Samsung AM0 SERIES Installation Manual page 22

Wiring Work
Power supply connections
If the air handler has been installed prior to installing the electric heaters or if an older unit is being replaced, the supply
power wires must be checked to make sure the wires are the proper sizes to handle the current load for the heaters.
Refer to table below for correct wire size. If the supply power wire size is incorrect, new wires will need to be installed.
Follow the instructions "Power Supply Wiring" on page 18 of these instructions for proper installation.
Electric Heater Data
Indoor Unit
Amps Amps
Model
208V 208V
Circuit Kw
Qty. (2)
Circuit Circuit
1
1 0 0
AM012JNZDCH
/AA
1 3 10.90
AM018JNZDCH 0 0 0
/AA
1 3 10.90
AM024JNZDCH
1 5 18.03
/AA
AM030JNZDCH/
1 0 - - -
AA
1 5 18.03
AM036JNZDCH/
AA 1 10 36.06
1 0 - - -
AM048JNZDCH/
1 5 18.0
AA
1 10 36.1
1 0 - - -
AM054JNZDCH/
1 5 18.0
AA
AM060JNZDCH
1 10 36.1
/AA
2 15 18.0
1 0 - - -
1 5 18.0
AM072JNZDCH
1 10 36.1
/AA
2 15 18.0
2 20 36.1
(1) Rated Motor Amps (at DOE External Static Rating Point)
(2) Nominal Kw At 240V (Derate 25% For 208V)
(3) Fuse or HACR Breaker
(4) Maximum Overcurrent Device, Overcurrent Protection Installed On Breaker Models Are Sized Per MCA
• To prevent damage, carefully insert the electric heating assembly through the rectangular opening in the front of the discharge opening so the
heat element support rod is seated into the hole on the back side of the discharge opening.
• After installing the electric heater, a one inch clearance must be maintained on all sides of the supply air duct and/or plenum for a minimum of
thirty six inches from the air handler discharge opening.
AM0**JNZDCH/AA IM ENG_V1.5_07082015
ELECTRICAL DATA
Minimum Circuit Ampacity
(MCA)
Amps Amps
208V 208V 240V
240V 240V
Circuit Circuit Circuit Circuit Circuit
2 1 2 1 2 1
SMALL CABINET-NOMINAL1.0, 1.5 & 2.0 TONS (0 To 5 Kw)
- 0 - 0.90 - 0.90
- 12.50 - 13.63 - 15.63
- 0 - 0.90 - 0.90
- 12.50 - 13.63 - 15.63
- 20.83 - 23.26 - 26.76
MEDIUM CABINET-NOMINAL 2.5, 3.0 TONS (0 To 10 Kw)
- 2.08 - 2.08
- 20.83 - 24.20 - 27.70
- 41.67 - 46.73 - 53.74
LARGE CABINET-NOMINAL 4.0, 4.5, 5.0, 6.0 TONS (0 To 20 Kw)
- 2 - 2.6
- 20.8 - 24.6 - 26.0
- 41.7 - 45.1 - 52.1
- 2 - 2.6
- 20.8 - 24.6 - 26.0
- 41.7 - 45.1 - 52.1
36.1 20.8 41.7 24.6 47.2 28.1
- 7 - 7.2
- 20.8 - 28.3 - 26.0
- 41.7 - 45.1 - 52.1
36.1 20.8 41.7 28.2 50.8 31.7
36.1 41.7 41.7 50.8 50.8 57.8
Maximum Overcurrent
Protection (MOCP)
208V 208V 240V 240V
240V
(3,4) (3,4) (3,4) (3,4)
75°C /
Circuit Circuit Circuit Circuit Circuit
90°C
2 1 2 1 2
- 10.0 - 10.0 - #14
- 15.0 - 20.0 - #12
- 10.0 - 10.0 - #14
- 15.0 - 20.0 - #12
- 30.0 - 30.0 - #10
- 10.0 - 10.0 - #14
- 30.0 - 30.0 - #10
- 50.0 - 60.0 -
- 15.06 - 15.0 - #14
- 30.0 - 30.0 - #10
- 50.0 - 60.0 -
- 15.06 - 15.0 - #14
- 30.0 - 30.0 - #10
- 50.0 - 60.0 -
54.2 30.0 50.0 30.0 60.0
15.02
- - 15.0 - #14
- 30.0 - 30.0 - #10
- 50.0 - 60.0 -
57.8 30.0 60.0 35.0 60.0
57.8 60.0 60.0 60.0 60.0
21
Short-Circuit Current
Minimum Wire Size (AWG)
Rating
Circuit 1 Circuit 2 "SCCR"
75°C / kA rms
60°C 60°C V maximum
90°C symmetrical
#14 - - n/a
#12 - - n/a
#14 - - n/a
#12 - - n/a
#10 - - n/a
#14 - - n/a
#10 - - n/a
#6 #4 - - n/a
#14 - - n/a
#10 - - n/a
#6 #4 - - n/a
#14 - - n/a
#10 - - n/a
#6 #4 - - n/a
#6 #4 #10 #10 5
#14 - - n/a
#10 - - n/a
#6 #4 - - n/a
#6 #4 #10 #10 5
#6 #4 #6 #4 5
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
240
n/a
n/a
n/a
240
240