Dimplex VFE 20 Installation And Operating Instructions Manual page 41

Electrical connection
Circuit diagram
A1+, A2- DC signal charge control
A1~, A2~ AC signal charge control
Ex RT External room thermostat (optional)
K1 Heater contactor
L1, L2, L3 Phase low-tariff
LE Fan control
LER Controller charge, discharge
LH Supplementary heating control
L-R Continuous phase controller
L-SH Phase direct control
M1 Fan
N Neutral conductor
N-R Neutral conductor controller
NOTE
The device must be earthed.
NOTE
A continuous voltage of 230 V ~ must be applied to
the N-R and L-R terminals.
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N-SH Neutral conductor direct control
NTC Room temperature sensor
PE Protective conductor
PTC Residual heat sensor (core)
REL 1 - 5 Relay 1 - 5 (controller)
R1-R3 Heating elements
R7 Series resistor
R9 Supplementary heating (optional)
STR Safety thermo controller
TB Safety temperature limiter
TR9 Supplementary heating thermo controller
TRG Ventilation grid thermo controller
UI Operating panel, display
NOTE
A disconnecting device with a contact opening of at
least 3 mm at each pole (e.g. circuit breaker) must be
provided in the installed wiring.
2202/D
English
EN-13