EAS ELECTRIC EMCH Serie Manual De Instrucciones página 74

8.2.2 Mode set control
Outdoor
1
Code
Main unit
1
User interf ace
2
Buffer tank ( Field supply )
4
Automatic air purge valve
4.1
Drainage valve
4. 2
P_o: Outside circulation pump (Fiel d supply)
5
Expansion vessel (Field supply)
10
Filter (Accessory)
12
14 Shut-off valve (Field supply)
Space heating
Operation mode and ON/OFF of the unit are set via the room thermostat, water temperature is set on
the user interface.
1) When "CL" of the thermostat keep closing for 15s, the system will run according to the priority mode set on
the user interface.
2) When "CL" of the thermostat keep opening for 15s and "HL" close , the system will run according to the non-
priority mode set on the user interface.
3) When "HL" of the thermostat keep opening for 15s and "CL" open , the system will turn off.
4) When "CL" of the thermostat keep opening for 15s and "HL" open , the system will turn off.
The circulation pump and valve operation
1)When the system is in cooling mode, SV2 keeps OFF, P_o starts running.
2)When the system is in heating mode, SV2 keeps ON, P_o starts running.
2
RT
14
17
15
16
12 14 16
A ssembly unit
Indoor
10
4.1
5
4
4.2
A ssembly unit
Code
15 Filling valve (Field supply)
Drainage valve (Fie ld supply)
16
Collector/distri butor
19
Bypass valve (Field supply)
20
22 SV2: 3-way valve (Field supply）
Low voltage room thermostat
RT
Floor heating loop (Field supply)
FHL 1...n
FCU 1...n Fan coil unit (Field supply)
13
19
20
FCU1 FCU2 FCUn
19
FHL1 FHL2 FHLn
V.1