E.C.A. CITIUS PREMIX - Gas and Water Connec�Ons

9.2. Gas and Water Connections
9.2.1. HM Model
- Water and gas supply connections between the boiler and the mounting bracket can be fixed with the
optional pipes and the nipples as shown in.
a) CH flow ¾ ‘’ (hot)
b) DHW outlet ½ ‘’ (hot)
c) Gas inlet ¾’’
d) DHW inlet ½ ‘’ (cold)
e) CH return ¾’’ (cold)
- A suitable valve should be mounted on the gas inlet and
CH & DHW water circuit. In addition, a water filter should
be mounted on CH (3/4”) return and DHW (1/2”) inlet.
- A plastic pipe should be fixed the outlet tap of the three bar
relief valve and the pipe should be connected to the drain
line.
- The connection between the appliance and gas supply
must be made with a flexible pipe.
Figure 11
9.2.2. HCH Model
a) CH flow ¾ ‘’ (hot)
b) Water filling line1/2"
c
) Gas inlet ¾’’
d) CH return
¾’’ (cold)
Figure 12
18