Buderus GB142 Manuel de référence

Technical service bulletin

Heat Exchanger Replacement

Bulletin Number: TBG-35 | Model: GB142 series boilers

Data subject to change without notice | BTC 435002107 B | 02.2021

Heat Exchanger Replacement Procedure

Remove the cable plug from the gas control valve.

Figure 1

Remove both cable plugs [Fig.2, pos.1] from the fan unit.

Figure 2

Pull down on both retaining clips [Fig.3, pos.1] to open and

remove the burner cover.

1. 1.

Figure 3

Remove the burner [Fig.4, pos.1].

Figure 4

Disconnect the supply [Fig.5, pos.1] and return [Fig.5, pos.2]

sensors.

CAUTION: electrical short circuit

To prevent mix-ups, the supply sensor is marked by a

red sleeve on the side of the cable harness.

Figure 5

Disconnect the safety sensor [Fig.6, pos.1].

Figure 6

1 of 3

Bulletin Number: TBG-35 | GB142 Heat Exchanger Replacement Technical service bulletin

Data subject to change without notice | BTC 435002107 A | 05.2012

Disconnect the hot surface ignitor and ionization electrode

plugs.

Loosen the fastening screws [Fig.7, pos.1].

Pull the ground cable from the hot surface ignitor [Fig.7,

pos.2].

Dismantle the mounting plate [Fig.7, pos.3].

Figure 7

Remove both the hot surface ignitor and the ionization

electrode from heat exchanger [Fig.8].

Figure 8

Open latches [Fig.9, pos.1] on the condensate collector.

1 1

Figure 9

Remove the condensate collector.

Dismantle the tension spring [Fig.10, pos.1] between the

supply pipe and the heat exchanger.

Fully loosen nut [Fig.10, pos.2]. Remove both the nut and the

clip that was revealed beneath it from the old heat exchanger

and reinstall them on to the replacement heat exchanger in

the same location.



Figure 10

Loosen with one turn the nut [Fig.11, pos.1] between the

supply

Pull the supply pipe [Fig.11, pos.2] out of the heat exchanger.

Figure 11

Pull the combustion air supply and flue gas exhaust

connections on top of the appliance upwards to remove

them.

Loosen all fastening screws of the flue gas adapter.

Remove the flue gas adapter [Fig.12, pos.1] from the top of

the appliance.

Figure 12

2 of 3

Bulletin Number: TBG-35 | GB142 Heat Exchanger Replacement Technical service bulletin

Data subject to change without notice | BTC 435002107 B | 02.2021

Bosch Thermotechnology Corp.

65 Grove Street

Watertown, MA 02472

Tel: (866) 642-3198

Fax: (603) 965-7581

www.bosch-thermotechnology.us

Remove the heat exchanger by pulling forward on the bottom

end and then pushing it upwards [Fig.13].

Figure 13

Remove the flue gas collector from the old heat exchanger,

including the oval seal.

Put silicon on both sides of the new oval seal [Fig.14, pos.2], the

flue gas collector and the new heat exchanger [Fig.14, pos.1].

Figure 14

Reassemble the flue gas collector with the new oval seal to the

new heat exchanger.

Check if the new oval seal is placed correctly by opening the

condensate collector.

Install the new seal for the condensate collector [Fig.15, pos.2].

Figure 15

Install the new heat exchanger and all other parts in reverse

order of disassembly.

3 of 3

Autres manuels pour GB142

Autres manuels Buderus Chaudière

Buderus

Buderus SU200.5 E Series Manuel utilisateur

Buderus

Buderus Logano G215 US Manuel utilisateur

Buderus

Buderus 800-24 Manuel utilisateur

Buderus

Buderus Logano G124X II/SP Manuel utilisateur

Buderus

Buderus 600 - 11S Manuel utilisateur

Buderus

Buderus Logano plus GB402 Manuel utilisateur

Buderus

Buderus Logalux SM400.5 E Manuel

Buderus

Buderus Logano plus GB312 Instructions d'utilisation

Buderus

Buderus Logano GE315 Guide de démarrage rapide

Buderus

Buderus Logano GA124-17 Manuel utilisateur

Buderus

Buderus Logano G234X Manuel utilisateur

Buderus

Buderus Logano GC124 II/SP Guide rapide

Buderus

Buderus SM400/5E Manuel utilisateur

Buderus

Buderus 500 - 24/S Manuel utilisateur

Buderus

Buderus SU300.5 Mode d’emploi

Buderus

Buderus Logano G215 WS Manuel utilisateur

Buderus

Buderus 800 Manuel utilisateur

Buderus

Buderus Logamax plus GB162-80 kW Mode d'emploi

Buderus

Buderus GB162 Manuel utilisateur

Buderus

Buderus Logano G115 WS US/CA Manuel utilisateur

Buderus

Buderus Logano G124X II/SP Manuel utilisateur

Buderus

Buderus 500 - 24/S Manuel utilisateur

Buderus

Buderus Logano G615 Guide rapide

Buderus

Buderus Logano GE315 Manuel utilisateur

Manuels Chaudière populaires d'autres marques

Vaillant

Vaillant uniSTOR VIH SW GB 500 BES Manuel utilisateur

Radijator

Radijator BIO max 23.1 Manuel utilisateur

Brunner

Brunner BSV 20 Manuel utilisateur

Potterton

Potterton 50e Fiche technique

UTICA BOILERS

UTICA BOILERS TriFire Manuel utilisateur

Joannes

Joannes LADY Series Manuel

ECR International

ECR International UB90-125 Manuel d'instructions

Froling

Froling FHG Turbo 3000 Manuel utilisateur

Froling

Froling P4 Pellet 8 - 105 Manuel utilisateur

U.S. Boiler Company

U.S. Boiler Company K2 Manuel utilisateur

Henrad

Henrad C95 FF Manuel utilisateur

NeOvo

NeOvo EcoNox EF 36 Manuel utilisateur

Potterton

Potterton PROMAX SL 12 Manuel utilisateur

Eco Hometec

Eco Hometec EC 25 COMPACT Manuel utilisateur

Viessmann

Viessmann VITODENS 200 Mode d’emploi

Baxi

Baxi Prime 1.24 Manuel utilisateur

REXNOVA

REXNOVA ISA 20 BITHERMAL Manuel utilisateur

Radiant

Radiant R2K 55 Manuel