Mitsubishi Electric CAHV-R450YA-HPB Service Manual page 90

[ VII Control ]
Priority order of the water-temperature-setting-input-signal sources
Water temperature can be controlled by using the signals from the four types of input sources listed below. The
setting for the item with higher priority will override the settings for the items with lower priorities. The water
temperature will be controlled according to the temperature setting in the "Target water temperature" column that
corresponds to a specific combination of the settings for the four items.
P i r r o y t i 1 P i r r o y t i 2
Schedule
SWS1
Analog input
setting
(SW 5-7)
from control
board
SWS1:
LOCAL
SWS1:
REMOTE
ON
Dry contact:
SWS1:
REMOTE
Dry contact:
Stop
ON
SWS1:
LOCAL
Operation
command:
OFF
SWS1:
REMOTE
Operation
command:
SWS1:
LOCAL
SWS1:
ON
REMOTE
Dry contact:
SWS1:
REMOTE
Dry contact:
Stop
SWS1:
OFF
LOCAL
Operation
command:
OFF
SWS1:
REMOTE
Operation
command:
*1 If SW5-8 is set to OFF, water temperature will be controlled by the built-in thermistor TH11 on the unit.
*2 Priority is given in order of Anti-freeze, Hot water, and Heating ECO.
HWE22020
P i r r o y t i 3
Schedule
type (RC)
Anti-
RC
freeze
- -
In time -
O N
After-hours
Run
O F F
O N
-
O F F
O N
-
OFF
ON
O N
-
OFF
OFF
- -
In time -
O N
Run
After-hours
O F F
O N
O F F
O N
-
OFF
ON
O N
-
OFF
OFF
P i r r o y t i 4 P i r
Remote controller
Input from centralized
Dry contact (*2)
controller AE-200 or
BMS
Heating
Hot water
ECO
- -
- -
- -
- -
- -
- -
- -
- - Anti-freeze
- - Heating
- -
- - Anti-freeze
- - Heating
- -
- -
- -
- -
- -
- -
- -
ON -
ON
Heating
OFF
Hot water
OFF
Heating ECO
Anti-freeze
- -
ON -
ON
Heating
OFF
Hot water
OFF
Heating ECO
Anti-freeze
- 81 -
r o y t i 5
Target water temperature
Temperature setting for
-
the analog signal input
Temperature setting for
-
the analog signal input
- 2 ° 5 C
- S o t p
- 2 ° 5 C
- S o t p
- 2 ° 5 C
25°C
Temperature setting for
the analog signal input
- 2 ° 5 C
Stop
Stop
Selectable from temperature
settings A through C
-
by scheduled operation
of the control board
Selectable from temperature
settings A through C
-
by scheduled operation
of the control board
- 2 ° 5 C
- S o t p
- 2 ° 5 C
- Stop
- 2 ° 5 C
Temperature setting B
-
(Hot water mode)
Temperature setting C
-
(Heating ECO mode)
Temperature setting A
(Heating mode)
Temperature setting B
(Hot water mode)
Temperature setting C
(Heating ECO mode)
25°C
- 2 ° 5 C
- Stop
Stop
-
Stop
Stop
Stop
Stop
Sensor that
becomes active
(when SW5-8
is set to ON) (*1)
TH14
TH14
-
-
-
-
-
-
TH14
-
-
-
Selectable from
TH14 or TH15
Selectable from
TH14 or TH15
-
-
-
-
-
Selectable from
TH14 or TH15
Selectable from
TH14 or TH15
Selectable from
TH14 or TH15
Selectable from
TH14 or TH15
Selectable from
TH14 or TH15
-
-
-
-
-
-
-
-
GB