Riello RTC-80 Series - Page 19

19
INSTALLATION
Description Unit
RTC-80
1000 1300 1700 2300 3000 3800 4700 5500
1 – Heating supply NPS
2-1/2"
#150
3" #150 4" #150 4" #150 5" #150 5" #150 6" #150 6" #150
2 – Heating return 1 (Low
Temperature)
NPS
2-1/2"
#150
3" #150 4" #150 4" #150 5" #150 5" #150 6" #150 6" #150
3 – Heating return 2
(High Temperature)
NPS 2" #150
2-1/2"
#150
3" #150 3" #150 3" #150 3" #150 4" #150 4" #150
4 – Safety device tting inch - NPS 1 1/4 1 1/4 1 1/2 1 1/2 3" #150 3" #150 3" #150 3" #150
5 – Boiler drain tting Ø inch 1 1 1 1 1 1/4 1 1/4 1 1/4 1 1/4
6 – Condensate drain
tting
Ø inch 1 1 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4
7 – Flue gas exhaust
tting
Ø mm 250 250 300 300 350 350 400 450
8 – Instrument bulb/
probe sockets
n° x Ø ‘’ 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
A – Distance from boiler
front to supply outlet
inch (mm)
12 1/16
(306)
12 5/8 (321) 12 1/4 (311) 12 1/4 (311) 16 1/8 (410) 16 1/8 (410)
17 5/16
(440)
17 3/8
(442)
B – Distance from
heating ow outlet to
return 1
inch (mm)
41 3/8
(1050)
48 5/8
(1235)
55 5/16
(1405)
63 3/16
(1605)
70 7/8
(1800)
80 11/16
(2050)
86 5/8
(2200)
101 5/8
(2582)
C – Distance between
heating returns 1 & 2
inch (mm)
11 13/16
(300)
9 7/8 (250)
10 1/8
(255)
11 13/16
(300)
13 13/16
(350)
13 13/16
(350)
13 13/16
(350)
28 13/16
(732)
D – Distance between
heating return 2 and
safety device tting
inch (mm)
11 13/16
(300)
17 3/4
(450)
23 5/8
(600)
27 9/16
(700)
29 1/2
(750)
33 1/2
(850)
33 1/2
(850)
33 1/2
(850)
E – Distance between
heating ow outlet and
safety device tting
inch (mm)
17 3/4
(450)
21 1/16
(535)
21 11/16
(550)
23 13/16
(605)
27 9/16
(700)
33 1/2
(850)
39 3/8
(1000)
39 3/8
(1000)
F – Distance between
heating return 1 and ue
gas outlet
inch (mm) 9 1/2 (242) 9 1/2 (242)
10 5/8
(270)
10 5/8
(270)
12 13/16
(325)
12 13/16
(325)
13 3/4
(350)
22 1/4
(565)
G – Height of conden-
sate drain
inch (mm) 6 1/8 (155) 6 1/8 (155) 8 1/2 (215) 8 1/2 (215)
7 11/16
(195)
7 11/16
(195)
8 7/16 (215) 9 1/4 (235)
H – Height of boiler
anges
inch (mm)
57 1/16
(1450)
57 1/16
(1450)
66 3/4
(1695)
66 3/4
(1695)
75 (1905) 75 (1905)
80 5/16
(2040)
85 13/16
(2180)
I – Height of ue gas
outlet
inch (mm)
21 1/16
(535)
21 1/16
(535)
25 (635) 25 (635)
26 3/4
(680)
26 3/4
(680)
28 3/8
(720)
31 11/16
(805)
L – Height of boiler drain
tting
inch (mm) 2 13/32 (61) 2 13/32 (61) 3 1/4 (82) 3 1/4 (82) 3 3/8 (86) 3 3/8 (86) 3 1/2 (90) 3 3/8 (85)
M – Boiler centerline inch (mm)
14 3/4
(375)
14 3/4
(375)
15 9/16
(395)
15 9/16
(395)
19 5/16
(490)
19 5/16
(490)
21 1/16
(535)
22 1/4
(565)
O – Distance from Boiler
drain tting
inch (mm) 5 3/8 (137) 5 3/8 (137)
4 15/16
(125)
4 15/16
(125)
6 7/8 (175) 6 7/8 (175) 7 1/8 (181) 7 (178)
P – Height of heating re-
turn 1 (Low Temperature)
inch (mm) - - - - - - -
53 7/8
(1370)
Flange as per ASME B16.5