Radiant RCM, Инструкция по установке, эксплуатации и обслуживанию

Страница: 16 / 33

Installation Manual
Wall Hung Boiler – Cod. 99817NA – July 2001 11
CONNECTION OF ROOM THERMOSTAT
NOTE
: use class II room thermostats only.
The thermostat wire must not be placed in the channel containing high tension wires, but must have its own line
The room thermostat lead must not exceed 50m n length; minimum section 0.5 mm.
Connection : after carrying out the operations described on page 15, proceed as follows:
A. Insert the room thermostat lead into the entry point on the electrical control box along with all the other leads on the boiler.
B. Move the bridge PT (see fig.1) from terminal TA to the free one next to it.
C. Insert the thermostat wires (fig.2) one in terminal TA and the other in the one next to it occupied by bridge PT which you
have just moved.
If a timer is fitted as well as a room thermostat, carry out the electrical connections for the timer according to the indications in
figures 3 (tipe clock + room thermostat) and 4 (time clock only).
OR
TA
TA
5 4
L OR
TA N
L
N
3 2 1
M
1
2 3
4 5
M
OR TA
PT
TA
N L TA L OR N
PT
re
d
ye
llo
w
bl
ue
br
ow
n
re
d
ye
llo
w
bl
ue
br
ow
n
Fig. 1 Fig. 2
Fig. 3
Fig. 4