Table of Contents
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DV**PTC*14
Index
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 ................................................................... 4
5.4 Clearances ...................................................................................... 4
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 .................................................................................... 6
7.1 Tubing Size ..................................................................................... 6
7.2 Tubing Preparation ......................................................................... 6
7.3 Tubing Connections for TXV Models .............................................. 7
7.4 Thermal Expansion Valve System Adjustment ............................... 8
8
Condensate Drain Lines .................................................. 8
9
Ductwork ......................................................................... 10
9.1 Thermal Expansion Valve System Adjustment ...................................... 10
10 Return Air Filters .................................................................................. 10
11 Electric Heat .......................................................................................... 10
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
12.5 Low Voltage Connections ........................................................... 12
13 Achieving 1.4% and 2.0% Airflow Low Leakage Rate ......................11
14 Start-Up Procedure ............................................................................. 12
15 Regular Maintenance ......................................................................... 12
16 Circulator Blower ................................................................................ 15
17 Troubleshooting ................................................................................. 17
IOD-4021K
06/2021
SERIES AIR HANDLERS
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2014 - 2021
19001 Kermier Road Waller, TX 77484
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
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.
NOTICE
If an "Ec" error is encountered on
startup, verify that the electric heater
DIP switches have been set to the
appropriate heater size. See pages
14-17 for the heater kit airflow
delivery and DIP switch se�ngs.
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Table of Contents
Troubleshooting
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Summary of Contents for Daikin DV PTC 14 Series
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS DV**PTC*14 SERIES AIR HANDLERS Index 1 Important Safety Instructions ..............2 2 Shipping Inspection ................3 2.1 Parts ....................3 Only personnel that have been trained to install, adjust, service 2.2 Handling ..................3 or repair (hereinafter, “service”) the equipment specified in 3 Codes &... -
Page 2: Important Safety Instructions
To avoid property damage, personal injury or death due to 18.3 Control Wiring ................20 electrical shock, this unit MUST have an uninterrupted, 18.4 Fully Communicating Daikin System Advanced Features ..20 unbroken electrical ground. The electrical ground circuit may 18.5 Diagnostics ................. 20 consist of an appropriately sized electrical wire connecting the 18.5.1 Network Troubleshooting ............ -
Page 3: Shipping Inspection
Also inspect the unit to verify all required components are present and intact. Report any missing components immediately to Daikin or to the distributor. Use only factory authorized replacement parts (see Section 5). Make sure to include the full product model number and serial number when reporting and/or obtaining service parts. -
Page 4: Interconnecting Tubing
5.3 Interconnecting Tubing Drip Shield Bracket Drip Shield Give special consideration to minimize the length of refrigerant Drip Pan Extension tubing when installing air handlers. Refer to Remote Cooling/ Heat Pump Service Manual RS6200006, and TP-107 Long Line Side Set Application R-410A for tubing guidelines. If possible, allow Drain adequate length of tubing such that the coil may be removed (for inspection or cleaning services) from the cabinet without... - Page 5 IMPORTANT NOTE: In the downflow application, to prevent coil pan “sweating”, a downflow kit (DFK) is available through your local Daikin distributor. The DFK is not supplied with the air handler and is required by Daikin on all downflow installations.
- Page 6 HORIZONTAL LEFT Figure 4 HORIZONTAL RIGHT Figure 5 UPFLOW DOWNFLOW Figure 2 Figure 3 Upper Tie Plate Control Deck Blower Access Panel Coil Downflow Tubing Access Bracket Panel Panel Center Support Filter Bracket Filter Access Knockout Panel INTERNAL PART TERMINOLOGY EXTERNAL PART TERMINOLOGY Figure 6 Figure 7...
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Page 7: Refrigerant Lines
4. Using the drain pan to hold the coil assembly, slide the coil 7. The bottom left drain connection is the primary drain for assembly back into the cabinet on the downflow brackets as this application and condensate drain line must be attached shown in Figure 8. -
Page 8: Thermal Expansion Valve System Adjustment
3. Replace the refrigerant tubing panel. 4. Disconnect manifold set, and installation is complete 4. Remove the spin closure on both the liquid and suction NOTE: Check the Schrader ports for leaks and tighten valve cores tubes using a tubing cutter. if necessary. - Page 9 SATURATED SUCTION PRESSURE SATURATED LIQUID PRESSURE TEMPERATURE CHART TEMPERATURE CHART SATURATED SUCTION SATURATED LIQUID SUCTION PRESSURE LIQUID PRESSURE TEMPERATURE ºF TEMPERATURE ºF PSIG R-22 R-410A PSIG R-22 R-410A The installation must include a “P” style trap that is located as NOTE: Trapped lines are required by many local codes.
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Page 10: Ductwork
9 Ductwork NOTE: For installations not indicated above the following formula is to be used: This air handler is designed for a complete supply and return TR = (kW x 3412) x (Voltage Correction) / (1.08 x CFM) ductwork system. Where: TR Temperature Rise To ensure correct system performance, the ductwork is to be... -
Page 11: Electrical And Control Wiring
12.2 Wire Sizing HEAT KIT NOMINAL kW Wire size is important to the operation of your equipment. Use 19/20 the following check list when selecting the appropriate wire size for your unit. 1000 1200 CAUTION 1400 FIRE HAZARD! 1600 To avoid the risk of property damage, personal injury or fire, 1800 use only copper conductors. -
Page 12: Electrical Connections - Supply Voltage
13 Achieving 1.4% and 2.0% Airflow Low Leakage 12.4 Electrical Connections – Supply Voltage Rate IMPORTANT NOTE: USE COPPER CONDUCTORS ONLY. Ensure all the gaskets remain intact on all surfaces as shipped Knockouts are provided on the air handler top panel and with the unit. - Page 13 24 Volt Thermostat Wiring - Non-Communicating Thermostat Typical Two-Stage Cool, Place Jumper Between Y1 Two-Stage Heat Thermostat Connections and O for Proper Dehumidification Operation NOTE: Wire routing must not interfere with the circulator blower and Proper Ramping R C G W1 W2 Y1 operation or routine maintenance.
- Page 14 DV**PTC Motor Orientation To install/connect a dehumidistat: 1. Turn OFF power to air handler. If the unit is in the upflow position, there is no need to rotate the motor. If the unit is in the downflow position, loosen motor 2.
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Page 15: Circulator Blower
2. Determine the proper airflow for the cooling system. Most cooling systems are designed to work with airflows between 16 Circulator Blower 350 and 450 CFM per ton. Most manufacturers recommend an airflow of about 400 CFM per ton. This air handler is equipped with a multi-speed circulator blower. - Page 16 1056 1530 instructions for cooling and heat pump airflow data. See Fully 1080 1630 1210 1820 Communicating Daikin System-Airflow Consideration section for details. DV61PTCD14 1280 1925 2. Airflow blink codes are approximations of actual airflow. 1350 2025 NOTE: Airflow blink codes are approximations of actual airflow. Airflows provided are at 0.3 static.
- Page 17 4. Locate the blower speed selection DIP switches on the Tap A Tap B Tap C Tap D* integrated control module. Select the desired “cooling” speed tap by positioning switches 1 and 2 appropriately. If airflow adjustment is required, set dip switch S8 (trim enable) to ON (trim enable default is off).
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Page 18: Troubleshooting
• Profile A provides only an OFF delay of one (1) minute at heater kilowatt (kW) rating. Using the Electric Heat Airflow 100% of the cooling demand airflow. table on page 16, set dip switches 9, 10, and 11 for the installed heater. -
Page 19: Overview
Communicating compatible air handler and air conditioner or added. During continuous fan operation, the thermostat sends heat pump with a Daikin Communicating thermostat. Any other a fan request along with the continuous fan demand to the air system configurations are considered invalid Communicating handler. -
Page 20: Control Wiring
Continuous Fan Thermostat diagnostic/troubleshooting features. These advanced features are organized into a menu structure. If you are using a Daikin One+ Smart Thermostat, please visit website at Figure 32 https://www.daikinone.com for instructions. 18.3 Control Wiring 18.5 Diagnostics... -
Page 21: System Troubleshooting
18.5.2 System Troubleshooting NOTE: Refer to the instructions accompanying the Communicating compatible outdoor AC/HP unit for troubleshooting information. Refer to the Troubleshooting Chart at the end of this manual for a listing of possible air handler error codes, possible causes and corrective actions. -
Page 22: Communications Troubleshooting Chart
Communications Troubleshooting Chart LED Status Indication Possible Causes Corrective Action(s) Notes & Cautions ● Normal condition ● None ● None ● None 1 Flash ● Communications ● Communications Failure ● Depress Learn Button ● Depress once quickly for Failure ● Verify that bus BIAS a power-up reset and TERM dipswitches... -
Page 23: Air Handlers Advanced Features Menu
Air Handlers Advanced Features Menu CONFIGURATION Indication (for Display Only; not User Modifiable) Submenu Item Electric Heat Size (HTR KW) Displays the size in kW of the selected electric heaters. Motor HP (1/2, 3/4, or 1 MTR HP) Displays the air handler indoor blower motor horsepower. Heat ON Delay (HT ON) Displays the electric heat indoor blower ON delay. -
Page 24: Diagnostic Codes
22 Diagnostic Codes 7 SEGMENT LED DESCRIPTION OF CONDITION (characters will alternate) (no display) INTERNAL CONTROL FAULT / NO POWER STANDBY, WAITING FOR INPUTS HEATER KIT DIP SWITCHES NOT SET PROPERLY NO HTR KIT INSTALLED - SYSTEM CALLING FOR AUXILIARY HEAT FUSE OPEN AUXILIARY SWITCH OPEN DATA NOT ON NETWORK... -
Page 25: Wiring Diagrams
23 Wiring Diagrams HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 40 VA TRANSFORMER, SEE NOTE 1 230 VAC GRND GRND 208 VAC 24 VAC DISCONNECT INDOOR... - Page 26 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 3-Phase Heat Kit Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 27 AIR HANDLER AIR HANDLER homeowner’s Routine Maintenance Recommendations We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. REPLACE OR CLEAN FILTER IMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire.
- Page 28 Air Handler / Coil Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 and L2 Voltage) L1 - L2 Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps Heat Strip 1 - Amps Heat Strip 2 - Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure IN.
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- Page 32 CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page. PRODUCT REGISTRATION Thank you for your recent purchase.
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