STIEBEL ELTRON CNS Series - Setting Comfort and Back Temperatures; Step 2: Set Comfort and Setback Temperatures; Heating Programme Selection; Step 3: Choose Heating Programme

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1.3 Wireless Thermostat Kits
There are several manufacturers offering wireless
thermostat kits for electric heaters. One popular model
is the EConnect Wireless Kit, which we will use in the
diagrams to illustrate the wiring of such devices. To
connect a wireless thermostat to an electric heater
you need a relay/transformer, an antenna, and the
wireless thermostat. Please see figures 6 and 7 for
wiring diagrams for the wireless thermostat relays for
120 and 240 V heaters. For information on any other
aspect of the wireless thermostat installation, consult
the manufacturer’s documentation.
1
2
eConnect
Relay
L
120 VAC
15 A
Single Pole
Circuit Breaker
N
CK/CKT/CNS
120 VAC Units
1
2
eConnect
Relay
L1
240 VAC
15 A
Double Pole
Circuit Breaker
L2
CK/CKT/CNS
240 VAC Units
Fig. 6: 120 V heater with wireless relay.
Fig. 7: 240 V heater with wireless relay.