WITHOUT FRIDGE DEFEND YOU ARE NOT PROTECTED
Dometic & Norcold reliability and fire safety, can you live without it?
WITHOUT FRIDGE DEFEND YOU ARE NOT PROTECTED
Dometic & Norcold reliability and fire safety, can you live without it?
Both the Dometic NDR1062 & NDM1062 refrigerators require boiler monitoring for safety. The Fridge Defend is a patented boiler monitor that when installed and maintained correctly will improve safety, efficiency, and reliability of your fridge.
REQUIRED TO DOWNLOAD INSTALLATION INSTRUCTIONS - WEB PAGES ARE SUPPLEMENTAL - EACH VERSION OF CONTROL HAS INTRICACIES REQUIRING THE WRITTEN INSTRUCTIONS.
Instructions: Subjects are listed on left. Click the link to the right to go directly to the subject matter on this page.
The 10 cubic foot Dometic refrigerators are found in both Class-A and Fifth Wheel type RVs. These fridges are very durable as long as the cooling unit is not allowed to overheat. Overheating can occur due to driving up steep hills, wind conditions that prevent ventilation of the cooling unit, and other factors that are too numerous to mention here.
The good news, the patented Fridge Defend addresses all of the issues that result in cooling unit overheating.
How? The Fridge Defend monitors the heart of the cooling unit, the boiler. If the boiler overheats, the cooling
ceases, and in turn damage to the cooling unit results.
Click here to see how the ARP helps prevent these problems.
This photo shows the NDR1062 boiler with the ARP temperature probe installed on the boiler tube. Please note that the boiler tube is behind the flue tube. Be careful not to put the temperature probe on the flue tube. Also, make sure the probe is insulated from the flue tube so that the flue does not heat the ARP temperature sensor.
One of the most common mistakes on the Dometic cooling units is to place the ARP temperature sensor on the flue tube. The result is that the ARP will trip soon after starting the refrigerator when run from the LP Gas. If the ABS variable is checked in the SetUp mode, very high readings will be displayed, in excess of 230 degrees Celsius.
The second most common mistake is to forget to insulate between the flue tube and the sensor.
If there is an air space between the sensor and the flue tube the sensor will pick up heat
from the flue tube.
Please click here for temperature sensor install video.
This photo is a close up of the above photo. Please note that the ARP temperature sensor is mounted on the boiler tube which is easily identified by the electric heater being welded to the boiler tube. In this picture, the flue tube is behind the insulation and to the right.
The next two images show the mounting locations for the Fridge Defend black box. The first drawing shows the control mounted on the Dometic 1062 control box in the cooling unit compartment. This is a desirable location unless there is equipment in the way as shown in the next photo.
This next photo was sent to us by a happy camper to show his installation. Note that the Fridge Defend by ARP was simply mounted on the sheet metal plate in front of the boiler. This made the display of the ARP easy to see through the vent when aligned correctly.
Click here if your fridge has a boiler thermal switch that is wired in line with the power supply.
Please click here for the ARP blower fan and temperature sensor installation.
Please see the full ARP User Manual and Installation Guide for more information needed before using your ARPrv Control.
We are providing an image of the NDR1062 wiring diagram sticker. These stickers are usually not readable, please print the photo to the left if you need additional wiring information.
We understand that questions can arise, we at ARP Control are here to help you. We want you to be happy campers, so please do not hesitate to ask questions. It is our preference to send us an e-mail using the Contact Us form located at the top and bottom of the page. If you need immediate help, you are welcome to call.
Please note that all of the following specifications are believed to be accurate. If any errors are found, please bring them to our attention as soon as possible. For critical specification please contact Dometic as they make changes to their specifications without notice.
| FRIDGE MODEL: | NDM1062 | NDR1062 | Units |
|---|---|---|---|
| ARP Control Boiler Temperature | 185-195 | 185-195 | Celsius |
| Off-Level Operating Limit | dependent on ambient conditions | ||
| Minimum DC Power Supply | 9.6 | 9.6 | VDC |
| Maximum DC Power Supply | 22 | 22 | VDC |
| Maximum AC on 12VDC Supply Line | 6 | 6 | VAC |
| Fuses | |||
| Board 12VDC Fuse | 3 | 3 | Amp |
| Board AC Fuse | 5 | 5 | Amp |
| AC Power | |||
| Operating Range | 100-132 | 100-132 | VAC |
| DC Heaters | |||
| DC Heater Power Rating | -- | -- | Watts |
| Current | -- | -- | Amps |
| Heater Resistance per Heater (cold) | -- | -- | Ohms |
| Fuse | -- | -- | Amps |
| AC Heaters | |||
| AC Heater Power Rating | 325 | 325 | Watts |
| Current | 2.7 | 2.7 | Amps |
| Heater Resistance per Heater (cold) | 44 | 44 | Ohms |
| LP Gas | |||
| Gas Pressure | 10.5-11.5 | 10.5-11.5 | inch w.c. |
| Gas Jet | #58 | #58 | |
| Gas Thermocouple | 25-35 | 25-35 | mili-Volts |
| Electrode to Burner Gap | 3/16 | 3/16 | inch |
| Fridge Temperature Sensor | |||
| Thermistor @ 33degF to 35degF | 7k-10k | 7k-10k | Ohms |
If you cannot find what you need please use the Contact Us form on the top menu.