14
MS-SVN084A-EN
Electrical Parameters
Model
Power Supply
Minimum Circuit Ampacity
(A)
Maximum Overcurrent
Protection (A)
4MXA2024A10NUA
4MXA2036A10NUA
208/230V-1Ph-60Hz
4
15
4MXA2048A10NUA
4MXA2060A10NUA
8
Notes:
1. Fuse is located on the main board.
2. Circuit breaker and power wiring specifications listed in the above table are determined based on the maximum power input of the
units.
3. Specifications of circuit breaker are based on a working condition where the working temperature is 104° F (40° C). If working
condition changes, please adjust the specifications according to national standards.
4. It is recommended to use AWG 18 wiring for the thermostat. The wiring length is not to exceed 98 feet (30 m).
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WWAARRNNIINNGG
EElleeccttrriiccaall aanndd FFiirree HHaazzaarrdd!!
Failure to follow this Warning could result
in property damage, serious personal
injury, or death.
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uunniitt aanndd tthheerrmmoossttaatt aarree ppoowweerreedd oonn..
•• MMaattcchh tthhee tteerrmmiinnaall nnuummbbeerrss aanndd wwiirree ccoolloorrss
wwiitthh tthhee ccoolloorrss iinnddiiccaatteedd iinn tthhee iinnddoooorr uunniitt..
WWrroonngg wwiirree ccoonnnneeccttiioonn mmaayy bbuurrnn tthhee
eelleeccttrriiccaall ccoommppoonneennttss..
•• CCoonnnneecctt tthhee wwiirreess ffiirrmmllyy ttoo tthhee wwiirriinngg bbooxx..
IInnccoommpplleettee iinnssttaallllaattiioonn mmaayy lleeaadd ttoo ffiirree
hhaazzaarrdd..
•• GGrroouunndd wwiirree sshhoouulldd bbee ccoonnnneecctteedd..
IInnssttaallllaattiioonn
1. For solid wires (as shown below):
a. Use wire cutters to cut off the wire end and then
peel away about 1 in (25 mm) of the insulation
layer.
b. Use
a screwdriver to unscrew the terminal screw
on the terminal board.
c. Use nippers to bend the solid wire into a ring
that fits the terminal screw.
d. Form a proper ring and then put it on the
terminal
board. Use a screwdriver to tighten up
the terminal screw.
2. For strand
wires (as shown below):
a. Use wire cutters to cut off the wire end and then
peel away about 3/8 in (10
mm) of the insulation
layer.
b. Use a screwdriver to unscrew the terminal
screw on the terminal board.
c. Use a round terminal fastener or clamp to fix
the round terminal firmly on the peeled wire
end.
d. Locate the round terminal conduit. Use a
screwdriver to replace it and tighten up the
terminal screw (as shown below).