AB-7042
8
(2/2)
Item Specification
Valve sensor
Pressure
measuring
Measuring range 0 MPa to 1.0 MPa*
3
Accuracy of
the displayed
pressure
0.5 %FS (factory preset) *
4
Temperature
measuring
Measuring range 0
C to 80
C
Accuracy
1.0
C (factory preset) in the 0
C to 80
C measuring range*
5
(within 0
C to 80
C measuring range, at -25
C to 40
C temperature difference between measuring
temperature and ambient temperature)
Pt100 input
Temperature
measuring
Accuracy*
6
Conversion
accuracy:
0.4
C (at 0
C to 50
C ambient temperature)
0.6
C (at -20
C to 0
C ambient temperature)
Error due to wiring length:
0.15
C (15
15 m)
in the 0 to 80
C measuring range
Energy
calculation*
7
(with two
temperature
sensors (Pt100
input) connected)
Accuracy
Temperature
difference b/w
supply and
return water
Flow rate measuring accuracy*
8
5 %RD
7 %RD
10 %RD
1 %FS
3 %FS
T = 5
C
25 %RD
27 %RD
29 %RD
21 %FS
23 %FS
T = 10
C
15 %RD
17 %RD
20 %RD
11 %FS
13 %FS
T = 15
C
12 %RD
14 %RD
17 %RD
8 %FS
10 %FS
Notes:
3 When you test the withstand pressure of the valve sensor manufactured on and after Nov. 1, 2011 (date code: 1144 or greater), up to
1.6 MPa pressure can be applied to the valve sensor.
4 Accuracy of the displayed pressure was calibrated with the conditions, temperature of fluid: 7 °C to 65 °C, barometric pressure: 99 kPa.
If the actual conditions are out of the estimated ones, the accuracy may degrade.
(This specification is applied for the products manufactured on Dec. 1, 2016 or later (date code: 1648).)
5 For accurate measuring of flow temperature, thermal insulation is required. Refer to the subsection
Heat insulation
for applying thermal
insulation.
6 Overall accuracy is calculated based on the sensing accuracy of the temperature sensors connected, the conversion accuracy, and the
error due to wiring length.
7 Energy calculation accuracy is calculated from the flow rate measuring accuracy at 1
C measuring error of the temperature difference.
8 The flow rate measuring accuracy in the table corresponds to the data shown in the above flow rate measuring accuracy graph.
Data in Model FVY5130J/FVY5140J/FVY5150J
Data type
Description
Flow data
Following items are displayed on Display Panel (Model QY5010S1000):
Actual flow, supply water temperature, return water temperature, valve inlet pressure, valve outlet pressure,
actual flow (% in bar graph), actual valve position (% in bar graph)
Following items are output in analog signal using RS-485/analog output signal converter (Model
RYY792C3001):
Control setting value, actual valve position, actual flow, set flow, supply water temperature, return water
temperature, valve inlet pressure, valve outlet pressure, instantaneous energy
Following items are retrieved via RS-485 communication (Modbus protocol):
Control setting value, actual valve position, actual flow, set flow, supply water temperature, return water
temperature, valve inlet pressure, valve outlet pressure, instantaneous energy, totalized flow, totalized
energy, cool/heat status, point status*
1
Device data
Following items are retrieved via RS-485 communication (Modbus protocol):
Model number, date of manufacture, version of hardware, version of software, serial number, power-ON time,
operating time, operating level, number of operations, number of reverse, range, device status*
2
Notes:
1 Point status indicates an error of analog data. Refer to
AB-7044 Instruction Manual of A
Standalone Model
for details.
2 Device status indicates the status of this product. Refer to
AB-7044 Instruction Manual of A
Standalone Model
for details.