RVF IMO

RTRE
Manual 5-step transformer with motor protection.
N Rt Rt Tk TkN
~ ~
N
A
B C D E F
RTRE 1,5 RTRE 3 RTRE 5
Rt Rt Tk TkNN
~ ~
N
A B C D E F
RTRE 7 RTRE 12
A. Relay connection. There is always 230 V between ~ and N when the transformer knob is in one of the positions 1–5.
B. Mains supply
C. Earth
D. Fan
E. Thermostat
F. Motor protection. If the motor protection is not in use, Tk must be looped together.
FRQ5S-E-6A
Frequency converter with built-in all-pole sine filter and 5-step switch.
14