11
1.12
Important information about the flue gases pipe
Low flue edge
Bad surface,dust etc.. Blocking gas flow
Dust obstacling cleaning
Flue which is not available for cleaning
Weakly closed door
Too long pipe
Cleaning door leaking air
Objects blocking gas flow
Connection betwee two flue lines
Another boiler on same flue
Cracks
Humidity
Flue without ridge
Thick section
1
Flue must be isolated. Isolation ratio is:
∆
t< 1°C/m
Minimun flue highth must be 6 m.
Horizontal flue channels must be connected with at least %5 slope
and length of them will not pass 1/4 of the lenght of the flue.
The gas flow speed must not come under 0,5 m/sec. limit. (2 m/sec.
in the advised speed)
1.13
Standard control panel of the boiler
1
Main ON/OFF switch
2 Boiler thermostat (from 30 to 90° C)
3 Boiler thermometer
4 Safety thermostat with manual reset (set to
100° C)
5 Pilot light faulty
6 Boiler running pilot light
7 Reset button
8 Fuse
9 No water pressure pilot light
10 Position for fitting the ecological panel
9
Boilers in the RTT 29-79 range have a maximum operating
temperature of 100°C. Adjust the boiler thermostat to a value
no higher than 82°C.v
1.14
Wiring diagram
220 V. 50 Hz. electrical supply Single-phase
1
2
3
4
5
6
7
B
P
TC
TS
LB
OT
OR
F
IL
LP
Ph
220
V 50
Hz
N
8
9
F
6A fuse
P
Circulation pump
B Burner
OR Clock
IL
On-Off key
OT
Ambient temperature
TC
Boiler thermostat
TS
Safety thermostat
LP
Energy lamp
LB
Limit thermostat lamp
