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Installation manual
27
EKHBRD011~Y1
Indoor unit for air to water heat pump system
4PW60970-1B
2
Storage operation
When requesting space heating and domestic water heating
(storage) at the same time, domestic water will be heated
according to running timer, then space heating will start again
according to running timer, then domestic water heating will start
again according to running timer, this will continue till storage set
point is reached.
Remote controller room temperature control
When the reheat temperature is reached, the further heat up till
storage temperature of the domestic hot water tank will be decided
by the remote controller room thermostat in order to prevent the room
temperature to drop too much.
1
Reheat operation
When requesting space heating and domestic water heating
(reheat) at the same time, the domestic water will be heated till
maximum reheat temperature, then space heating will start
again.
A
Operation
Space heating
Domestic water heating
B
Domestic hot water storage thermo-on request
C
Domestic hot water tank temperature
D
Room temperature thermo-on request
E
Remote controller room temperature
F
Domestic hot water lower limit temperature
G
Domestic hot water upper limit temperature
(maximum possible storage temperature) [b-03]
H
Domestic hot water reheat minimum temperature [b-00]
J
Domestic hot water reheat maximum temperature [b-01]
K
External room thermostat set point
L
External room thermostat ON/OFF hysteresis
ON
ON
OFF
OFF
1
Minimum operation time for domestic water heating
(initial 30 minutes [d-01])
2
Interval minimum stop time for domestic water heating
(initial 15 minutes [d-02])
3
Maximum operation time for domestic water heating
(initial 30 minutes [d-01])
A
B
C
H
J
K
75
°
C
35
°
C
–X
°
C
+X
°
C
ON
G
F
OFF
D
E
ON
OFF
1
2
3
K
L
A
Operation
Space heating
Domestic water heating
B
Domestic hot water reheat thermo-on request
C
Domestic hot water tank temperature
D
Room temperature thermo-on request
E
Remote controller room temperature
F
Domestic hot water lower limit temperature
G
Domestic hot water upper limit temperature
(maximum possible storage temperature) [b-03]
H
Domestic hot water reheat minimum temperature [b-00]
J
Domestic hot water reheat maximum temperature [b-01]
K
Remote controller thermostat set point
ON
ON
OFF
OFF
A
B
C
H
J
K
75
°
C
35
°
C
–3.0
°
C
–0.5
°
C
+0.5
°
C
ON
G
F
OFF
D
E
ON
OFF
4PW60970-1B_digital_EN.book Page 27 Thursday, September 2, 2010 1:15 PM
Summary of Contents for EKHBRD011ABV1
Page 44: ...NOTES 4PW60970 1B_digital_EN book Page 1 Thursday September 2 2010 1 15 PM...
Page 45: ...NOTES 4PW60970 1B_digital_EN book Page 2 Thursday September 2 2010 1 15 PM...
Page 46: ...NOTES 4PW60970 1B_digital_EN book Page 3 Thursday September 2 2010 1 15 PM...
Page 47: ...V1 Y1 NOTES 5 5 4PW60970 1B_digital_EN book Page 1 Thursday September 2 2010 1 15 PM...