Installation manual
21
20
Dry contact for thermostat
ENGLISH
Setting and using method
Setting and using method
n
Temperature tracking function in thermostat mode
: periodically make a target temp. based on indoor temp. from IDU and delta value and transfer a
renewal target temp. value to IDU.
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Operation example
: When set offset value to ±6 ℉ (±3 ℃), period time value to 3 minutes.
Period 1
(3 minutes)
Period 2
(3 minutes)
Period 3
(3 minutes)
Period 4
(3 minutes)
Period 5
(3 minutes)
Thermostat
Operation
Cooling on
Cooling off
Heating on
Heating off
Fan only
IDU Operation
Cooling
IDU off
or Fan mode
Heating
IDU off
or Fan mode
Fan mode
Indoor Room
Temperature
70 ℉(21 ℃)
72 ℉(22 ℃)
64 ℉(18 ℃)
80 ℉(27 ℃)
Don’t care
Target
Temperature
Updated to
64 ℉(18 ℃)
Not update
Update to
70 ℉(21 ℃)
Not update
Not update
SETTING_SW
Function
Off
On
SW 1
Universal Input
Disable
Enable
SW 2
Universal Input Type
Voltage
Resistance
SW 3
Temperature Tracking
Disable
Enable
SW 4
-
-
-
SW 5
Tracking delta Temperature
SW 6
SW 7
Tracking Period Time
SW 8
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
Notes
• The Set value of Fahrenheit temperature is twice the set value of Celsius Temperature.
• New Target temperature in Cooling Opreation = Room temperature - Tracking delta temperature
• New Target temperature in Heating Operation = Room tempe Tracking delta temperature
Indoor unit monitoring
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Monitoring whether the indoor unit is operating: Refer to
below and connect to the control device that you want to
control.
Error Display
Field Supply
(Depends on Operation display power type)
Power
AC or DC
Field Supply
(Depends on Error display power type)
Power
AC or DC
Operation Display
CAUTION
Field supply power should not use more than DC 12 V (0.5 A), AC 24 V (0.5 A).
!
n
Monitoring indoor unit error: Refer to below and connect to
the control device that you want to control.
