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LCD Electronic Thermostat
EXT-RCF-24, EXT-RCP-24
Parameter Settings
Parameter Description
1
Power on status (0: off, 1: on, 2: hold)
2
Fan speed (0: single speed, 1: three speed)
3
Fan mode (DA: When the temperature
reaches the set-point, the valve will close
with the fan still running. DB: When the
temperature reaches the set-point, the
valve will close and the fan will shut off.)
4
Sensor selection (0: internal, 1: remote)
5
Temp. display (0: Celsius, 1: Fahrenheit)
6
Temperature calibration
7
Minimum setpoint
8
Maximum setpoint
9
Dead band
Modulating Output Options
Location ON
1
120 ohm resistance between AB wires
2
Port 1 modulation 0-20 mA
3
Port 1 modulation 0-10 VDC
4
Port 2 modulation 0-20 mA
5
Port 3 modulation 0-10 VDC
Note: Switch (5 pole switch on PCB)
800-543-9038 USA
Default
Range
2
-
1
-
0
-
0
-
0
-
0
-20 to +20
5° / 41°
0 to 99
35° / 96°
0 to 99.5
2
-
OFF
No resistance between AB wires
Off
Off
Off
Off
866-805-7089 CANADA
Wiring Diagrams
CLOSE
VC
OPEN
VO
Floating Control
Cooling/Heating
L
HI
MED
Fan
LOW
EXT-RCF-24
EXT-RCF-24
0-10V
M
/4-20mA
V+
Modulating Control
Cooling/Heating
L
HI
MED
Fan
LOW
EXT-RCP-24
EXT-RCP-24
203-791-8396 LATIN AMERICA / CARIBBEAN
COM
L
~
TR
24VAC
N
A
B
Input
Input
RS
Remote Sensor
~
L
~
TR
24VAC
N
A
B
Input
Input
RS
Remote Sensor
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