11
6 4 Wiring provision.
lField wiring
lThe units are internally wired at the factory according to generally accepted electrical
technology.
lRequired field wiring
lMain power wiring to the unit control wiring between the control center and the unit, and earth
wiring are required in the field.
lRequired components
lThe following components are required: main power fuses, conduit coupling, and field supplied
room thermostat.
lWire and fuse size selection for main power source
lWire and fuse sizes should be selected in accordance with national and standard, taking the
designed maximum current shall be the total of the compressor maximum current, condenser
fan motor current and evaporator fan motor current(refer to “electrical data”).
WARNING
lAn all-pole disconnection switch having a contact separation of at least 3mm in all poles should
be connected in fixed wiring.
lThe appliance shall be installed in accordance with national wiring regulations.
lAn all-pole disconnection device which has at least 3mm separation distance in all pole and a
residual current device(RCD)with the rating of above 10mA shall be incorporated in the fixed
wiring according to the national rule.
lThe appliance shall be installed in accordance with national wiring regulations.
6 5 Main power supply.
Tab 6.-3
Unit main power Main power switch Fuse
Wires for power supplies
Type of wires
3Tons C/O H/P 220V 1N～60Hz 50A 40A 3×16mm²+2×10mm²
3×UL1015 5AWG
2×UL1015 7AWG
4Tons C/O H/P 220V 1N～60Hz 50A 40A 3×16mm²+2×10mm²
3×UL1015 5AWG
2×UL1015 7AWG
5Tons C/O H/P 220V 1N～60Hz 63A 50A 3×16mm²+2×10mm²
3×UL1015 5AWG
2×UL1015 7AWG
Model type
6 6 Block cable connection.
lPower supply
Fig 6 2.-
lSuggestion Thermostat choose eletrical thermostat series of honeywell such as:,
RTH111 RTH2300 RTH221 TH5220D、/、 .
220V 1N 60Hz～
/ / Tons C/O Units345
/ / Tons H/P Units345
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