Scheduler And Silent Mode Functionalities - Daikin EWAT_B Operating Manual

Scheduler
Circuit #X Disable
Enable
Test

4.1.2 Scheduler and Silent mode functionalities

The Scheduler function can be used when is required an automatic chiller start/stop programming.
To use this function, follow below instructions:
1. Q0 selector = Local (refer to 4.1)
2. Unit Enable = Scheduler (refer to 4.1.1)
3. Controller date and time properly set (refer to 4.7)
Scheduler programming is available going in Main Page  View/Set Unit  Scheduler menu
For each weekday can be programmed up to six time bands with a specific operating mode. First operating mode starts at
Time 1, ends at Time 2 when will start the second operating mode and so on until the latest.
Depending on unit type, different operating modes are available:
Parameter Range
Value 1 Off
On 1
On 2
On 1 - Silent
On 2 - Silent
When the Fan Silent Mode function is enabled the chiller noise level is reduced decreasing the maximum speed allowed
for fans. Following table reports how much maximum speed is decreased for the different unit types.
Unit noise class
Standard
Low
Reduced
EWAT_B
Unit start/stop can be time programmed for each weekday
Circuit #X disabled
Circuit #X enabled
Circuit #X in test mode. This feature has to be used only from trained person or Daikin service
Description
Unit disabled
Unit enabled – Water setpoint 1 selected
Unit enabled – Water setpoint 2 selected
Unit enabled – Water setpoint 1 selected – Fan silent mode enabled
Unit enabled – Water setpoint 2 selected – Fan silent mode enabled
Normal maximum fan speed
[rpm]
900
900
700
Silent mode maximum fan speed
[rpm]
700
700
500
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