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After the electric heating wiring is connected,
please check before power on:
Check all wiring and ensure reliable connection
of wire body.
Check the electric heating fixing screw, and
if the screw is fixed reliably.
The size selection of power wire meets the
power supply requirements.
Number
Speci cations
of circuit
breakers
3kW
1
5kW
1
8kW
1
10kW
1
2
15kw
2
20kW
3
25kW
Unit Without Auxiliary Heat
UNIT
VOLTS-PHASE
DIMENSION
18
208/230-1
24
208/230-1
30
208/230-1
36
208/230-1
48
208/230-1
60
208/230-1
* Use only copper cable to connect the unit. When using 75°C copper cable other than
uncoated (unplated) (solid cable for 10 AWG and smaller, twisted cable for sizes larger than
10 AWG), refer to the relevant tables in the National Electrical Code (ANSI/NFPA 70).
Number of
Number of
Number
power cord
power cord
of relays
grounding
groups
screws
1
2
2
1
2
2
2
2
2
2
2
2
3
3
3
4
3
3
5
4
4
FLA
2,0
3,0
3,5
4,0
6,0
7,0
NOTE
Electric auxiliary heating wiring diagram
packed with the accessories.
Please paste the wiring diagram in the inside
cover after the installation of electric
auxiliary heating modules is completed, for
convenience of later maintenance.
After installing the electric auxiliary heat
module, stick the air switch label near the
upper cover air switch.
NOTE
If the connection circuit cable length
exceeds 100 feet, refer to NEC 210-19a to
determine the maximum cable length. Use
a voltage drop of 2%.
CKT MIN AMPS
2,5
4,0
4,5
5,0
7,5
9,0
Page 28
CONNECTION CIRCUIT
FUSE/CKT
MIN.SIZE
FIL AWG*
BKR AMPS
16#
15,0
16#
15,0
16#
15,0
16#
15,0
16#
15,0
16#
15,0
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