ Air flow rate changeover: high/low
▪ Air flow rate mode changeover: normal mode/fresh-up mode: initial setting required
▪ Precool/preheat operation: initial setting required
▪ Nighttime free cooling operation: initial setting required
▪ Malfunction display
For an overview of settings, see "8.2 List of settings" on
▪ Unified ON/OFF controller: Maximum 16
groups of units.
▪ Schedule timer: 1 schedule timer can control
the weekly schedule of 128 units.
▪ Central controller: Up to 64 groups of units can
be controlled individually by 1 central controller.
Available functions in case of a central control system:
▪ Ventilation mode changeover: automatic or manual
▪ Air flow rate changeover: high/low
▪ Air flow rate mode changeover: normal mode/fresh-up mode (field setting required when controller for heat reclaim ventilation unit is NOT used)
▪ Air flow rate mode changeover: normal mode/fresh-up mode (when controller for heat reclaim ventilation unit is installed)
▪ Precool/preheat operation: initial setting required
▪ Nighttime free cooling operation: initial setting required
▪ Malfunction display
For an overview of settings, see "8.2 List of settings" on
a Unified ON/OFF controller, Schedule timer, Central controller
Heat reclaim ventilation unit
Air conditioner
Controller
Controller
7.2

Independent system

System
Heat reclaim ventilation unit
Controller
Installer and user reference guide
22
Description of the system
Linked operation control system
page 25.
Central control system
a
SETTING
page 25.
▪ Up to 16 units can be controlled with the controller (a system with 2 controllers can be
created using master/slave switching).
▪ All heat reclaim ventilation unit operations can be used and displayed.
▪ The controller cord should be procured locally (cord length: up to 500 m).
Controller
Central Unified ON/ Schedule timer Controller for
controller OFF controller
— — —
◯ ◯ ◯
Standard method
Controller for Operation/stop
heat reclaim air conditioner
ventilation unit
— ◯ ◯
◯ ◯ ◯
Related items in electric wiring
See "8.3.2 Independent system" on
page 30
VAM350~2000J7VEB
Heat reclaim ventilation unit
4P487293-1A – 2018.05