Mitsubishi Electric PAC-IF051B-E Installation Manual page 67

. Multiple outdoor units control
Hydrobox
CNP1(WHT)
１
２
1 3
３
４
５
TBO.1
６
７
８ 1
CNV1
９
(WHT)
１０ 5
１１
１２
１３
１４
FT C 4
１
２
３
４
５
６
TBO.2
７
LED3
８
９
１０
１１
１２
１３
１４
1
CNPWM
1
CNBH
CNIH
(WHT)
(WHT)
LED2
(ORN) 3
7
3 1
CN22
1
CNBC CNBHT
(BLU)
2
(GLY) (BLK)
3 1 3 1
CN21
CN2F CNW12 CNW5
CN20
(YLW)
(YLW) (RED) (WHT)
(RED)
1
1 1 1
1
2
3 2 3
4
２ ４ ６ ８ １０ １２ １４ ２ ４ ６ ８ １０ １２ １４
１ ３ ５ ７ ９ １１ １３ １ ３ ５ ７ ９ １１ １３
TBI.1 TBI.2
<Fig. ..5>
Signal inputs
Name Terminal block Connector
RC TBI.2 13-14 CN22
IN2 TBI.1 3-4 CN2F
Wiring specification and field supply parts
Model and specifications
Item Name
Signal input Signal input Use sheathed vinyl coated cord or cable.
function wire Max. 10 m
Wire type: CV, CVS or equivalent
Wire size: Stranded wire 0.5 mm² to 1.25 mm²
Switch Non-voltage "a" contact signals
Remote switch: minimum applicable load 12V DC, 1mA
Thermistor inputs
Name Terminal block Connector
TH2 — CN21
THW1 — CNW12 1-2 Thermistor (Flow water temp.)
THW2 — CNW12 3-4 Thermistor (Return water temp.)
Note:
Do not splice the wiring to extend or shorten it, or this could affect correct monitoring of each temperature.
If the wiring is too long, bundle it with a strap to adjust the length.
Outputs
Name Terminal block Connector Item
OUT1 TBO.1 3-4 CNP1
OUT4 TBO.1 9-11 CNV1
OUT13 TBO.2 7-8 —
N L N L
1 2 3 4 5 6 7 8 9 10 11
TBO.1
OUT1 OUT4
Wiring specification and field supply parts
Model and specifications
Item Name
External Outputs Use sheathed vinyl coated cord or cable.
output wire Max. 30 m
function Wire type: CV, CVS or equivalent
Wire size: Stranded wire 0.5 mm² to 1.25 mm²
Solid wire: ø0.65 mm to ø1.2 mm
Note: Do not connect multiple water circulation pumps directly to each output (OUT1). In such a case, connect them via (a) relay(s).
CN01
5
(BLK)
1
CN3C
1
(BLU)
3
1
CN105
(RED)
5
1
CNRF
(WHT)
5
LED4
CN108
SW4
LED1
1 6
SW2 SW1
8 8
1 1
SW3
8
1
Item
Communication cable between indoor units
Flow switch input
Solid wire: ø0.65 mm to ø1.2 mm
Item
Thermistor (Ref. liquid temp.)
Water circulation pump 1 output
3-way valve (2-way valve 1) output
2-way valve 2 output
12 13 14
1 2 3 4 5
TBO.2
<Fig. ..2>
OFF (Open) OFF (Short)
— —
Refer to SW2-2 in <9.6 Dip Switch Functions>.
Optional part model
—
—
—
OFF ON
OFF ON
Heating DHW
DHW Heating
N L
6 7 8 9 10 11 12 13 14
OUT13
Signal/Max current
230V AC 1.0 A Max
230V AC 0.1 A Max
230V AC 0.1 A Max