15.1.9.2.1 Manual dosing
Press
START
key to activate a single pre-configured dose.
NOTE45
Manual dosing only available when not dosing automatically via external voltage pulse.
15.1.9.2.2 Analog 4-20 mA mode
With the ability to operate at very low speeds, Analog 4-20 mA mode allows accurate metering of chemicals.
Usually a better solution than dosing at intervals.
15.1.9.2.3 Calibrate the pump for 4-20 mA control (Un only)
l
Pump must be stopped.
l
High and low signals must be within range.
To calibrate:
Procedure
1. Press
MODE
button
2. Use
+/-
keys to scroll to
Analog 4-20 MA
3.
CALIBRATE
.
15 INSTALLATION: PART 6 (SETTING UP THE PUMP (CONTROL SETTINGS))
137
Содержание qdos 20
Страница 40: ...6 Storage 6 1 Storage conditions 41 6 2 Shelf life 41 6 STORAGE 40...
Страница 169: ...Procedure 9 NEXT 10 Use keys to set Alert Level Procedure 11 SELECT to return to FLUID LEVEL SETTINGS 16 OPERATION 169...
Страница 192: ...NOTICE The pumphead locking lever is designed to be loosened or tightened by hand 17 MAINTENANCE 192...