– 110 –
7. HYDRO UNIT INSTALLATION MANUAL
Engineering Data Book
7
Electrical Connection (Hot Water Cylinder
temperature Sensor)
• Connect the hot water cylinder temperature sensor
as shown below to terminals A & B on Terminal
Block 06 in the Hydro Unit.
• Please ensure that the interconnecting cable,
between the Hydro Unit and the hot water cylinder, is
connected to earth at both ends of the cable using
the shield wire.
▼
Fig. 7-31
Additional hydro unit outputs
Alarm and Boiler Outputs
Alarm Output: L1: Alarm output
• Output enabled when the system is in alarm/fault
condition.
• Volt free contact - specification shown below:
AC230 V; 0.5 A (maximum)
DC24 V; 1 A (maximum)
• Connection details: Terminals 1 and 2
(OPERATION) on MCC-1217 TB (Refer to “Fig. 7-
32”)
Boiler Control Output: L2: Boiler drive permission
output
• Output enabled when outdoor ambient temperature
<-10°C
• Volt free contact - specification shown below:
AC230 V; 0.5 A (maximum)
DC24 V; 1 A (maximum)
• Connection details: Terminals 3 and 4 (EMG) on
MCC-1217 TB (Refer to “Fig. 7-32”)
▼
Fig. 7-32
Defrost and Compressor operation Outputs
Defrost output
• Display relay is ON when the system defrost.
• Volt free contact
AC230 V; 0.5 A (maximum)
DC24 V; 1 A (maximum)
• Connection details: Terminals 1 and 2
(OPERATION) on MCC-1217 TB (Refer to “Fig. 7-
33”)
Hydro unit
PJ20
CN208
TCB-PCIN3E
4
3
L2
2
1
L1
Local Supply
Power
Supply
Power
Supply
Display
Relay K1
Display
Relay K2
Connection Cable
OPERATION
EMG
Alarm
output
Boiler
control
output
Hydro unit
main control
board
Содержание ESTIA HWS-1501CSHM3-E
Страница 3: ...2 1 INTRODUCTION ...
Страница 7: ...6 2 SYSTEM OVERVIEW ...
Страница 11: ...10 3 SYSTEM SPECIFICATION ...
Страница 60: ...59 5 OUTDOOR UNIT ...
Страница 79: ...78 6 HOT WATER CYLINDER ...
Страница 85: ...84 7 HYDRO UNIT INSTALLATION MANUAL ...
Страница 132: ... 131 7 HYDRO UNIT INSTALLATION MANUAL Engineering Data Book MEMO ...
Страница 133: ...132 8 OUTDOOR UNIT INSTALLATION MANUAL ...
Страница 162: ... 161 8 OUTDOOR UNIT INSTALLATION MANUAL Engineering Data book MEMO ...
Страница 163: ...162 9 OWNER S MANUAL ...
Страница 179: ...Air to Water Heat Pump Engineering Data Book Oct 2010 ...