Manual Kaysun KFC-S2-2T-500D (page 17 of 22) (English)

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AC FAN

1 2 3 4 5

Thermostat

BLUE

BLACK

LPOWER IN

GRAY

WHITE

FAN

L LOWMEDHI NV

valve

LOW

MED

TERMINAL BLOCK

The grounding wire in the electrical control box needs to be longer than the current-carrying wire

Figure 5-22 Wiring diagram(AC FAN)

Refer to Tables 5-2&5-3 for the specications of the power cord and communication wire. A wiring capacity that is too small will

cause the electrical wiring to become too hot, and lead to accidents when the unit burns and becomes damaged.

Select the wire diameters( minimum value) individually for each unit based on the table 5-3.

Maximum allowable voltage range variation between phases is 2%.

Select circuit breaker that having a contact separation in all poles not less than 3 mm providing full disconnection，where MFA

is used to select the current circuit breakers and residual current operation breakers:

Table 5-2

Please refer to the corresponding wired controller manual for the wired

controller wiring.

Table 5-3

Model ALL

Power supply Phase 1-phase

Volt and frequency 220-240V~50/60Hz

Communication wire between indoor unit

and wired controller * Shielded ×AWG16-AWG18

CIRCUIT BREAKER/FUSE(A) 15/15

Rated current of appliance（A） Nominal cross-sectional area (mm2)

Flexible cords Cable for xed wiring

≤3 0.5 and 0.75 1 and 2.5

>3 and ≤6 0.75 and 1 1 and 2.5

>6 and ≤10 1 and 1.5 1 and 2.5

>10 and ≤16 1.5 and 2.5 1.5 and 4

>16 and ≤25 2.5 and 4 2.5 and 6

>25and ≤32 4 and 6 4 and 10

>32and ≤50 6 and 10 6 and 16

>50and ≤63 10 and 16 10 and 25

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Kaysun KFC-S2-2T-500D Manual

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