CB connection kit Installation instructions Document in original language | 211649 · v005 GB
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Electric duct heater (control via relay) | 1 Electric duct heater (control via relay) The electric heater can be installed in outdoor or supply air ducts. • ELH — electric heater ECT • ECT — extra controller temperature sensor T • OAT — outdoor air duct temperature sensor RL • SAT — supply air temperature sensor • RL — relay • 1 — Outdoor air ELH 230 V~ 1 2 SAT DO 24V ELH ELH 4 RL 230 V~ 3 AI AI AI • 2 — Supply air ECT M5 SAT DO 24V • 3 — Extract air • 4 — Exhaust air 1.
2 | Electric duct heater (control via relay) 1.2 Heater installed in the supply air duct Installation and connection 1. Install an electric heater (ELH) at least 100 mm distance from the unit in the supply air duct. A relay (RL) is used to control the heater. Connect relay to any free digital output on the connection board (CB). 2. Connect the power supply to the electric heater via a relay. A circuit breaker (BRK) is not included in the package and must be ordered separately.
211649 | v005
Phone +370 340 60165 Fax +370 340 60166 www.systemair.com CB connection kit · Installation instructions · 211649 · en_GB · 2021-06-18 · v005 Systemair UAB Linų st.
