Sentinel PXM-1 Bedienungsanleitung
Specifications PXM-1
Main Power / amperage 15-amps @ 120-volt AC
Power receptacles (2) 120 volt Nema 5-15
Maximum HID wattage 1200 watts (on 120-volt)
Sentinel products are distributed by:
GPS / Global Product Solutions LLC.
www.growgps.com
All Sentinel Timers and
controllers offer a
3-year warranty.
Ask your retailer for
details.
Main Power / amperage 15-amps @ 240-volt AC
Power receptacles (2) 240 volt Nema 6-15
Maximum HID wattage 2000 watts (on 240-volt)
PXM-2
Trigger power supply (PXM-1&2) 120-volt, Nema 1-15 /
12-volt DC output
Weight / Dimensions 3 lbs / 8” x 4” x 3”
Life Expectancy > 10 years
PXM-1&2
Instruction Manual
PXM-1&2
Power Expansion Module
When you need to control larger equipment with higher amperage,
the PXM is the answer. Power Expansion Modules increase the
number OR size of the lights, fans, air conditioners and pumps in
your growing area that can be “automated”. The PXMs have been
designed to expand the capabilities of the Sentinel controllers and
timers. You install the PXM by connecting the pre-wired “trigger”
cable into any controller or timer that is 120 volt. Then locate a suit-
able circuit and plug in the pre-wired #14 AWG cable into the
power outlet of your choice. Plug the devices that are to be
controlled into the PXM and you are ready to go.
* The PXMs come in a 120 volt (PXM-1) and a 240 volt (PXM-2)
v
ersion. Each has 2 receptacles to connect to.
* PXMs are able to control up to 15-amps of power.
* The PXMs are pre-wired and ready to use right out of the box,
NO WIRING REQUIRED.
The PXMs are housed in a
high impact plastic enclosure.
The PXMs are completely
“pre-wired” and requires only
connecting the devices to the
unit, and then to plug the
power cable into the power
outlet of your choice.
TABLE OF CONTENTS
A quick look at the PXMs
Installation of the PXMs
PXMs electrical connections
Large load (AC-Fans) example
HID lighting example
Troubleshooting & Specs
Introduction
WARNING:
Installation must be done in accordance with state and
local electrical codes.
Troubleshooting
Problem: The controller is turning On the relay and green LEDs
but there is not power coming from the receptacles.
Verify the circuit breaker on the bottom of the unit is turned ON. Check
the main power source that the PXM is connected to.
Problem: The green LEDs and relays do not turn ON.
Check the timeclock or controller that the trigger power supply is
connected to. The trigger cable provides a 120-volt “signal” to the PXM
that turns ON the relays. Try plugging the trigger power supply into a
known 120-volt power source. If it works, then the problem is with the
timeclock or controller you are using to turn the PXM ON.
Problem: The circuit breaker for the main power keeps shutting
OFF.
The circuit breaker is protecting the circuit from overloading. The am-
perage of the devices connected may be too much for the PXM. It is
also possible that one or more of the ballasts have failed (shorted out) or
the device connected to the PXM is having a problem. Try unplugging
each ballast one at a time to determine which ballast has a problem.
Verify the device connected is working properly by connecting it
directly to a power source. Verify the total amperage connected to the
PXM does not exceed 15-amps.
Problem: The green LEDs and relay are OFF but the receptacles
on the PXM still have power.
It is possible that something is wrong with the heavy-duty relays. If the
trigger cable is unplugged and the receptacles still have power, take the
unit out of operation and contact the factory.
Problem: The green LEDs are ON but I do not hear the relays
turning ON. The device connected to the PXM does not turn ON.
It is possible that something is wrong with the heavy-duty relays. If the
green LEDs are ON, and the receptacles do not have power after verify-
ing the main power supply is working, contact the factory.
Problem: I want to connect a second PXM to be activated at the
same time.
The interconnect cable allows up to (2) PXMs to be connected to a sin-
gle power supply. Connect the cable from 1 PXM to another PXM.
Some of the more common questions and problems are listed here.
NOTE:
Do not exceed the ratings of the PXM. (Refer to specs.)
HID lighting example
OR
120-volt trigger power-
supply connects to MDT-1,
HID-1 or a time-clock
(2) 120-volt
HID ballasts
Connect HID light fixtures
(2-600 watt / PXM-1)
(2-1000 watt / PXM-2)
PXM-1
Main power
PXM-1 / 15-amp
@ 120vac
PXM-2 / 15-amp
@ 240vac
* If you are using the PXM-2, it may be necessary to open the HID ballast
enclosure and physically change the power connection inside the ballast to
240 volt. It is usually as simple as disconnecting the wire coming from the
ballast transformer marked (120) , and connecting the wire marked (240)
to the ballast’s power cord.
A quick look at the PXM-1&2…
NOTE:
Locate the PXMs away from other sensitive electronics.
DO NOT spray the unit with water... especially the receptacles. It is best to
provide a dedicated circuit to the PXM. (15-amp @ 120 & 240 volt)
High-impact
thermoplastic
enclosure is tough
and attractive
LED Indicator light
confirms heavy-
duty relays are
energized. (On
when trigger cable
has power)
Interconnect cable
can be connected
to a second PXM.
Trigger cable from
low-volt power
supply connects
here.
(2) Universal power
receptacles accept either
120 volt or 240 volt
power cords.
(PXM-1 shown)
Main power cable
connects directly to a 120
or 240 volt circuit. Power
from main power circuit
is what flows through the
PXM receptacles.
PXM-1
Installing the PXM-1&2
In order to ensure a safe and proper installation of the PXMs,
follow the steps below.
1) Select the location for the device to be used. Keep the PXM away
from water. Determine where the main power supply will be
connected to the PXM and ensure the main power cable will reach.
2) Secure the wall mount bracket using the screws included.
3) The PXM can then be mounted to the wall bracket using the
supplied thumb screws.
4) DO NOT turn connect the power cable yet.
5) Connect the 120 volt trigger cable to the time-clock or controller
that will be turning the PXM ON & OFF. Either of the (2) low-volt
power jacks on the left side can be used. Up to (2) PXMs can be
connected to a single low-volt trigger power supply.
6) Energize (over-ride) the time-clock or controller and verify the
RED indicator light and the relay are energized on the PXM.
7) Once the trigger cable is tested, disconnect the low volt trigger
cable from the PXM.
8) Connect the device(s) that will be controlled by the PXM to the
(2) power receptacles on the bottom of the PXM.
9) Verify that the circuit breaker on the bottom of the unit is in the
OFF position.
10) The main power cable can now be connected to the power
source. Select a dedicated 15-20 amp @ 120 volt circuit to draw
power from and plug the power cable into the wall outlet.
11) Now turn ON the circuit breaker.
12) Ensure that the time-clock / controller that will be activating the
PXM is set to turn ON & OFF at the correct times. Reconnecting the
low-volt trigger cable will complete the installation.
Important:
Make sure devices connected to the receptacles on the PXM
are the correct voltages. DO NOT connect devices more than 15-amps.
Large load devices example
The most common use for the PXM-1&2 is to be able to
control larger equipment and additional lights. The PXMs have
high-power relays inside that turn the devices connected to it ON
and OFF. A trigger power supply activates the relays. The trigger
power supply is connected to any 120 volt controller or timer.
When the controller or timer activates the trigger power supply,
the PXM is “remotely” controlled by the controller or the timer.
WARNING:
Verify the equipment you are connecting to the PXM
does not exceed the ratings of the PXM. (Refer to specifications)
120-volt
trigger power
supply
connects to a
controller like
the EVC-2.
Air-conditioner
PXM-1
Main power
PXM-1 / 15-amp @
120vac
PXM-2 / 15-amp @
240vac
OR
OR
Dehumidifier
Fan
Dieses Handbuch passt für folgende Modelle
2
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