About Control Systems - Daikin VAM350J7VEB Installer And User Reference Manual

7 System configuration
Wire type
Single-core wire
A
a Curled single-core wire
b Screw
c Flat washer
7 System configuration
7.1

About control systems

Purposes and applications
Basic method to operate the heat reclaim ventilation
unit
Available functions in case of an independent 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
▪ Interlocked operation with indoor unit by user
interface for indoor unit. Maximum 16 units.
▪ The heat reclaim ventilation unit can also be
operated independently by the user interface for
indoor unit, even if the indoor unit is NOT in
operation. The heat reclaim ventilation unit
CANNOT be operated independently when the
duct is directly connected to the indoor unit.
Available functions in case of an interlocked 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
▪ Pre-cool/pre-heat 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 user interface: Up to 64 groups of
units can be controlled individually by 1 central
user interface.
Installer and user reference guide
20
Installation method
c b
AA´
A´
c
a a
Description of the system
Independent system control system
Interlocked operation control system
page 24.
Centralised control system
SETTING
Wire type
Stranded conductor
wire with round
crimp-style terminal
Central user Unified ON/ Schedule timer User interface
interface OFF controller
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a
Installation method
c b a
B
B
a
a Terminal
b Screw
c Flat washer
O Allowed
X NOT allowed
Controller
User interface Operation/stop
for heat for indoor unit
reclaim
ventilation unit
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VAM350~2000J7VEB
Heat reclaim ventilation unit
4P487293-1 – 2017.08
b c
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