6Installation
6-1. Parts Purchased Separately
Prepare the following parts to install this device.
Required Part | Specification | |
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Unit fixing screws | M4 screw × 4 (* M4: ISO metric screw thread) | |
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| Commercially available power source: 24 VDC±10% 0.2 A (Minimum loading), SELV circuit, power line with | |
| grounding terminal | |
| Ripple noise: Lower than 200 | |
Power supply for this | Compatible specification | |
device | Authorized or CE marked products. | |
| Subject to regulations: - IEC60950 (or EN60950) | |
| - CISPR22/24 (or EN55022/24) | |
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Power supply for | A separate power supply for sensors may be required. | |
In the case of 24 VDC voltage, the capacity of the power supply for this unit can be increased so that the | ||
sensors | ||
power supply can be shared. | ||
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Power line | Use a sheathed vinyl cord or cable. | |
At least 0.75 mm² (AWG18) | ||
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| Type of the cable: Sheathed vinyl cords or cable which comply with the following specifications or | |
| equivalent. | |
• CPEV Φ1.2 mm to Φ1.6 mm • CVVS 1.25 mm² to 2 mm² (AWG 16 to 14) | ||
* CPEV: PE insulated PVC jacketed shielded communication cable | ||
line | * CVVS: PVC insulated PVC jacketed shielded control cable | |
| PE: Polyethylene PVC: Polyvinyl chloride | |
| Power needs to be supplied to the | |
| purchased power supply unit for the transmission line. | |
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| Shows the size of the electric wire (copper wire) that is adapted to the terminal block of this device. Refer | |
| to the usage and cautionary items of the sensor when performing settings. However, use a line with shielded | |
Signal lines | line. | |
(Sensor input lines) | Electric wire size ···· (1) Solid wire: Φ0.65 mm (AWG21) - Φ1.2 mm (AWG16) | |
| (2) Stranded wire: 0.75 mm² (AWG18) - 1.25 mm² (AWG16) | |
| Single strand: At least Φ0.18 mm |
[Parts to be Purchased Separately]
Name | Model | Application |
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Power supply unit |
| Power supply to the | This is not required when power is to be | |
supplied from an outdoor unit. | ||||
[Commercially available parts] |
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Part |
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External 24 VDC | Supplies power to the AI controller. | Refer to "Power supply for this device" and "Power | ||
power source |
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| supply for sensors" in "Required Part" above for the | |
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| capacity of the power supply. | |
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Sensor | Measures temperature and humidity. | Temperature sensor | ||
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| connected. | |
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4
