AVPEC
AIR HANDLERS
INSTALLATION & OPERATING INSTRUCTIONS
© 2016-2018 Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com - or - www.amana-hac.com
P/N: IOA-4018D Date: December 2018
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
1 Important Safety Instructions --------------------------------------------------------- 2
2 Shipping Inspection ---------------------------------------------------------------------- 3
2.1 Parts ----------------------------------------------------------------------------------------- 3
2.2 Handling ------------------------------------------------------------------------------------ 3
3 Codes & Regulations -------------------------------------------------------------------- 3
4 Replacement Parts ----------------------------------------------------------------------- 3
5 Pre-Installation Considerations ------------------------------------------------------ 3
5.1 Preparation --------------------------------------------------------------------------------- 3
5.2 System Matches --------------------------------------------------------------------------- 3
5.3 Interconnecting Tubing ------------------------------------------------------------------ 3
5.4 Clearances ---------------------------------------------------------------------------------- 3
5.5 Horizontal Applications ------------------------------------------------------------------ 4
6 Installation Location -------------------------------------------------------------------- 4
6.1 Upflow Installation ----------------------------------------------------------------------- 4
6.2 Horizontal Left Installation ------------------------------------------------------------- 4
6.3 Downflow/Horizontal Right Installation --------------------------------------------- 4
7 Refrigerant Lines -------------------------------------------------------------------------- 7
7.1 Tubing Size ---------------------------------------------------------------------------------- 7
7.2 Tubing Preparation ----------------------------------------------------------------------- 7
7.3 Tubing Connections ----------------------------------------------------------------------- 7
8 Condensate Drain Lines ----------------------------------------------------------------- 8
9 Ductwork ----------------------------------------------------------------------------------- 9
9.1 Return Ductwork -------------------------------------------------------------------------- 9
10 Return Air Filters ------------------------------------------------------------------------ 9
11 Electric Heat ------------------------------------------------------------------------------ 9
12 Electrical and Control Wiring -------------------------------------------------------- 11
12.1 Building Electrical Service Inspection ----------------------------------------------- 11
12.2 Wire Sizing ------------------------------------------------------------------------------- 11
12.3 Maximum Overcurrent Protection (MOP) ----------------------------------------- 11
12.4 Electrical Connections – Supply Voltage ------------------------------------------- 12
12.4.1 Air Handler Only (Non-Heat Kit Models) ---------------------------------------- 12
12.4.2 Air Handler - Non-Circuit Breaker Heat Kits ------------------------------------ 12
12.4.3 Air Handler With Circuit Breaker Heat Kit -------------------------------------- 12
13 Achieving 1.4% & 2% Low Leakage Rate ------------------------------------------ 12
14 Miscellaneous Start-Up Checklist -------------------------------------------------- 12
14.1 Auxiliary Alarm Switch ----------------------------------------------------------------- 14
14.2 Circulator Blower ------------------------------------------------------------------------ 14
14.3 AVPEC Motor Orientation ------------------------------------------------------------- 14
14.4 Accessory Contacts ---------------------------------------------------------------------- 14
15 Troubleshooting -------------------------------------------------------------------------- 15
15.1 Electrostatic Discharge (ESD) Precautions ---------------------------------------- 15
15.2 Diagnostic Chart ------------------------------------------------------------------------ 15
15.3 Fault Recall ------------------------------------------------------------------------------- 16
15.4 Dehumidification ------------------------------------------------------------------------ 16
16 ComfortNet™ System -------------------------------------------------------------------- 17
16.1 Overview ---------------------------------------------------------------------------------- 17
16.2 Airflow Consideration ------------------------------------------------------------------ 17
16.3 CTK04 Thermostat Wiring ------------------------------------------------------------- 19
16.3.1 Two-Wire Outdoor and Four-Wire Indoor Wiring. ---------------------------- 19
16.4 ComfortNet™ System Advanced Features ---------------------------------------- 19
16.5 Network Troubleshooting ------------------------------------------------------------- 19
16.6 System Troubleshooting --------------------------------------------------------------- 20
17 Directions to ComfortNet System Advanced Feature Menus ----------------- 20
17.2 Diagnostics ------------------------------------------------------------------------------- 20
17.3 Identification ---------------------------------------------------------------------------- 20
17.4 Set-Up -------------------------------------------------------------------------------------- 20
17.5 Status -------------------------------------------------------------------------------------- 21
Troubleshooting ------------------------------------------------------------------------------- 23
setting the mode display -------------------------------------------------------------------- 24
Diagnostic Codes ------------------------------------------------------------------------------ 25
SETTING THE MODE DISPLAY -------------------------------------------------------------- 27
O
NLY
PERSONNEL
THAT
HAVE
BEEN
TRAINED
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
(
HEREINAFTER
, “
SERVICE
”)
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
SHOULD
SERVICE
THE
EQUIPMENT
. T
HE
MANUFACTURER
WILL
NOT
BE
RESPONSIBLE
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
ARISING
FROM
IMPROPER
SERVICE
OR
SERVICE
PROCEDURES
. I
F
YOU
SERVICE
THIS
UNIT
,
YOU
ASSUME
RESPONSIBILITY
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
WHICH
MAY
RESULT
. I
N
ADDITION
,
IN
JURISDICTIONS
THAT
REQUIRE
ONE
OR
MORE
LICENSES
TO
SERVICE
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
ONLY
LICENSED
PERSONNEL
SHOULD
SERVICE
THE
EQUIPMENT
. I
MPROPER
INSTALLATION
,
ADJUSTMENT
,
SERVICING
OR
REPAIR
OF
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
OR
ATTEMPTING
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
WITHOUT
PROPER
TRAINING
MAY
RESULT
IN
PRODUCT
DAMAGE
,
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
ATTENTION
INSTALLING PERSONNEL:
Prior to installation, thoroughly familiar-
ize yourself with this Installation Manual.
Observe all safety warnings. During instal-
lation or repair, caution is to be observed.
It is your responsibility to install the prod-
uct safely and to educate the customer
on its safe use.
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