DeDietrich GTU 120 User manual

GT/GTU 120 - GT/GTU 1200
Fuel oil/gas-fired boilers English
02/11/05
Installation
instructions
EX

2GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Contents
Contents
The various models:
Package list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1 GT 120 . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2 GT 1200 . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3 GTU 120. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
4 GTU 1200/L 160 and GTU 1200/L 250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Mounting GT 120 - GT 1200. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Mounting GTU 120 - GTU 1200 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Tools required:
- 1 Phillips screwdriver,
- 1 broad flat screwdriver,
- 1 13 mm spanner,
- 1 19 mm spanner. Symbols used
Caution danger Risk of injury and damage to equipment.Attention must be paid to the warnings on
safety of persons and equipment
Specific information Information must be kept in mind to maintain comfort
ZReference Refer to another manual or other pages in this instruction manual
GT 120 GT 1200
GTU 120 GTU 1200

3
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Package list
Package list
1 GT 120
The following table gives the package numbers which make up the boiler to be installed.
The packages are presented in the order in which they should be opened for assembly.
(1) or package FM 15 (basic control panel)*
(2) or package FM 102 (E control panel with outside sensor)*
(3) or package FM 18 (Control panel E1)*
(4) or package FM 101 (Diematic 3 control panel without CDI2)*
The assembly of any optional equipment delivered with the boiler is covered in the instructions which accompany it.
The range of optional equipment available is given in the current price list.
* Delivered until the beginning of 2005 but not compatible with tank packages BH 103 and BH 104.
Boiler GT 123 GT 124 GT 125 GT 126
Boiler body FM 1 FM 2 FM 3 FM 4
Cladding
+
Insulation FM 10 FM 11 FM 12 FM 13
Contains the boiler instructions
Control panel All models can be equiped with one of the following control panels:
Contains the control panel instructions
- Control panel B/TA (basic control panel) FM 126 (1)
- Control panel E/TA (Easymatic) FM 127 (2)
- Control panel E1/TA (Easymatic 1) FM 128 (3)
- Control panel ER/TA (Easyradio) FM 130
- Control panel E1R (Easyradio 1) FM 134
- Control panel D/TA (Diematic 3) FM 129 (4)
- Control panel X FM 19

4GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Package list
2 GT 1200
The following table gives the package numbers which make up the boiler to be installed.
The packages are presented in the order in which they should be opened for assembly.
(1) or package FM 15 (basic control panel)*
(2) or package FM 102 (E control panel with outside sensor)*
(3) or package FM 18 (Control panel E1)*
(4) or package FM 101 (Diematic 3 control panel without CDI2)*
(5) Tank packages BH 72 and BH 74 are delivered until the beginning of 2005
The assembly of any optional equipment delivered with the boiler is covered in the instructions which accompany it.
The range of optional equipment available is given in the current price list.
* Delivered until the beginning of 2005 but not compatible with tank packages BH 103 and BH 104.
TankpackagesBH 103andBH 104arecompatible onlywithcontrolpanelpackagesFM 126,FM 127, FM 130and FM 129.Fitting
an alternative panel excludes protection of the tank by the Titan Active System ®. In this case, it is absolutely necessary to fit
package EA 103 (magnesium anode).
Boiler GT 1203/160 GT 1204/160 GT 1205/160 GT 1205/250 GT 1206/160 GT 1206/250
Boiler body FM 1 FM 2 FM 3 FM 3 FM 4 FM 4
Cladding
+
Insulation FM 10 FM 11 FM 12 FM 12 FM 13 FM 13
Contains the boiler instructions
Control panel All models can be equiped with one of the following control panels:
Contains the control panel
instructions
- Control panel B/TA (basic control panel) FM 126 (1)
- Control panel E/TA (Easymatic) FM 127 (2)
- Control panel E1/TA (Easymatic 1) FM 128 (3)
- Control panel ER/TA (Easyradio) FM 130
- Control panel E1R (Easyradio 1) FM 134
- Control panel D/TA (Diematic 3) FM 129 (4)
Domestic hot water tank
Contains the tank instructions and
the DHW sensor
- L 160/TA BH 103 (5) BH 103 (5) BH 103 (5) -BH 103 (5) -
or
- L 250/TA ---
BH 104 (5) -BH 104 (5)
Hydraulic boiler/tank
connection unit BH 75 BH 73 BH 73 BH 75 BH 73 BH 75
Contains the instructions on the
pipes
8800N030

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02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Package list
3GTU 120
The following table gives the package numbers which make up the boiler to be installed.
The packages are presented in the order in which they should be opened for assembly.
(1) or package FM 15 (basic control panel)*
(2) or package FM 102 (E control panel with outside sensor)*
(3) or package FM 18 (Control panel E1)*
(4) or package FM 101 (Diematic 3 control panel without CDI2)*
The assembly of any optional equipment delivered with the boiler is covered in the instructions which accompany it.
The range of optional equipment available is given in the current price list.
*Delivered until the beginning of 2005 but not compatible with tank packages BH 103 and BH 104.
Boiler GTU 123 GTU 124 GTU 125 GTU 126
RS SRS S S S
Boiler assembled:
Boiler body +
Cladding +
Insulation +
Burner
FM 20 FM 35 FM 21 FM 25 FM 26 FM 27
Contains the boiler and burner
instructions
Control panel All models can be equiped with one of the following control panels:
Contains the control panel instructions
- Control panel B/TA (basic control panel) FM 126 (1)
- Control panel E/TA (Easymatic) FM 127 (2)
- Control panel E1/TA (Easymatic 1) FM 128 (3)
- Control panel ER/TA (Easyradio) FM 130
- Control panel E1R (Easyradio 1) FM 134
- Control panel D/TA (Diematic 3) FM 129 (4)
- Control panel X FM 19

6GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Package list
4 GTU 1200/L 160 and GTU 1200/L 250
The following table gives the package numbers which make up the boiler to be installed.
The packages are presented in the order in which they should be opened for assembly.
(1) or package FM 15 (basic control panel)*
(2) or package FM 102 (E control panel with outside sensor)*
(3) or package FM 18 (Control panel E1)*
(4) or package FM 101 (Diematic 3 control panel without CDI2)*
(5) Tank packages BH 72 and BH 74 are delivered until the beginning of 2005
The assembly of any optional equipment delivered with the boiler is covered in the instructions which accompany it.
The range of optional equipment available is given in the current price list.
* Delivered until the beginning of 2005 but not compatible with tank packages BH 103 and BH 104.
TankpackagesBH 103andBH 104 arecompatibleonlywithcontrolpanel packages FM 126,FM 127,FM 130and FM 129.Fitting
an alternative panel excludes protection of the tank by the Titan Active System ®. In this case, it is absolutely necessary to fit
package EA 103 (magnesium anode).
Boiler GTU 1203 GTU 1204 GTU 1205 GTU 1206
RS/160 RS/160 S/160 S/160 S/250 S/250
Boiler assembled:
Boiler body +
Cladding +
Insulation +
Burner
FM 20 FM 21 FM 25 FM 26 FM 26 FM 27
Contains the boiler and burner
instructions
Control panel All models can be equiped with one of the following control panels:
Contains the control panel
instructions
- Control panel B/TA (basic control panel) FM 126 (1)
- Control panel E/TA (Easymatic) FM 127 (2)
- Control panel E1/TA (Easymatic 1) FM 128 (3)
- Control panel ER/TA (Easyradio) FM 130
- Control panel E1R (Easyradio 1) FM 134
- Control panel D/TA (Diematic 3) FM 129 (4)
Domestic hot water tank
Contains the tank instructions and
the DHW sensor
- L 160/TA BH 103 (5) BH 103 (5) BH 103 (5) BH 103 (5) --
or
- L 250/TA ----
BH 104 (5) BH 104 (5)
Hydraulic boiler/tank
connection unit BH 73 BH 73 BH 73 BH 73 BH 75 BH 73
Contains the instructions on the
pipes
8800N030

7
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
Mounting GT 120 - GT 1200
1
Package FM 1, FM 2, FM 3, FM 4
2
The draining valve can be found in the screw bag. Ensure leak tightness using hemp or leak proofing paste.
Position the boiler body on the feet.

8GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
3
Reversing the hinges on the combustion chamber door (if absolutely necessary)
The combustion chamber door is delivered from the factory to open to the right. To open the combustion chamber door to the left, proceed as
follows:
Remove the hinges.
Remove the hinge pin and fit it to the left hand side.
Fit the hinges to the left hand side.

9
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
4 (GT 1200 only)
Fitting the boiler to the tank
Screwthe4adjustablefeetontothebottomofthetank(thefeetcanbefound
in the tank instructions bag).
Level the tank by turning the adjstable feet.
Basic dimension 35 mm. Can be adjusted from 35 mm to 40 mm.
Place the boiler on the tank, respecting dimension P to the front.
Theboilercanbeliftedbyusing2tubesø3/4"placedasshownintheview.
Boiler model
GT 1203 / L160
GT 1204 / L160
GT 1205 / L160 - L250
GT 1206 / L250
GT 1206 / L 160
P (mm) 256 136

10 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
5
Notch A to the front.

11
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
6
Assembling the cross-bar support for the control panel
1. Put the cross-bar support in place on the boiler body. Position it on:
- The M8 (A) pins to the front,
- The assembly rod
(B) and the positioning nipple on the 3rd section (C) .
2. Secure the cross-bar at the front using 2 flanged nuts HM8 (D).
3. Secure the cross-bar to the 3rd section using:
- 1 screw HM8 x 30 (E) + flanged nuts (D) ,
- 1 flanged nut
(D) on the assembly rod.
Fitting the rear cross-bar (GT 125/1205 - GT 126/1206 only)

12 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
7
Fitting the control panel
Control panel with TAS: FM 126 to FM 134
Plastic card support.
Pull the panel forward until it locks.
Secure with the black screw for plastic.
Secure with the self-tapping screw 3.9x13 + washer.
Earthing.
GT120_0001A
1

13
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
Control panel without TAS: FM 15 to FM 19, FM 101 to FM 102
Sheet metal card support.
Secure using 2 self-tapping screws.
Secure with the black screw for plastic.
Secure with the self-tapping screw 3.9x32 + washer.

14 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
8
Fitting the burner cable
9
Installing the bulbs
Put the bulbs in place in the thimble tube to the rear of the boiler.
The number of bulbs varies according to the type of control panel:
2 or 3 bulbs: Use the contact spring (detail A)
4 bulbs: The contact spring is not used (detail B).
Hold the cables in place using the spring for the thimble tube.
Fitthegrommet onthesideoppositethecombustiondoor
hinges in compliance with the requirements of European
safety standards.
The grommet can be found in the panel instructions bag.
Detail A: Control panels B, B/TA and X
- Boiler sensor
- Safety thermostat
- Thermometer (X panel only)
- Contact spring (can be found in the boiler
instructions bag)
-Detail B: Control panels E, E1, D, E/TA, E1/TA,
ER/TA, E1R and D/TA Thermometer
- Boiler thermostat
- Boiler sensor
- Safety thermostat
- No contact spring

15
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
10
Engage the lower notch on the side panel in the base cross-bar.
Ensure that the lower fold in the panel is correctly positioned under the fold in the cross-bar.
Lift the side panel and pull it upwards.
Hook the side panel to the support lugs on the control panel by pulling its upper fold upwards so that the upper fold in the side panel is
centred and locked between the two notches.
Secure the side panels using the 2 self-tapping screws + serrated washers.

16 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
11
The self-tapping screws + washers can be found in the screw bag.
12
The self-tapping screws + washers can be found in the screw bag.

17
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
13
The black screws RLS M6 x 10 can be found in the screw bag.

18 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
14
Fitting the burner
A: 4 allen key (delivered with the burner).
Affix the flange and its gasket.
Push the burner fully into place. Position it in the lower notch B.
Secure the burner.
Fit the cable clamp to the side panel.
Fit the cable clamps on the side of the burner cable, opposite the combustion door hinges.
Remove the cover. Connect the connector to the burner socket. Adjust the length of the cable so that it is necessary to disconnect the
burner cable to open the door of the combustion chamber.
Secure the cable. Slide the surplus cable between the insulation and the side panel.
Replace the burner cover.
8575N239C
1

19
02/11/05 - 300003690-001-A GT/GTU 120 - GT/GTU 1200
Mounting GT 120 - GT 1200
15
A: The black screws RLS M6x10 can be found in the screw bag.
16
Levelling
(1) Basic dimension 25 mm. Can be adjusted from 25 mm to 40 mm.
If the boiler is placed on a L 160 or L 250 tank, screw in the feet as far as they will go.

20 GT/GTU 120 - GT/GTU 1200 02/11/05 - 300003690-001-A
Mounting GT 120 - GT 1200
17
- Affix the rating plate Ato the side of the boiler (can be found in the cladding package).
- If appropriate, affix the translated rating plate Bnext to it (can be found in the boiler instructions bag).
18 (GT 1200 only)
Fitting the boiler/DHW tank connection pipes
ZRefer to the assembly booklet delivered with kit BH 73 or BH 75.