SystemAir Rotovex 2400 EL, Operating And Maintenance Instruction Manual

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7
GB
External connections
* These inputs may only be wired to voltage free contacts.
All external connections are done in the connection boxes found on each end plate of
the unit. There is a sign on the inside illustrating the various functions and how they
are to be connected.
Terminal block Description Remark
13 G Valve actuator, supply voltage, Heating/cooling 24V AC
14 G0 Valve actuator, supply voltage, Heating/cooling Neutral
43 AO1 Control signal water heating 0-10V DC
57 AO3 Control signal water cooling 0-10V DC
PE Water pump, supply voltage. HW Heating Ground
45 N Water pump, supply voltage. HW Heating Neutral
46 L1 Water pump, supply voltage. HW Heating 230V AC
39 DO6 Water pump, control voltage (contactor). Cooling 24V AC, 0,5A
G DO ref Water pump, control voltage (contactor). Cooling
33 DO2 Damper, exhaust air 24V AC, 0,5A
34 G0 Damper, exhaust air Neutral
35 G Damper, exhaust air 24V AC
36 DO1 Damper, fresh air 24V AC, 0,5A
37 G0 Damper, fresh air Neutral
38 G Damper, fresh air 24V AC
56 AI3 Extract air temperature sensor PT 1000
Agnd AI ref Extract air temperature sensor
27 UAI1 Fresh air temperature sensor PT 1000
Agnd UI ref Fresh air temperature sensor
31 AI4 Supply air temperature sensor PT 1000
32 AI ref Supply air temperature sensor
55 DO4 DX cooling, step1 24V AC, 0,5A
54 DO5 DX cooling, step2 24V AC, 0,5A
53 DO ref DX cooling, step1 and 2
*64 DI3 Run-indication/alarm circulation pump Cooling
or
*Ref DI DI ref Run-indication/alarm circulation pump Cooling
*47 DI5 Fire alarm
or
*Ref DI DI ref Fire alarm
*48 DI6 External stop
*Ref DI DI ref External stop
*49 DI7 Extended operation, Normal
*50 DI ref Extended operation, Normal
*59 DI8 External alarm
*Ref DI DI ref External alarm
40 DO7 Sum alarm, A- and B-alarm
G DO ref Sum alarm, A- and B-alarm
51 Net + LON
52 Net - LON
60 G Pressure transmitter, supply voltage 24V AC
61 AI1 Pressure transmitter, control signal. Supply air 0-10V DC
62 AI ref Pressure transmitter
63 AI2 Pressure transmitter, control signal. Extract air 0-10V DC
28 UAI2 Free to use
Agnd UI ref Free to use
58 UAI3 Free to use
Agnd UI ref Free to use
*Ref DI DI ref Is used together with UDI
By spring-loaded
damper, connect
33/35
By spring-loaded
damper, connect
36/38