23
INSTALLER
INSTALLER
DESCRIPTION
TAU N
115
150
210
270 350 450 600 800 1000 1150 1250 1450
1 - Heating flow (*)
65
65
65
65
80
100
100
125
125
150
150
150
DN
2 - Heating return 1 (Low Temperature) (*)
65
65
65
65
80
100
100
125
125
150
150
150
DN
3 - Heating return 2 (High Temperature) (*)
50
50
50
50
65
80
80
80
80
100
100
100
DN
4 - Safety device fitting
1”
1/4
1”
1/4
1”
1/4
1”
1/4
1”
1/4
1”
1/2
1”
1/2
80
80
80
80
80
Ø ”- DN
5 - Boiler drain fitting
1”
1”
1”
1”
1”
1”
1”
1”1/4 1”1/4 1”1/4 1”1/4 1”1/4
Ø”
6 - Condensate drain fitting
1”
1”
1”
1”
1”
1”
1/4
1”
1/4
1”
1/4
1”
1/4 1”1/4 1”1/4 1”1/4 Ø ”- DN
7 - Flue gas exhaust fitting
160
200 200 250 250 300 300 350 350 400 400 450
Ø mm
8 - Instrument bulb/probe sockets
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2”
3 x
1/2” n° x Ø ”
A - Distance from burner head to heating flow
outlet
300 300 300 300
315
311
311
410
410
430 430 440
mm
B - Distance from heating flow outlet to return
1
885 885 885 1050 1235 1400 1600 1800 2050 2200 2200 2585
mm
C - Distance between heating returns 1 & 2
200 200 200 300 250 250 300 350 350 350 350
735
mm
D - Distance between heating return 2 and
safety device fitting
285 285 285 300 450 600 700
750 850 850 850 850
mm
E - Distance between heating flow outlet and
safety device fitting
400 400 400 450 535 550 600 700 855 1000 1000 1000
mm
F - Distance between heating return 1 and
flue gas outlet
200 200 200 225
225
270
270
325
325
345
345 560
mm
G - Height of condensate drain
152
152
156
156
156
215
213
195
195
213
213
235
mm
H - Height of boiler flanges
1340 1340 1340 1450 1450 1630 1630 1910 1910 2030 2030 2180
mm
I - Height of flue gas outlet
505 505 505 535 535 635 635 680 680 720
720 805
mm
L - Height of boiler drain fitting
60
60
60
60
60
82
82
86
86
90
90
85
mm
M - Boiler centreline
345
345
345
375
375
395 395 490 490 535 535 565
mm
N - Distance from burner head to door
110
110
110
120
120
125
125
125
125
140
140
150
mm
O - Distance from Boiler drain fitting
132
132
132
137
137
125
125
175
175
180
180
180
mm
(*) All flanged connections are PN6 according to EN 1092-1.