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Defensor Mk5 Technical Documentation

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Legend to wiring diagram<br />

A1 Controller (active) or humidity sensor<br />

A2 Controller (passive), set jumper JP2 to 5V<br />

A3 On/Off control, set jumper JP2 to 24V<br />

B1 Ventilation interlock<br />

B2 Airflow monitor<br />

B3 Safety humidistat<br />

F1 Internal fuse supply module (6.3 A, slow acting)<br />

F2 Internal fuse supply module (1 A, quick acting)<br />

F3 External fuse heating voltage supply (see table in the following chapter)<br />

F4 External fuse control voltage (max. 10 A, slow acting)<br />

F5 Internal fuse control module (200 mA, quick acting)<br />

H1 Remote operating and fault indication (option “RFS”)<br />

J Short circuited, if no external monitoring devices are connected<br />

J3 Connection terminal for remote operating and fault indication<br />

J6 Connection terminal for control line to unit B<br />

J7 Connection terminal for control line from unit A<br />

JP2 Jumper (control signal) on control board unit A<br />

K1 Mains contactor (heating voltage) unit A/unit B<br />

K3 External safety circuit (safety humidistat, airflow monitor, etc.)<br />

M Fan unit (accessory “FAN..”)<br />

Q3 External main switch heating voltage supply<br />

Q4 External main switch control voltage supply<br />

T1 Auto-transformer control voltage supply (option “TRAF”)<br />

S1 Rotary switch "drain interval”<br />

S2 Rotary switch “maintenance interval”<br />

S3 Rotary switch “control signal”<br />

S4 DIP-switch “unit settings”<br />

X1 Connection terminal for control voltage to supply module<br />

X6 Connection terminal for voltage supply from unit A to unit B<br />

35

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