Specifications

Rinnai Australia 7 Owners Guide & Installation Instructions
SPECIFICATIONS
Selection of DDHEX250 High Efficiency Heat Exchange Hot Water Systems
First Hour
Hot Water
Delivery
Litres
15-60°C
Peak Flow
Rate (10
min peak)
Litres/min
Recovery
Rate Litres/
hour
System
Number
Selection
Systems
HEX250
Vented
Tanks
HD250
Gas Hot
Water
Units
Full Load
kW
Capacity
Gas Load
MJ/hour
820 20 720 1 x
1 x
1 x
1 x
DD1HEX250F200EN
DD1HEX250F200IN
DD1HEX250F200EL
DD1HEX250F200IL
1 1 45 200
1560 32 1440 1 x
1 x
1 x
1 x
DD2HEX250F200EN
DD2HEX250F200IN
DD2HEX250F200EL
DD2HEX250F200IL
1 2 90 400
2300 45 2100 1 x
1 x
1 x
1 x
DD3HEX250F200EN
DD3HEX250F200IN
DD3HEX250F200EL
DD3HEX250F200IL
1 3 135 600
3120 65 2820 2 x
2 x
2 x
2 x
DD2HEX250F200EN
DD2HEX250F200IN
DD2HEX250F200EL
DD2HEX250F200IL
2 4 180 800
4600 90 4200 2 x
2 x
2 x
2 x
DD3HEX250F200EN
DD3HEX250F200IN
DD3HEX250F200EL
DD3HEX250F200IL
2 6 270 1200
6910 136 6300 3 x
3 x
3 x
3 x
DD3HEX250F200EN
DD3HEX250F200IN
DD3HEX250F200EL
DD3HEX250F200IL
3 9 405 1800
9200 181 8340 4 x
4 x
4 x
4 x
DD3HEX250F200EN
DD3HEX250F200IN
DD3HEX250F200EL
DD3HEX250F200IL
4 12 540 2400
11500 226 10440 5 x
5 x
5 x
5 x
DD3HEX250F200EN
DD3HEX250F200IN
DD3HEX250F200EL
DD3HEX250F200IL
5 15 675 3000
• When multiple Vented Tanks are installed they must be equal length plumbed
(see below diagram) to ensure pipework is balanced.
Figure 1 - Maximum of 3 x HD Hot Water Units per tank
NOTE
A =A =A
D =D =D
BC
=B=C
=B
=C
=B=C
Potable
Hot Out
Potable
Cold In
(Valves not included)