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GENERAL INSTALLATION INSTRUCTIONS
packed with Tank
DD1 200
External/Internal
DD1 250
External
DD1C 211
External/Internal
DD2 200
External/Internal
DD2C 211
External/Internal
DD3 200
External/Internal
DD3C 211
External/Internal
DD4 200
External/Internal
DD4C 211
External/Internal
DD5 200
External/Internal
DD5C 211
External/Internal
DD6 200
External/Internal
DD6C 211
External/Internal
* ALL HT 575 PTR valves are rated at 850 kPa - RA Part No. 11004781
Assembly
Demand Duo 1
•
Position tank in desired position.
•
Attach PTR valve supplied in box to 20mm port at top of tank. As for the DD1 200e / 200i 250L or
315L, plug off second port with 20mm plug supplied. For DD1 250e/211e/211i 250L or 315L,
attach another PTR valve to second port at the top of tank.
•
Plug off second cold inlet port at the bottom of the tank with 32 mm plug supplied with tank.
•
Run PTR valve drains to suitable discharge position.
Demand Duo 2 - Demand Duo 6
•
Position tank in desired position.
•
Attach PTR valve supplied in tank box to 20mm port at top of tank.
•
Attach second valve to the other 20 mm port at top of tank.
•
Attach the third PTR valve on a DD3 to the hot outlet with the 32 mm threaded tee, nipple and 32
mm male/20mm female reducer supplied.
•
Run PTR valve drains to suitable discharge position.
•
Mark line on wall where top of HD water heaters are to be located.
- A useful nominal height is 1500mm from floor level. This may change depending on desired
position of flue terminal. It may be higher in trafficable areas or to reduce vertical flue length, for
example.
•
For HD200 heaters on DD2,3, 4, 5 and 6, mark 375 mm centres, allowing sufficient space
between tank and the nearest heater for the primary pump(s) and pipework. For HD250e/
HDC211e/HDC211i on DD2 - DD6 mark 500mm centres.
•
Attach first heater to wall, preferably a centre heater.
•
Connect manifold to heater and confirm that marked centres match the manifold.
•
Attach rest of heaters to wall and connect manifold.Attach 32mm tee to cold inlet on tank, with
union as required. Cold inlet is lowest fitting on the tank, 285 mm from the tank base.
Rinnai Australia
PTR VALVE
PTR VALVE
packed with manifold
1 * HT 575
2 * HT 575
2 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
1 * HT 575
BOILER VALVE
packed with
manifold
N/A
N/A
N/A
1 * HT 575
1 * HT 575
2 * HT 575
2 * HT 575
N/A
1 * Valve
N/A
1 * Valve
N/A
1 * Valve
N/A
1 * Valve
N/A
1 * Valve
N/A
1 * Valve
12
FITTINGS
packed with
manifold
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
32mm Tee
N/A
32mm Tee
N/A
N/A
N/A
N/A
N/A
N/A
Operation / Installation Manual
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