Argo AUAH Notice D'installation page 33

• Press the SET button once to enter the circulation pump speed setting menu:
The pump speed is set to 100% by default .
Wait for the pump to start and the re-reading of the flow in the second line of the screen is stable .
7.3.2 - CHECKS
With the pump running, perform the following checks:
• Hydraulic circuit bleed
• Hydraulic pressure between 1.5 and 2.0 bar
• Hydraulic circuit water flow
7.3.3 - WATER FLOW REGULATION PROCEDURE
The heat pump is equipped with a variable speed pump adjustable by a control system .
From the previous menu (pump speed setting) you can set pump speed during normal operation and re-read
the water flow at the set speed .
To change the pump speed, press s or t buttons until the desired flow rate is reached . After any change, wait
a few seconds for re-reading the flow to be stable .
•
Change the pump speed to obtain, depending on the application, the rated working capacity according to
the following table:
Application
Radiant surface
Fan coil
Low temperature radiators
S P E E D : 1 0 0 %
Q : 1.62 m 3 / h
S P E E D : 8 5 %
Q : 1.3 8 m 3 / h
Indoor unit
Water
outlet t.
Outdoor unit
3
35°C Flow m /h
3
45°C Flow m /h
3
55°C Flow m /h
33 33
AUAH AUBH AUCH
G50 G65 G80
0 .72 1 .10 1 .33
0 .67 1 .10 1 .33
- 0 .55 0 .64
EG
AUDH
G110 G140
1 .83 2 .34
1 .82 2 .34
0 .88 1 .12