Resol BASIC controller Manual For The Specialised Craftsman page 31

13
OHQM 13 OK OHQM
Heat quantity measurement option
PUSH
Adjustment range: OFF / ON
Factory setting: OFF
OFF
13
a b
13 Heat quantity measurement
The heat quantity measurement can be carried out in 3 different ways: without V40
flowmeter, with V40 flowmeter or with Grundfos Direct Sensor
ON
FTYPE
Heat quantity measurement type
Selection: 1, 2, 3
Factory setting: 1
FTYPE = 1
FMAX
Flow rate in l/min
Adjustment range: 0.5 ... 100.0
in steps of 0.1
Example of flow and return sensor positions for heat quantity measurement with a fixed flow
Factory setting: 6.0
rate value (flowmeter) or a V40 flowmeter.
MEDT
Heat transfer fluid
Adjustment range: 0 ... 3
Flow rate detection type:
Factory setting: 3
1 : Fixed flow rate value
2 : V40 flowmeter
MED%
3 : Grundfos Direct Sensor
Antifreeze concentration in vol.
% (MED% will not be displayed
Heat quantity measurement with fixed flow rate value
when MEDT 0 or 3 is used)
Adjustment range: 20 ... 70 % The heat quantity balancing (estimation) uses the difference between the flow and
in steps of 1 %
return temperatures and the entered flow rate (at 100 % pump speed).
Factory setting: 45 %
Antifreeze type:
0 : Water
1 : Propylene glycol
2 : Ethylene glycol
3 : Tyfocor
c
Flow sensor
Return
sensor
V40 /
Flowmeter
Enable the heat quantity measurement option in the channel OHQM.
Select the type of flow rate detection in the channel FTYPE.
TM
Adjust 1 in the channel FTYPE
Read the flow rate (l/min) and adjust it in the FMAX channel.
Adjust the antifreeze type and concentration of the heat transfer fluid in the
channels MEDT and MED%.
® LS / G-LS
TM
.
31