Terminal Connection Overview - Panasonic PAW-280PAH3M Basic Installation Instructions

5. Terminal connection overview

Termin
X1
al No.
⚫
L
X1.1
⚫
N
X1.2
⚫
3
X1.3
⚫
PE
X1.4
X2
⚫
F1
X2.1
⚫
F2
X2.2
X3
⚫
FS1
X3.1
⚫
FS2
X3.2
⚫
FD1
X3.3
⚫
FD2
X3.4
⚫
EX1
X3.5
⚫
EX2
X3.6
X4
⚫
TA1
X4.1
⚫
TA2
X4.2
⚫
E1.1
X4.3
⚫
E1.2
X4.4
⚫
E2.1
X4.5
⚫
E2.2
X4.6
⚫
OP1
X4.7
⚫
OP2
X4.8
⚫
OP3
X4.9
⚫
OP4
X4.10
⚫
OP5
X4.11
⚫
OP6
X4.12
⚫
OT1
X4.13
⚫
OT2
X4.14
⚫
OT3
X4.15
⚫
OT4
X4.16
⚫
OT5
X4.17
Allocation Function
Live Live Terminal
Neutral Neutral Terminal
Comm Communication terminal
Protective earth Protective Earth Conductor
Potential for F2
Fan Operation Signal
Fan contact
Potential for FS2
Float switch
(ex factory bridged)
Float switch
Potential for FD2
Control of an additional external fan
or additional external air handling
unit
Fan Signal
Potential for EXCT
EXCT-Contact
(external thermostat off switch)
EXCT-Contact
No polarity
Suction Temperature Sensor TA
(included)
(Room Temperature Sensor)
No polarity
No polarity
Sensor E1 / TH2
No polarity
No polarity
Sensor E2 / TH3
No polarity
12 V DC 12 V DC
Potential of Defrost Defrost signal output
Potential for Thermostat Thermostat signal output
Potential for Cool start Cool operation signal output
Potential for Heat start Heat operation signal output
Fan (free cooling) operation signal
Potential for Fan start
output
Potential for OT2 - OT6 COM
Heat input Heat mode input
Cool input Cool mode input
Demand Input 1 LV1 demand control input
Demand Input 2 LV2 demand control / QUIET input
8
Description
External Potential: 230 V AC, max. 1
A
Internal potential 0 - 75 V DC
External Potential: max. 250 VAC 8 A
Internal Potential: 12 V DC
Internal potential: 12 V DC
Internal Potential: 5 V DC
12 V DC relay required for each
signal output, field supplied
5 V DC 0.5mA Current input
Demand control, QUIET and EXCT
inputs must be set using indoor unit
detailed settings, parameter code
0002EE, please see relevant technical