Product Manual

2
Truma Combi 2 E / 4 E AU
1 Control panel (digital)
2 Room temperature sensor
3 Cold water connection
4 Hot water connection
5 Gas connection (with pressure test point – not shown)
6 Hot air outlets
7 Recirculated air intake
8 Waste gas discharge
9 Combustion air infeed
10 Electronic control unit
11 Water container (10 litres)
12 Burner
13 Heat exchanger
14 Power electronics
15 Heating elements 240 V
16 Overheating switch 240 V
17 Drain valve
18 Water pressure reducer (A and B)
19 P&T relief valve
1
17
2
3
5
7
8
9
10
10
14
15
16
4
12
13
6
6
18
19
A
B
Fig. 1
Table of contents
Symbols used ........................................................................ 3
Safety instructions ............................................................ 3
Function description ......................................................... 5
Operating instructions
Control panels .................................................................... 6
Room temperature sensor ................................................ 6
Drain valve .......................................................................... 6
P&T relief valve
(Pressure and temperature relief valve) ......................... 6
Filling the hot water system ............................................ 6
Draining the hot water system ........................................ 7
Start-up ................................................................................ 7
Switching off ...................................................................... 7
Maintenance ....................................................................... 7
Fuses .................................................................................... 7
Fuse 12 V ............................................................................... 7
Fuse 240V ............................................................................. 7
Overheating protection 240 V ............................................... 8
Faults .................................................................................... 8
Troubleshooting guide (water supply) ................................... 8
Technical data ..................................................................... 9
Accessories ......................................................................... 9
Truma warranty policy ................................................... 10
Installation instructions
Intended use ........................................................................ 11
Approval .............................................................................. 11
Regulations ......................................................................... 11
Selecting a location ......................................................... 11
Securing the device ......................................................... 12
Exhaust gas removal ....................................................... 12
Installing the wall cowl ........................................................ 12
Connecting the exhaust double duct to the device ............ 13
Recirculated air intake .................................................... 13
Warm air distribution ...................................................... 13
Gas connection ................................................................. 14
Water connection ............................................................ 14
Mounting of the discharge pipe .......................................... 15
Mounting the drain valve .................................................... 15
Installation of the pressure reducer .................................... 15
Water pipe routing .............................................................. 15
Installing the room temperature sensor ...................... 16
Installing the control panel ............................................ 16
Electrical connections ..................................................... 16
12V
voltage supply ...................................................... 17
Room temperature sensor .................................................. 17
Control panel / air conditioning system .............................. 17
Electrical connection 230 ~ / 240 V ~ – option – ........ 17
Function test ..................................................................... 17
Warnings ........................................................................... 17
Trademark information
Truma Combi, referred to as Combi below.