Gruppo Ferroli FZ4B, Use And Installation Instructions

Page: 112 / 292

CONTROLLO ZONE FZ4B
112
cod. FZ4B - 06/2011 (Rev. 00)
EN
The range for management of ID56 of the Remote Controls (DHW temperature adjustment button) is between 10°C and 65°C: zone card fi xed ranges.
Modi fi cation of the DHW Setpoint occurs in parallel: through the Hot water tank Setpoint parameter (TSP26) or through ID56 of the Remote Controls; the zone card
takes the last modi fi ed value and must update the others.
f. DHW Eco/Comfort (1 Remote Control)
In Economy mode the DHW request generated by T2 is disabled.
In Comfort mode the DHW request generated by T2 is enabled.
g. DHW Eco/Comfort (plus 1 Remote Control)
The DHW request generated by T2 is enabled only if all the Remote Controls are in Comfort mode.
6.23 “THREE DIRECT ZONES AND ONE HOT WATER TANK – WITH EXTERNAL SENSOR”
Autocon fi guration:
Connection Description
7
Pump phase or Valve (RY1) Direct zone 1
8
Pump neutral or Valve (RY1) Direct zone 1
10
Pump neutral or Valve (RY2) Direct zone 2
12
Pump phase or Valve (RY4) Direct zone 2
13
Pump phase or Valve (RY5) Direct zone 3
14
Pump neutral or Valve (RY5) Direct zone 3
14
Pump neutral (RY7) Hot water tank
16
Pump phase (RY7) Hot water tank
19
On/Off Thermostat or Remote Control (RT1) Direct zone 1
20
On/Off Thermostat or Remote Control (RT1) Direct zone 1
11
On/Off Thermostat or Remote Control (RT2) Direct zone 2
22
On/Off Thermostat or Remote Control (RT2) Direct zone 2
23
On/Off Thermostat or Remote Control (RT3) Direct zone 3
24
On/Off Thermostat or Remote Control (RT3) Direct zone 3
27
NTC sensor (T2) Hot water tank probe
28
NTC sensor (T2) Hot water tank probe
29
NTC sensor (T3) Heating delivery
30
NTC sensor (T3) Heating delivery
30
NTC sensor (T4) External probe
31
NTC sensor (T4) External probe
X15
Card SK connected
The algorithm remains the same as the con fi guration: 6.22 “THREE Direct Zones and ONE hot water tank – No External Sensor”.
What changes is only the calculation of Zone1 Heating Setpoint, Zone2 Heating Setpoint and Zone3 Heating Setpoint if the sliding temperature was activated in one or
more zones.
6.24 “ONE MIXED ZONE AND ONE HOT WATER TANK – NO EXTERNAL SENSOR”
Autocon fi guration:
Connection Description
7
Pump phase (RY1) Mixed zone 1
8
Pump neutral (RY1) Mixed zone 1
9
Mixing Valve Opening phase (RY2) Mixed zone 1
10
Mixing Valve neutral (RY2) Mixed zone 1
11
Mixing Valve Closing phase (RY3) Mixed zone 1
14
Pump neutral (RY7) Hot water tank
16
Pump phase (RY7) Hot water tank
19
On/Off Thermostat or Remote Control (RT1) Mixed zone 1
20
On/Off Thermostat or Remote Control (RT1) Mixed zone 1
25
NTC sensor (T1) Mixed zone 1 delivery
26
NTC sensor (T1) Mixed zone 1 delivery
27
NTC sensor (T2) Hot water tank probe
28
NTC sensor (T2) Hot water tank probe
29
NTC sensor (T3) Heating delivery
30
NTC sensor (T3) Heating delivery
X15
Card SK connected
6.24.1 On/Off Thermostat
The algorithm of the Mixed Zone remains the same as the con fi guration: 6.7 “ONE Mixed Zone – No External Sensor”.
The algorithm of the Hot water tank remains the same as the con fi guration: 6.17 “ONE Hot water tank".
What changes is:
a. DHW has priority over Heating: the Hot water tank Priority parameter (TSP25) is equal to 0.
During DHW mode, the algorithm of the Hot water tank has the highest priority.
During DHW mode, the zone request (if occurring) must be stopped without doing post-circulation and the mixing valve must be controlled in closing for the entire
duration of the Mixing valve closing Time timer (TSP31). If DHW mode ends before the end of the Mixing valve closing Time timer (TSP31), the timer must be reset,
because at the end of DHW mode the zone request (if occurring) must restart with the normal algorithm.
b. DHW does not have priority over Heating: the Hot water tank Priority parameter (TSP25) is equal to 1.