Daikin DV42FECC14 User Manual

Our continuing commitment to quality products may mean a change in specications without notice.
© 2015-2019
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
DV**PEC / DV**FEC (EEV SERIES AIR HANDLERS)
IOD-4018J
11/2019
INSTALLATION INSTRUCTIONS
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 ............................................................................3
6 Installation Location ............................................................................. 4
6.1 Upow Installation ................................................................................... 4
6.2 Horizontal Left Installation ....................................................................... 4
6.3 Downow/Horizontal Right Installation .................................................... 4
7 Refrigerant Lines ................................................................................... 7
7.1 Tubing Size .............................................................................................. 7
7.2 Tubing Preparation .................................................................................. 7
7.3 Tubing Connections ................................................................................. 8
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 ............................................. 11
12.4.1 Air Handler Only (Non-Heat Kit Models) ........................................... 11
12.4.2 Air Handler - Non-Circuit Breaker Heat Kits ..................................... 11
12.4.3 Air Handler With Circuit Breaker Heat Kit ......................................... 11
13 Achieving 1.4% & 2% Low Leakage Rate ........................................ 12
14 Airow Trim ........................................................................................ 12
15 Miscellaneous Start-Up Checklist .................................................... 12
15.1 Auxiliary Alarm Switch .........................................................................13
15.2 Circulator Blower ................................................................................. 14
15.3 Motor Orientation ................................................................................. 14
15.4 Accessory Contacts ............................................................................. 14
16 Troubleshooting .................................................................................. 15
16.1 Electrostatic Discharge (ESD) Precautions ....................................... 15
16.2 Diagnostic Chart ................................................................................. 15
16.3 Fault Recall.........................................................................................15
17 Fully Communicating Daikin System ................................................ 16
17.1 Overview..............................................................................................16
17.2 Airow Consideration ...........................................................................16
17.3 Thermostat Wiring ...............................................................................16
17.3.1 Two-Wire Outdoor and Four-Wire Indoor Wiring ......................... 16
17.4 Network Troubleshooting ..................................................................... 16
17.5 System Troubleshooting ...................................................................... 17
Troubleshooting ........................................................................................ 18
Diagnostic Codes ......................................................................................21
Setting the mode display .......................................................................... 22
Wiring Diagram .......................................................................................... 24
Routine Maintenance ................................................................................ 25
NOTICE
If an “Ed” error is encountered
on startup, verify that the
electric heater DIP switches
have been set to the appropriate
heater size. See Tables 9 and 10
for the heater kit airow delivery
and DIP switch settings.
Only personnel that have been trained to install, adjust, service or
repair (hereinafter, “service”) the equipment specified in this manual
should service the equipment. The manufacturer will not be
responsible for any injury or property damage arising from improper
service or service procedures. If you service this unit, you assume
responsibility for any injury or property damage which may result. In
addition, in jurisdictions that require one or more licenses to service
the equipment specified in this manual, only licensed personnel
should service the equipment. Improper 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.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
0140M00517-A

Daikin DV42FECC14 Specifications

General

Model	DV42FECC14
Refrigerant	R-410A
Phase	1
Cabinet Construction	Galvanized Steel
Cooling Capacity	42, 000 BTU/h
Heating Capacity	42, 000 BTU/h
Voltage	208-230V
Static Pressure	0.8 in. w.c.

Summary

Important Safety Instructions

Pre-Installation Considerations

Installation Location

Upflow, Horizontal Left, and Downflow Orientations

Refrigerant Lines

Tubing Size and Preparation

Tubing Connections

Connect EEV models with factory EEV. Braze joints carefully, quench, and replace panels.

Condensate Drain Lines

Electric Heat

Electrical and Control Wiring

Service Inspection and Wire Sizing

Inspect electrical service, size wires correctly for MCA and voltage drop, and ensure proper grounding.

Overcurrent Protection and Connections

Install MOP, use copper conductors, and ensure correct supply voltage connections and grounding.

Airflow and Start-Up

Low Leakage Rate

Ensure gaskets are intact and panels flush to achieve specified airflow leakage rates.

Airflow Trim

Miscellaneous Start-Up Checklist

Ensure electrical wires are sized, panels secured, tubing leak-free, and unit protected before operation.

Blower, Motor, and Accessories

Circulator Blower and Motor Orientation

Troubleshooting

ESD Precautions and Diagnostic Chart

Discharge static electricity. Refer to troubleshooting chart and use LED display for fault codes.

Fault Recall

Use the FAULT RECALL button to view last six faults or clear error history.

Fully Communicating Daikin System

System Overview and Airflow

Thermostat Wiring and Network Troubleshooting

System Troubleshooting