6
3.3 Additional board 2
3.3.1 Rotary switch set to position 1
- Two circuit use
TERMINAL BLOCK J1
Flash Memory connector
TERMINAL BLOCK J2
(on/off inputs)
1-2 Motor fault, stage 1, circuit 2
2-3 Motor fault, stage 2, circuit 2
4-5 Manual reset fault, HP, circuit 2
5-6 Expansion valve fault, circuit 2
7-8 Load shedding input, stage 1, circuit 2
8-9 Load shedding input, stage 2, circuit 2
TERMINAL BLOCK J3
(on/off inputs)
1 Common for stages 1 and 2, circuit 2
2 Stage 1, circuit 2 control
3 Stage 2, circuit 2 control
4 Common for fan stages
5 Stage 1, circuit 2 fan control
6 Stage 2, circuit 2 fan control
7 Stage 3, circuit 1 fan control if coil type
(P11) = split
or stage 1, common fan if coil type
(P11) = mixed
8 Stage 3, circuit 2 fan control if coil type (P11) = split
or stage 3, common fan if coil type
(P11) = mixed
TERMINAL BLOCK J4
(analogue inputs)
1-2 10 K water outlet temperature sensor, heat exchanger 2
2-3 10 K manifold water outlet temperature sensor
4-5 10 k refrigerant temperature sensor, circuit 2
5-6 50 K Discharge temperature 3 or 2 if
2 circuits and 1 stage per circuit (P3 =1) (stage 1, circuit 2)
7-8 50 K sensor, discharge temperature 4 (stage 2, circuit 2)
8-9 Circuit 2 suction temperature
J4-10, J5-1 Circuit 2 liquid temperature
TERMINAL BLOCK J5
(analogue inputs)
1 Common
2 Available
3 +5 V power supply for pressure sensors
4 0-5 V input for HP sensor on circuit 2
5 0-5 V input for LP sensor on circuit 2
6 0 V power supply, HP-LP pressure sensors
7 +24 V power supply for water pressure sensors
8 0-10 V input for water inlet circuit on exchanger 2
9 0-10 V input for water outlet circuit on exchanger 2
10 0 V power supply for water pressure sensors
TERMINAL BLOCK J6
(analogue outputs)
1 0-10 V output for circuit 2 fan
2 Common for outputs
3 0-10 V output for common fan, circuits 1 and 2
TERMINAL BLOCK J7
Link with motherboard or another additional board
TERMINAL BLOCK J8
Link with another additional board
3.3.2 Rotary switch set to position 2
- Two circuit reversal use
TERMINAL BLOCK J1
Flash Memory connector
TERMINAL BLOCK J2
(on/off inputs)
1-2 Heating/cooling selection input if unit type (P2) = reversible
air-to-water and number of circuits (P3) = 2
2-3 Available
4-5 Available
5-6 Available
7-8 Available
8-9 Available
TERMINAL BLOCK J3
(on/off inputs)
1 Common for reversing valves
2 Circuit 1 reversing valve control
3 Circuit 2 reversing valve control
4 Common for balance valves
5 Circuit 1 balance valve control
6 Circuit 2 balance valve control
7 Reverse rotation control for circuit 1 fans
8 Reverse rotation control for circuit 2 fans
TERMINAL BLOCK J4
(analogue inputs)
1-2 Temperature sensor, coil A, circuit 1
2-3 Temperature sensor, coil B, circuit 1
4-5 Temperature sensor, coil C, circuit 1
5-6 Temperature sensor, coil D, circuit 1
7-8 Temperature sensor, coil A, circuit 2
8-9 Temperature sensor, coil B, circuit 2
8-10 Temperature sensor, coil C, circuit 2
TERMINAL BLOCK J5
(analogue inputs)
1-2 Temperature sensor, coil D, circuit 2
3 +5 V power supply - Available
4 0-5 V input - Available
5 0-5 V input - Available
6 0 V power supply - Available
7 +24 V power supply - Available
8 0-10 V input - Available
9 0-10 V input - Available
10 0 V power supply - Available
TERMINAL BLOCK J6
(analogue outputs)
1 0-10 V output - Available
2 Common for 0-10 V output - Available
3 0-10 V output - Available
TERMINAL BLOCK J7
Link with motherboard or another additional board
TERMINAL BLOCK J8
Link with another additional board
Summary of Contents for Magister 2 Series
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