Mitsubishi Electric PAC-IF013B-E Installation Manual page 4

3 System
(1-2) Auto step mode *3
15
Exhaust Air
(E.A.)
Outdoor Air
(O.A.)
3
(1-3) Auto step mode
*5
15
Exhaust Air
(E.A.)
Outdoor Air
(O.A.)
3
4
& Supply air temp. control
13
14
12
8
7
2 1
<Fig. 3.1.2>
& Return/ Room air temp. control
13
14
12
8
7
2 1
<Fig. 3.1.3>
*3. Auto step mode:
• In this mode, the capacity step of the outdoor unit is controlled
automatically to let the target temperature reach the set tem-
perature.
• Set temperature can be set by remote controller, DIP switch,
Return Air
or Modbus signal.
(R.A.)
• Operation mode can be set by remote controller, external in-
put, DIP switch, or Modbus signal.
10
6
Note
4
• Auto change over function between cooling and heating mode
is NOT available in this system.
Supply Air
(S.A.)
No.
1
5
2
3
4
9
5
6
7
8
9
10
11
12
13
14
15
*4. If outdoor unit is PUHZ-SHW model, it's not needed to install
*5. Auto step mode:
• In this mode, the capacity step of the outdoor unit is controlled
automatically to let the target temperature reach the set tem-
perature.
• Set temperature can be set by remote controller, DIP switch, or
Return Air
Modbus signal.
4
(R.A.)
• Operation mode can be set by remote controller, external input,
DIP switch, or Modbus signal.
10
Note
• Auto change over function between cooling and heating mode is
6
available ONLY when this system is selected and the input se-
lection of capacity setting (DIP SW1 and SW6) is "No input (Auto
step mode)".
Supply Air
(S.A.)
No.
1
5
2
3
4
9
5
6
7
8
9
10
11
12
13
14
15
*6. If outdoor unit is PUHZ-SHW model, it's not needed to install
Part name
Interface unit
Remote controller
Outdoor unit
Target air temp. thermistor (TH1)
Ref. liquid temp. thermistor (TH2)
2-Phase temp. thermistor (TH5)
HEX inlet (Coil on) temp. thermistor (TH11)
Air-Handling Unit (AHU) (Local supply)
AHU local controller (Local supply)
Direct expansion (DX) coil (Local supply)
Target air temp. thermistor (Local supply)
Louver (Local supply)
Air filter (Local supply)
Heat recovery (Local supply)
Fan (Local supply)
this thermistor.
Part name
Interface unit
Remote controller
Outdoor unit
Target air temp. thermistor (TH1)
Ref. liquid temp. thermistor (TH2)
2-Phase temp. thermistor (TH5)
HEX inlet (Coil on) temp. thermistor (TH11)
Air-Handling Unit (AHU) (Local supply)
AHU local controller (Local supply)
Direct expansion (DX) coil (Local supply)
Target air temp. thermistor (Local supply)
Louver (Local supply)
Air filter (Local supply)
Heat recovery (Local supply)
Fan (Local supply)
this thermistor.
System (1-2)
*4
─
System (1-3)
*6
─