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.

2018 Spring EAP Rebates

Philadelphia Area Contractors, read on for current Homeowner Rebates from Electrical Association of Philadelphia (EAP). For assistance determining qualifying match-ups, use the AHRI site.

EAP rebates can be combined with PECO Smart Home Rebates, for combined rebates of up to $1,550 per qualifying unitary system, $1,350 for qualifying geothermal systems and a minimum of $220 for qualifying ductless heat pump systems.

EAP Rebates
Available February 14 – May 16, 2018
Contracts must be signed before April 25, 2018 & installed by May 16, 2018 to qualify.

Available through HVAC Distributors on:

Amana & Goodman Heat Pumps
Rebate Qualifying Product
$600 16.0 to 17.99 SEER, 8.5 HSPF, 12.5+ EER heat pump system
$700 18.0 to 19.99 SEER, 8.5 HSPF, 12.5+ EER heat pump system
$1,000 20.0 or higher SEER, 8.5 HSPF, 12.5+ EER heat pump system
Heat Pump rebates above increase by $100 when installed as a dual fuel heat pump (hybrid) that includes a 16+ SEER, 8.5 HSPF, 12.5+ EER heat pump
Amana & Goodman Air Conditioners
Rebate Qualifying Product
$500 16.0 to 17.99 SEER, 12.5+ EER central air conditioning system
$700 18.0 to 19.99 SEER, 12.5+ EER central air conditioning system
$1,000 20.0+ SEER, 12.5+ EER central air conditioning system
Daikin & LG Mini-Splits
Rebate Qualifying Product
$100 per Outdoor Unit Residential Single Zone High Efficiency Equipment – 20.0 SEER, 9.6 HSPF, 12.5+ EER heat pump system
$75 per Head Residential Multi Zone High Efficiency Equipment – 16.0 SEER, 9.0 HSPF, 12.0+ EER heat pump system
ClimateMaster Geothermal Systems
Rebate Qualifying Product
$800 18+ EER geothermal heat pump system

Requires:
Membership in the Electrical Association of Philadelphia & qualifying unit purchase from qualifying distributor (HVAC Distributors is a qualifying distributor)

Complete details of the EAP rebate program are available here.

You can order qualifying product at any of our HVAC Distributors locationsby phone or through Web Order Entry.

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.

Circuit Breaker Sizing on HKSC10 and Smaller Heat Kits

Goodman released the following bulletin, G-GN-OT-1494, regarding circuit breaker sizing on heat kits:

Circuit breakers furnished with the heat kits of 10kw and less are for safety disconnect purposes only and are not supplied to be used for circuit protection. The 60 amp breaker has been tested and approved by ETL to be used with the HKSC10 and smaller heat kits. The breaker is sized for 208/230V operation and approved by ETL for use with both voltages.

Heat Kits are shipped with label indicating “CIRCUIT BREAKER IS NOT INTENDED FOR BRANCH CIRCUIT PROTECTION. IT SERVES AS A DISCONNECT ONLY.”

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At installation of the heater, this label should be affixed to the front of the indoor unit.

Note that the circuit breaker for the air handler branch circuit protection must be properly sized according to the MOP value. Please reference the product specification sheet for these values.

Paragraph 90.7.of the NEC states the following:
(It is the intent of this Code that factory-installed internal wiring or the construction of equipment need not be inspected at the time of installation of the equipment, except to detect alterations or damage, if the equipment has been listed by a qualified electrical testing laboratory that is recognized as having the facilities described in the preceding paragraph and that requires suitability for installation in accordance with this Code.)

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

Changes for 2018 – Convenient Rebates, Rooftop Standards

Convenient Rebates

Goodman Manufacturing announced updates to its homeowner-oriented web sites, www.goodmanmfg.com and www.amana-hac.com. The sites now integrates rebates available based on a homeowner’s location into its web site layout. As customers (or you) search for products, rebates available in the local area will also populate.

Region-specific rebates can be searched on the sites by selecting Rebate Center under the Resources menu on each site.

Rooftop Energy Efficiency Standards are Changing

At the beginning of this year, 3 to 5 ton 13 SEER Packaged Units were discontinued, per Department of Energy regulation.

Beginning January 1, 2018, the performance measurement metric for 6 – 25 ton packaged units is being changed from EER to IEER (Integrated Energy Efficiency Ratio). This change is expected to improve the energy efficiency of rooftop equipment by about 10%. Required minimum IEER are noted in the table below.

Updated IEER Ratings for Equipment Manufactured On/After January 1, 2018

Unit Min IEER
Cooling Only 6-10 T 12.9
12.5-20 T 12.4
25T 11.6
Gas/ Electric 6-10 T 12.7
12.5-20 T 12.2
25T 11.4
Heat Pump 6-10 T 12.2 (3.3 COP)
12.5-20 T 11.6 (3.2 COP)
25T 10.6 (3.2 COP)

What does this mean for your customers? According to an article in ACHR News, “a typical building owner [would save] $4,200-$10,100 over the life of a single rooftop air conditioner. For larger commercial buildings, the savings are significant.”

What does this mean for you? As stock of older rooftops runs out, it will be replaced by units that meet the now higher efficiency requirements. To improve IEER, which is a weighted average of four load points, manufacturers adjust how the equipment performs at 75% load and 50% load. This can be done by increasing the physical size of the system or, as our manufacturer partners are doing, by changing compressors and drives to provide more variable performance.

You are still able to purchase and install rooftops that meet current EER/IEER standards. However, these models are not allowed to be manufactured after January 1, 2018, so when we sell out of existing inventory, it is gone for good.

If you are an HVAC Distributors/HVAC Commercial Solutions customer with a current committed project with an extended lead time, please reach out to your Account Manager about product availability.

If you are an HVAC Distributors/HVAC Commercial Solutions customer interested in learning more about how our manufacturer partners are improving the energy efficiency of their rooftop products, or in how best to explain these changes to your customers, reach out to your Account Manager.

 

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.

Defrost Timer Change on AVZC18/20 SEER Inverter Heat Pump Units

Goodman released Service Bulletin SR-072, regarding a software change on AVZC18 and AVZC20 Inverter Heat Pump units:

This bulletin is to inform you of a software change made to the Inverter Heat Pump models listed above. For units with a serial number prefix of 1706 and later the factory default setting for the defrost interval has been changed from 30 minutes to 120 minutes.

The defrost time interval can still be field adjustable to 30, 60, 90 or 120 minutes between defrost cycles to suit weather conditions and unit performance. This setting can be adjusted in the Comfortnet User Menu of the CTK04AE thermostat by selecting “Inverter” – “Heat Set Up” – “Defrost Interval”. When in this Sub Menu select 30, 60, 90,120 minutes setting.

NOTE: Oil Return Mode: In order to properly return the oil to the compressor, compressor speed may periodically adjust to assist oil circulation. These Inverter units utilize an oil return mode to properly return oil to the compressor which functions similar to a defrost cycle and may create the appearance of the unit having unnecessary defrosts.

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