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Table of Contents
Related Manuals for Daikin VHF
Summary of Contents for Daikin VHF
- Page 1 IM 986-11 Group: WSHP Part Number: 910258818 Date: December 2018 Vertical Stack Water Source Heat Pumps Model VHF Cabinet Model VHC Chassis (Standard Range) Model VHW Chassis (Geothermal Range) Unit Sizes 009 – 036 / R-410A Refrigerant Model VHF Model VHC/VHW...
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Page 3: Table Of Contents
Jumper Configuration Settings ....39 Model VHF & VHW – 18" × 18" Cabinet – MicroTech® III SmartSource Unit Controller ..40 Size 009-012 . - Page 4 = Water Source Heat Pump Model Type 2, 3, 4 VHC = Vertical Stacked Heat Pump Chassis VHF = Vertical Stacked Heat Pump Cabinet VHW = Vertical Stacked Geothermal Chassis only Design Series = 3rd Design = 4th Design (Sizes 015 only)
- Page 5 odel oMenClature Note: Text displayed in Bold-Italics designate standard offering. Category Code Item Code Option Code Designation & Description (Bold-Italic = Standard) Blower Motor Standard PSC EC Motor 2 Speed Fan - T'Stat Controlled 2 Speed Fan - Unit Toggle Switch 4 Position Fan Speed Selection Switch (Units with EC motor) Power &...
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Page 6: Receiving And Storage
eCeiving and torage Receiving and Storage Chassis (4 per skid) Do not stack over two skid high at any time during transporta- Upon receipt of the equipment, check the carton and pallets tion or storage. For storing, each carton is marked with “up” for visible damage. -
Page 7: Handling
General Information damage immediately to the carrier and file a claim. Daikin Vertical Stack units are designed for use in multiple floor Check the unit data plate to be sure the unit electrical agrees apartments, office buildings, hotels, nursing homes and other... -
Page 8: Disassembling Upper And Lower Cabinet Sections
rior to nstalling Disassembling Upper and Lower Cabinet Figure 3: Remove remaining eight (8) screws on the left and right sides of the cabinet Sections Four (4) screws located The Vertical Stack unit cabinet ships completely assembled. If on left side of cabinet required, it may be disassembled into two (2) sections (upper- fan/discharge cabinet) and (lower chassis/return air cabinet) to make it easier to handle. -
Page 9: Dimensional Data
Model VHF & VHW – 18" × 18" Cabinet – Size 009-012 Dimensions Unit Size 009–018 (18" ˣ 18") Cabinet (Dimensions in inches) Unit Height ‟A” 80, 88, 18.07 18.11 37.50 0.88 58.09 2.38 3.125 6.72 12.4 92, 96... -
Page 10: Model Vhf & Vhw - 18" × 20" Cabinet - Size 015-018
Model VHF & VHW – 18" × 20" Cabinet – Size 015-018 Dimensions Unit Size 015–018 (18" ˣ 20") Cabinet (Dimensions in inches) Unit Height ‟A” 80, 88, 18.07 20.00 37.50 0.88 58.09 2.38 3.125 6.72 12.4 3.12 92, 96... -
Page 11: Model Vhf & Vhw - 24" × 24" Cabinet - Size 021-036
Model VHF & VHW – 24" × 24" Cabinet – Size 021-036 Dimensions Unit Size 021–036 (24" ˣ 24") Cabinet (Dimensions in inches) Unit Height ‟A” 80, 88, 24.00 24.04 37.50 0.88 58.08 2.38 4.54 6.72 12.13 7.63 3.13 3.09... -
Page 12: Pre-Installation Considerations
nstallation onsiderations 1 . To prevent damage to equipment, do not operate Figure 7: Typical side by side unit installation supplementary heating and cooling during the construction period. 2 . Inspect the carton for any specific tagging numbers indicated by the factory per a request from the installing contractor. - Page 13 abinet onfigurations Figure 8: Single side discharge Figure 11: Side & top discharge (see Notice on page Figure 9: Double side discharge Figure 12: Double side & top discharge (see Notice on page 12 Figure 10: Closed plenum – field modification required Figure 13: Top discharge (see Notice on page = Return Riser...
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Page 14: Cabinet Configurations
abinet onfigurations Figure 14: Typical framing & discharge arrangements Double Side Discharge = Return Air = Discharge Air Typical Ducted Application NOTICE Top air discharge units will require turning vanes and/ or a volume damper for proper air flow and balancing, to minimize turbulence. -
Page 15: Critical Dimensions
ritiCal iMensions Framing Locations and Dimensions Table 2: Letter dimensions for Figure 15 (18" x 18" unit) Framing Locations Location of framing around unit is critical for proper fit-up and will help reduce sound levels due to the transfer of vibration 18"... -
Page 16: Louvered Return Air Panel Door With Optional Motorized Outdoor Air Damper
ritiCal iMensions Louvered Return Air Panel Door with Note: It is the responsibility of the installing contractor to install the ductwork that connects the outdoor air Optional Motorized Outdoor Air Damper opening in the panel door frame to the source of the 1 . -
Page 17: Vertical Riser Stub-Outs Locations To Unit Knockouts
ritiCal iMensions Vertical Riser Stub-Outs Locations to Unit Table 5: Letter dimensions for Figure 17 (18" x 18" unit) Knockouts Riser Stub-Outs Locations 18" ˣ 18" Unit - Sizes 009-012 Figure 17: Riser stub-outs knockouts locations Dimension Unit Height 80" 88"... -
Page 18: Return Air Panel Door(S) Dimensions
ritiCal iMensions Return Air Panel Door(s) Dimensions Figure 19: Louvered panel door Location of studs in relation to the unit and the return air panel door are critical for proper installation and fit up. When installed, the return air grille gasket must compress and seal completely against the outer edge of the cabinet and around the inner front panel and filter bracket. -
Page 19: Installation
3 . After all components are aligned properly, anchor the unit below (Figure 20). cabinet to the floor using the Daikin provided mounting Figure 20: Position the cabinet and risers brackets (Figure 21). - Page 20 nstallation Note: Apply the provided seal to the interior of the cabinet 6 . Solder all supply and return riser connections to units around the stub-outs. Be sure there are no voids above and/or below. between the stub-outs and the stub-out seal which 7 .
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Page 21: Water System Quality
ysteM PPliCations Water System Quality The system water should be evaluated for degrees of impurity, with testing available from independent testing labs, health The cleaning, flushing and chemical treatment of a water departments or state agencies. source heat pump system is fundamental to efficient operation Table 9 is a list of water characteristics, the potential impurities and the life expectancy of the system. -
Page 22: Supply & Return Piping
NOTICE and debris or damage will occur. It is not Daikin Applied policy to make recommendations on 1 . Prior to first operation of any unit, the water circulating water treatment. However, the general contractor or owner... -
Page 23: Operating Limits
ysteM PPliCations Environment CAUTION This equipment is designed for indoor installation only. Shel- tered locations such as attics, garages, etc., generally will not Units must be checked for water leaks upon initial provide sufficient protection against extremes in temperature water system start-up. Water leaks may be a result of and/or humidity, and equipment performance, reliability, and mishandling or damage during shipping. -
Page 24: Power Wiring From Building To Unit
nstallation Power Wiring From Building to Unit Figure 25: Wire to unit switch DANGER To avoid electrical shock, personal injury or death: 1. Installer must be qualified, experienced technician. 2. Disconnect power supply before installation to prevent electrical shock and damage to equipment. - Page 25 nstallation Typical Connections For Thermostats & Non-Programmable Electronic Thermostat Hardwired – 1 Heat/1 Cool, Auto Changeover Temperature Sensors Applications Fan Speed Control – P/N 668811201 Programmable Electronic Thermostat WSHP MicroTech III Controller 2 Heat/2 Cool, 7-Day Programmable, Auto Terminals TB1 and TB2 Changeover, Hardwired –...
- Page 26 nstallation Programmable Electronic Thermostat Sensors Used With Vertical Stack Units Hardwired – 1 Heat/1 Cool, Auto Changeover – Building Automated System (BAS) Fan Speed Control – P/N 668811301 Operation – Wiring MicroTech III Controller Terminals TB2 Terminal Strip 6-Button Digitally Adjustable Display Sensor – P/N 910121754 MicroTech III MicroTech III...
- Page 27 nstallation Cool/Warm Adjustable Sensor Wiring – P/N Room Temperature Sensors Adjustable 55° to 910171464 95°F or +/- 3°F – P/N 669529101 Sensor +/- 3°F – P/N 669529201 MicroTech III Controller Terminals TB1 MicroTech III Controller Terminals TB1 (ST) (SP) (UTS) (GND) Cool/Warm Adjustable Sensor (Part No.
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Page 28: Unit Piping Connection
Daikin recommends a factory installed 2-way motorized isola- tion valve on the return line of the chassis and an Auto Flow Regulator (AFR) installed on the supply line which allows proper water flow in a given size unit. -
Page 29: Make Flexible Hose Connections To The Supply And Return Valves From Riser Stub-Outs
nstallation Make Flexible Hose Connections to the Figure 33: Tip chassis front to back only, Pivoting on the ends of the rails Supply and Return Valves From Riser Stub- Outs 1 . Using the specified supply and return hoses make supply and return hose connections to the riser stub-outs valve connections (Figure... -
Page 30: Making Cabinet To Chassis Wiring Connections
nstallation 2 . Thread the female swivel ends of the hoses on to the Figure 36: Plug unit component wiring from the top water supply and return connections. Using two crescent cabinet section into the proper receptacle on the chassis (Unit Size 015 Chassis Shown) wrenches, one to hold the chassis pipe fitting connection and the second on the flexible hose swivel, tighten the... -
Page 31: Installation
nstallation Figure 37: Remove filter and front panel/filter rack Figure 39: RCN wire harness connections to the MicroTech III unit controller terminal plug Remove front panel screws (10) (Number of screws may vary, depending on unit size) Remove front MicroTech III panel knockout Unit Controller for RCN board... -
Page 32: Installing The Return Air Panel Door
nstallation Installing The Return Air Panel Door 2 . Check that the panel door frame is centered within the opening and seals completely to the cabinet return air 1 . Install the return air panel door assembly (Figure 40). opening. Also confirm that the room side flange of the Center, level and plumb the frame inside the framed frame is level, plumb and firmly against the drywall. -
Page 33: Installing The Optional Motorized Outdoor Air Damper With Louver Panel Door Only
nstallation Installing The Optional Motorized Outdoor Figure 41: Fasten the outside air damper assembly to the louver panel door frame Air Damper with Louver Panel Door Only Fasten the damper as- 1 . Install the return air panel door assembly as described in sembly to the door frame "Installing The Return Air Panel Door"... - Page 34 nstallation Figure 42: Damper control wiring, sizes 009-012 with 208/230V and 277V fan motor control Figure 43: Damper control wiring, sizes 015-036 with EC motor Figure 44: Damper control wiring, sizes 009-012 with 115V PSC fan motor, line voltage control www.DaikinApplied.com Vertical Stack WSHP •...
- Page 35 nstallation Figure 45: Damper control wiring, sizes 009-036 with 277V PSC fan motor, 24V control Figure 46: Damper control wiring, sizes 009-036 with 208/230V PSC fan motor, 24V control Figure 47: Damper control wiring, sizes 009-012 with 115V EC fan motor, line voltage control IM 986-11 •...
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Page 36: Installing The Discharge Air Diffuser
nstallation Installing The Discharge Air Diffuser 3 . Push the diffuser frame in until it compresses against the foam seal and the room side frame is flush against the 1 . Adhere field-provided 1/2" foam seal to the face of the drywall. -
Page 37: Twin Units Installation
nstallation Twin Units Installation 2 . Master units are offered in two-pipe systems with either right-hand or left-hand connections. Secondary units are Twin opposite hand units share a common riser system; i.e., offered to accommodate internal connections to any of supply, return, and drain riser. -
Page 38: Controls
ontrols Table 12: MicroTech III unit controller terminals & TB2 – 8 Thermostat – Heat Stage #3 (W3) Input descriptions TB2 – 9 24 VAC Common H1 – 1 24 VAC Power Input TB3 – 1 Emergency Shutdown Input H1 – 2 24 VAC common TB3 –... - Page 39 ontrols Figure 50: MicroTech SmartSource unit controller & I/O expansion module Note: Refer to Table 12 and Table 13 on page 38 for terminal descriptions IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
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Page 40: Jumper Configuration Settings
ontrols Jumper Configuration Settings WARNING Figure 51: Configuration jumpers location Proper antifreeze/water solution is required to minimize the potential of fluid freeze-up. Jumper JP3 is factory set for water freeze protection with the jumper open. Operation at fluid temperatures below 32°F with anti-freeze protection requires JP3 to be field configured for the jumper closed. -
Page 41: Microtech® Iii Smartsource Unit Controller
MicroTech® III SmartSource Unit Controller Table 16: MicroTech III SmartSource unit controller fault & status LED's The MicroTech III SmartSource unit controller allows thermo- stat, Daikin sensor and DDC standalone operation. The R Description Type Yellow Green (24VAC) terminal is used to operate thermostat inputs G, Y1,... -
Page 42: Microtech Smartsource Controller With L
ontrols MicroTech SmartSource Controller with Table 18: Fault recovery and reset BACnet Communication Module ® Tenant Auto Override Network Fault Description For installation and operation information on MicroTech III Recovery Button Reset SmartSource unit controller and other ancillary components, Reset see: I/O Expansion Communication Fail... - Page 43 ontrols Figure 54: L or BACnet communication module placement on MicroTech™ III unit controller ® ® orks www.DaikinApplied.com Vertical Stack WSHP • IM 986-11...
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Page 44: Performance
erforManCe Fan Performance for PSC Motor (Sizes 009 - 036) Table 19: PSC motor CFM values External Static Pressure (in-H O) [Dry Coil and STD Filter) (inches of water column) Rated Unit Size Speed Airflow 0 .00 0 .05 0 .10 0 .15 0 .20 0 .25... -
Page 45: Fan Performance For Constant Torque Ec Motor (Sizes 009-012)
erforManCe Fan Speed Selector Switch Figure 55: 4-position fan speed selector switch A 4-position fan speed selector switch located in the control box allows CFM settings to be field adjustable. Fan speed control optimizes unit fan speed based on thermostat/room sensor inputs. -
Page 46: Fan Performance For Constant Cfm Ec Motor (Sizes 015 - 036)
erforManCe Fan Performance for Constant CFM EC Motor (Sizes 015 - 036) Table 21: Single stage units with constant CFM EC motor MicroTech III Unit Controller I/O Expansion Module Unit Maximum Low CFM High CFM Low CFM High CFM Hydronic Size Setting Setting... -
Page 47: Performance For Constant Torque Ec Motor (Sizes 009 & 012)
erforManCe Performance For Constant Torque EC Motor (Sizes 009 & 012) Table 22: Fan settings and performance I/O Expansion Module Unit Size External Static Pressure (inches of water column) Setting 0 .05 0 .1 0 .15 0 .2 0 .25 0 .3 0 .35 0 .4... -
Page 48: Typical Wiring Diagrams
yPiCal iring iagraMs MicroTech III Unit Controller, EC Fan, Sensor Control with Communication Module 208-230/60/1 Unit Sizes 009-012 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com... - Page 49 yPiCal iring iagraMs MicroTech III Unit Controller, EC Motor, Sensor Control with Communication Module 265-277/60/1 Unit Sizes 009-012 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 50 yPiCal iring iagraMs MicroTech III Unit Controller, PSC Motor, Sensor Control with Communication Module 208-230/60/1 Unit Size 021 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 51 yPiCal iring iagraMs MicroTech III Unit Controller, EC Motor, Thermostat Control 208-230/60/1 Unit Size 021 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 52 yPiCal iring iagraMs MicroTech III Unit Controller, PSC Motor, Thermostat Control 265-277/60/1 Unit Sizes 024-036 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 53 yPiCal iring iagraMs MicroTech III Unit Controller, PSC Motor, Thermostat Control 208-230/60/1 Unit Sizes 024-036 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
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Page 54: Start-Up
tart Information for Initial Start-up 5 . Check the elevation and cleanliness of the condensate line. If the air is too dry for sufficient dehumidification, slowly CAUTION pour enough water into the condensate pan to ensure proper drainage. Units must be checked for water leaks upon initial 6 . -
Page 55: The In And Outs Of R-410A
All Daikin 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 56: Troubleshooting
roubleshooting Table 24: Troubleshooting refrigeration circuit Water (Loops) Head Suction Compressor Air Temp Safety Lock Symptom Super Heat Subcooling Temp Pressure Pressure Amp Draw Differential Differential Charge High Low Pressure Undercharge System (Possible Leak) Normal Overcharge System High High High Normal High Normal... -
Page 57: Typical Refrigeration Cycles
roubleshooting Typical Refrigeration Cycles Figure 58: Cooling mode – (single circuit only shown) Return Air Thermal Co-Axial Heat Expansion Valve Exchanger Water In Coil – Air to Refrigerant Heat Exchanger Water Out Sensing Bulb and Capillary Tube Compressor Blower Reversing Valve Conditioned Air –... -
Page 58: Start Form
Water Source Heat Pump Equipment Check, Test and Start Form This form must be completed and submitted within ten (10) days of start-up to comply with the terms of the Daikin warranty. Forms should be returned to Daikin Warranty Department. -
Page 59: Unit Check / Equipment Data
Unit Check / Equipment Data Installation Data Job Name ___________________________________________________ Check Test Date: __________________________ City __________________________________________________________ State _______________ Zip ______________ McQuay Model # _____________________________________________ McQuay 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 (Complete all equipment measurements indicated for each unit per installation on previous page) Check Amps Comments Model Serial # H .P . # Volts Cool- Filter (more comments on next sheet) Coil Part No . ____________________ www.DaikinApplied.com Vertical Stack WSHP •...
- Page 61 Notes / Comments Form WS-CTS-00.01 (Rev. 4/14) IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 62 IM 986-11 • Vertical Stack WSHP www.DaikinApplied.com...
- Page 64 Daikin Applied Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on Training, or call 540-248-9646 and ask for the Training Department.
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