Staging Systems
Staging systems are designed so that only the required number of heaters
start to match the desired hot water flow rate.
A Manifolded Electronic Control System (MECS) is available for 2 to 5
heater manifold systems and uses the water flow valve inside the heater to
control its operation. The firing sequence is rotated every tenth shutdown. A
single water controller can control the entire manifold outlet temperature.
Staging can also be achieved by using the Rinnai Pressure Activated Manifold
(PAM) valve. PAM valves are available for 2 to 6 heater manifold systems.
Note: Rinnai Manifold Packs are not compatible with Smartstart® Water
Saver or Deluxe Water Controllers.
How are they supplied?
The HD units are mounted fully assembled to our pre-engineered frames with
foam insulated pipe work, ready to plumb into position at your project.
The Manifold pack is supplied in modular systems of Manifolds of 2 and
Manifolds of 3 units. They are packaged in a separate cartons for ease of freight
and positioning on site. The Manifold Pack 4, 5 and 6 will be supplied in
combinations of MP2 and MP3 as required.
For Example: A Manifold Pack 4 will be supplied as 2 x Modular 2 pack
systems with a couplings kit to join the manifolds together when installed.
What is included with the system?
- Heavy Duty continuous flow units
- 32mm foam insulated Copper Manifold
- 20mm foam insulated Copper Branches with
Isolation Valves to each unit – Hot, Cold and Gas
- Uni-strut wall Mounting Frame
- Staging System as per specification
Optional Extras:
- Freestanding Frame
- Recirculation Pump
- Pre-wired General Power Outlet (GPO) Package
- Ultra Violet (UV) Sterilisation System (legislation dependent)
Note: A GPO is required for each HD unit.
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