EMI UNHV09 Installation, Operation And Maintenance Manual

Variable speed ductless split system

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

An ISO 9001-2008 Certiﬁ ed Company

Variable Speed Ductless Split System

Air Handler

Straight Cool / Heat Pump Nominal Capacities

UNHV09

UNHV12

9,000

12,000

2.6

3.5

8,800

10,000

2.5

2.6

Installation, Operation and

Maintenance Manual

ECR International, Inc.

2201 Dwyer Avenue,

Utica NY 13501

web site: www.ecrinternational.com

UNHV

UNHV18

UNHV24

18,000

24,000

5.3

7.0

18,000

21,000

5.0

5.6

P/N# 240009098, Rev. C [08/08/2012]

Units

Btuh

COOL

Btuh

HEAT

Table of Contents

Need help?

Do you have a question about the UNHV09 and is the answer not in the manual?

Questions and answers

Summary of Contents for EMI UNHV09

Page 1 UNHV Variable Speed Ductless Split System Variable Speed Ductless Split System Air Handler Air Handler Straight Cool / Heat Pump Nominal Capacities UNHV09 UNHV12 UNHV18 UNHV24 Units 9,000 12,000 18,000 24,000 Btuh COOL 8,800 10,000 18,000 21,000 Btuh HEAT Installation, Operation and Maintenance Manual ECR International, Inc.
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 Ceiling Mounted .......................... 8 Wall Mounted ..........................8 Condensate Piping ........................10 Refrigerant Piping ........................11 Refrigerant Processing .........................13 Electrical Wiring .........................15 Cabinet Re-Assembly ........................20 Condenser Operation ........................21...
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 qualiﬁ ed 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 All ﬁ eld wiring shall conform to requirements of authority Safety Information having jurisdiction or in absence of such requirements: • Installation by qualiﬁ ed 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, Openings And Knockouts DIMENSIONS — Inches (mm) Model 26” 11” 41 ½” 5 ½” 35” ” 2 ½” 40 ½” UNHV09/12 ” (660) (279) (1054) (140) (887) (487) (64) (1029) (265) 26” 11” 51 ½”...
Page 6: General Product Information
5 kW of supplemental heat. microprocessor monitors condensate pump safety switch and displays error code when fault occurs. (Only with Can be matched with EMI’s: optional condensate pump). • Single-zone condensing units — S1HV 09-24. • CEC (California Energy Commission) compliant.
Page 7 GENERAL PRODUCT INFORMATION Installation Considerations NOTICE • Determine best location for mounting unit for room air If excessive noise or vibration from unit mounted to circulation. masonry block wall, verify unit is plumb and level. If • Locate outdoor and indoor units as close together as noise or vibration persists, contact distributor.
Page 8: Unit Mounting
UNIT MOUNTING Unit Mounting Instructions NOTICE Optimal unit location: • Locate unit in area with unrestricted air ﬂ ow to the Do not install unit in location where curtains or space. drapes obstruct supply air grille. This may cause air •...
Page 9 UNIT MOUNTING Unit Mounting Instructions Figure 4 Ceiling Mounting WARNING 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. Ceiling Mounting Threaded rods may be inserted through mounting holes to suspend unit from ceiling supports.
Page 10: Condensate Piping
CONDENSATE PIPING UNHV is supplied with two ½" I.D. ﬂ exible PVC hoses for Figure 6 Condensate Piping connection to copper or plastic condensate drain pipe work. • Each drain line is labeled and plugged at the factory. • Unplug appropriate line and connect to condensate drain.
Page 11: Refrigerant Piping
REFRIGERANT PIPING Piping Preparation Figure 7 Refrigerant Connections • Avoid piping on wet and rainy days. • Use only clean, refrigeration-grade copper tubing. Suction line Liquid line Liquid line • Use tubing benders to guard against kinking. • Verify no burrs remain on ﬁ ttings. •...
Page 12 REFRIGERANT PIPING Line Sizing Figure 8 Clean ends of tubing Size lines per Table 12, Page 39 . Match suction line size with condenser service valve connection. • When matching UNHV18 or 24 with 18,000 or 24,000-Btuh condenser, use 5/8" suction line, with reducer installed at indoor connection.
Page 13: Refrigerant Processing
REFRIGERANT PROCESSING Refrigerant Processing Attach manifold set, vacuum pump, & Micron Gauge. See Figure 10. Evacuate line to 500 microns or less to insure all moisture has been removed and there are no leaks. See Figure 11. Evacuate B. Pressurize with 100psi N2 or Nitrogen C.
Page 14 Table 5 - S1CV / S1HV R410A Refrigerant Charge Table Wall Unit Line Charge Factory Condenser Pairing Per Foot Charge S1CV9000 UNHV09 .25 oz./ft 23 g/m) 39.5oz (1120g) S1CV2000 UNHV12 .25 oz./ft 23 g/m) 39.5oz (1120g) S1CV8000 UNHV18 .64 oz./ft 59 g/m) 54.0oz (1531g)
Page 15: Electrical Wiring
ELECTRICAL WIRING Site Preparation For Wiring Figure 14 Electrical Connections Electrical wiring must be in accordance with all electrical codes. In absence of such requirements to the National Electrical Code (NEC). WARNING Electrical shock hazard. Turn OFF electrical power supply before making electrical connections. Failure to do so could result in death or serious injury.
Page 16 ELECTRICAL WIRING High Voltage Electrical Wiring Figure 15 Remove Control Box Cover Screws Remove control box cover screws to access high To Access High Voltage Wiring voltage wiring compartment. See Figure 15 and Compartment Figure 16 Remove control box Refer to wiring diagram to connect power wire to Black cover screws L1 and Red L2 at power connector location.
Page 17 ELECTRICAL WIRING Units With Or Without Heat Figure 18 Unit-Mounted Controls — Cooling Only All low voltage interconnect wiring must be at least 18 AWG. Cooling Only Connection • Cooling only units utilize four (4) low voltage interconnecting wires between the indoor and outdoor units.
Page 18 ELECTRICAL WIRING Wired Wall Controller Heat Pump Applications • Heat pump operation requires connection of 2 RV termi- • Low voltage interconnect wiring must be at least nals between outdoor unit to indoor unit. See Figure 22, 18 AWG. Page 19 . Reversing valve is energized in cooling mode •...
Page 19 ELECTRICAL WIRING Figure 21 Wired Wall Controller Conﬁ guration — Cooling Only Figure 22 Wired Wall Controller Conﬁ guration — Heat Pump...
Page 20: Cabinet Re-Assembly
CABINET RE-ASSEMBLY Re-Assemble Cabinet Figure 23 Replace (Tighten) Top, Bottom And Center Cabinet Screws Verify system is leak-free and all piping has been properly installed before reassembling cabinet. Loosen top screws See Figure 23 . Slide cabinet slotted holes over upper and lower cabinet screws.
Page 21: Condenser Operation
CONDENSER OPERATION S1CV / S1HV IOM’s Sequence of Operation S1CV / S1HV Condenser Operation • EMI Series condensers are designed to operate with EMI • When indoor control is placed in Cooling Mode, with Series air handlers. set point temperature below room temperature, compressor, outdoor fan, and indoor blower energize.
Page 22 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.
Page 23: 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 24: Unhv Controller
UNHV CONTROLLER Figure 25 Hand Held Remote Operation Press to turn unit on or off. Press and hold for 2 seconds to transmit all settings to unit-mounted POWER controller Press to toggle through operating modes — MODE Cool, Heat, Auto changeover, Dry or Fan modes. Normal operation —...
Page 25: Wired Wall Controller
WIRED WIRED WALL CONTROLLER Figure 26 Wired Wall Control Wired Wall Control Operation Wired Controller 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 —...
Page 26 WIRED WIRED WALL CONTROLLER Table 6 7-Day Programming Options For CAHV Item Setting Values Overview To access: Press and hold PROGRAM and CLOCK buttons simultaneously for 3 seconds; use arrow keys to select position; save selection and exit by repeating the button press. Quick copy —...
Page 27: Setting The Controller
SETTING THE CONTROLLER Table 7 Conﬁ guration Mode For UNHV Air Handlers Possible Dis- Factory Item Value Overview play Settings (ﬂ ashing) 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...
Page 28 SETTING THE CONTROLLER Table 8 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 sec- onds.
Page 29: Hand Held Controller Operation
HAND HELD CONTROLLER OPERATION When power is ﬁ rst applied to control or after power outage Room Air Sampling there is three (3) minute delay before compressor or If room air sampling feature has been enabled in conﬁ gu- electric heat will energize. Protects unit from short cycling ration, after the fan has been off for selected time, it will due to loss of power.
Page 30 HAND HELD CONTROLLER OPERATION Optional ELECTRIC HEAT Operation • Compressor starts, electric heat also energizes after 30 second delay, thus two-stage heating. (Non heat pump condenser units only and UNHV) For operation with electric heat only, control must ﬁ rst be •...
Page 31 HAND HELD CONTROLLER OPERATION Pre-Programmed Run Mode • Fan operates continuously at low speed while in Dry mode. Feature allows setpoint temperature to be changed accord- ing to pre-programmed set point and time of day settings. • In order to prevent short cycling, there is 2 minute minimum on time for both cooling and heating.
Page 32: Wired Wall Controller Operation
WIRED WALL CONTROL OPERATION When power is ﬁ rst applied to control or after power outage Place set-point temperature below room temperature. there is 3 minute delay before compressor or electric heat • Electric heater will switch off and indoor fan remains energize.
Page 33: 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 satisﬁ ed and outdoor unit switches Off, ASCT will not allow outdoor unit to restart until 3 minute time period has elapsed.
Page 34: Controller Fault Conditions
CONTROLLER FAULT CONDITIONS Table 9 Trouble Codes Alarm Failure LED- Type/ Number Fault Condition Description Location Flashes Dirty ﬁ lter Clean ﬁ lter,press warning/clear ﬁ lter 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...
Page 35: Maintenance
MAINTENANCE WARNING Figure 27 Remove The Front Grille Electrical shock hazard. Before removing access Grille screws 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 qualiﬁ ed service agency. Annual system check is recommended.
Page 36: Troubleshooting
This is DC voltage, use proper scale on the meter. Wiring Requirements Electric heat applications EMI Ductless Series air handlers are designed to operate Units with electric heat utilize control relay located on air with EMI Ductless Series condensers. handlers control board in control box.
Page 37 Condensate pumps are recommended when it is not possible to gravity drain condensate from indoor unit. • EMI heat pump systems utilize a reversing valve is that is energized in the cooling mode. Maximum lift for pumps will vary. Consult pump •...
Page 38: Frequently Asked Questions
FREQUENTLY ASKED QUESTIONS Q: The condenser will not start although indoor unit appears normal. What should I do? A: Check Breaker 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 microproces- sor, speed adjustment is made according to room and set- point temperatures.
Page 39: Speciﬁ Cations And Dimensions
SPECIFICATIONS AND DIMENSIONS Figure 32 D imensions And Shipping Weights — Inches (mm) And Pounds (Kg) Shipping weight Model Height Depth Length Pounds UNHV09 11 (279) 41½ (1054) 95 (43) 26 (660) UNHV12 UNHV18 11 (279) 51½ (1308) 116 (53)
Page 40: Unhv System Options
UNHV SYSTEM OPTIONS Ceiling mounted UNHV S1CV/S1HV Side Discharge Wall/ﬂ oor mounted Table 14 Cooling System With Universal Units Condenser Wall Units Btuh SEER Ref. S1CV9000 UNHV09 9,000 16.7 0.75 13.5 R410A S1CV2000 UNHV12 12,000 17.0 0.66 12.0 R410A S1CV8000...
Page 41: Test Unit Performance Data Sheet
TEST UNIT PERFORMANCE DATA SHEET NOTICE Test Unit Performance Data sheet is provided for use by qualiﬁ ed 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 42 NOTES...
Page 43 NOTES...
Page 44 Phone: 1-800-228-9364 2201 Dwyer Avenue, Fax: 1-800-232-9364 Utica NY 13501...

This manual is also suitable for:

Unhv12 Unhv18 Unhv24

EMI UNHV09 Installation, Operation And Maintenance Manual

Quick Links

Need help?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for EMI UNHV09

Summary of Contents for EMI UNHV09

This manual is also suitable for:

Table of Contents