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7-2. Optional connector specifications of hot water module P.C. board
Function
Connector No. Pin No.
Specification
Remarks
HA
CN61
1
Start / stop input
Start / stop input for HA (J01: In place / Removed =
Pulse input (factory default) / Step input)
3
Remote controller
disabling input
Enables / disables start / stop control via remote
controller
5
Heating thermostat
output
ON while heating thermostat ON (compresor ON)
Option output
(*1)
CN60
1
DC12V(COM)
CHK
Operation
check
CN71
1
Check mode input
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)
2
0 V
External error
input
1
DC12 V (COM)
Generates test code L30 and automatically shuts down
air conditioner (only if condition persists
for 1 minute)
DISP
Display mode
1
CN72
Display mode input
Product display mode - Communication just between
hot water module and remote controller enabled (upon
turning on of power) Timer short-circuited out (always)
2
Display mode input
CN80
2
DC12 V (COM)
3
External error input
3
Heater output
6
Pump output
4
2
Defrosting output
ON while outdoor unit ON
5
—
—
—
—
—
—
DC12 V (COM)
4
In-operation output
ON during operation (HA answerback signal)
6
Alarm output
ON while alarm ON
2
—
0 V (COM)
(*1) For hot water module, terminal block of option output (CN 60) is equipped in the hot water module.
Refer to
3. WIRING DIAGRAM
.
