Options - Toshiba HWS-803XWHM3-E Data Book

4.HYDRO UNIT

4-7. Options

Optional parts
No. Part name
1 External output board
2 External input board
▼External output board
Feature
Operation and Error monitoring is possible by using Error output control board "TCB-PCIN3E"
Function / Electric wiring diagram
Alarm output : Output enabled when the system is in alarm / fault condition.
Boiler control output : Output enabled when outdoor ambient temperature <-10 °C
Hydro unit main control board
Operation output : Display relay is ON with outdoor unit compressor operation.
Defrost output : Display relay is ON when the system in defrost.
Hydro unit main control board
• Be sure to prepare a non-voltage point for each terminal.
• Display Relay capacity of "ALERM" and "BOILER", "OPERATION" and "DEFROST"
Below AC230V 0.5A (COS Ø =100%). when connecting load such as relay coil to "L1,L2" load, insert the noise surge
absorber.
Below DC24V 1A (Non-inductive load). when connecting load such as relay coil to "L1,L2" load, insert the bypass circuit.
Model name
Boiler-linked output, Alarm output
TCB-PCIN3E
Defrost signal output, Compressure operation signal
output
Cooling/heating thermostat input
TCB-PCMO3E
Forced-stop signal input
TCB-PCIN3E
Display
Relay
K1
Connection
Cable
CN208 PJ20
Display
Relay
K2
TCB-PCIN3E
Display
Relay
K1
Connection
Cable
CN209 PJ20
Display
Relay
K2
Application
Local Supply
4
Power Supply
3
L2
2
Power Supply
1
L1
Local Supply
4
Power Supply
3
L2
2
Power Supply
1
L1
CAUTION
57
Engineering Data book
Remarks
Up to two boards (according
to applications)
Up to two boards (according
to applications)
: Alarm output
L1
: Boiler control output
L2
: Defrost output
L1
: Compressure
L2
operation output