3-3. System Setup
1. Optional PCB connectivity
If function below is necessary, please purchase and install Optional PCB.
Please select Yes after installing Optional PCB.
•
2-zone control
•
Pool
•
Buffer tank
•
Solar
•
External error signal output
•
Demand control
•
SG ready
•
Stop heat source unit by external SW
2. Zone & Sensor
Initial setting: Room and Water temp.
If no Optional PCB connectivity
Select sensor of room temperature control from the following 3 items
1 Water temperature (circulation water temperature)
2 Room thermostat (Internal or External)
3 Room thermistor
When there is Optional PCB connectivity
1 Select either 1 zone control or 2 zone control.
If it is 1 zone, select either room or pool, select sensor
If it is 2 zone, after select sensor of zone 1, select either room or pool for zone
2, select sensor
(NOTE) In 2 zone system, pool function can be set at zone 2 only.
3. Heater capacity
If there is built-in Heater, set the selectable heater capacity.
(NOTE) There are models which cannot select heater capacity.
4. Anti freezing
Initial setting: Yes
Operate anti-freezing of water circulation circuit.
If select Yes, when the water temperature is reaching its freezing temperature, the
circulation pump will start up. If the water temperature does not reach the pump
stop temperature, back-up heater will be activated.
(NOTE) If set No, when the water temperature is reaching its freezing temperature or
below 0°C, the water circulation circuit may freeze and cause malfunction.
5. Buffer Tank connection
Select whether it is connected to buffer tank for heating or not.
If buffer tank is used, please set Yes.
Connect buffer tank thermistor and set, T (T use to increase primary side temp
against secondary side target temp).
(NOTE) Does not display if there is no Optional PCB.
If the buffer tank capacity is not so large, please set larger value for
Initial setting: No
Initial setting: Depend on model
Initial setting: No
System setup
Optional PCB connectivity
Zone & Sensor
Heater capacity
Anti freezing
Select
System setup
Optional PCB connectivity
Zone & Sensor
Heater capacity
Anti freezing
Select
System setup
Optional PCB connectivity
Zone & Sensor
Heater capacity
Anti freezing
Select
System setup
Optional PCB connectivity
Zone & Sensor
Heater capacity
Anti freezing
Select
System setup
Heater capacity
Anti freezing
Tank connection
Buffer tank connection
Select
T.
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