Toshiba HWS-455XWHM3-E Installationshandbuch Seite 29

Hydro Unit
Compressor operation output
• Display relay is ON with outdoor unit compressor
operation.
• Volt free contact
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. 7-33")
▼ Fig. 7-33
Connection Cable
TCB-PCIN3E
Display
Relay K1
EMG
CN209 PJ20
OPERATION
Display
Relay K2
Hydro unit
main control
board
*1:Available to change the output signal by function
code 67.
Default (FC67 = 0)
1 - 2 = Defrost output
3 - 4 = Compressor
operation output
CAUTION
• Be sure to prepare a non-voltage contact for each
terminal.
• Display Relay capacity of "EMG" and "OPERATION".
Below AC230 V 0.5 A (COS
When connecting loads such as relay coil to "L1, L2"
load, insert noise surge absorber.
Below DC24 V 1 A (Non-inductive load)
When connecting load such as relay coil to "L1, L2"
load, insert the bypass circuit.
Power
Supply
Compressor
4
operation
3
L2 output
Power
Supply
Defrost
2
output
1
L1
Locally procured
Setting value (FC67 = 1)
1 - 2 = Alarm output
3 - 4 = During operation
Ø = 100%)
Optional inputs to hydro unit
Room Thermostat Input:
2–3: Room thermostat input for cooling mode
1–3: Room thermostat input for heating mode
• Output enabled when either heating or cooling mode
selected on room thermostat. (locally supplied)
• Volt free contacts
• Connection details:
Cooling Connection: Terminals 3 (COM) and 2
(COOL) on MCC-1214TB (Refer to "Fig. 7-34")
Heating Connection: Terminals 3 (COM) and 1
(HEAT) on MCC-1214TB (Refer to "Fig. 7-34")
• Setting of DIP switch on the Hydro Unit board:
DIP SW02_4 = ON
*1
▼ Fig. 7-34
TCB-PCMO3E
PJ17
CN211
COOL
Connection
Cable
Thermostat operation
Cooling
on
2 - 3 open
1 - 3 –
CAUTION
• Be sure to prepare a non-voltage continuous contact
for each terminal.
• Supplementary Insulation must be added to user
touchable part of switches.
– 28 –
Installation Manual
Locally procured
Thermostat
COM
3
Cool
2
HEAT
1
Heating
off on
close –
– close
Hot
off
–
open
EN
28-EN