Frigate HRV-ERV Installation Guide

Frigat_80-150-01
www.vents-us.com
Vents-US
400 Murray Road, Cincinnati, OH 45217, USA
Tel: [phone], Fax: [phone]
E-mail: [e-mail]
CONNECTION OF EXTERNAL CONTROLS
The ventilation unit has facilities for connection of maximum 5 controls. If any control unit is activated, the ventilation unit goes to high-speed mode.
Connectable controls:
1. Remote control (thermostat).
Remote control (thermostat) functions:
• Unit on/o
• Speed selection
• Indoor temperature display
• Scheduled operation
2. CO
2
sensor.
Recommended for use in oce buildings and public premises. When carbon dioxide concentration exceeds the set point, the unit goes to the high speed mode.
3. Humidistat.
The humidistat is used for indoor humidity control. When indoor humidity exceeds the set point, the unit goes to the high speed mode and runs with the high speed until the
humidity level falls down below the set point. The humidity set point is adjustable.
4. Timer.
A remote timer is recommended for polluted indoor air areas. In case of the timer activation, the unit goes to the high speed mode and runs for the set time.
5. Switch.
A switch is recommended for the polluted indoor air areas. When the switch contacts are closed, the unit goes to the high speed mode. Open the switch contacts to return to the
permanent low-speed mode.
All the listed above controls must be connected in compliance with the wiring diagram. Maximum ve various controls can be parallel connected to the terminals 2 and 5.
6. Fire alarm panel signal.
When the controller dry contacts no. 33 and no. 36 are closed, the unit has emergency shutdown. The contacts are jumped by the manufacturer. The jumper must be removed in
case of use of the re alarm.
All the controls listed above must be connected in compliance with the wiring diagram.
G0
Med
Low
High
24 AC
LED (24 V DC)
Button (24 V DC)
24 V DC
10%
20%
30%
40%
max
o
OFF
60
50
40
10
20
ON
OFF
Push Button
ModBus
24 AC
1 3 4 52
5
6
4321
6 87 109
1211
Low Med High G0 0L 0C I
0L 0C I
GND
GND
COM 24 VAC High
+24V+24V A
A
B
B
MODE
20 MIN
60 MIN
40 MIN
20 MIN
40 MIN
60 MIN
ROOM
External control devices
Thermostat
Timers 20 / 40 / 60 min
Terminal block for external connections