Technical
Specifications
10
2 Technical Specifications
Item Description Connection Size
1 DHW Out 22mm compression
2 T & P valve connection
1
/2" BSPF
3 Heat pump return tapping 22mm compression
4 Secondary return tapping 22mm compression
5 Dual thermostat pocket -
6 Heat pump flow tapping 22mm compression
7 Auxiliary (Solar) heat source
return tapping
22mm compression
8 Auxiliary (Solar) heat source dual
stat pocket (for dual stat only)
-
9 Cold water inlet 22mm compression
10 Auxiliary (Solar) heat source
flow tapping
22mm compression
11 Immersion heater c/w control
& limit thermostat (factory fitted)
1
3
/4" BSPF
Item Description Connection Size
13 Pressure reducing valve - 3 bar -
14 Balanced cold supply connection 22mm compression
15 Expansion relief valve - 6 bar 15mm compression
16 Temperature & Pressure relief
15mm compression
valve - 90°C/7 bar
17 Tundish 15/22mm compression
18 Discharge pipe
(not supplied with cylinder)
-
19 Mains water supply pipe
(not supplied with cylinder)
-
20 Drain cock
(supplied with cylinder)
-
Note:
Pipework between items 15 and 16 not supplied with cylinder.
1
13
14
15
16
18
19
20
236
4
5
11
8
7
9
10
Figure 2-6: DuoWave HP indirect cylinders
17