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Summary of Contents for Daikin SMARTSOURCE CCH Series
- Page 1 INSTALLATION & MAINTENANCE MANUAL IM 1376 NOVEMBER 2024 SMARTSOURCE ® LARGE CAPACITY HORIZONTAL WATER SOURCE HEAT PUMP • MODEL WSLH • UNIT SIZES 072 - 120 (6 TO 10 TONS) • R-32 REFRIGERANT LEARN MORE AT DAIKINAPPLIED.COM ©2024 DAIKIN APPLIED | (800) 432.1342...
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Page 2: Table Of Contents
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . 24 ©2024 Daikin Applied, Minneapolis, MN. All rights reserved throughout the world. This document contains the most current product information as of this printing. -
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 risk of ignition is minimized and “No Smoking” signs shall be refrigeration systems, and may be present in this Daikin Applied product. POE displayed. oil, if ever in contact with PVC/CPVC, will coat the inside wall of PVC/CPVC •... -
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 Horizontal 72,000 BtuH Nominal Cooling Nominal Capacity 96,000 BtuH Nominal Cooling 120,000 BtuH Nominal Cooling 208-230/60/3 Voltage 460/60/3... - 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 HORIZONTAL WSHP...
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Page 7: Installation
Ambient Air All units should be carefully inspected for damage when received. Report all Maximum 100°F/77°F 100°F/77°F 85°F (29°C) 85°F (29°C) loss or shipping damage using a claim form supplied by Daikin Applied. Ambient Air (38°C/25°C) (38°C/25°C) Minimum 65°F/55°F 65°F/55°F VISIBLE LOSS OR DAMAGE: Any external evidence of loss or damage 50°F (10°C) -
Page 8: Antifreeze Correction Factors
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 HORIZONTAL WSHP... - Page 9 INSTALLATION Estimated Time: 1 Hour 8 . Rotate the motor and motor plate over end for end 180º putting the fan motor shaft on the opposite side of the DANGER blower housing. Reposition the nuts, bolts and washers that hold the motor plate and motor, leaving the adjustable Hazardous Voltage! Disconnect all electric power including remote disconnects nuts (C) loose for readjustment.
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Page 10: Unit Location
Frame Flange Flange Size 2" 4" Width Height Width Height 2 .20" 4 .20" 56 .53" 28 .82" 55 .10" 26 .65" (56 mm) (107 mm) (1436 mm) (732 mm) (1400 mm) (677 mm) DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 11: Air Balancing
Comp. Assembly 42" (1067 mm) 44" Comp. (1118 mm) Control Coil By Daikin Applied By Others 2" Airflow (51 mm) 80" (2032 mm) 5/8" Threaded Rod (By Others) 82" (2082 mm) 2 . Adjust sheave pitch diameter for desired speed by opening Air Balancing moving parts by half or full turns from closed position. -
Page 12: Factory Mounted Variable Frequency Drive (Vfd)
For Hotel, Motel, Dormitory or Nursing Home applications that use a single duct discharge, a velocity of 500 to 600 fpm is suggested. These applications typically have static pressures as DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... - Page 13 INSTALLATION low as 0.05 inches of water and duct lengths approximately six Do not use sheet metal screws directly into the unit cabinet for feet in length. The discharge duct must be fully lined and have connection of supply or return air ductwork, especially return a square elbow without turning vanes.
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Page 14: Ventilation Air
Simple introduction of loop. Check for proper water balance by measuring the outside air into each return air plenum chamber reasonably DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... - Page 15 Polyolester Oil, commonly known as POE oil is a synthetic oil used in many condensate system can also be used. Union fittings in the refrigeration systems, and may be present in this Daikin Applied product. POE steel or copper lines should be applied to facilitate removal.
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Page 16: Typical Wse Field Provided And Installed
NOTE 4: Salt water applications (approx. 25,000 ppm) require secondary heat exchangers due to copper piping between the heat exchanger and the unit fittings. DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 17: Cleaning & Flushing System
INSTALLATION Cleaning & Flushing system Use commercial grade antifreeze designed for HVAC systems only. Do not use automotive grade antifreeze. 1 . Prior to first operation of any conditioner, the water Once the system has been filled with clean water and circulating system must be cleaned and flushed of all antifreeze (if used), precautions should be taken to protect construction dirt and debris. - Page 18 1 .0" 4 .50" 6 .88" 18 .5" 6 .88" 0.875" ODM *0 .25" 4 .38" 62 .0" 8 .90" 30 .17" NOTE: * Condensate connection dimension “D” is below unit dimensional drawing reference point DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
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Page 19: Field Installed Accessories
fIELD INSTALLED ACCESSORIES Field Installed Accessories Figure 19: 2-Way Motorized Valve Wiring to MT2300 Controller 2-Way Motorized Isolation Valve Figure 17: 2-Way Motorized Isolation Valve Compressor Contactor #1 Used in variable pumping type applications, the valve ac tuator is wired and typically piped in the return water line. The 2-way Motorized Valve motorized water valve kit includes the valve body, actuator and Actuator... -
Page 20: Electrical Data
More than one disconnect may be required MT2300 MT2300 PART# 910384405 PART# 910384405 W2 W1 W1 Y2 Y2 Y1 Y1 G G LED FM FM SP SP RM RM GND to de-energize the unit. DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 21: Temperature Sensors Applications
ELECTRICAL DATA Figure 22: Terminal Connections TB1 (Thermostat Control) Figure 24: Wiring Example of Typical Heat/Cool Thermostat and TB2 (Sensor Control) on the MicroTech Board Connections MicroTech Controller R R W2 W2 W1 W1 Y2 Y2 Y1 Y1 G G LED FM FM SP SP RM... - Page 22 Figure 27: Return Air Temperature Sensor (RAT) locations Figure 30: Room Sensor with Temperature Adjustment Wiring MicroTech Controller Terminals TB2 Room Sensor with Temperature Adjustment NOTE: Image shown above does not reflect actual unit configuration. DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
- Page 23 ELECTRICAL DATA Figure 31: Digitally Adjustable Room Temperature Sensor Figure 33: Analog Humidity Sensor Wiring Wiring I/O Expansion MicroTech MicroTech MicroTech Module TB1 Controller Controller Controller Terminals TB1 Terminals TB2 Terminals TB3 Y1 Y2 W1 W2 Digitally Adjustable Room Temperature Sensor Figure 32: Digitally Adjustable Room Temperature and Humidity Sensor Wiring VOUT...
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Page 24: Typical Wiring Diagrams
ELECTRICAL DATA Typical Wiring Diagrams MicroTech Unit Controller with I/O Expansion with WSE DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... - Page 25 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion with WSE, Cont . WWW.DAIKINAPPLIED.COM IM 1376...
- Page 26 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, HGRH and VFD DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
- Page 27 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, HGRH and VFD, Cont . WWW.DAIKINAPPLIED.COM IM 1376...
- Page 28 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, WSE, HGRH, VFD and Phase Monitor DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
- Page 29 ELECTRICAL DATA MicroTech Unit Controller with I/O Expansion, WSE, HGRH, VFD and Phase Monitor, Cont . WWW.DAIKINAPPLIED.COM IM 1376...
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Page 30: Operation
□ Check the elevation and cleanliness of the condensate line. If the air is too dry for sufficient dehumidification, slowly pour enough water into the condensate pan to ensure proper drainage. □ If the unit does not operate, check the following points: DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 31: Controls
OPERATION — Is supply voltage to the machine compatible? Table 12: MT2300 Connector & Terminal Descriptions — Is thermostat type appropriate? Connector Type Signal Description — Is thermostat wiring correct? H1-1 24 VAC Power Control Power Voltage □ If the unit operates but stops after a brief period: H1-2 Power Ground... -
Page 32: Configuration Dip Switches
To help prevent damage during service, use static discharge wrist straps. Static discharge wrist straps are grounded to the heat pump chassis through a 1M ohm resistor. DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 33: Microtech Smartsource Unit Controller
SW10 = ON (1) Discrete Outputs) Daikin Applied sensor and DDC standalone operation. The R NOTE: The functionality of SW7 and SW8 depends on the setting of SW9. If (24VAC) terminal is used to operate thermostat inputs G, Y1, Y2, SW9 is OFF, SW7 and SW8 will be for Heating Source and I/O Expansion W1, W2, W3, W4 and TB1. - Page 34 Rapid Flash Mode Green Emergency Shutdown Comp #1 Low Pres- Compressor #1 low pres- sure sure switch opened No Call for Heating / Cooling / 1 Flash Mode Green Dehumidification DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
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Page 35: Microtech Unit Controller Led Faults
OPERATION Table 20: Fault Recovery and Reset Alarm Enumeration Fault Indication Reset Tenant (BACnet) Auto Override Network Fault Description Recover Button Reset Comp #2 Low Pres- Compressor #2 low pres- Reset sure sure switch opened Comp #1 Suction Compressor #1 suction I/O Expansion Communication Fail Temp Sensor temp sensor failure... -
Page 36: And Remedy
• Check connection of low suction temperature sensor on terminal H2 pins 3 and 4. • Check resistance of low suction temperature sensor, leaving water temperature sensor, room sensor, and return air sensor. All sensors are 10kohm thermistor at 77°F (25°C). DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 37: Microtech Unit Controller With An Optional
Unit Controller BACnet® Protocol Information No Call for Heating / Cooling / 1 Flash Mode Green Dehumidification Daikin Applied water source heat pumps are available with an 2 Flash Mode Green Call for Cooling optional BACnet MS/TP communication module that is designed... - Page 38 • 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 HORIZONTAL WSHP...
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Page 39: 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 40: 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 HORIZONTAL WSHP... -
Page 41: Refrigerant Information
REfRIGERANT INfORMATION Refrigerant Information WARNING Service on this equipment is to be performed by qualified refrigeration personnel familiar with equipment operation, maintenance, correct servicing Refrigerant Guidelines procedures, and the safety hazards inherent in this work. Causes for repeated tripping of equipment protection controls must be investigated and corrected. WARNING Disconnect all power before doing any service inside the unit. -
Page 42: Leak Detection
Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. NEVER ii . purge the circuit with inert gas; use the following when attempting to detect flammable refrigerant iii . evacuate; leaks: DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 43: Handling And Storage
REfRIGERANT INfORMATION iv. purge with inert gas; occur when using charging equipment. • Hoses or lines shall be as short as possible to minimize the v. open the circuit by cutting (if flammable refrigerant) or amount of refrigerant contained in them. brazing. - Page 44 6 . Make sure that cylinder is situated on the scale before recovery takes place. 7 . Start the recovery machine and operate in accordance with instructions. 8 . Do not overfill cylinders (no more than 80% volume liquid charge. DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP...
- Page 45 REfRIGERANT INfORMATION Typical Cooling Refrigeration Cycle – Dual (condenser). 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 46 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 HORIZONTAL WSHP...
- Page 47 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 48: 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 49: 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 50: 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) DAIKIN APPLIED LARGE CAP HORIZONTAL WSHP... -
Page 51: Notes / Comments
APPENDIx Notes / Comments © 2024 Daikin Applied • www.DaikinApplied.com • (800) 432–1342 Form 5F-4239 (Rev. 03/2024) WWW.DAIKINAPPLIED.COM IM 1376... -
Page 52: 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 53 APPENDIx Notes / Comments WWW.DAIKINAPPLIED.COM IM 1376...
- Page 54 APPENDIx Notes / Comments WWW.DAIKINAPPLIED.COM IM 1376...
- Page 55 APPENDIx Notes / Comments WWW.DAIKINAPPLIED.COM IM 1376...
- Page 56 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: IM1376 © 2024 DAIKIN APPLIED | (800) 432.1342 | WWW.DAIKINAPPLIED.COM...
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