Celestron Smart DewHeater and Controller 2x Manual

Celestron Ikke kategoriseret Smart DewHeater and Controller 2x

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ENGLISH | 1

Congratulations on purchasing the Celestron Smart DewHeater

and Controller 2x. This controller delivers “smart” and efficient

power usage for up to two of your telescope system’s dew

heaters plus another 12V DC device—while also providing cable

management for your setup. When you plug your dew heaters

into the controller, one cable connects everything to your power

source, while another connects the setup to your PC, if desired.

If you prefer not to connect to a PC, simply plug your dew heaters

into the controller and power it on. The controller will automatically

monitor the ambient temperature and humidity using its integrated

environmental sensor. The thermistor port monitors the lens’s

temperature and provides only enough power to prevent dew.

If you’re using battery power, this “smart” system significantly

reduces the heaters’ power consumption, extending battery life. If

you would like to manually adjust settings or monitor data, connect

to a PC or your Celestron mount’s hand control.

1. Parts List

2. Controller Overview

TABLE OF CONTENTS

Fig 1 – All included items

Refer to Figure 2 for an overview of the input jacks, output ports, and

features of the Smart DewHeater Controller 2x.

If you are missing any parts in the Parts List, please contact Celestron

Technical Support at www.celestron.com/pages/technical-support

for assistance.

1. Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg.1

2. Controller Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg.1

3. Mounting the Controller to Your Setup . . . . . . . . . . . . . . . . . . Pg.3

4. Powering the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg.4

5. Connecting to a Celestron Mount . . . . . . . . . . . . . . . . . . . . . . Pg.5

6. Using the Controller with a Celestron Hand Control . . . . . . . . Pg.5

7. Connecting to a PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg.6

8. Using the Controller with CPWI Software . . . . . . . . . . . . . . . Pg.7

9. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg.10

Appendix A:

Determining Power Supply Requirement Examples . . . . . . . . . Pg.11

SMART DEWHEATER AND CONTROLLER 2X

INSTRUCTION MANUAL

Model #94035

ENGLISH

1. 2.

Fig 2-1

Fig 2-2

Fig 2-3

5. 4.

1. Smart DewHeater Controller 2x

2. Power cable

3. Auxilliry cable

4. Mount power cable

5. Tripod leg strap

6. Thermistor Cable

1. Dew heater ports

2. Power input jack

3. Thermistor ports

4. AUX ports

5. PC port

6. Power output port

7. Bridge

2 | ENGLISH

DEW HEATER CONTROL

The Smart DewHeater Controller 2x provides automatic “smart”

control for up to two dew heater rings or dew heater bands/strips.

If you are using the controller with a Celestron Dew Heater Ring,

connect the ring’s power input jack to one of the controller’s dew

heater output ports using the extension cable that comes with the

ring. Next, plug the included thermistor cable into the ring’s thermistor

jack and the corresponding thermistor port on the controller. (Figure

3) The thermistor indicates the Schmidt corrector lens’s temperature.

The controller uses this data along with information from the

controller’s integrated environment sensor (i.e., ambient temperature

and humidity) to provide just the right amount of power to the ring

to prevent dew. If you are using battery power, this system greatly

increases battery life under most conditions. Once you connect the

ring to one of the controller’s dew heater ports, it will begin to heat up

(unless the port has been manually disabled, which will be discussed

later in this manual).

You will need an additional thermistor cable if you wish to use

automatic smart control for more than one Celestron Dew Heater

Ring. The thermistor cable is a standard 2.5mm audio cable, which

you can find at most electronics retailers. Be sure to get one that is

long enough to accommodate your setup.

The controller’s environmental sensor resides in the “bridge” on the

controller’s enclosure (Figure 2). This location protects the sensor

from any heat radiating from the enclosure while still providing good

airflow. An integrated environmental sensor gives you a simpler,

cleaner setup without dangling external sensors to get in your way.

Occasionally, you should recalibrate the environmental sensor.

Recalibrating heats the sensor so that any accumulated moisture

evaporates, ensuring the most accurate temperature and humidity

data and the most efficient power use. We recommend recalibrating

before initial use and after long periods of storage in humid conditions.

The process is easy; we’ll explain it later in this manual.

If you do not wish to use automatic smart control, you can manually

set the power for each of the dew heater ports from 0% (off) to

100% (full power). We’ll discuss this option in more detail later in

the manual.

If you are using a non-Celestron heating band or strip, it will need an

RCA-type plug to connect to the controller’s heater output ports. You

have two options for controlling third party bands/strips:

1. You can purchase the optional Thermistor for Celestron Smart

DewHeater Controllers to provide automatic smart power control.

Connect the heating band to the telescope and connect its plug

to one of the dew heater ports. Then, place the tip of the probe

thermistor under the heating band so it is secure (you may want

to use tape). Connect the thermistor’s plug to the corresponding

jack on the controller (Figure 4). The probe thermistor is not as

accurate as the Celestron Dew Heater Ring’s built-in thermistor,

which contacts the corrector lens directly. Still, it allows for

automatic smart control of heating bands/strips.

2. Alternatively, you can manually set the power output for each dew

heater port from 0% to 100%, as mentioned previously.

Each of the dew heater ports can deliver a maximum of 84W power

(7A max current), which should be more than enough for most dew

heaters. If a connected dew heater draws more than 84W, the port

will automatically shut off to protect the circuitry. After reducing the

load, you can re-enable the port, a process that we’ll discuss later in

this manual

POWER CONTROL

A handy feature of the Smart DewHeater Controller 2x is its ability to

provide 12V DC power to an external device. Many users choose to

power their mount this way, enabling them to run their dew heaters

and mount from a single power source.

To power a 12V DC device, use the included mount power cable—

the cable with 12V DC barrel connectors on both ends (Figure 1).

Simply connect the device’s power input to the controller’s 12V DC

power output port. The port requires a 12V DC 5.5mm/2.1mm tip

positive barrel connector. One end of the mount power cable has an

integrated nut on its barrel connector. You can thread this onto the

power jack on Celestron mounts with a threaded barrel connector

for the most secure connection. Power will flow through the port as

soon as you connect the device; there is no need to turn the port on

(unless you disabled the port previously, which we’ll discuss later).

Fig 3

Connect a Celestron Dew Heater Ring to the controller using the extension cable that comes

with the ring and the thermistor cable that comes with the controller.

Fig 4

If you are using a heating band or strip from another manufacturer, you will need the

optional Celestron Thermistor for Smart DewHeater Controllers.

Celestron Thermistor

Extension cable

Thermistor cable

Produkt Specifikationer

Mærke:	Celestron
Kategori:	Ikke kategoriseret
Model:	Smart DewHeater and Controller 2x

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