Dwyer PSX2 - Manual (Page 112)

103
10.3.3 “CALORIE MODE”: when measuring consumed heat quantity
This function calculates the heat quantity received and sent with liquid (water) in cooling and
heating.
(1) Select “CALORIE MODE” on the SYSTEM screen.
Press the
ENT
key to display the CALORIE MODE
screen.
(2) Make each setting on the CALORIE MODE screen.
(For details, refer to the setting contents in the fol-
lowing page.)
Heat
source
Load
Detector
(type : PSX2)
Converter
Converter
Q: Flow rate of the
heating medium
T2: Temperature of the heating
medium of the receiving side
T1: Fluid temperature (inlet)
PUX2
Consumed heat quantity
q = K · Q · (T1–T2)
K : heat quantity
conversion factor
(For heating K = 4.123,
For cooling = 4.186)
Temperature
sensor
Temperature
sensor
AI/AO
Bulletin F-9-PUX2