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ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1
2.4 Electrical Installation
The electrical installation of the air conditioner includes:
•
Connecting the power cables
•
Connecting the communication & alarm output cables
IMPORTANT
All the electrical connections should comply with the standards of the national
and local electrical codes. Please disconnect all the power supplies for the air
conditioner before the installation.
WARNING FIRE HAZARD
Improper adjustment, alteration, service, maintenance or installation could cause
serious injury, death and/or property damage.
Installation or repairs made by unqualified persons could result in hazards to
you and others. Installation MUST conform with local codes or, in the absence of
local codes, with codes of all governmental authorities have jurisdiction.
The information contained in this manual is intended for use by a qualified
service agency that is experienced in such work, is familiar with all precautions
and safety procedures required in such work, and is equipped with the proper
tools and test instruments.
Select proper wire diameter and circuit protection device according to the air conditioner
data label and technical parameters.
Perform the electrical connection in accordance with the following steps:
1. Make sure that the air conditioner power is disconnected.
2. Connect the power cable to the input terminal according to the schematic diagram
for power terminal.
3. Connect the power input terminal to the attaching plug of the unit securely and
tighten the terminal screws.
4. Connect the other end of the power cable to the power supply according to the
specifications.
5. Connect the communication & alarm output cable to the input terminal according
to the specifications.
6. Connect the communication & alarm output terminal to the attaching plug of the
unit securely and tighten the terminal screws.
7. Check whether any short circuit or open circuit exists on the power supply cable.
8. Check whether any short circuit or open circuit exists on the communication &
alarm output cable.
2.5 EC06HDNC1U Wiring Diagram & Electrical Connections
Connector Description
L
AC power input: L
N
AC power input: N
PE
AC power input: PE
Figure 3. EC06HDNC1U Input Connector Table 2. 3-Pin AC Power Connector
