
Manual
JAKKA Control Kit 4
3
www.jakkagroup.com
2
Control Functions
By-pass
The heat recovery unit is equipped with two sensors
T1_indoor
&
T2_outdoor
.
Sensors
T1
indoor sensor (NTC 12k@25°C β=3740)
This sensor measures the returned air temperature from the room
Set point
T3
room set point
temperature
Fans
Exhaust fan, Supply fan
There are three ways to control
heat recovery unit
1. Modbus
2. Remote Control
3. Remote Control connected to Building Manage System
outdoor sensor (NTC 12k@25°C β=3740)
This sensor measures the fresh air temperature from outside
T
2