Electrical installer
42
4
Figure 4.10
Multiple appliances wiring diagram with one programmable timer and more room thermostats
A
Gas hea
ter
P
Pr
og
rammable timer
RL
Rela
y
SA
Supplied r
oom pr
obe
L
Phase
N
Neutr
al
P
M
230 V ~ 50 Hz
N
L
A
RL3
230V~50Hz
I d
I d
A
RL2
230V~50Hz
A
RL1
230V~50Hz
1
P.E.
N
L
J63
J60
HEA
T.
J30
Tamb1
1
P.E.
N
L
J63
J60
HEA
T.
J30
Tamb1
1
P.E.
N
L
J63
J60
HEA
T.
J30
Tamb1
SA
SA
SA
4.4.9
Positioning the control system
Install the chosen thermostat/control system accord-
ing to the positioning instructions given in Paragraph
4.5.1
4.5
TEMPERATURE PROBES INPUTS
In order to extend the available features, the Next-G
gas unit heater allows up to three NTC 10k temperature
probes to be connected: