TFC Group ECO ET4 User Manual
Page 3

K, Jumper Locations:
J, Jumper Selection:
Delay / No Delay Jumper:
Heater
Cooler
No Delay
10sec
4mins
Delay
4mins
4mins
Choose the delay option if compressor heat is connected.
Heater/Cooler Jumper:
Select the heater option (default) when a heater is connected to the
receiver. Select the Cooler option when using the ET4 for a cooling
application, fan cooling etc. Press “reset” (RST) after modifying jumper
selections.
L, Comms Address Setting:
Inside the transmitter and receiver there is a bank of 9 dip switches for
setting a unique address (pairing). The receiver will ignore
communications from transmitters set to a different address. To access
the dip switches it is necessary to open the thermostat and remove the
front cover from the receiver by removing the two crosshead screws on
the rear cover.
15
16
17 18
Transmitter (Tx) dip
Receiver (Rx)
dip switches
The dip switches on both units must
be set identically to communicate.
M, Specification:
1, Temperature Measurement:
0
0
C - 4
0
C
(0.1
0
C/step)
2,
Accuracy:
± 0.5
0
C
3, Temperature Control Range:
5
0
C - 35
0
C
(0.5
0
C/step)
4,
Terminals:
2.5mm
2
Cable
5, Electronic Control:
Type 2.B action
6, Transmitter Batteries:
2 x 1.5V AAA
Alkaline batteries
7, Receiver Input Voltage:
240V AC
8, Receiver Output Voltage:
24..240V AC
50/60Hz
10(3)A
Max
9, Operating Temperature:
0
0
C - 50
0
C
10, Storage Temperature:
0
0
C - 60
0
C
11, Sensing Element:
NTC Thermistor
19 20
N, Terminal Connecting Block Label:
1
2
3
Default jumper settings:
- No Delay
- 24hr clock
- Heating
TFC Group LLP, Tower House, Vale Rise, Tonbridge, Kent TN9 1TB
tel: 01732 351680 email: [email protected] web:tfc-group.co.uk