1
DESCRIPTION OF THE BOILER
1. 1
INTRODUCTION
"PLANET" boilers are gas-fired thermal
appliances for central heating and domestic
hot water production, production, which use
microprocessor technology for function
control and management. They comply with
the european directives 90/396/CEE,
89/336/CEE, 73/23/CEE, 92/42/CEE
and with the european specifications EN
297 - pr EN 483.
These appliances can be fired by natural
1.2
DIMENSIONS
1.2. 1
"PLANET 25 OF - 30 OF" models
1.2.2
"PLANET 25 BFR - 25 BF - 30 BF" models
gas (methane) and butane gas (G30) or
propane gas (G31).
This booklet provides the instructions for
the following boiler models:
– "PLANET 25 OF - 30 OF"
with electronic ignition and modulation,
natural draught open type combustion
chamber.
– "PLANET 25 BFR"
central heating only, with electronic igni-
tion and modulation, room sealed, for-
ced-draught.
– "PLANET 25 BF - 30 BF"
with electronic ignition and modulation,
room sealed, forced-draught.
– "PLANET 25 BFT"
central heating only, with electronic igni-
tion and modulation, room sealed, for-
ced-dr aught, matchable wit h t he
"BT100" separate tank unit.
The instructions given in this manual are
provided to ensure proper installation and
perfect operation of the appliance.
R
C.H. return
3/4"
M C.H. flow
3/4"
G
Gas connection
3/4"
E
D.H.W. inlet
1/2"
U
D.H.W. outlet
1/2"
25
30
L
mm
450
500
D
mm
130
150
R
C.H. return
3/4"
M C.H. flow
3/4"
G
Gas connection
3/4"
E
D.H.W. inlet
1/2"
U
D.H.W. outlet
1/2"
25
30
L
mm
450
500
Fig. 1
Fig. 1/a
101