Grundfos AQC-D6, Installation And Operating Instructions Manual

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English (GB)
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6. Technical data
6.1 General data on the AQC-D6
6.2 General data on the measuring module
6.2.1 Electrical data of the UPS 25-60N circulating pump
6.2.2 Factory settings of the measuring module as supplied
The bypass measuring module is fitted on the wall mounting plate
and tested for leaks. The fixing accessories supplied allow the
wall mounting plate to be attached to a solid brick or concrete
wall.
The connection cable of the circulating pump is not included in
the scope of delivery.
The circulating pump is preset to level 3.
Design
(measuring cells)
95708118 (314-181): Chlorine dioxide
measuring cell, consisting of a 95708117
(314-180) sensor, flow fitting and water
sensor, mounted on a plate
Housing material
PEEK, PVDF, acrylic and silicone rubber,
resistant to surfactants and similar water
additives
Measuring range 0.00 - 2.00 mg/l
Cross-sensitivity
Cross-sensitivity if chlorine is present:
approximately 2 %
Cross-sensitivity if chlorite is present: < 1 %
Resolution 0.01 mg/l
Response time T
90
~ 30 seconds
Temperature drift
Temperature-compensated measuring
signal
Permissible
process water
temperature
+5 to +70 °C
Sample water flow
rate
Minimum 30 l/h
Maximum
permitted
pressure
8 bar
Permissible
ambient
temperature
+5 to +35 °C
Maximum
permitted relative
humidity
80 %, no condensation
Design (measuring
module)
95708029 (550-2000-1): Measuring
module, consisting of a 95708117
(314-180) sensor, flow fitting and water
sensor, sample water bypass with feed
and outlet line for the flow fitting,
spring-loaded taper seat check valve,
circulating pump for compensation of any
pressure drops that occur, as well as stop
valves at the input and output, mounted
on a plate
Material of the
measuring module
• Pipework: PP, PP/brass
• Gaskets: FPM/PTFE
• Circulating pump: bronze
Permissible process
water temperature
+5 to +70 °C
Sample water flow
rate
At least 30 l/h
Maximum permitted
pressure
8 bar
Permissible ambient
temperature
+5 to +35 °C
Maximum permitted
relative humidity
80 %, no condensation
Weight 15 kg
Measuring module
input / output
Connection for DN 20 pipe in PP or PVC
Supply voltage 230 V, single-phase
Frequency 50/60/70 Hz
Maximum power
consumption
50 W / 60 W / 70 W
Enclosure class IP44