Daikin EKHVMYD50ABV1 [13/28] Space cooling
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Daikin EKHVMYD50ABV1 [13/28] Space cooling

Daikin EKHVMRD80ABV1 [13/28] Space cooling
EKHVMRD50+80ABV1 + EKHVMYD50+80ABV1
Daikin Altherma indoor unit
4P404418-1 – 2015.04
Operation manual
12
Operation example: Schedule timer based on ON/OFF instruction
When setback function is enabled, the setback operation will have
priority over the scheduled action in the schedule timer if ON
instruction is active. If OFF instruction is active this will have priority
over the setback function. At any time the OFF instruction will have
the highest priority.
Space cooling
Refer to "Programming space cooling" on page 15.
4 actions can be programmed, these actions are repeated daily.
The space cooling schedule timer can be programmed in 2 different
ways:
■ based on the temperature set point (leaving water temperature
and room temperature)
■ based on the ON/OFF instruction.
The desired method is set through field setting. Refer to "4.15. Field
settings" on page 19 for a detailed description how to set one or more
field settings.
■ [0-04] Status: defines whether ON/OFF instruction can be used
in the schedule timer for space cooling.
The implementation and meaning of setting [0-04] and schedule
settings are the same as for heating operation. See "Operation
example: Schedule timer based on temperature set points" on
page 11 and "Operation example: Schedule timer based on ON/OFF
instruction" on page 12.
For cooling, no setback function is available.
Domestic water heating
Refer to "Programming domestic water heating" on page 16.
Domestic water heating can be done through several standard
operation modes:
■ Automatic storage: by field setting, once during night and/or
once during the afternoon the water is heated till storage set
point.
■ Manual storage: if due to special circumstances, production of
hot water (till storage set point) is needed immediately (1 time),
this function can be used.
■ Reheat: the reheat function can be activated next to or separate
from the automatic storage operation if the user wants to keep
the domestic hot water tank at the minimum reheat temperature.
Next to the standard domestic water heating operation modes, it is
also possible to freely program the domestic water heating operation
through the schedule timer (refer to "Programming domestic water
heating" on page 16). Then the mode is switched on or off at a
scheduled time. 4 actions can be programmed per mode. These
actions are repeated daily (additional schedule of storage on top of
the automatic day and night storage functionality).
1 Schedule timer
2 Setback function
3 When both setback function and schedule timer are enabled
A Setback function
B ON/OFF instruction
t Time
T Temperature set point
Room temperature
Leaving water temperature
t
18
18
°C
60
60
°C60°C
18°C
A
5:00
5:00
23:00
23:00
5:0023:00
2
B
t
9:00
16:00
19
19
°C 19
19
°C
22
22
°C
21
21
°C
62
62
°C 62
62
°C
65
65
°C
64
64
°C
19°C19°C
22°C
21°C
62°C62°C
65°C
64°C
1
OFF ONON
6:300:30
B
t
6:30 9:00
16:00
23:00
19
19
°C 19
19
°C
22
22
°C
21
21
°C
62
62
°C 62
62
°C
65
65
°C
64
64
°C
19°C19°C
22°C
21°C
62°C62°C
65°C
64°C
3
OFF ONON
18
18
°C
60
60
°C60°C
18°C
NOTE
By default space cooling based on temperature set
point (method 1) is enabled, so only temperature shifts
are possible (no ON/OFF instruction).
Advantage of this method is that you can simply switch
off the space cooling operation by pushing the
button without disabling the automatic domestic hot
water storage operation.
NOTE
■ Remark that only the time when domestic water
heating must start and stop can be programmed
in the schedule timer. When domestic water
heating is enabled, the water will be heated till
storage set point. The storage set point is set
through field setting.
■ For energy-saving reasons, keep hours with low
electricity cost tariffs in mind when programming
the schedule timer for domestic water heating.

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