About the Boiler 21
2.8.2 Specifications
Refer to the following table for product specifications.
Items
Specifications
Water flow rate range
2.0–4.0 LPM
Shutoff temperature
35°C
Water temperature range
5–85°C
Ambient temperature range
0–50°C
Max water pressure
10 bar
Installation operation
Horizontal or Vertical
Dimensions (mm)
142.7 x 99.8 x 55.6
Weight (kg)
0.5
2.8.3 Installation Requirements
Refer to the following table for installation requirements for a compatible product, water pipes, and external recirculation pump.
Items
Descriptions
Compatible Products
●
The NaviCirc is most compatible with NCB700 combi boilers.
●
To use the NaviCirc with other products, an external recirculation pump is required.
●
When installing the NaviCirc with the NCB700 boiler, activate the Anti-Legionella feature on the
NCB700. For more information, refer to the NCB700 Installation & Operation manual.
Water Pipes
●
Secondary return water pipes are required for use of the NaviCirc.
●
The maximum length of water pipes (15 mm) used with the NaviCirc is 70 m.
External Recirculation Pump
To use the NaviCirc with other products, external recirculation pump is required.
The pump Max head should be between 5–7 m.
CAUTION
If the external recirculation pump does not meet the recommended specifications provided in
this manual, the NaviCirc may not function properly.
2.8.4 Components
The following diagram shows the key components of the NaviCirc.
A
B
D
C
A
B
D
C
#
Name
Connection Size
Note
A Hot water outlet
NPS ½”
Adapters
with ½” BSP
thread can be
compatible with
the connections.
B Cold water
outlet/Closed
C Hot water inlet
D Cold water
inlet/Return
[Front View]
[Side View]
