27
6 - INSTALLATION - Electrical connections
6.8 - Installing the
remote command
on 45WE and 45AE
models
Install the remote command (item “C”
of figure 20) in a site inside the
house.To connect the remote
command to the boiler, proceed as
follows:
remove the boiler casing according
to the instructions given in section
13.2 or 13.3 and open the junction
box per section 6.2;
use a two conductor cable with a
minimum cross section of # 18
AWG. between the boiler and the
remote command.
NOTICE! the maximum remote
command cable length permitted is
65 ft (20 m). For longer lengths, up
to 300 ft (100 m) a shielded cable,
with the shield connected to the
ground, must be used;
WARNING!!! Since the remote
command wires conduct 24 Vac,
they must never be run through
conduits containing 120 Vac power
wires or an electrical shock hazard
will exist.
connect the remote command cable
leads to terminals “BUS” as shown
in figure 18;
connect the remote command cable
leads to terminals N
°
3 and 4 of the
remote command (see figure 20).
A= Remote command box
B = rear side of the remote command
C = Remote command
Figure 20 - Installing of the remote command
1 - 2 = terminals for
room thermostat
(optional)
3 - 4 = terminals for
the connection of
the boiler
A
B
C
Содержание ONEX
Страница 3: ...3 SAFETY INSTRUCTIONS ...
Страница 79: ...79 NOTE ...