ComfortBridge™ Control System Furnace Non-Communicating Setup Using PCB Pushbuttons

Goodman has released Service Bulletin SF-078 containing instructions on setting up a new ComfortBridge™ control system furnace with a non-communicating outdoor unit.

(For Goodman’s announcement on the ComfortBridge system, click here.)

From Goodman:

When installing a new ComfortBridge™ control system furnace with non-communicating outdoor units please adhere to the following instructions for setting up the equipment airflow. This safeguard was put in place to prevent maximum airflow when no adjustments are made during the install.

NOTE: Please refer to the Quick Start section of the installation manual IOG-2015 for low voltage wiring connections for your specific application. Once you have the unit installed, wired in correctly to terminals Y and G, and ready to start up, the following will assist you in configuring the furnace to operate with a non-communicating air conditioner using the PCB push buttons. Failure to follow these instructions will cause the unit to stay in “IdL” mode and not pass the call for “AC” airflow with a call for cooling.

1. From the “IdL” menu push the Left or Right push buttons until you get to the “OdS” menu.

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2. Once at the “OdS” menu push the center button. This will get you into the submenu and display will now read “Off”. Once “Off” is on the 7 segment LED then push the Right button until you see “1AC” (single stage AC). Select the center button once to accept “1AC” and a second time back out to the “OdS” menu. Note: The “OdS” menu also contains configuration options (2AC-2stage AC, 1HP-1 stage HP, 2HP-2 stage HP.)

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3. Once you have selected “1AC” and hit the center button twice you will now see “OdS” in the 7-segment displays. This confirms the change has been made and you can now push any two buttons and you will be brought back to the main “IdL” menu.

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4. You have now successfully configured the system to utilize a non-communicating air conditioner using the PCB pushbuttons. You now need to select an airflow value in the “ton” menu. You will set this according to what CFM is required by the size of the AC you have installed as found in IOG-2015.

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3 Ton Models = 1400 CFM (*MVC960803 max CFM is 1650)

Note: the system will not provide airflows above the Max Airflow Value.

  • 3 Ton Models = 1400 CFM (*MVC960803 max CFM is 1650)
  • 4 Ton Models = 1760 CFM
  • 5 Ton Models = 2200 CFM

If you have questions about this bulletin, HVAC Distributors customers can reach out to our Technical Service department at 800.228.4822 x5.

ComfortBridge: Amana & Goodman’s New Communicating Interface for Equipment

Goodman Manufacturing has announced the next phase of its communicating equipment interface: ComfortBridge™. This technology will replace the current ComfortNet™ communicating thermostat.

What is ComfortBridge?
ComfortBridge is a board-based communication platform (versus the thermostat-based ComfortNet technology). It uses Bluetooth® technology to commission, configure and diagnose equipment. This frees you, as the contractor, to use the thermostat control of your choice with the equipment without sacrificing the communicating benefits of the system.

ComfortBridge is managed through either an on-board LED screen or through your smart phone using the Cool Cloud HVAC app (Android download | Apple download).

What units are affected?
All communicating system furnaces and air handlers will be upgraded to ComfortBridge-enabled boards. Starting July 2018, you may receive an updated communicating furnace with your order of the following models: AMVC96, ACVC96, GMVC96, GCVC96.

Because this is a revision to an existing model, not a new product, HVAC Distributors will make best efforts to sell through existing inventory (ComfortNet-communicating product) before selling the new inventory. This will give you time to download the app and learn more about the ComfortBridge technology.

What does this mean for you?

  • Thermostat Flexibility. You are no longer tied to the CTK04 to make the most of the equipment’s communicating features. You can use your choice of thermostats, including any brands your company may have standardized on.
  • Application Flexibility. ComfortBridge opens possibilities for 2-stage, modulating and inverter applications, hydronic connectivity, external dehumidification connectivity and ventilation connectivity that were not available with the CTK04 configuration.

But Wait, There’s More…

To get ready for this change, we encourage you to:

  1. Download the Cool Cloud HVAC app (Android download | Apple download) to your smart phone. Have all of your installing and servicing technicians do the same.
  2. Watch our tutorial from Eric Kravitz, HVAC Distributors’ Technical Support & Training Supervisor, on how the new boards work and how to make the most of your installation.
  3. If you are an HVAC Distributors customer and have questions when you get the new furnaces, reach out to our Tech Services team at 800.228.4822 x5. This service is available for HVAC Distributors customers only.

Amana/Goodman 80% Furnace Flue Connector Fit-Up Inaccuracy

Goodman has released Service Bulletin SF-076 concerning the positioning of the flue connector fit-up on an on 80% furnaces produced at the new Daikin Texas Technology Park.

Please note: The positioning of the flue fit-up connector does not affect the safety or performance.

Beginning January 2018, the 80% furnace production began transitioning to our new factory at the DTTP (Daikin Texas Technology Park). In conjunction with this transition, enhanced manufacturing processes and tooling changes were implemented.

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As a result of these changes, we have recently found that the mounting brackets securing the heat exchanger to the wrapper were positioned further forward in the cabinet than intended on these DTTP produced furnaces. This may affect the fit-up of the flue connector as shown in the picture on the right. Some of the 80% furnaces, as listed in the table below, with serial number prefixes of 1801xxxxxx and 1802xxxxxx are affected.

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For upflow or horizontal right installations: In some cases it will be necessary to lift the top panel slightly by pushing upwards on the bottom side of the top panel to allow the flue connector to slip onto the top of the induced draft blower. Additionally, it may be helpful to loosen or remove the two screws securing the left side of the top panel to improve access. After positioning the flue connector these screws should be secured as normal.

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For horizontal left installations: These applications generally require the chimneytransition bottom kit part # 0270F01119 orservice part # 4053501S. In most cases no additional trimmingof the horizontal flue cutout will be required. However, ifneeded the opening may be trimmed towards the front of thefurnace to provide adequate clearances.

Some models also state for horizontal installations to install a #8 x 5/8 screw through the center of the top panel (hole provided) into the flange of the partition panel. This hole will need to be moved ¼” towards the front of the furnace to avoid missing the partition panel. A self-tapping screw may be used.

Please note this does not affect the furnace safety or performance.

If you have questions about this bulletin, HVAC Distributors customers can reach out to our Technical Service department at 800.228.4822 x5.

Incorrect Speed Selection on Dip Switch Sticker on *MVC96/*CVC96 Furnace

Goodman has released Service Bulletin SF-075 concerning an error found on the dip switch sticker on select furnaces:

Goodman has discovered an error in the blower speed label affixed to the *MVC96 and *CVC*96 furnace product. Under the Speed Selection Dip Switches section of the door sticker the Heat Selection Switches Taps B, C, and D (S4-3 and S4-4 switches) are mislabeled.

Please refer to the following Switch Bank S4 chart that can be found in the installation instructions that come with the furnace regarding the proper settings below. These Dip Switch settings are for a Legacy (24 volt thermostat) setup as the Dip Switches are not used if the system is utilizing a Communicating thermostat.

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If the factory default Dip Switch setting (B) was not changed there will be no change to the intended airflow. If the Dip Switch setting (B) was changed to match what was shown on the furnace label rather than the I&O then this would result in a minor increase in airflow as you are now operating as Tap (C).

Per page 39 of the installation instructions it is recommended to perform CFM verification at Startup as follows: “Select the desired heating speed tap by positioning switches S-4 3, 4 appropriately. Refer to figure above. Verify CFM in heating by noting the number displayed on the dual 7- segment display.”

There is no action required to correct the door sticker as this does not pose a safety or operational furnace issue. Units with serial prefixes of 1802 or later the door stickers have been corrected and are unaffected by the issue.

If you have questions about this bulletin, HVAC Distributors customers can reach out to our Technical Service department at 800.228.4822 x5.

Goodman Expands 96% Furnace Offering

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Goodman has expanded its furnace offerings by launching the new GMEC96 and ACEC96 model furnaces.  These new options are the downflow/horizontal version of the popular GMEC96 and AMEC96 furnace lines.

The new models feature:

    • 96% AFUE
    • Energy-efficient, multi-speed ECM motor for a convenient match to a wide range of coil-condenser combinations
    • Two-stage gas valve for quiet, economical heating
    • Heavy-duty, aluminized-steel tubular heat exchanger

Amana Models:

Product ID Model # Heating Cooling/Airflow Cabinet Width
460156 ACEC960403BN 40 MBH 3 Ton / 900 cfm 17-1/2” (B)
460157 ACEC960603BN 60 MBH 3 Ton / 900 cfm 17-1/2” (B)
460158 ACEC960803BN 80 MBH 3 Ton / 900 cfm 17-1/2” (B)
460159 ACEC961005CN 100 MBH 5 Ton / 1500 cfm 21” (C)

Goodman Models:

Product ID Model # Heating Cooling/Airflow Cabinet Width
460160 GCEC960403BN 40 MBH 3 Ton / 900 cfm 17-1/2” (B)
460161 GCEC960603BN 60 MBH 3 Ton / 900 cfm 17-1/2” (B)
460162 GCEC960803BN 80 MBH 3 Ton / 900 cfm 17-1/2” (B)
460163 GCEC961005CN 100 MBH 5 Ton / 1500 cfm 21” (C)

These furnaces can be ordered at any of our HVAC Distributors locations, by phone or through Web Order Entry.

New “D” Cabinet Width on Goodman GMVC96 and Amana AMVC96 Furnaces

Goodman Manufacturing has expanded its furnace offering by adding a D-width (24-1/2”) to the popular GMVC96 and AMVC96 furnaces in the 100MBH, 5 ton size.  Previously, these models have only been offered with the C-width (21″) cabinet.

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The D-width cabinet allows a flush fit of the coil and furnace, which provides a cleaner installed appearance. C-width cabinet installations require 3.5″ of coil cabinet overhang in relation to the furnace (1.75″ each side).

These furnaces are available at any of our HVAC Distributors locations and can be ordered by phone or through Web Order Entry.

Goodman Tubular Upgrade Warranty Program Updates

Goodman Manufacturing offers a Tubular Upgrade Program, which provides contractors with the option of upgrading homeowners with a non-functional clamshell-type heat exchanger (covered under the terms of the original warranty) to a new Goodman brand furnace featuring a tubular heat exchanger at a discounted price.

From Goodman:

Here is how the program works:

  1. Once a dealer verifies the homeowner has a non-functional Goodman clamshell heat exchanger covered under the terms of the original warranty, the installing dealer can provide the homeowner with the option of a new furnace at $150 below the dealer’s purchase price from the distributor. This discount applies only to furnace cost. It is the dealer’s responsibility to negotiate all additional costs with the homeowner including labor, freight, or any other costs associated with the installation, service, repair or operation of the unit.The new furnace will be backed with all standard limited warranties associated with the specific model selected for replacement, including a 10-Year Parts Limited Warranty and a Lifetime Heat Exchanger Limited Warranty. All warranties are available to the original registered owner and his or her spouse provided the unit is installed in an owner-occupied single-family residence and the unit is properly registered online with Goodman within 60 days after the upgraded installation occurs. Online registration is not required in California or Quebec. See www.goodmanmfg.com for complete warranty details.

  2. To qualify, the installing dealer must complete a FURNACE REPLACEMENT PROGRAM AGREEMENT form, disclose the program to the homeowner and provide the homeowner with a completed copy of the FURNACE REPLACEMENT PROGRAM AGREEMENT. The dealer must also retain a copy of the completed form to submit with their warranty claim to their distributor.

  3. Dealer must provide the participating Goodman distributor with:

A.  the completed and signed FURNACE REPLACEMENT PROGRAM AGREEMENT form; and

B. the Warranty Claim Form; and

C. The non-functional furnace or rating nameplate.

Then, the dealer will be provided a $150 discount towards a future Goodman serialized equipment purchase by the participating distributor.

This program is only available on qualifying clamshell-type heat exchangers. Following is a list of qualifying & non-qualifying models, based on current claims requested through Goodman Manufacturing:

Qualifying-NonQualifying Models

For HVAC Distributors customers, we have provided a link to the FURNACE REPLACEMENT PROGRAM AGREEMENT form on our web site for your convenience. Print this form to use for exchanges, then return the materials listed in Step 3, above, to your local HVAC Distributors branch.