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Setting and using method
Set desired temperature using Universal Input
n Change a desired temperature using universal input value
: the voltage(DC 2.5 V~8.5 V) or resistance(2.5~8.5 kΩ) value of external controller or devices through
universal input port can be applied desired temperature value(18~30 °C).
SETTING_SW
Function
SW 1
Universal Input
SW 2
Universal Input Type
SW 3
Temperature Tracking
SW 4
-
SW 5
Tracking delta Temperature
SW 6
SW 7
Tracking Period Time
SW 8
Notes
• When this function is enabled, value of TEMP_SW is ignored.
• When using resistance type input, it possible to occur ±2 ℉(±1 ℃) tolerance by internal voltage source
environment.
Target Temperature (℃)
Target Temperature(℉)
18
64
19
66
20
68
21
70
22
72
23
74
24
76
25
76
26
78
27
80
28
82
29
84
30
86
14 Dry contact for thermostat
Voltage (-)
Voltage
or
Resistance
Voltage (+)
Off
On
Disable
Enable
Voltage
Resistance
Disable
Enable
-
-
SW 5
SW 6
SET VALUE
OFF
OFF
±8 ℉ (±4 ℃)
ON
OFF
±6 ℉ (±3 ℃)
OFF
ON
±4 ℉ (±2 ℃)
ON
ON
±2 ℉ (±1 ℃)
SW 7
SW 8
SET VALUE
OFF
OFF
3 minutes
ON
OFF
5 minutes
OFF
ON
10 minutes
ON
ON
20 minutes
Input Resistance (kΩ)
Input Voltage (DC V)
2.5
2.5
3.0
3.0
3.5
3.5
4.0
4.0
4.5
4.5
5.0
5.0
5.5
5.5
6.0
6.0
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
8.5
Installation of thermostat
n When interlocking with thermostat, select the option of
control function as described below.
<Switch Function>
TEMP_SW
OPER_SW
0
Conventional AC Unit Thermostat
1
2
Heat Pump Thermostat_O
F
3
4
Heat Pump Thermostat_B
5
1) When interlocking with thermostat, set TEMP_SW to F.
2) Enable CN_WIND signal – Amount of wind flow(Low, Middle, High) signal enable
Notes
• Information of 'OPER_SW' is sensed only initial step by Dry contact module therefore , once the
configuration changed , Reset of Dry contact module is required.
• After power input or unit's reset , wait 25~30 seconds(Display LED 10 times blinking) for unit
stabilization then Dry contact module will operate normally.
• Do not use desired temperature setting function when interlocking with thermostat.
Setting and using method
OPER_SW
TEMP_SW
Thermostat mode
WIND Signal en/disable
Disable
Enable
Disable
Terminal
Enable
Disable
Terminal
Enable
Installation manual 15
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