Additional Parameters For Setting The Compensated Heating Curve - Lochinvar CP-M Series Installation, Commissioning & Maintenance Instructions

12.10.1 ADDITIONAL PARAMETERS FOR SETTING THE COMPENSATED HEATING CURVE

HEATING CURVE
90
80
70
60
50
40
30
20
10
0
-40 -30
FIGURE 12.14
P5 AG Heat curve minimum flow temperature
The set point will never be lower than the flow temperature set in parameter P5AG. The minimum temperature is
limited, even when the calculated set temperature should be lower because of the heating curve.
P5 AH Summer Outside temperature Central heating
When the outside temperature is higher than set in P5AH any central heating demand will be blocked.
P2 HA Outdoor sensor hysteresis
If the outdoor temperature reaches the temperature set in P5 AH (warm weather shutdown) all heating demands
will be ignored. If the measured outdoor temperature drops P5 AH minus P2 HA heating demands will resume.
P6 BA CH User Setting
The setpoint will never be higher than the flow temperature set in parameter P6BA. The maximum temperature is
limited, even when the calculated set temperature should be higher because of the heating curve.
P6 BB Heat curve night shift
The heating curve is set by the above parameters. In addition to these settings, the end user has the ability to
influence the flow temperature by doing a parallel shift setting. Parameter P6BB sets the margins within which the
user can increase and decrease the calculated flow temperature relative to the calculated flow temperature by the
heating curve that is set.
- additional settings
P6 BA - max flow temp
-20 -10 0 10
OUTSIDE TEMPERATURE
COMPENSATED HEATING CURVE – ADDITIONAL SETTINGS
P6 BB - Heatcurve night shift
P5 AH - Warm weather shutdown
P2 HA - Outdoor sensor hysteresis
P5 AG - min flow temp
20 30 40
°C
°C
°C
°C
°C
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