Daikin DMVT P1300 Series Installation & Operating Instructions Manual
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Daikin DMVT P1300 Series Installation & Operating Instructions Manual

Daikin DMVT P1300 Series Installation & Operating Instructions Manual

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DMVT***P1300**
AIR HANDLERS INSTALLATION &
OPERATING INSTRUCTIONS
Only personnel that have been trained to install, adjust,
service, maintenance or repair (hereinafter, "service")
the equipment specified in this manual should service the
equipment.
This equipment is not intended for use by persons (including
children) with reduced physical, sensory or mental
capacities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning
use of the appliance by a person responsible for their
safety.
Children should be supervised to ensure that they do not
play with the equipment.
The manufacturer will not be responsible for any injury or
property damage arising from improper supervision, 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 supervision, installation, adjustment, servicing,
maintenance 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
supervision or training may result in product damage,
property damage, personal injury or death.
WARNING
© 2024
www.daikincomfort.com
19001 Kermier Rd., Waller, TX 77484
P/N: IOD-4053A Date: October 2024
DO NOT BYPASS SAFETY DEVICES.
RECOGNIZE SYMBOL THIS
AS A SAFETY PRECAUTION
NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN
ARE SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS EQUIPMENT IS ONLY APPROVED FOR USE WITH R-32
REFRIGERANT.
1 Important Safety Instructions .................................... 2
2 Shipping Inspection .................................................... 3
2.1 Parts ....................................................................... 3
2.2 Handling ................................................................. 3
2.3 Shipping Material Removal..................................... 3
3 Codes & Regulations ................................................. 3
4 Replacement Parts ..................................................... 3
5 Pre-Installation Considerations ............................... 4
5.1 Preparation ............................................................. 4
5.2 System Matches ..................................................... 4
5.3 Interconnecting Tubing ........................................... 4
5.4 Clearances ............................................................. 4
5.5 Horizontal Applications ........................................... 4
5.6 Access .................................................................... 4
6 Installation Location ................................................... 4
6.1 Upflow and Downflow Installation ........................... 5
6.2 Horizontal Left Installation ...................................... 5
from upflow to horizontal left ......................................... 6
6.3 Horizontal Right Installation .................................... 6
6.4 Humid Environment Installations ............................ 6
6.5 Altitude Adjustment Factor ..................................... 6
7 Refrigerant Lines ........................................................ 8
7.1 Tubing Size/Length ................................................. 8
7.2 Tubing Preparation ................................................. 8
7.3 Brazing ................................................................... 8
7.4 Tubing Connections ................................................ 9
vacuum) ........................................................................ 9
7.6 Deep Vacuum Method ............................................. 9
7.7 Leak Detection Methods ........................................ 10
8 Condensate Drain Lines ........................................... 11
9 Ductwork .................................................................... 12
WARNING
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Summary of Contents for Daikin DMVT P1300 Series

  • Page 1: Table Of Contents

    DMVT***P1300** © 2024 AIR HANDLERS INSTALLATION & www.daikincomfort.com OPERATING INSTRUCTIONS 19001 Kermier Rd., Waller, TX 77484 P/N: IOD-4053A Date: October 2024 WARNING DO NOT BYPASS SAFETY DEVICES. RECOGNIZE SYMBOL THIS AS A SAFETY PRECAUTION NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE NOTE: THIS EQUIPMENT IS ONLY APPROVED FOR USE WITH R-32 REFRIGERANT.

  • Page 2: Important Safety Instructions

    15.3 Fault Recall............23 necting the ground lug in the unit control box to the build- 16 Fully Communicating Daikin System ....23 ing electrical service panel. Other methods of grounding are permitted if performed in accordance with the National 16.1 Overview..............

  • Page 3: Shipping Inspection

    2 Shipping Inspection Always transport the unit upright; laying the unit on its side or top during transit may cause equipment damage. The installer should inspect the product upon receipt for shipping damage and subsequent investigation is the responsibility of the carrier. The installer must verify the model number, specifications, electrical characteristics, and accessories are correct prior to installation.

  • Page 4: Pre-Installation Considerations

    5 Pre-Installation Considerations The unit clearance from a combustible surface may be 0”. However, service clearance must take precedence. A minimum of 24” in front of the unit for service clearance 5.1 Preparation is required. Additional clearance on one side or top will Keep this document with the unit.

  • Page 5: Upflow And Downflow Installation

    6.1 Upflow and Downflow Installation Drain Port Plug Kit (Figure 3 & 4) Kit Number Description Application 1. Remove blower access panel, coil access panel, DPK1 Side Drain Port Plug All Models and tubing access panel as shown in figure 11 & 12. The coil access panel and tubing panel may remain Table 1 screwed together during this procedure.

  • Page 6: Instruction To Relocate Sensor Bracket Assembly From Upflow To Horizontal Left

    6.2.1 Instruction to relocate Sensor bracket 6.4 Humid Environment Installations NOTE: Each service kit mentioned in this instruction assembly from Upflow to Horizontal left 1. Take off the blower access panel is available through your local distributor. The kits are not supplied with the air handler and must be used 2.
  • Page 7 Height in meters Height in feet Altitude Adjustment Factor (AF) At sea level At sea level 1.00 1~200 1~660 1.02 200~400 660~1320 1.03 400~600 1320~1970 1.05 600~800 1970~2630 1.07 800~1000 2630~3290 1.09 1000~1200 3290~3940 1.11 1200~1400 3940~4600 1.13 1400~1600 4600~5250 1.15 1600~1800 5250~5910...

  • Page 8: Refrigerant Lines

    7 Refrigerant Lines The indoor equipment and pipes must be securely mounted and guarded such that accidental rupture of equipment WARNING cannot occur from such events as moving furniture or reconstruction activities. Field-made refrigerant joints DO NOT USE MEANS TO ACCELERATE THE DEFROSTING indoors shall be tightness tested.

  • Page 9: Tubing Connections

    1. Safely remove refrigerant following local and national 7.5 Standing Pressure Test (Recommended before regulations; vacuum) 2. Evacuate; 3. Purge the circuit with inert gas; Using dry nitrogen or dry helium, pressurize the system 4. Evacuate; to the Maximum Allowable Pressure as listed in the serial 5.

  • Page 10: Leak Detection Methods

    7.7 Leak detection methods Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used. If a leak is suspected, all naked flames shall be removed/extinguished.

  • Page 11: Condensate Drain Lines

    Exploded View of External Part Terminology for Access Panel Configuration for Downflow or Downflow Horizontal Right Figure 12 Figure 10 Figure 10 8 Condensate Drain Lines The coil drain pan has a primary and a secondary drain with 3/4” NPT female connections. The connectors required are 3/4”...

  • Page 12: Ductwork

    IMPORTANT NOTE: The evaporator coil is fabricated CAUTION with oils that may dissolve styrofoam and certain types of plastics. Therefore, a removal pump or float switch IF SECONDARY DRAIN IS NOT INSTALLED, THE SECONDARY must not contain any of these materials. ACCESS MUST BE PLUGGED.

  • Page 13: Return Air Filters

    DO NOT LOCATE THE RETURN DUCTWORK IN NOTE: The Temperature Rise Tables can also be AN AREA THAT CAN INTRODUCE TOXIC, OR used to estimate the air handler airflow delivery. OBJECTIONABLE FUMES/ODORS INTO THE When using these tables for this purpose set the DUCTWORK.

  • Page 14: Electrical And Control Wiring

    4. For Electric heat refer to the installation manual provided with the electric heat kit for the correct installation procedure 5. Assembly bracket at original location with 2 screws at bottom and 2 screws at front of the control desk 6.

  • Page 15: Building Electrical Service Inspection

    12.1 Building Electrical Service Inspection Knockouts are provided on the air handler top panel and DO NOT OPERATE THIS UNIT ON A THREE-PHASE sides of the cabinet to allow for the entry of the supply POWER SUPPLY, ONLY A THREE-PHASE HEAT KIT CAN voltage conductors, as shown in Figure 17.

  • Page 16: Low Voltage Connections

    12.5 Low Voltage Connections The air handler’s integrated control module provides Several combinations of low voltage schemes are possible, terminals for “Y1” and “Y2” and “W1” and “W2” thermostat depending on the presence of a heat kit and whether the connections.

  • Page 17: Accessory Installations

    The optional usage of a dehumidistat allows the air Typical Single-Stage Cool, Place Jumper Between Y1 Single-Stage Heat Thermostat handler’s circulator blower to operate at a slightly lower and O for Proper Dehumidification Operation speed during a combined thermostat call for cooling and and Proper Ramping R C G dehumidistat call for dehumidification.
  • Page 18 Legacy Mode Use Motor Orientation In a legacy system (Non-communicating), this feature is If the unit is in the upflow position, there is no need to not operational. Any auxiliary alarm switch must be used to rotate the motor. If the unit is in the downflow position, interrupt the Y1 signal either to the indoor or outdoor unit.
  • Page 19 2. Determine the proper airflow for the cooling system. Tap A Tap B Tap C Tap D* Most cooling systems are designed to work with airflows between 350 and 450 CFM per ton. Most manufacturers recommend an airflow of about 400 CFM per ton.
  • Page 20 24VAC Auxiliary Alarms FUSE Seven Segment Green CFM LED Dip Switches Motor Orientation - Communicating Board • Profile D ramps up to 50% of the demand Tap A* Tap B Tap C Tap D for 1/2 minute, then ramps to 82% of the full cooling demand airflow and operates there for approximately 7 1/2 minutes.

  • Page 21: Troubleshooting

    Electric Heating Airflow Table. Configuring the dip switches and resetting power to the unit will clear the error code. Within the Daikin communicating thermostat user menu, will display 20 kW for OFF-OFF-ON dip switch selection and 21 kW for OFF-OFF-OFF dip switch selection.

  • Page 22: Airflow Label

    Airflow Label Speed Selection Dip Switches Cooling/Heat Pump Airflow Table Cool Adjust Profile Continuous Model Low Stage Cool High Stage Cool Selection Selection Selection Switches Switches Switches Speed DMVT24BP13* DMVT30BP13* 1050 DMVT36BP13* Profiles Pre-Run Short-Run OFF Delay DMVT36CP13* 1125 ------ ------ 60 sec/100% 1200...

  • Page 23: Fault Recall

    Communicating compatible air handler and air conditioner low stage cooling airflow demand to the ECM motor. The or heat pump with a Daikin Communicating thermostat. ECM motor then delivers the low stage cooling airflow. See Any other system configurations are considered invalid...

  • Page 24: Control Wiring

    These advanced features are organized into a menu structure. 16.3 Control Wiring If you are using a Daikin One+ Smart Thermostat, please NOTE: Refer to section Electrical Connections for visit website at https://www.daikinone.com for instructions. 208/230 volt line connections to the air handler.

  • Page 25: System Troubleshooting

    16.5.2 System Troubleshooting The following information for the indoor unit should be NOTE: Refer to the instructions accompanying the verified before attempting to charge system or adjust TXV if Communicating compatible outdoor AC/HP unit for necessary. troubleshooting information. 1. Total static pressure is .5” WC or less. 2.

  • Page 26: Regular Maintenance

    Superheat Adjustments (Only if necessary) SUBCOOL FORMULA = SAT. LIQUID LINE TEMP. - LIQUID LINE TEMP. 1. Attach a pipe clamp thermometer near the suction line SUPERHEAT FORMULA = service valve at the outdoor unit. a. Ensure the thermometer makes adequate contact SUCT.
  • Page 27 Operation: When refrigerant is detected, the RDS shall LEAK DETECTION SYSTEM INSTALLED. UNIT MUST BE send signals for the unit to perform these actions: POWERED EXCEPT FOR SERVICE. 1. Turn off the heating and cooling operation RED LED'S STATUS (REFER I/O FOR RECOMMENDED 2.
  • Page 28 RED LED'S STATUS MODE Definition LED Flashing Pattern Recommended actions Notes: Slow LED flashing pattern Normal Operation No faults to report No action (2 seconds on and 2 seconds off) R32 leak is The controls and sensor are working R32 Leak Alarm currently being Fast LED Flashing Pattern properly.

  • Page 29: Communications Troubleshooting Chart

    19 Troubleshooting Chart Communications Troubleshooting Chart Indication Possible Causes Corrective Action(s) Notes & Cautions Status Normal condition None None None 1 Flash Communications Communications Depress Learn Button Depress once Failure Failure quickly for a power- Verify that bus BIAS and TERM up reset dipswitches are in the Depress and hold...
  • Page 30 19 Troubleshooting Chart Air Handler Advanced Features Menu DIAGNOSTICS Submenu Item Indication/User Modifiable Options Comments Fault 1 (FAULT #1) Most recent air handler fault For display only Fault 2 (FAULT #2) Next most recent air handler fault For display only Fault 3 (FAULT #3) Next most recent air handler fault For display only...
  • Page 31 19 Troubleshooting Chart 19 Troubleshooting Chart...
  • Page 32 19 Troubleshooting Chart 19 Troubleshooting Chart...
  • Page 33 19 Troubleshooting Chart 19 Troubleshooting Chart...
  • Page 34 19 Troubleshooting Chart...

  • Page 35: Diagnostic Codes

    20 Diagnostic Codes 7 SEGMENT LED (characters will DESCRIPTION OF CONDITION alternate) (no display) INTERNAL CONTROL FAULT / NO POWER HEATER KIT DIP SWITCHES NOT SET PROPERLY NO HTR KIT INSTALLED - SYSTEM CALLING FOR AUXILIARY HEAT SHARED DATA BLOWER MOTOR OPERATING IN POWER, TEMP., OR SPEED LIMIT BLOWER MOTOR CURRENT TRIP OR LOST ROTOR OVER/UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP INCOMPLETE PARAMETER SENT TO MOTOR...

  • Page 36: Wiring Diagram

    21 Wiring Diagram HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH INPUT VOLTAGE REF PCB 208 ~ 240V NOT USED 1 PHASE EEV_IN EEV_OUT...
  • Page 37 21 Wiring Diagram 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 38: Air Handler

    AIR HANDLER AIR HANDLER HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS Replace or Clean Filter UV-C part Numbers Models Lamp IMPORTANT NOTE: Never operate unit without a filter UC18S 15-24 UCP-16013 installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and UC18S15-24B UCP-16012 possible fire.
  • Page 39 HOMEOWNER SUPPORT to aluminum tube and fin evaporator coils. Even a one- DAIKIN COMFORT TECHNOLOGIES time application of these corrosive chemicals can cause MANUFACTURING, L.P. premature aluminum evaporator coil failure. Any cleaners...

  • Page 40: Start-Up Checklist

    22 Start-Up Checklist 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 44 CUSTOMER FEEDBACK Daikin Comfort Technologies 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.

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