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Summary of Contents for Daikin SMARTSOURCE WSLV Series
- Page 1 INSTALLATION & MAINTENANCE MANUAL IM 1375 NOVEMBER 2024 SMARTSOURCE ® LARGE CAPACITY VERTICAL WATER SOURCE HEAT PUMP • MODEL WSLV • UNIT SIZES 072 - 300 (6 TO 25 TONS) • R-32 REFRIGERANT LEARN MORE AT DAIKINAPPLIED.COM ©2024 DAIKIN APPLIED | (800) 432.1342...
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Page 2: Table Of Contents
©2024 Daikin Applied, Minneapolis, MN. All rights reserved throughout the world.This document contains the most current product information as of this printing. Daikin Applied Americas Inc. has the right to change the information, design, and construction of the product represented within the document without prior notice. -
Page 3: Safety Information
Safety Information WARNING This Installation and Maintenance bulletin is intended to provide the proper procedures for installing a Daikin Applied Water Source Heat Pump. Failure to Hazard Identification follow these procedures can cause property damage, severe personal injury, or death. Additionally, failure to follow these procedures can cause premature... -
Page 4: Ul Compliance Statements For Unit Work
Polyolester Oil, commonly known as POE oil is a synthetic oil used in many any sources of ignition in such a manner that it may lead refrigeration systems, and may be present in this Daikin Applied product. POE to the risk of fire or explosion. All possible ignition sources,... -
Page 5: Introduction
INTRODUCTION Introduction Model Nomenclature 11-12 20 21-22 23 Code Position Code Category Description Product Category Water Source Heat Pump Model Type SmartSource Large Capacity Configuration Vertical 72,000 BtuH Nominal Cooling 96,000 BtuH Nominal Cooling 120,000 BtuH Nominal Cooling Nominal Capacity 200,000 BtuH Nominal Cooling 240,000 BtuH Nominal Cooling 300,000 BtuH Nominal Cooling... - Page 6 4 Year Extended Refrigerant Circuit Parts Warranty with 1st Year Labor Allowance 4 Year Extended Complete Unit Parts Warranty with 1st Year Labor Allowance First Year Labor Allowance 4 Year Extended Complete Unit Parts Warranty with Labor Allowance DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
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Page 7: Installation
(5) days of the delivery date and file a claim with the This is not for continuous operation. It is assumed that such a start-up is for the form provided by Daikin Applied. Refer to the Daikin Applied Freight Policy for purpose of bringing the building space up to occupancy temperature. -
Page 8: Antifreeze Correction Factors
Methanol Cooling Capacity 0 .998 0 .972 Heating Capacity 0 .995 0 .970 Pressure Drop 1 .023 1 .057 NOTE: Higher percentage mixtures of ethanol and methanol are not recommended due to increased flammability. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 9: Fan Deck Arrangements
INSTALLATION Figure 1: Service Clearances Figure 2: Fan Deck Arrangements Motor Rear (or Top) Front (or Top) Front (or Top) Rear (or Top) Discharge Discharge Discharge Discharge Right-Hand Piping Right-Hand Piping Left-Hand Piping Left-Hand Piping (Upblast-Rear) (Upblast-Front) (Upblast-Front) (Upblast & Rear) NOTE 1: A 12"... -
Page 10: Vibration Isolators
2 . Loosen setscrews “Y” in moving flanges and pull out key “E”. (This key projects a small amount to provide a grip for removing). 3 . Rotate both movable flanges inward until they touch the center flange. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 11 INSTALLATION 4 . Open each movable flange until its notch is adjacent to the Figure 8: Drive Belt Adjustment notch on the center flange. Be certain that neither movable flange is opened more than one full turn. 5 . Open each movable flange the same number of full or half turns until the desired number of turns is obtained.
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Page 12: Factory Mounted Variable Frequency Drive (Vfd)
The discharge duct system will normally consist of a flexible connector, a transition piece to the final duct size, a short run of duct, an elbow without vanes and a trunk duct tee’d into branch DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 13 INSTALLATION Figure 10: Suggested Supply Ducting per ASHRAE and SMACNA Publications NOTE 1: Transformations to supply duct have maximum slope of 1” to 7”. NOTE 2: Square elbows with double thickness vanes may be substituted. NOTE 3: Do not install ducts so that the air flow is counter to fan rotation. If necessary, turn fan deck assembly and motor. NOTE 4: Transformations and units shall be adequately supported so no weight is on the flexible connection.
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Page 14: Water Piping
Polyolester Oil, commonly known as POE oil is a synthetic oil used in many refrigeration systems, and may be present in this Daikin Applied product. POE oil, if ever in contact with PVC/CPVC will coat the inside wall of PVC/CPVC pipe causing environmental stress fractures. - Page 15 INSTALLATION 1 . Each water source heat pump is provided with a 3/4” FPT flush mount fitting for connection of a condensate drain. A complete steel or copper condensate system can be used. Steel or copper condensate piping should be insulated to prevent sweating.
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Page 16: Dimensional Drawings
7/8" 80 .4" 30 .0" 67 .0" 2 .0" 8 .0" 5 .75" 16 .34" 5 .75" 1 .25" 26 .0" 1 .5" 20 .0" 1 .75" 10 .0" 1 .75" 2 .0" 7/8" DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 17 INSTALLATION Figure 15: WSLV Discharge Air Dimensions VERTICAL UPBLAST FRONT DISCHARGE HORIZONTAL DISCHARGE SIZES 072–120 COIL VERTICAL UPBLAST FRONT DISCHARGE HORIZONTAL DISCHARGE SIZES 200–300 Table 6: WSLV Discharge Air Dimensions Vertical Discharge Offset Horizontal Discharge Offset Blower Discharge Vertical Upblast Front Straight Discharge Opening Unit Size...
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Page 18: Typical Piping With Optional Waterside Economizer
Unit Size Width Depth Height Front Offset 54 .90" 9 .0" 32 .67" 23 .25" 55 .92" 28 .10" 2 .84" 80 .63" 16 .0" 41 .93" 25 .24" 67 .17" 30 .125" 5 .16" DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 19 INSTALLATION Figure 18: WSLV Unit Dimensions - Connections & Condensate Drain LEFT HAND UNIT RIGHT HAND UNIT Table 8: WSLV Unit Dimensions - Connections & Condensate Drain Watersize Economizer / Hydronic Heating Connections 7/8" FPT Condensate Drain Supply Return Unit Connection Size Left Hand...
- Page 20 NOTE: Dimensions are to outside edge of filter rack flange. 51 .94" 32 .67" 1 .14" 2 .29" 4 .29" 49 .69" 1 .04" 74 .66" 40 .14" 1 .14" 2 .29" 4 .32" 74 .0" 0 .97" DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 21 INSTALLATION Typical WSE Field Provided and Installed Typical WSE Field Provided and Installed Jumper Piping Routing Details – WSLV – Jumper Piping Routing Details – WSLV – Sizes 072-120, Right-Hand Sizes 200-300, Right-Hand Top View REDUCER NEEDED TO 1-5/8" O.D. WSE RETURN WHEN ENTERING THE WSE.
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Page 22: Water System Quality
80°F (27°C) water. 5 . Refill the system with clean water. Test the water using litmus paper for acidity, and treat as required to leave the water slightly alkaline (pH 7.5 to 8.5). The specified DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 23 INSTALLATION percentage of antifreeze may also be added at this time. Use commercial grade antifreeze designed for HVAC systems only. Do not use automotive grade antifreeze. Once the system has been filled with clean water and antifreeze (if used), precautions should be taken to protect the system from dirty water conditions.
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Page 24: Field Installed Accessories
Top Duct Collar Center Support Top Filter Rack Chassis Side Flanges Center Filter Racks Door End Duct Collar Side Figure 23: Field-Installed Accessory 2” Deep Filter Rack Kit with Return Air Duct Flange – Sizes 200-300 DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 25: Electrical Data
ELECTRICAL DATA Electrical Data Three-Phase Line Voltage (208-230, 460, 575V) WARNING DANGER All field installed wiring must comply with local and national electrical codes. LOCKOUT/TAGOUT all power sources prior to wiring or servicing the unit. This equipment presents hazards of electricity, rotating parts, sharp edges, Hazardous voltage can cause serious injury or death. -
Page 26: Temperature Sensors Applications
Figure 27: Wiring Example of Typical Heat/Cool Thermostat Connections MicroTech Controller Terminals TB1 Y1 W2 Y2 Typical Heat/Cool Thermostat NOTE: For single stage operation wire Y1 from thermostat to Y2 terminal on the MicroTech control board. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 27 ELECTRICAL DATA Figure 28: Wiring Example for Two-Stage Thermostat with Figure 30: Return Air Temperature Sensor (RAT) Locations Electrical Heat and Hot Gas Reheat MicroTech Controller I/O Expansion Terminals TB1 Module TB2 Y1 Y2 W1 W2 Three-Stage Cooling/Two-Stage Heating Humidistat Thermostat NOTE: Image shown above does not reflect actual unit configuration.
- Page 28 NOTE: Analog humidity sensors are intended to be used in conjunction with a building management system to allow monitoring of relative humidity levels and adjustment of relative humidity setpoints for dehumidification. For standalone controller applications, a humidistat is recommended. DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
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Page 29: Typical Wiring Diagrams
ELECTRICAL DATA Typical Wiring Diagrams MicroTech Unit Controller with I/O Expansion with WSE WWW.DAIKINAPPLIED.COM IM 1375... - Page 30 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion with WSE, Cont . DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 31 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion with WSE, HGRH, Phase Monitor, A2L Mitigation WWW.DAIKINAPPLIED.COM IM 1375...
- Page 32 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion with WSE, HGRH, Phase Monitor, A2L Mitigation, Cont . DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 33 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, HGRH and VFD WWW.DAIKINAPPLIED.COM IM 1375...
- Page 34 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, HGRH and VFD, Cont . DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 35 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, WSE, HGRH, VFD and Phase Monitor WWW.DAIKINAPPLIED.COM IM 1375...
- Page 36 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, WSE, HGRH, VFD and Phase Monitor, Cont . DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
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Page 37: Operation
OPERATION Operation Check As Completed: NOTICE Start-Up To prevent compressor cycling and all compressors from starting up together after loss of power, the required minimum on/off time default is 300 seconds plus the random restart of 0 to 60 seconds. CAUTION □... -
Page 38: Controls
Digital Comp1 High Pressure H7-3,4 Input Digital Comp1 Low Pressure TB1-1 Output 24 VAC Thermostat 24 VAC Power TB1-2 Input 24 VAC Thermostat Heat Stage 2 TB1-3 Input 24 VAC Thermostat Heat Stage 1 DAIKIN APPLIED LARGE CAP VERTICAL WSHP... - Page 39 OPERATION Connector Type Signal Description Connector Type Signal Description TB1-4 Input 24 VAC Thermostat Cool Stage 2 H6-7 Common Auxiliary Heat 1 / Hydronic Heat TB1-5 Input 24 VAC Thermostat Cool Stage 1 H6-8 AUX1 Output 24 VAC TB1-6 Input 24 VAC Thermostat Fan TB1-1...
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Page 40: Configuration Dip Switches
Figure 39: Location of Configuration DIP Switches on the help prevent damage during service, use static discharge wrist straps. Static MT2310 I/O Expansion Module discharge wrist straps are grounded to the heat pump chassis through a 1M ohm resistor. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 41: Microtech Smartsource Unit Controller
The MicroTech SmartSource unit controller allows thermostat, 6 Flash Fault Compressor #2 Low Pressure Daikin Applied sensor and DDC standalone operation. The R (24VAC) terminal is used to operate thermostat inputs G, Y1, Y2, Compressor #2 Suction Temp Sensor 7 Flash Fault W1, W2, W3, W4 and TB1. - Page 42 Failure position Incorrect Software Part Incompatible Software or Version Numbers Base & IO Exp Appli- cation Mismatch or Invalid Configuration MT2310 detected but not required (SW #8) A2L refrigerant leak A2L Alarm detected DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
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Page 43: Microtech Unit Controller Led Faults
OPERATION Invalid Configuration Table 21: I/O Expansion Module Configuration Switch Cool Cool Heat Heat LED Activity Type Color Description Switch Switch Switch Speed Stage Stage Stage Stage Only 1 Flash Fault R-Y-G Invalid Configuration • Verify configuration switch settings on both the main board 100% 100% and I/O expansion board. -
Page 44: And Remedy
MT6210 mitigation controller is present, 5VDC is not detected at H1-5 but 12VDC is detected at H1-3 12V_A2L input. Check connection at this terminal. • The fan will be forced to run at High Speed in this condition. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 45: Microtech Unit Controller With An Optional
Mode Green Call for Dehumidification Daikin Applied water source heat pumps are available with an optional BACnet MS/TP communication module that is designed • Unit is operating normal. It may currently have a control to communicate over a BACnet MS/TP communications network signal or ready to operate when a control signal is active. - Page 46 • Room sensor with LED status, timed-override button, 55°F to 95°F setpoint adjustment • Room sensor with digital display, timed override button, occupancy button; ±5°F setpoint adjustment or 55°F to 95°F temperature setpoint and dehumidification control DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
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Page 47: Maintenance
Because a water source heat pump operates under a wide range of water and air temperatures, the values printed below are to be taken as suggested pressure and temperatures. All Daikin Applied water source heat pumps are designed for commercial use. The units are designed for the cooling mode of operation and fail safe to cooling. -
Page 48: Troubleshooting
• Check wiring - loose or broken and check for bad connection. • High or Low pressure lockout a . Cool mode, check water flow b . Heating mode, check air flow c. Check reversing valve for proper valve position DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 49: Refrigerant Information
REfRIGERANT INfORMATION Refrigerant Information NOTICE Refer to Table 25 for the altitude adjusted room area calculation referenced later in this manual. Refrigerant Guidelines The indoor equipment mitigation requirements are calculated at sea level. For higher altitudes, adjust the minimum room area WARNING specified on or near the serial plate by the corresponding altitude This unit contains R-32, a class A2L refrigerant that is... -
Page 50: Competence Of Personnel
• Discharge capacitors in a way that won’t cause any spark. WARNING The standard procedure to short circuit the capacitor Only auxiliary devices approved by Daikin Applied or declared suitable for terminals usually creates sparks. installation with R-32 shall be installed in the connecting ductwork. -
Page 51: Leak Detection
REfRIGERANT INfORMATION — Purge the braze point with nitrogen during the brazing • More than 5 seconds and less than 10 seconds: procedure. The RDS control board starts a mitigation test. The board — Carry out a leak test before charging with refrigerant. will go into alarm mode and the MT6210 controller will begin the mitigation sequence. -
Page 52: Handling And Storage
For equipment containing flammable refrigerants, the • Ensure that the refrigerating system is earthed prior to system shall be purged with oxygen-free nitrogen to render charging the system with refrigerant. DAIKIN APPLIED LARGE CAP VERTICAL WSHP... -
Page 53: Recovery Procedure
REfRIGERANT INfORMATION • Label the system when charging is complete (if not already). refrigerant release. Consult manufacturer if in doubt. • Extreme care shall be taken not to overfill the refrigerating The recovered refrigerant shall be returned to the refrigerant system. - Page 54 . evacuate the refrigerant circuit; iii . purge the refrigerant circuit with nitrogen gas for 5 minutes; iv. evacuate again; v. if compressors are to be removed, cut out the compressor and drain the oil. DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 55 REfRIGERANT INfORMATION Typical Cooling Refrigeration Cycle – Dual (coaxial heat exchanger). Compressors There, the heat is removed by the water, and the hot gas condenses to become a liquid. The liquid then flows through a NOTICE thermal expansion valve to the air-to-refrigerant heat exchanger coil (evaporator).
- Page 56 30° Typical 100° LAT Difference Condenser Reversing Valve 70° EAT Thermal Expansion Valve Compressor Evaporator Reversing Valve Thermal Expansion Valve Water Return Typical Heating Mode ∆T = 8° to 10° Difference Water Supply Compressor DAIKIN APPLIED LARGE CAP VERTICAL WSHP...
- Page 57 REfRIGERANT INfORMATION Typical Hot Gas Reheat Refrigeration exchanger (coaxial heat exchanger). There, the heat is removed by the water, and the hot gas condenses to become a liquid. Cycle – Dual Compressors The liquid then flows through a thermal expansion valve to the air-to-refrigerant heat exchanger coil (evaporator).
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Page 58: Appendix
Note: “No” answers below require notice to installer by memorandum (attached copy.) □ □ Outdoor Air to Heat Pumps: ________________________________________________________________ □ □ Other Conditions Found: ___________________________________________________________________ _______________________________________________________________________________________ Please include any suggestions or comments for Daikin Applied: ___________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ Above System is in Proper Working Order For Internal Use Note: This form must be retained. -
Page 59: Equipment Data
Job Name ___________________________________________________ Check Test Date: __________________________ City __________________________________________________________ State _______________ Zip ______________ Daikin Model # _______________________________________________ Daikin Serial # ________________________________ Job site Unit ID # (HP #) __________________________ General Contractor: ______________________________ Mechanical Contractor: __________________________ Technician Performing Start-Up: Name _______________________ Employer: __________________________ Complete equipment data from measurements taken at the locatons indicated on the drawing below. -
Page 60: Commercial Check, Test And Start Worksheet
APPENDIx Commercial Check, Test and Start Worksheet (Complete all equipment measurements indicated for each unit per installation on page 2) Check Amps Comments Model Serial # H.P. # Volts Air Filter Cooling and Coil (more comments on back) Form 5F-4239 (Rev. 03/2024) WWW.DAIKINAPPLIED.COM IM 1375... -
Page 61: Notes / Comments
APPENDIx Notes / Comments © 2024 Daikin Applied • www.DaikinApplied.com • (800) 432–1342 Form 5F-4239 (Rev. 03/2024) WWW.DAIKINAPPLIED.COM IM 1375... -
Page 62: Limited Product Warranty
(collectively “Owner”) that, subject to the exclusions set forth below Company, at its option, will repair or replace defective parts in the event any product manufactured by Company, including products sold under the brand name Daikin and used in the United States or Canada, proves defective in material or workmanship within twelve (12) months from initial startup or eighteen (18) months from the date shipped by Company, whichever occurs first. - Page 63 APPENDIx Notes / Comments WWW.DAIKINAPPLIED.COM IM 1375...
- Page 64 1 - 8 0 0 - 4 3 2 - 1 3 4 2 | 7 6 3 - 5 5 3 - 5 3 3 0 LEARN MORE AT DAIKINAPPLIED.COM PART NUMBER: IM1375 © 2024 DAIKIN APPLIED | (800) 432.1342 | WWW.DAIKINAPPLIED.COM...
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