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ü
Refer table below for installation recommendations:
Input
Rated voltage
G
Y1
Y2
W1
W2
ü
When the controller main board is configured as thermostat control, the remote controller is used for monitoring
purpose only.
ü
Unit needs to be restarted (power off and on) whenever dip switch setting is changed.
(ii) BMS control (TB_BMS-I)
ü
To use this control, set Dip Switch Setting: SW3 - ON (default is OFF) and panel parameter G8 to '1' (default is '0').
ü
G8 = Control Type
0
= Panel
1
= BMS
2
= DEC
ü
For TB_BMS-I, there are 3 control inputs:
unit on/off; operating mode (cool-0/heat-1); and set point (4~20mA).
ü
Refer below table for installation recommendations:
Input TB_BMS-I
On/Off
Operating mode
Cool/Heat set point
ü
When the controller main board is configured as BMS control, the remote controller is used for monitoring
purpose only.
ü
Unit needs to be restarted (power off and on) whenever dip switch setting is changed.
(iii) Dry contact output (TB_BMS-O)
ü
For TB_BMS-O, there are 4 monitoring outputs: error alarm; output1; output2; and defrost signal.
ü
Refer table below for installation recommendations:
Input TB_BMS-O
Alarm output (AL)
Output1 (O1)
Output2 (O2)
Defrost signal (DFRT)
ü
The output signals will vary depending on the configuration of controller main board, whether it is thermostat
control or BMS control.
(1) For thermostat control, the outputs are indicated as shown in the table below.
Thermostat input
(SW1-ON)
G
Y1
0
0
1
0
X
1
X
1
X
0
X
0
X
X
X
X
Remark: X = Don't care.
(2) For BMS control, the outputs are indicated as shown in the table below.
OPERATING
ON/OFF
0
0
1
1
X
X
Remark: X = Don't care.
24
Rated current
24V AC
5mA
Rated voltage
Rated current
24V AC
24V AC
-
230V AC/125V AC/30V DC
230V AC/125V AC/30V DC
230V AC/125V AC/30V DC
230V AC/125V AC/30V DC
ERROR
Y2
W1
W2
0
0
0
X
0
0
0
X
0
X
X
X
1
X
X
X
X
1
0
X
X
1
1
X
X
X
X
1
X
X
X
X
BMS input
(SW3-ON)
COOL/HEAT
MODE
SET POINT
0
X
1
X
0
X
1
X
X
X
X
X
Wire size
AWG18~22
Wire size
5mA
5mA
AWG18~22
4~20mA
Rated voltage
DEFROST
Alarm output
(AL)
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
X
ERROR
DEFROST
X
X
X
X
X
X
X
X
1
X
X
1
ON
OFF
1 2
3 4 5 6
7 8
Rated current (A)
1/3/3
2/3/3
3/3/3
4/3/3
Output1
Output2
(O1)
(O2)
0
0
0
1
1
0
1
0
1
1
1
1
X
X
X
X
Alarm
Output1
Output2
output
(AL)
(O1)
(O2)
X
0
X
0
X
1
X
1
1
X
X
X
Wire size
AWG18~22
Defrost
signal
(DFRT)
X
X
X
X
X
X
X
1
Defrost
signal
(DFRT)
0
X
1
X
0
X
1
X
X
X
X
1
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