Kaysun KEM-30 DNS3, Owners & Installation Manual

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8.5 Electric wiring
8.5.1 Electric wiring
CAUTIO N
1. The air-conditioner should apply special power supply,
whose voltage should conform to rated voltage.
2. Wiring construction must be conducted by the professional
technicians according to the labeling on the circuit diagram.
3. The power wire and the grounding wire must be
connected the suitable terminals.
4. The power wire and the grounding wire must be fasten up
by suitable tools.
5. The terminals connected the power wire and the
grounding wire must be fully fastened and regularly
checked, in case to become flexible.
6. Only use the electric components specified by our
company, and require installation and technical services
from the manufacturer or authorized dealer. If wiring
connection fails to conform to electric installation norm,
failure of the controller, electronic shock, and so on may
be caused.
7. The connected fixed wires must be equipped with
full switching-off devices with at least 3mm contact
separation.
8. Set leakage protective devices according to the requirements
of national technical standard about electric equipment.
9. After completing all wiring construction, conduct careful
check before connecting the power supply.
10. Please carefully read the labels on the electric cabinet.
11. The user’s attempt to repair the controller is prohibited,
since improper repair may cause electric shock,
damages to the controller, and so on. If the user has any
requirement of repair, please contact the maintenance
center.
12. The power cord type designation is H07RN-F.
8.5.2 KEM-30 DNS3 and KEM-60 DNS3
DIP switch, buttons and digital display positions of units.
DSP1 DSP2
4
S5
Fig. 8-12 Display positions
8.5.3 KEM-90 DNS3
DIP switch, buttons and digital display positions of units.
S5
ENC2
POWER
ENC4
NET_ADDRESS
S12
DSP1 DSP2
Fig. 8-13 Display positions
8.5.4 DIP switch instructions
The definitions for DIP switch of KEM-30 DNS3 and KEM-60 DNS3
are different from those of KEM-90 DNS3. See Table 8-6 for DIP
switch instructions of KEM-30 DNS3 and KEM-60 DNS3, and Table
8-7 for KEM-90 DNS3.
Table 8-6 KEM-30 DNS3 and KEM-60 DNS3
ENC1 0-F
0-F valid for unit address setting
on the DIP switches 0 indicates the
master unit and 1-F the auxiliary units
(parallel connection) (0 by default)
ENC2 0-5
DIP switch for capacity selection
(KEM-30 DNS3 defaults 2)
(KEM-60 DNS3 defaults 5)
S5-1
4
OFF Normal cooling mode
Valid for S5-1 OFF(factory default)
ON Low-temperature cooling mode
Valid for S5-1 ON
S5-3
4
OFF Single water pump control
Valid for S5-3 OFF(factory default)
ON Multiple water pumps control
Valid for S5-3 ON
S5-4
4
OFF Normal control
Valid for S5-4 OFF(factory default)
ON Remote control valid for S5-4 ON