Mitsubishi Electric PAC-IF051B-E Installation Manual page 21

4. Electrical work
4.5.3 Outputs
Name Terminal block Connector Item
OUT1 TBO.1 3-4 —
OUT2 TBO.1 5-6 —
OUT3 TBO.1 7-8 —
OUT4 TBO.1 9-11 —
TBO.1 12-13
OUT5 —
TBO.1 13-14
OUT6 TBO.3 1-2 —
OUT7 TBO.3 3-4 —
OUT8 TBO.2 11-12 —
OUT9 TBO.2 9-10 CNIH
OUT11 TBO.2 1-2 —
OUT12 TBO.2 3-4 —
OUT13 TBO.2 7-8 —
BC TBO.3 5-6 —
OUT10 TBO.1 1-2 —
BHT TBO.2 13-14 CNBHT
N L N L N L N
1 2 3 4 5 6 7 8 9 10 11
TBO.1
OUT10 OUT1 OUT2 OUT3 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:
1. When the hydrobox is powered via outdoor unit, the maximum grand total current of (a)+(b) is 3.0 A.
2. Do not connect multiple water circulation pumps directly to each output (OUT1, OUT2, and OUT3). In such a case, connect them via (a) relay(s).
3. Connect an appropriate surge absorber to OUT10 (TBO.1 1-2) depending on the load at site.
Water circulation pump 1 output (Space heating & DHW)
Water circulation pump 2 output (Space heating for Zone1) OFF
Water circulation pump 3 output (Space heating for Zone2) OFF
3-way valve (2-way valve 1) output
Mixing valve output
Booster heater 1 output
Booster heater 2 output
Booster heater 2+ output
Immersion heater output
Error output
Defrost output
2-way valve 2 output
Booster heater protection output
Boiler output
Thermostat for booster heater
L N L
N L
12 13 14
1 2
TBO.2
Close Open
OUT11
OUT5
OFF ON
OFF ON
ON
ON
Heating DHW
Stop Close
Stop Open
OFF ON
OFF ON
OFF ON
OFF ON
Normal Error
Normal Defrost
DHW Heating
OFF ON
(BHT open) (BHT short)
OFF ON
Thermostat Normal: short / High temp.: open
N L N L N L N L N
3 4 5 6 7 8 9 10 11 12 13 14
OUT12 OUT13 OUT9 OUT8 BHT
Signal/Max current Max. total current
230V AC 1.0 A Max 3.0 A (a)
230V AC 1.0 A Max
230V AC 1.0 A Max
230V AC 0.1 A Max
230V AC 0.1 A Max
230V AC 0.5 A Max (Relay)
230V AC 0.5 A Max (Relay)
230V AC 0.5 A Max (Relay)
3.0 A (b)
230V AC 0.5 A Max (Relay)
230V AC 0.5 A Max
230V AC 0.5 A Max
230V AC 0.1 A Max
230V AC 0.5 A Max
non-voltage contact
• 220 - 240V AC (30V DC)
—
0.5A or less
• 10 mA 5V DC or more
L L L
1 2 3 4 5 6
TBO.3
OUT6 OUT7 BC
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