Gas And Water Connections - E.C.A. CALORA PREMIX Installation And User's Operating Instructions

9.2. Gas and Water Connections

- 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 Figure 12.
9.2.1.HM Model
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.
- National and local requirements should be take into consideration.
9.2.2. HCH Model
a) CH flow ¾ '' (hot)
b) Water filling line1/2"
c) Gas inlet ¾''
d) CH return ¾'' (cold)
+
a
a b
16
ı
t
t t
b d
C
Figure 12
t t
t
d
C
Figure 13
e