JAKKA Control Kit 4
Manual
www.jakkagroup.com
4
2.1
Control modes
The control mode can be changed by pressing the MODE button (one or multiple times) on the
186RC. The following operational modes can be selected:
FAN
COOL
HEAT
AUTO
VOD
The next paragraphs are describing the different modes.
2.1.1
Mode 1: FAN
In this mode the unit will operate without checking the return air (
T1_indoor
) or outdoor temperature
(
T2_outdoor)
sensors.
2.1.1.1
Fan
Fan speed default is medium if Mode is changed but can be changed with FAN button. The FAN button can select
High, Med and Low speed for the separated Supply fan and Exhaust fan. The values are not settable.
2.1.1.2
By-pass Valve
By-pass valve is always closed.
2.1.2
Mode 2: COOL
During the summer season the COOL mode either can be manually selected with the remote control or automatically
controlled via the BMS (Building Management System) inputs When BMS J5(5-
13) is ON (closed) and season select
input J5(1-9) is closed, the mode will be COOL. The BMS input has priority over the remote control setting.
2.1.2.1
Fan
Fan speed default is medium if Mode is changed but can be changed with FAN button. The FAN button can select
High, Med and Low speed for the separated Supply fan and Exhaust fan. The values are not settable.
2.1.2.2
By-pass Valve
In COOL mode the damper valve will be controlled in accordance with following conditions.
temp_MIN_Outdoor_Cooling = 10
°C
temp_MAX_Outdoor_Cooling = 32
°C
By-pass valve close conditions:
1. T2_outdoor > T1_indoor
and
T3_setpoint < T1_indoor
2.
and
and
T2_outdoor > T1_indoor
T3_setpoint > T1_indoor
T2_outdoor >
32°C
3.
and
and
T2_outdoor < T1_indoor
T3_setpoint < T1_indoor
T2_outdoor <
10°C
4.
and
T2_outdoor < T1_indoor
T3_setpoint > T1_indoor
By-pass valve open conditions:
1. T2_outdoor > T1_3
and
T3_setpoint > T1_indoor -2
T2_outdoor <
32°C
2.
and
and
T2_outdoor < T1_indoor -3
T3_setpoint < T1_indoor -2
T2_outdoor >
10°C