–98–
7. HYDRO UNIT INSTALLATION MANUAL
Engineering Data Book
7
8. Frost Protection
01. Function 0: Invalid, 1: Valid 3A 1 0, 1 Select
02. Setting temperature 3B 15 8 to 20 °C 1
9. Heater control
01. Down time (Example) Heater
0: 5 min, 1: 10 min, 2: 15 min,
3: 20 min
33
1
(10 min)
0 to 3 Select
02. Up time (Example) Heater
0: 10 min, 1: 20 min, 3: 30 min,
4: 40 min
34
0
(10 min)
0 to 3 Select
10. Night setback
01. Change temperature range 26 5 3 to 20 Degree 1
02. Start time 0E 22 0 to 23 Hour 1
03. End time 0F 06 0 to 23 Hour 1
11. Room
temperature setting
01. Room temperature control
adjustment 0: Valid, 1: Invalid.
02 0 0, 1 Select
02. Compensation for
temperature
35 1 1 to 5 Degree 1
03. Down time zone B (x 5 min) 36
6
(30 min)
1 to 24
(5 to 120
min)
Minute 1 (x5)
04. Up time zone C (x 5 min) 37
6
(30 min)
1 to 24
(5 to 120
min)
Minute 1 (x5)
12. Hydro 2-way
valve operation
control
Activating 2-way valve for cooling
01. (0: Activated during cooling,
1: Not activated during cooling)
3C 0 0, 1 Select
13. 2-zone mixing
valve drive time
Previous drive time x 10 seconds 0C
6
(60 sec)
3 to 24
(30 to
240 sec)
1 (x10)
14. Boiler operates
synchronized with
heat pump
01. (0: Synchronized, 1: Not
synchronized)
3E 0 0, 1 Select
15. Maximum
operation time of
hot water heat
pump
01. Maximum heat pump
operation time in hot water
operation priority mode
07 30 1 to 120 Minute 1
16. Cooling
operation
01. (0: Cooling and heating, 1:
Heating only)
02 1 0, 1 Select
17. Remote
controller indication
01. 24-hour or 12-hour notation of
timer 0: 24-hour, 1: 12-hour
05 0 0, 1 Select
18. Nighttime low-
noise operation
01. (1: Valid, 0: Invalid) 09 0 0, 1
02. Start time 0A 22 0 to 23 Hour 1
03. End time 0B 06 0 to 23 Hour 1
19. Alarm tone 01. Tone switching 0: OFF, 1: ON 11 1 0, 1 Select
Function code setting
Function code
setting address
Default Range Unit Unit Note
Hydro
unit
Remote
controller
36-EN