English to Russian Tech/Engineering Electronics / Elect Eng Кондиционер

Руководство по кондиционеру

Back-up heating function


1. How to connect the relay
Connect the connector to CN104 on the indoor electric P.C. board.
Connect the electrical wires with the tag of “OUT” to the relay.
Separately insulate the wires with the tag of “IN”.

(Coil rating of DC 12V, 75mA or less.) Use relay with reinforced insulation

Operation details


(1) Starting conditions
When both a) and b) are satisfied, the relay turns ON.
a) The HEAT mode is selected. (The unit operates in the HEAT mode when the AUTO operation is selected.)
b) In the figure below, the conditions for ON are satisfied. (NOTE1)

(2)Releasing conditions
When either a) or b) is satisfied, the relay turns OFF.
a) The modes other than HEAT are selected. (The unit operates in the mode other than HEAT when the AUTO operation is selected.)
b) In the figure below, the conditions for OFF are satisfied. (NOTE1)
NOTE1: Relay (heater) turns ON or OFF by the difference between room temperature and set temperature.