Water Flow Control Procedure (Variable Speed); Available System Pressure For Units With Hydraulic Module - Carrier AquaSnap 61AF 022 Installation, Operation And Maintenance Instructions

9 - NOMINAL SYSTEM WATER FLOW CONTROL
9.3 - Water flow control procedure (variable
speed)
61AF units with variable speed hydraulic module include a water
pump that automatically adjusts the flow to maintain a constant
temperature difference.
No control is required at start-up, but the control mode must be
selected in the unit control by a Carrier service representant.
9.4 - Available system pressure for units with
hydraulic module
The available pressure curves for the 61AF units are given for the
higher variable speed of the pump (maximum available pressure).
Data applicable for:
- Fresh water 20°C
- In case of use of the glycol, the maximum water flow is
reduced
For pure water at 20°C
61AF Maximum condenser water flow rate, l/s
22
30
35
45
55
75
105
(1) Maximum flow rate corresponding to an available pressure of 20 kPa minimum
(units with hydraulic module).
1
2
3
1,8
2,4
2,8
3,8
4,6
5,9
6,1
1
2
1
2
Water flow rate, l/s
61AF 022
61AF 030
61AF 035
Water flow rate, l/s
61AF 045
61AF 055
Water flow rate, l/s
61AF 075
61AF 105
1
2
3
1
2
1
2