EKHBH/X008BB
Indoor unit for air to water heat pump system
4PW62570-1A – 01.2011
Installation manual
58
11. T
ROUBLESHOOTING
11.2. General symptoms
Symptom 10: Unexpected backup heater operation
A
PPENDIX
(for restricted power supply condition mode only)
First
code
Second
code
Setting name
Installer setting at variance with default value
Default
value
Range
Step
Unit
Date
Value
Date
Value
d
Restricted power supply condition mode/local shift value weather dependent
00
Not applicable. Do not change the default value.
0
0/1/2/3
1
—
01
Not applicable. Do not change the default value.
0 (OFF)
0/1/2
1
—
02
Restricted power supply condition mode
0 (OFF)
0/1
—
—
03
Local shift value weather dependent
0 (OFF)
0/1/2/3/4
1
—
04
Not applicable.
—
—
—
—
05
Pump operation forced off or permitted during
backup heater is forced off at benefit kWh rate
power supply ([d-00]=0 or 1)
0 (forced
off)
0/1
1
—
06
Not applicable.
—
—
—
—
E
Unit information readout
00
Software version
Read only
—
—
—
01
EEPROM version
Read only
—
—
—
02
Unit model identification. Do not change the default
value.
depending
on model
—
—
—
03
Liquid refrigerant temperature
Read only
—
1
°C
04
Inlet water temperature
Read only
—
1
°C
F
Option setup
00
Pump operation stop
0
(enabled)
0/1
1
—
01
Space cooling permission temperature
20
10~35
1
°C
02
Bottom plate heater ON temperature
3
3~10
1
°C
03
Bottom plate heater hysteresis
5
2~5
1
°C
04
Functionality of X14A
(a)
.
1
0/1
—
—
Underfloor heating screed dry-out program
05
Action number selection
1
1~20
1
—
06
Heating set point of selected action number [F-05]
25.0
(b)
15~55
1
°C
07
Time of selected action number [F-05]
0
0~72
12
hour
08
Underfloor heating screed dry-out program enabled/
disabled
0 (OFF)
0/1
1
—
09
Latest action number executed
0
0~21
(Read only)
0
—
(a) Only possible to modify the first 3 minutes after power ON.
(b) For all action numbers of [F-05].
P
OSSIBLE
CAUSES
C
ORRECTIVE
ACTION
Entering water temperature is too
low and leaving water temperature
>25°C.
Increase the water flow.
Too frequent use of the backup
heater during heating operation or
domestic water heating.
The water volume in the cicuit is too
low.
Содержание EKHBH008BB Series
Страница 62: ......
Страница 63: ......
Страница 64: ...4PW62570 1A 01 2011 Copyright 2010 Daikin...