Optional Connector Specifications Of Hot Water Module P.c. Board - Toshiba MMW-UP0271LQ-E Service Manual

8-2. Optional connector specifications of hot water module P.C. board

Function Connector No. Pin No.
HA
CN061
Option output
(*1)
CN060
External
trouble input
CN080
CHK
Operation
CN071
check
DISP
Display mode CN072
(*1) For hot water module, terminal block of option output (CN060) is equipped in the hot water module.
Refer to 3. WIRING DIAGRAM.
Specification
Start / stop input
1
2 0 V (COM)
Remote controller
3
disabling input
4 In-operation output
5 DC12 V (COM)
6 Alarm output
1 DC12V(COM)
2 Defrosting output
3 Heater output
4 —
Heating thermostat
5
output
6 Pump output
1 DC12 V (COM)
2 DC12 V (COM)
3 External trouble input
1 Check mode input
0 V
2
1 Display mode input
2 Display mode input
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Remarks
Start / stop input for HA (J01: In place / Removed =
Pulse input (factory default) / Step input)
Enables / disables start / stop control via remote
controller
ON during operation (HA answerback signal)
ON while alarm ON
ON while outdoor unit ON
ON while heating thermostat ON (compresor ON)
Generates test code L30 and automatically shuts down
air conditioner (only if condition persists
for 1 minute)
Used for hot water module operation check (prescribed
operational status output, such as indoor PMV ON,
to be generated without communication with outdoor
unit or remote controller)
Product display mode - Communication just between
hot water module and remote controller enabled (upon
turning on of power) Timer short-circuited out (always)
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