To Connect External Inputs For Zone Control Via Thermostats (B19/B20/B21/B22/B23/B24) - Samsung EHS AE050RXYDEG/EU Manual

7. Electrical installation

To connect external inputs for zone control via thermostats (B19/B20/B21/B22/B23/B24)

• Make sure to wire the thermostats for the zone control to the correct terminals (zone1/ zone2, cooling / heating).
• Make sure the external thermostat is rated for 220-240V~ input.
• The input signal is a switched Live (L). Zone2 has a priority over Zone1. The mode of operation (cooling or heating) will
be determined by Zone2 (when two signals are simultaneously applied).
N L C1 H1
THERMOSTAT 1
Description
Room Thermostat
CAUTION
When both cooling and heating input signals are applied for a single zone, the product will not operate.
Installer reference guide / Mono tank integrated type
B1 B3 B5 B7 B9 B11 B13
B2 B4 B6 B8 B10 B12 B14
N L C2 H2
Neutral (N)
THERMOSTAT 2
No. of wires Max. current
4 22mA
B15 B17 B19 B21 B23 B25
B16 B18 B20 B22 B24 B26
THERMOSTAT01_COOLING (Z1)
Live (L) THERMOSTAT01_HEATING (Z1)
THERMOSTAT02_COOLING (Z2)
THERMOSTAT02_HEATING (Z2)
Thickness
>0.75mm2, H05RN-F or
HO7RH-F
Remark
Field supply
(220-240V~, Input)
117