EDMMT712101
Control System
VAM-HVE/HVLT Series
41
Fresh-Up (Pre Vent) Operation [Heat Reclaim Ventilator Unit]
Purpose
•
Functions
Performs excessive air supply operation to prevent backflow of odor by interlocking with a local (toilet/kitchen) ventilation fan.
(The balance between air supply and exhaust airflow is set to air supply > exhaust air.)
The exhaust fresh-up operation can also be set to prevent the spread of contaminated indoor air and moisture to other rooms by
keeping the room under negative pressure.
(The balance between air supply and exhaust airflow is set to air supply < exhaust air.)
POINT
ON/OFF and changeover of fresh-up operation mode can be done using remote controller or by external input (J1/JC terminal).
Airflow rate mode
Setting by remote controller
Airflow rate mode
J1 & JC: Open
J1 & JC:
Closed
Fresh-up
OFF
Normal
※
Fresh-up
ON
Fresh-up
Fresh-up
Note) 1. During group control, only the units for which close signal is input
to J1 and JC perform fresh-up operation. (
※
)
2.
The factory default setting is “Normal” mode (J1 & JC open).
Fan operation mode
Field
setting for
ventilation
fan
Remote controller
External
input
Fan operation
Airflow
rate
Fresh-up
Between
J1-JC
Fresh-up
“Supply” mode
Fresh-up
“Exhaust” mode
SA
EA
SA
EA
Normal
Low
OFF
OPEN
Low
Low
Low
Low
ON
Short
circuit
High
Low
Low
High
High
OFF
OPEN
High
High
High
High
ON
Short
circuit
Ultra high
High
High
Ultra
high
Ultra high
Low
OFF
OPEN
Low
Low
Low
Low
ON
Short
circuit
High
Low
Low
High
High
OFF
OPEN
Ultra high Ultra high Ultra high
Ultra
high
ON
Short
circuit
Ultra high
High
High
Ultra
high
Example of control wiring
J1
JC
P1 P2
F1 F2
P1 P2
Transmission wiring is up to 50m.
(Contact on site)
Heat Reclaim Ventilator Unit
Remote controller
Contact on
site
Operation of
the unit
Specifications for external contact
Short
circuit
Fresh-up
• Non-voltage normally open contact
• Microcurrent contact (Minimum applicable load:
DC12V, 1mA or below)
OPEN
Normal
Switch number that needs to be changed for the system
Field settings using remote controller is required.
Field settings using remote controller
Supply fresh-up …… [18(28)
•
7
•
01] (factory default setting)
Exhaust fresh-up …… [18(28)•7
•
02]
Mode
No.
Setting
switch
No.
Setting position
01
02
Fresh-up operation ON/OFF setting
1A
—
OFF
ON
Fresh-up supply/exhaust setting
18 (28)
7
Supply fresh-up
Exhaust fresh-up
Factory default setting
Essential optional accessory
NIL.
Summary of Contents for VAM Series
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Page 4: ...EDMMT712101 2 Table of Contents 17 6 Precautions for Design and Installation 181 ...
Page 56: ...Control System EDMMT712101 54 VAM HVE HVLT Series C 3P343420 1E ...
Page 138: ...Installation Manual EDMMT712101 136 VAM HVE HVLT Series 3P607378 3C ...
Page 139: ...EDMMT712101 Installation Manual VAM HVE HVLT Series 137 3P607378 3C ...
Page 141: ...EDMMT712101 Installation Manual VAM HVE HVLT Series 139 C EM20A032 ...
Page 142: ...Installation Manual EDMMT712101 140 VAM HVE HVLT Series C EM20A032 ...
Page 143: ...EDMMT712101 Installation Manual VAM HVE HVLT Series 141 C EM20A032 ...
Page 147: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 145 3P607378 3C ...
Page 148: ...Details of Optional Accessories EDMMT712101 146 VAM HVE HVLT Series 3P607378 3C ...
Page 149: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 147 3P607378 3C ...
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Page 151: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 149 3P607378 3C ...
Page 152: ...Details of Optional Accessories EDMMT712101 150 VAM HVE HVLT Series 3P607378 3C ...
Page 155: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 153 4P457318 1D ...
Page 156: ...Details of Optional Accessories EDMMT712101 154 VAM HVE HVLT Series 4P457318 1D ...
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