– 30 –
Hydro Unit
Installation Manual
8
Frost Protection
Function 0 = Invalid; 1 = Valid
3A
–
0~1
1
Frost Protection Setting
Temperature (°C)
3B
–
10~20 °C
15
End days
–
12
0~20
0
End times
–
13
0~23
0
9
Back Up Heater
Control
Downtime Back Up Heater
0 = 5min; 1 = 10min;2 = 15min;
3 = 20min
33
–
0~3
1
Uptime Back Up Heater
0 = 10min; 1 = 20min;
2 = 30min; 3 = 40min
34
–
0~3
0
10 Night Setback
Change Setback Temperature
26
–
3~20 °C
5
Zone selection 0 = Zone 1 & 2;
1 = Zone 1 Only
58
–
0~1
0
Start Time (Hour)
–
0E
0~23
22
End Time (Hour)
–
0F
0~23
06
12
Hydro 2 Way
Valve Operation
Control
Cooling 2 Way Valve -
Operation Logic 0 = Activated
during cooling; 1 = Not
activated during cooling
3C
–
0~1
0
13
Hydro 3 Way
Diverting Valve
Operation Control
3 Way Diverting Valve
Operation Logic 0 = Activated
during hot water operation;
1 = not activated during hot
water operation
54
–
0~1
1
14 2 Zone Mixing
Valve Drive Time
Specified Drive Time for
Mixing Valve (x10sec)
0C
–
3~24
6
Mixing valve OFF (control time
- mins)
59
–
1~30
4
15 Boiler/Heat Pump
Synchronisation
External Boiler/Heat Pump
Synchronisation
0 = Synchronised; 1 = Not
synchronised
3E
–
0~1
0
16
Maximum
Operation Time Of
Hot Water Heat
Pump
Maximum Heat Pump
Operation Time In Hot Water
Operation Priority Mode
(minutes)
07
–
1~120
30
17 Cooling Operation
0 = Cooling & Heating
Operation; 1 = Heating Only
Operation
02
–
0~1
0
18 Remote controller
Indication
24h or 12h Time Indication
0 = 24h; 1 = 12h
–
05
0~1
0
19
CDU Night Time
Low Noise
Operation
Low Noise Operation
0 = Invalid; 1 = Valid
–
09
0~1
0
Start Time (Hour)
–
0A
0~23
22
End Time (Hour)
–
0B
0~23
06
20 Alarm Tone
Tone Switching
0 = OFF; 1 = ON
–
11
0~1
1
21
Second Remote
controller and
room temperature
thermostat
Choice of the initial setting
temperature
0 = The fixed temperature by
FC9D
1 = The calculated
temperature by Auto curve
B5
–
0~1
0
Fixed initial temperature
setting
9D
–
20~55 °C
40
Location & DN
Number
DN Description
Hydro
RC
Range
HWT-60
(HWT-110)
Default
HWT-60
(HWT-110)
After
Commissioning
Change
1
Change
2
22
Operation by
external input
(option)
Input signal setting when using
I/P 7, 8 (CN21) as Emergency
shutdown input (DN B6 = 0)
0 = Contacts low > high
system stop. System restart
with remote controller
1 = Contacts high > low
system stop. System restart
with remote controller
52
–
0~1
0
Input signal setting when using
I/P 5, 6 (CN21)
0 = Contacts high > low
system stop. Contacts low >
high system restart
1 = Contacts low > high
system stop. Contacts low >
high (second time) system
restart
61
–
0~1
0
Changing the control of
I/P 7, 8 (CN21)
Please refer to “Table2” on
B6
–
0~4
0
23 Hydro Unit
type Setting
70: Wall mounted type
71: All in one type
10
–
70 or 71
71
24
Second Remote
controller
Target
temperature
Setting
0 = Water temperature
1 = Room thermo temperature
40
–
0~1
0
25
Room
Temperature
Sensor Setting
Temperature shift for heating
–
02
-10~10
-1
Temperature shift for cooling
–
03
-10~10
-1
26
Synchronisation
control at low
outside
temperature
0 = HP + Boiler
1 = Boiler
2 = Backup heater
3 = Boiler (Pump P1:stop)
5B
–
0~3
3
27
P1 pump speed
control (duty of the
PWM)
0 = P1 pump fixed speed
1 = P1 pump variable speed
6A6
–
0~1
1
0 = 100%, 1 = 90%, 2 = 80%
3 = 70%, 4 = 60%, 5 = 50%
A0
–
100%
~50%
0
28
P2 pump speed
control (duty of the
PWM)
0 = 100%, 1 = 80%
2 = 70%, 3 = 60%
6A1
–
0~3
0
29
Restriction of
backup heater
energization
during heating
mode
Forcibly heater off
at TO
≥
A °C
0 = no restriction, 1 = 20 °C,
2 = 15 °C, …, 6 = -5 °C
B8
–
0~6
0
30
Interval operation
of the pump
3 min ON/10 min
OFF
Intermittent operation
at TO
≥
A °C (heating mode)
0 = continuous operation
1 = 20 °C, …, 6 = -5 °C
BA
–
0~6
0
intermittent operation
at TO
<
B °C (cooling mode)
0 = continuous operation
1 = 35 °C, …, 3 = 25 °C
BB
–
0~3
0
Location & DN
Number
DN Description
Hydro
RC
Range
HWT-60
(HWT-110)
Default
HWT-60
(HWT-110)
After
Commissioning
Change
1
Change
2
59-EN
60-EN
Summary of Contents for HWT-1101F21MM3W-E
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