United Technologies Carrier 42AM, Руководство по управлению

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EN - 18
5.2.2 Managing the 0-10 V output for valve control
5.2.2.1 Mixed, heating and cooling coil.
Used to set the control box's operating mode. This parameter only appears for mixed coils.
- WINTER. Heating and fan override.
- SUMMER. Cooling and fan override.
- AUTO. CHANGEOVER thermostat fitted to the coil's main water supply pipe.
It will automatically enable HEATING/COOLING mode, depending on the temperature of the fluid
The CHANGEOVER thermostat is fitted as standard on mixed coils.
- the CHANGEOVER contact is closed: COOLING mode
- the CHANGEOVER contact is open: HEATING mode
The symbols below will be displayed on the main page to show the current mode.
Cooling override Heating override Heating mode via changeover Cooling mode via changeover
5.2.2.2 Heating Coil, HEATING mode
"Stop" position: the valve is closed
"COMFORT" position: the 0-10 V signal will depend on the difference between the regulated temperature value (room) and the
setpoint. Regulation will only start after a 30-second time delay on the fan operation feedback contact. An integral action must be
entered into the parameters.
0 %
100 %
P 130
Valve ctrl
Heating operation
Hot
Proportional Band
P152 or P153
Setpoint
Room T°