Installation, Tests, and Troubleshooting
Owner’s/Installation Manual for SMM
11
2.
Run line supply wires per applicable NEC code
articles for wiring method selected.
3.
Run load wires per applicable NEC code articles
for wiring method selected.
4.
See
. Connect line supply wiring (A, B)
to line side of SMM contactor field terminals.
Tighten field terminals to 60
in-lbs
(6.8 Nm).
5.
Connect load supply wiring (C, D) to load side of
SMM contactor field terminals.
NOTE:
If neutral (E) and ground (F) wires are included,
connect inside SMM using a listed termination device.
The unit is now ready to configure, apply power, and per-
form testing.
Setting Priorities
High priority 240 VAC loads should be set to the highest
priorities so those loads recover first in the event of gen-
erator overload.
NOTE:
The highest priority, and first load to activate, is
Priority 1. The last load to activate is Priority 8.
Setting priority determines timing for three scenarios:
•
Order in which loads recover
•
Delay time until power returns during an outage
•
Delay time for post load shed recovery
An example configuration is shown below. Configurations
will vary depending on customer prioritization of loads:
1.
Set the priority of each SMM as desired (using the
example configuration for reference).
2.
Apply priority decal in a suitable location on electri-
cal panel to record chosen priority designations.
3.
Record priorities on decal.
Tests
Utility Test
1.
Turn utility power ON and enable all module feed-
ing circuits.
2.
Verify LED begins to flash at one second intervals.
3.
All contactors will close after five minutes. LED will
illuminate and remain ON.
NOTE:
The five-minute delay allows magnetism to dissi-
pate from the air conditioner compressor. This promotes
easier starting and eliminates the potential for reverse
compressor operation.
Installation Summary
•
Install cover on electrical panel.
•
Install covers on modules.
Table 3-1. Recommended Wire Sizes
Temperature rating of conductor: 167 ºF (75 ºC)
Conductor types: RHW, THHW, THW, THWN, XHHW, USE,
ZW
Size AWG
Maximum Current Rating
8
50A
6
65A
4
85A
2
115A
1
130A
NOTE:
Do not put more than three conductors in raceway,
cable, or earth.
Priority 1: Baseboard heat
Priority 5: Non-essential circuits
Priority 2: Air conditioner
Priority 6: Pool pump or hot tub
Priority 3: Range
Priority 7: Other circuits
Priority 4: Clothes Dryer
Priority 8: Other circuits
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