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An ISO 9001-2008 Certified Company
Variable Speed Ductless Split System
High- Wall Air Handlers
Straight Cool / Heat Pump Nominal Capacities
WLHV09
WLHV12
WLHV18 WLHV24
9,000
12,000
18,000
2.6
3.5
5.3
8,800
10,000
18,000
2.6
2.9
5.3
Installation, Operation and
Maintenance Manual
ECR International, Inc.
2201 Dwyer Avenue,
Utica NY 13501
web site: www.ecrinternational.com
WLHV
WLHV30 WLHV36
24,000
29,800
33,400
7.0
8.7
9.8
21,000
26,000
26,400
6.2
7.6
7.7
P/N# 240009097, Rev. D [08/07/2013]
Units
Btuh
COOL
kW
Btuh
HEAT
kW
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Summary of Contents for EMI E Verter WLHV09
- Page 1 WLHV Variable Speed Ductless Split System High- Wall Air Handlers Straight Cool / Heat Pump Nominal Capacities Units WLHV09 WLHV12 WLHV18 WLHV24 WLHV30 WLHV36 9,000 12,000 18,000 24,000 29,800 33,400 Btuh COOL 8,800 10,000 18,000 21,000 26,000 26,400 Btuh HEAT Installation, Operation and Maintenance Manual ECR International, Inc.
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Page 2: Table Of Contents
TAbLe Of COnTenTS Receiving Information ........................3 Important Safety Information ......................4 Dimensional/Physical Data ......................5 General Product Information ......................6 Unit Mounting ..........................8 Refrigerant Piping ........................9 Refrigerant Processing .........................12 Electrical Wiring .........................13 Cabinet Assembly ........................17 Condenser Operation ........................18 Initial Start-Up ...........................20 WlHv Controller .........................21 Wired Wall Control ........................22... -
Page 3: Receiving Information
ReCeIVIng InfORMATIOn Shipping damage MUST be reported to the carrier IMMeDIATeLY. examine exterior. Remove cover and examine compressor and piping for signs of damage. general Information Installation shall be completed by qualified agency. Retain this manual and warranty for future reference. Installer review this manual to verify unit has been installed correctly. -
Page 4: Important Safety Information
IMpORTAnT SAfeTY InfORMATIOn Safety Information All field wiring shall conform to requirements of authority having jurisdiction or in absence of such requirements: • Installation by qualified personnel. • United States - National Electrical Code, ANSI/NFPA 70 • Turn off electrical supply before servicing unit. •... -
Page 5: Dimensional/Physical Data
DIMenSIOnAL/pHYSICAL DATA figure 1 - Dimensions and Shipping Weight [133.35mm] [311mm] 5 1/4” 12 1/4” [185.74mm] [38mm] 7 5/16” 1 1/2” [51mm] 2” [111.13mm] 4 3/8” Shipping weight Mounting Model Tubing access Depth in Height in Length in bracket pounds clearance (mm) (mm) -
Page 6: General Product Information
• Integral condensate pump safety switch connection available for up to 5 kW of supplemental heat. microprocessor monitors condensate pump safety switch • Can be matched with EMI’s Single-zone condensing units and displays error code when fault occurs. (Only with — S1Cv / S1Hv 09-36. - Page 7 geneRAL pRODUCT InfORMATIOn Installation Considerations figure 2 Minimum Service Clearances • Determine best location for mounting unit for room air circulation. Ceiling 4” Minimum • locate outdoor and indoor units as close together as possible. 10” • Determine wiring, drainage and piping placement. Minimum •...
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Page 8: Unit Mounting
UnIT MOUnTIng WARnIng figure 4 - Wall Hanging bracket Electrical shock hazard. Replace all panels after installation or servicing. Panels must remain on unit at all time while powered and in operation. Failure to do so could result in death or serious injury. Unit Mounting Considerations Use template to mark where piping, electrical wiring and condensate drain should penetrate the wall. -
Page 9: Refrigerant Piping
RefRIgeRAnT pIpIng piping preparation figure 6 - Remove bottom panel • Avoid piping on wet and rainy days. • Use only clean, refrigeration-grade copper tubing. • Use tubing benders to guard against kinking. • verify no burrs remain on fittings. •... - Page 10 RefRIgeRAnT pIpIng Line Sizing figure 8 - Clean ends Of Tubing Size lines per Table 7, Page 36. Match suction line size with condenser service valve connection. • When matching WlHv18 or 24 with 18,000 or 24,000-Btuh condenser, use 5/8" suction line, with reducer installed at indoor connection.
- Page 11 RefRIgeRAnT pROCeSSIng Refrigerant processing Attach manifold set, vacuum pump, & Micron Gauge. See Figure 11. Evacuate line to 500 microns or less to insure all moisture has been removed and there are no leaks. See Figure 12. Evacuate B. Pressurize with 100psi N2 or Nitrogen C.
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Page 12: Refrigerant Processing
RefRIgeRAnT pROCeSSIng Use following example to find charge adjustment and system charge for any air handles and tubing length. line Adjustment = (line Charge/FT) x line length System Total = Factory Charge + line Adjustment Round to nearest ounce and allow for gauges and hoses. Table 2 - S1CV / S1HV R410A Refrigerant Charge Table Wall Unit... -
Page 13: Electrical Wiring
eLeCTRICAL WIRIng Site preparation for Wiring figure 14 - before Removing end Cap Electrical wiring must be in accordance with all electrical codes. In absence of such requirements to the National Helpful Tip: Electrical Code (NEC). Prior to removing end cap and bottom use small board to prop WARnIng... - Page 14 eLeCTRICAL WIRIng All low voltage interconnect wiring must be at least figure 18 Wiring Connections 18 AWG. Cooling Only Connection • Cooling only units utilize four (4) low voltage interconnecting wires between indoor and outdoor units. • Connect each wire [COM1, COM2, SC, and 24 vDC (-)] to same named terminal indoor and outdoor.
- Page 15 eLeCTRICAL WIRIng Optional Wired Wall Mounted Thermostat figure 21 - Low Voltage Box Connection Thermostat utilizes polarized four (4) conductor connector which plug into mating connector located in low voltage connection box. System recognizes thermostat when plugged in and power is applied to WlHv.
- Page 16 eLeCTRICAL WIRIng figure 22 - Wall-Mounted Thermostat Configuration — Cooling Only figure 23 - Wall-Mounted Thermostat Configuration — Heat Pump...
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Page 17: Cabinet Assembly
CAbIneT ASSeMbLY Assemble Cabinet figure 24 - Replace bottom panel verify system is leak-free and all piping has been properly installed before reassembling cabinet. Assemble Cabinet Replace bottom panel. See Figure 24. Fasten right end cap using Phillip head screw. Replace and tighten remaining screws across bottom panel. -
Page 18: Condenser Operation
S1CV / S1HV Sequence of Operation S1CV / S1HV Condenser Operation • When indoor control is placed in Cooling Mode, with • EMI Series condensers are designed to operate with EMI set point temperature below room temperature, Series air handlers. - Page 19 COnDenSeR OpeRATIOn • As temperature of indoor space moves closer to set point compressor, indoor, and outdoor motors adjust speeds to reduce rate of indoor temperature change and avoid passing set point. As temperature of indoor space moves farther from set point compressor, indoor, and outdoor motors adjust to increase rate of indoor temperature change and remain close to set point.
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Page 20: Initial Start-Up
InITIAL START-Up Unit Operation is dependent on room temperature. It may Controller Operation be necessary to warm room before testing unit’s cooling • Controller operates unit in cooling, heating (when abilities. equipped) dry or auto changeover mode. before Starting The Unit •... -
Page 21: Wlhv Controller
WLHV COnTROLLeR figure 27 - Hand Held Remote Operation Press to turn unit ON or OFF. Press and hold 2 seconds to transmit all settings pOWeR to unit-mounted controller. Press to toggle through operating modes — Heat, Cool, Auto Changeover, Dry MODe or Fan. -
Page 22: Wired Wall Control
WIReD WALL COnTROL Wired Wall Control button Selections pOWeR Press to turn unit on or off. MODe Press to toggle through operating modes — Cool, Dry, Fan, Heat or Auto Changeover Normal operation — hold 3 seconds to enter Set Time mode; hold again 3 seconds to exit. In programming mode CLOCK —... -
Page 23: Setting The Controller
SeTTIng THe COnTROLLeR figure 29 - 7-Day programming Options for CAHV Item Setting Values Overview To access: Press and hold PROGRAM and ClOCK buttons simultaneously 3 seconds; use arrow keys to select position; save selection and exit by repeating button press. Quick copy —... - Page 24 SeTTIng THe COnTROLLeR Table 3 - Configuration Mode For WLHV Air Handlers possible factory Item Display Value Overview Settings (flashing) To access: Press MODE and PROG together for 5 seconds, repeat to exit; automatically exits after 20 seconds idle Fahrenheit Select temperature scale for display and operating Temperature 01 F-C...
- Page 25 SeTTIng THe COnTROLLeR Table 4 - programming Schedule (When Using 7-Day programming) To copy the settings from any day to the entire week: 1) Select the day to be copied. 2) Simultaneously press the “Fan” and “Prog” buttons for three seconds.
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Page 26: Hand Held Controller Operation
HAnD HeLD COnTROLLeR OpeRATIOn Power When power is first applied to control or after power outage there is three (3) minute delay before compressor or Pressing POWER button momentarily switches unit either electric heat will energize. Protects unit from short cycling on or off. - Page 27 Optional Heat pump Without electric Heat (Heat pump Unit Outdoors) For cooling operation, turn unit on via POWER button. EMI heat pumps are intended to operate with indoor air Select Cooling mode via MODE button. handler, with optional electric heat.
- Page 28 HAnD HeLD COnTROLLeR OpeRATIOn When room temperature has been satisfied for at least • Fan operates continuously at low speed while in Dry sixty (60) seconds and two (2) minute minimum on- mode. time has elapsed, compressor switches off. • In order to prevent short cycling, there is 2 minute See Fan Operation see pg.
- Page 29 HAnD HeLD COnTROLLeR OpeRATIOn 7-Day programming Mode To use Pre-Programmed Run mode enter program settings 7-day Programming mode is used to store settings for Pre- through 7-Day Programming mode. Programmed Run mode. Select mode of operation (Cooling, Heating, Auto) and When unit is in either Off or On mode, 7-Day press PROGRAM button to enter Pre-Program Run...
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Page 30: Wired Wall Control Operation
WIReD WALL COnTROL OpeRATIOn eLeCTRIC HeAT Operation When power is first applied to control or after power outage there is 3 minute delay before compressor or electric heat Optional wired wall controller operation with electric heat, energize. This is to protect unit from short cycling due to control must be configured properly. -
Page 31: Controller Features
COnTROLLeR feATUReS Short Cycle protection (ASCT) Electronic control incorporates anti-short-cycle timer (ASCT) feature designed to protect compressor from short cycling. ASCT is activated immediately following off cycle of outdoor unit. Once room temperature is satisfied and outdoor unit switches Off, ASCT will not allow outdoor unit to restart until 3 minute time period has elapsed. -
Page 32: Controller Fault Conditions
COnTROLLeR fAULT COnDITIOnS Table 5 - Troubleshooting Codes Alarm failure LeD- Type/ number fault Condition Description Location flashes Dirty filter Clean filter,press warning/clear filter button Condensate, check for drain blockage or Drain pan condensate fault pump failure EPROM failure Check indoor EPROM Indoors Failure for ambient temperature detection Check ambient temperature sensor Failure for coil temperature detection... -
Page 33: Maintenance
MAInTenAnCe figure 31 - filter And grille WARnIng Electrical shock hazard. Before removing access Close-up of filter clip panels, verify all power is disconnected from the unit. Failure to follow these instructions could result in death or serious injury. Have service performed by a qualified service agency. Annual system check is recommended. -
Page 34: Troubleshooting
Wiring Requirements outdoor unit. 24v transformer located in indoor air handler unit provides EMI Ductless Series air handlers will only operate with EMI low volt control power to both indoor air handler and Ductless Series condensers. outdoor condenser between SC and 24vDC(-) terminals. - Page 35 Cooling mode. Maximum lift for pumps will vary. Consult pump instructions for maximum lift. • EMI heat pump systems utilize a reversing valve is Condensate generated by air handlers will collect in pump’s that is energized in the cooling mode.
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Page 36: Frequently Asked Questions
fReQUenTLY ASKeD QUeSTIOnS Q: How long will the fan run? a: While the unit is in cooling or heating and auto fan mode is selected, Fan speed is determined by microprocessor, speed adjustment is made according to room and setpoint temperatures. Fan switches to High speed when room temperature deviates by more than 1 degree from setpoint.Fan will switch to low speed if deviation is 1 degree. -
Page 37: Specifications And Dimensions
SpeCIfICATIOnS AnD DIMenSIOnS Table 6 - WLHV Electrical Specifications HEATER TOTAl HACR MODeL vOlTS/HZ/PH AMPS M.C.A. K.W. AMPS vOlT BRKR 208/230/60/1 0.34 0.02 – – 0.34 WLHV 09/12 208/230/60/1 0.34 0.02 13.04 13.38 16.7 208/230/60/1 0.56 0.07 – – 0.56 WLHV 208/230/60/1 0.56 0.07... -
Page 38: Wlhv System Options
WLHV SYSTeM OpTIOnS WLHV S1CV/S1HV Side Discharge Table 8 - Cooling System With Wall Units Condenser Wall Units btuh SeeR Ref. S1Cv9000 WlHv09 9,000 16.7 0.75 13.5 R410A S1Cv2000 WlHv12 12,000 17.0 0.66 12.0 R410A S1Cv8000 WlHv18 18,000 17.0 0.73 13.0 R410A S1Cv4000... -
Page 39: Test Unit Performance Data Sheet
TeST UnIT peRfORMAnCe DATA SHeeT nOTICe Test Unit Performance Data sheet is provided for use by qualified service professional in event there is concern with unit. For our Technical Service Department to better serve you, please complete. Have this information ready when calling. It is important to include Model Number, Serial Number, and Date of installation. - Page 40 Phone: 1-800-228-9364 2201 Dwyer Avenue, Fax: 1-800-232-9364 Utica NY 13501...
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