5
2 Legs of Load-Side Leads
CTs
CT secured around
the load-side leads
Locking Tab
CT Molex Connector
mated to one of the
Controller Molex
Connectors
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Fig. 9 -- Connecting Current Sensors
Connect Power Lines
1. Connect the following wires in parallel to the 24V side of
the transformer:
a. Modem Enclosure Power (wires 24, 25)
b. Gateway (Coordinator) Power – RED Pair, (wires 1 &
2) (See Fig. 11)
2. Connect the primary side of the transformer to the load--side
leads. If a wire extension is required, use stranded 18 AWG
wire.
3. When you power up the Gateway the green WAN light &
green power light should be solid within one minute of
power up. If these lights do not come on please contact RE-
GEN Energy’s Operations Center at 949--258--4415, Option
#2.
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Fig. 10 -- Modem WAN and Power lights
Test Control Line Integration
1. Jumper the control lines to force the blower and compres-
sors on.
2. Restore power to the rooftop unit.
3. Press the Gateway (Coordinator)’s ON button to power up
the Gateway (Coordinator).
4. Wait until you see the indicators on the left of the display
light up in a vertical row.
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5. Press the unlock sequence:
Y
,
B
, ENTER. Confirm that the
OVERRIDE indicator flashes and the screen displays “rly”,
indicating that the Gateway (Coordinator) is in Relay Test
Mode.
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6. After the screen displays “rly”, it will then show “1 2”,
where: “1” indicates that Relay 1 (blower control line) is
closed (Applies only for Energy Demand Load Controller
Accessory) and “2” indicates that Relay 2 (cooling and heat-
ing control lines) is closed.
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7. Press
B
to open Relay 2 and confirm that the compressor(s)
turn off (after waiting for any minimum startup runtime de-
lays). The display will show “1 –“, indicating that Relay 1 is
still closed, yet Relay 2 is now open.
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8. Wait 20 minutes and then press
B
to close Relay 2, and
confirm that the compressor(s) resume operation. The dis-
play will show“1 2”, indicating that Relay 1 and Relay 2 are
both closed.
NOTE
: Some control systems may have up startup delays
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NOTE
: The selected relay test settings will remain in place for up
to 20 minutes, and up to 10 changes can be made to relay settings
during each Relay Test, after which the Gateway (Coordinator)
