Toshiba HWS-803XWHM3-E Data Book page 59

4.HYDRO UNIT
▼External input board
Feature
* "TCB-PCMO3E" is used for the following external master controls.
1. Room thermostat input
2. Emergency shutdown input
Refer to "Function/Electric wiring diagram" for feature of each control because connection is different according to
the control.
Function / Electric wiring diagram
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 procured)
• Volt free details :
• Connection details :
Cooling connection :Terminals 3 (COM) and 2 (COOL) on TCB-BCMO3E (See Schematic below)
Heating connection :Terminals 3 (COM) and 1 (HEAT) on TCB-BCMO3E (See Schematic below)
Connection
Cable
CN211
Thermostat operation
2 - 3
1 - 3
Emergency shutdown input
S2 : Emergency stop input
• Non-voltage contacts
• Connection details :
Emergency stop :Terminals 3 (COM) and 1 (HEAT) on TCB-PCMO3E (See Schematic below)
Connection
Cable
CN210
• Be sure to prepare non voltage continuous point of contact for each terminal.
• Supplementary Insulation must be added to user touched to user touchabel part of switches.
TCB-PCMO3E
COM
3
PJ17
COOL
2
HEAT
1
Cooling
on off
open close
– –
TCB-PCMO3E
COM
COOL
PJ17
HEAT
CAUTION
Thermostat (locally procured)
Cool
Heating
on off
– –
close open
Locally procured
3
2
1
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Engineering Data book
Hot
S2
4