Manitou MRT EASY 55P 400 ST4 S2 Operator's Manual page 293

IT
List of components
1 Air heater fan
2 Control unit
3 Combustion air fan
4 Spark plug
5 Cover
6 Heat exchanger
7 Flame/overheating sensor
8 Modular Timer with
\ potentiometer
9 "Heating/ventilation" switch
10 Fusebox with main switch and
"activation" switch
11 Electric engine
12 Fuel connection
US
Cross-section drawing of heater
13 Flange gaskets
14 Combustion chamber
15 Outlet spout
D2= Ø 60 mm
D4= Ø 75/90 mm
16 Combustion air tube
17 Dosing pump
18 Fuel filter mounted in dosing pump
19 Orientable spout
20 Exhaust pipe
3-97
FR
F = Cool air
W = Hot air
A = Exhaust gas
B = Fuel
V = Combustion air