Buderus Logano plus GB312 Installation Manual page 93

Boiler heat exchanger (
Item
Description
no.
10 Boiler heat exchanger GB312 4Gld "US/CA"
10 Boiler heat exchanger GB312 5Gld "US/CA"
10 Boiler heat exchanger GB312 6Gld "US/CA"
10 Boiler heat exchanger GB312 7Gld "US/CA"
10 Boiler heat exchanger GB312 8Gld "US/CA"
Spare parts available for replacement heat exchanger
20 Piping VK GB312-4Gld "US/CA"
20 Piping VK GB312-5Gld "US/CA"
20 Piping VK GB312-6Gld "US/CA"
20 Piping VK GB312-7Gld "US/CA"
20 Piping VK GB312-8Gld "US/CA"
30 Screw set for boiler flow piping
Flat gasket D31/47x6 Shore 70EPDM with
40
glass fabric tape D48/63x0.25 PTFE coated.
45 O-ring 80x5 Shore 70EPDM
47 Threaded studs
50 Blanking flange 110x110 GB312 "US/CA"
60 Cleaning cover for heat exchanger GB312 V3
70 Sq cord 10x5 silicon self-adhesive
80 Condensate pan cover GB312-4Gld
81 Condensate pan cover GB312-5Gld
82 Condensate pan cover GB312-6/7/8Gld
91 Lip gasket DN160 for 4 and 5 sections
92 Lip gasket DN200 for 6, 7 and 8 sections
100 Spacer bolt M8x46
110 Hex nut EN 1661 M8 A3k serrated
115 Flow restrictor R3/4 - D11x63
Available spare parts that are not part of replacement heat exchanger.
120 Piping RK GB312-2 1/2 "US/CA"
130 Single sensor G1/4 45lg
140 Pressure transmitter type 505
Boiler fill/drain valve 1/2 with thread sealing
150
washer
155 Reducer nipple Rp 3/4"xG1/4" (MS)
156 Boiler sensor G 1/4 75lg
161 B-kit GB312 "US/CA" 90-280kW
Available spare parts for B-kit GB312 "US/CA":
170 Non-return check valve GB312 "US"
180 Gasket 124x73x1.7
Pressure relief valve 3/4"Fx1"F 50PSI 90-
191
280kW
200 Temperature/pressure gauge WINTERS 1/2"M 7747016332
Available accessories for B-kit GB312 "US/CA":
210 Low water cut-off SAFGARD 3/4"M
240 High temperature cut-off 3/4"M
Resonator D110x250 for GB312 pan assy.
270
only for boiler ratings 120kW + 90kW
Components:
Resonator D=110x250 1 off
(X) Hex-head bolt DIN6921 M8x12 8.8 A3k SV
280 Gasket D=40x2 SIL24 k
290 Trap GB312/SB barrier height 145
300 Trap with 145mm barrier height V2
Components:
Elbow 90 DN32
Tab. 18 Boiler heat exchanger
Logano plus GB312 - Technical specifications are subject to change without prior notice
Fig. 73)
Buderus
article number
7747016291
7747016292
7747016293-
7747016294
7747016295
7747016300
7747016301
7747016302
7747016303
7747016304
63037175
(x)
7747015946
63046604
63038372
63037299
63037300
63037301
63037867
63037868
See below for assembly parts for expansion vessel G135 V2/GB312
See below for assembly parts for expansion vessel G135 V2/GB312
7747006047
7747016311
63041677
63038366
63005974
63038415
63029641
7747017656
7747016327
7747016326
7747017645
7747016333
7747016328
63041096
(x)
63037864
63043767
90-4 120-4 160-5
1 1 -
- - 1-
- - -
- - -
- - -
1 1 -
- - 1
- - -
- - -
- - -
1 1 1
See below for gasket set for GB312 boiler heat exchanger
See below for gasket set for GB312 boiler heat exchanger
6 6 6
3 3 4
1 1 1
1 1 1
1 1 -
- - 1
- - -
1 1 1
- - -
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
3 3 3
1 1 1
1 1 1
1 1 1
1 1 1
1 1 -
- 1 -
- 2 -
See below for gasket set for GB312 boiler heat exchanger
1 1 1
1 1 1
1 1 1
12
Spare parts
200-6 240-7 280-8
- - -
- - -
1 - -
- 1 -
- - 1
- - -
- - -
1 - -
- 1 -
- - 1
1 1 1
6 8 8
5 6 7
1 1 1
1 1 1
- - -
- - -
1 1 1
- - -
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
3 3 3
1 1 1
1 1 1
1 1 1
1 1 1
- - -
- - -
- - -
1 1 1
1 1 1
1 1 1
93