RTQ 3S
r
boilers are designed and made for use
in central heating installations, but can also be used for
domestic hot water production if connected to a suitable
storage cylinder. Water fittings are as specified in the
following table.
b
Allow for the dimensions of the control panel that
needs to be installed on top of the boiler.
WATER CONNECTIONS
A
B
70
1
4
3
C
2
5
6
D
F
E
G
DESCRIPTION
RTQ 3S
2700
3000
3500
4000
1 - Central heating flow (*)
DN175
DN175
DN200
DN200
Ø
2 - Instrument bulb / sensor socket
G1/2"
G1/2"
G1/2"
G1/2"
Ø
3 - Safety device fitting
DN100
DN100
DN125
DN125
Ø
4 System return (*)
DN175
DN175
DN200
DN200
Ø
5 Condensate drain
G1"1/4
G1"1/4
G1"1/4
G1"1/4
Ø
6 Boiler drain
G1"1/2
G1"1/2
G1"1/2
G1"1/2
Ø
A
2115
2215
2410
2660
mm
B
610
610
690
690
mm
C
95
107
100
100
mm
D
500
500
550
550
mm
E
129
137
150
150
mm
F
132
125
160
160
mm
G
140
140
160
170
mm
(*) All flanged connections are PN6 according to EN 1092-1.
INSTALLER
20