Heating Circuit 1 & 2 Functions - Fujitsu Waterstage Comfort Series Maintenance Document

Air to water heat pump, refrigerant r410a inverter, outdoor/hydraulic unit
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Split system single phase type
4 3 4 Heating Circuit 1 & 2 Functions
Operating Mode
For heating circuits there are several functions available
which can be individually adjusted for each heating
circuit
Setpoint Values
Line N°
PROGRAMMING LINE
HC1
HC2
710
1010
Comfort setpoint
712
1012
Reduced setpoint
714
1014
Frost protection setpoint
716
1016
Comfort setpoint maximum
Room Temperature:
Room temperature can be set according to different
setpoint values Depending on the selected mode, these
setpoints are activated and provide different temperature
levels in the rooms
The ranges of configurable setpoints are defined by their
interdependencies, as shown in the graph below
Maintenance document "1792 - EN"
The programming lines for the 2nd heating circuit
are displayed only if an extension module has been
connected to the controller Operation of heating circuits
1 and 2 is directly controlled via the operating mode key
Frost protection:
The protection mode automatically prevents an
excessively sharp drop in room temperature In this case
the control adopts the frost protection room
setpoint
Reduced setpoint
Frost prot setpoint
Comfort setpoint
- 63 -

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