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EMI S1CA9000 Installation, Operation And Maintenance Manual

Caca series; caha series; cacb series; cahb series cassette ductless split system air handlers
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CACA/CAHA & CACB/CAHB CASSETTE
duCTlESS SpliT SySTEm Air HAndlErS

heat pUmp

Nominal Circuit Capacities:
9,000 - 12,000 - 18,000 - 24,000 Btuh
straight cool
Nominal Circuit Capacities:
30,000 - 36,000 Btuh
Enviromaster International LLC
5780 Success Dr.
Rome, NY 13440
www.enviromaster.com
CAHB12
Model Shown
An ISO 9001-2000 Certified Company
P/N 240006022 Rev. 1.5 [1/08]

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Summary of Contents for EMI S1CA9000

  • Page 1: Heat Pump

    CACA/CAHA & CACB/CAHB CASSETTE duCTlESS SpliT SySTEm Air HAndlErS heat pUmp Nominal Circuit Capacities: 9,000 - 12,000 - 18,000 - 24,000 Btuh straight cool Nominal Circuit Capacities: 30,000 - 36,000 Btuh CAHB12 Model Shown Enviromaster International LLC 5780 Success Dr. An ISO 9001-2000 Certified Company Rome, NY 13440 P/N 240006022 Rev.

  • Page 3: Safety Instructions

    Care must be Shipping Damage MUST be Reported taken to obtain the best results. to the Carrier IMMEDIATELY!!! Exam- ine the exterior. Check the rating plate on the EMI air handlers AmericaSeries before installation to make certain the...

  • Page 4: Product Description

    12’s are equipped with manually These American made Cassette Air adjusted air vanes). Handlers produce system SEER’s meeting or exceeding 13, when matched with EMI’s Coil - Coil is seamless, copper tubing, S1CA/S1HA single zone, S2CA/S2HA dual arranged in staggered configuration, with...

  • Page 5: Preparation For Installation

    Electromechanical Operation (Stan- dard): An optional thermostat can be ob- struction or existing construction with a sus- tained through EMI or your local distributor. pended or false ceiling with enough clear- ance to accommodate concealing the piping NOTE: make sure the thermostat is suitable for and electrical connections to the unit.
  • Page 6 BLANkINg Off (Optional) The fascia discharge slot(s) will need Cassette 36 Unit Not Shown blanking off when ducts are used to chan- The Cassette 36 units have three hinged grills nel the conditioned air to other areas. The and three filters. two polystyrene blanking off strips (pro- vided) will need to be positioned in the 2.
  • Page 7 24,000 btuh zone. * EMi air handlers units contain the appropriate piston for the model. Refer to this docu- ment to determine if a change is required based on the condenser rating. if the match is not listed below no piston change is required.
  • Page 8 THERmOSTAT An opening in the false ceiling will have to An optional thermostat can be obtained be cut to the following sizes: through EMI or your local distributor. In addition to positioning the Cassette cor- Opening Size Cabinet rectly, it is very important to locate the wall 23¼”...
  • Page 9 CASSETTE CHASSIS pOSITIONINg ANd INSTALLATION 5. Secure unit in position with locknuts and 1. Use the template (provided) to cut the washers on either side of the Cassette ceiling opening and determining the rod bracket. positions. 2. Install hanger bolts using 3/8” (10mm) 6.
  • Page 10 CONdENSATE pIpINg ANd dUCT CONNECTIONS The unit can now be piped up in ac- NOTE: A drain line vent may be required to cordance with good refrigeration and/or prevent siphoning of water from the drain pan plumbing practices. and associated noise. The Cassette is supplied with a 1/2”...

  • Page 11: Refrigeration Piping

    CONdENSATE pIpINg ANd dUCT CONNECTIONS 2. Cut the black insulation around the 3. Snip the tabs holding the knock-out knock-out. in place. 4. Remove the metal knock-out and the black insulation behind it. 5. Attach the duct collars (field sup- plied) to the chassis using self tap- ping screws.
  • Page 12 CASSETTE AIR HANdLER INSTALLATION INSTRUCTIONS Assembly Instructions 1. To install the four fascia mounting bolts: NOTE: The fascia only fits correctly one way. a) Remove the bolts and washers Position the fascia so that the AmericaSeries from the supplied kit bag. logo is on the control box end of the chassis.
  • Page 13 CASSETTE AIR HANdLER INSTALLATION INSTRUCTIONS a) Ensure that the polarized (10 posi- To complete the installation adjust the louver tion) connector is in the proper orien- position to 30° from plumb, this is recom- tation and connected. mended for “optimum” system performance. Polarized 10 Position Connector...
  • Page 14 CASSETTE AIR HANdLER INSTALLATION INSTRUCTIONS Electrical Wiring- Continued 6. Check the unit rating plate for circuit ampacity and breaker or fuse size. Use 3. Remove only HACR type breakers. Select the the 4 screws proper wire for the ampacity rating. securing the c o n t r o l b o x 7.
  • Page 15 CASSETTE AIR HANdLER INSTALLATION INSTRUCTIONS High Volt Electrical Wiring - Continued (l1) (l2) 4. Then refer to the wiring diagram to connect the power wire to (L1) and the other wire to (L2) at the power connector location (terminal block). (See “Electrical Specifications”...

  • Page 16: Refrigerant Processing

    Op- eration charts and charge tables can be found in the EMI Condenser IOMs. 1. Clean the ends of tubing and insert into fittings. 6. Evacuate line to 500 microns or less to ensure all moisture has been removed and there are no leaks.
  • Page 17 REfRIgERANT pROCESSINg 8. Charge to proper weight, charge based on the length of interconnect (see below). NOTE: Charging should be done with a dial-a-charge or weighed in with a scale. IMpORTANT NOTES: I. To find the charge adjustment and system charge for any air handlers and tubing length: Refer to Refrigerant Line Adjustment = (Line Chg/Ft) x Line Length...
  • Page 18 START -Up Refer to low voltage interconnect dia- Figure #6 grams Figure #12 and Figure #13. NOTE: Apply power to the Condensing Unit’s crankcase heater for 24 hours before start up to boil off any liquid refrigerant that may be present in the compressor. 1.
  • Page 19 START -Up Heat pump Systems (See Configuration additional assistance, please contact Mode section of this document for details) our Technical Service Department at Heat Source – oN 1-800-228-9364. Heat Pump – ON 5. Ensure that the Condensing Unit start Place the optional Infrared Hand Held up procedure has been carried out as Controller into heat mode with the set- detailed in the corresponding installa-...
  • Page 20 START -Up 9A. ALL CACA/CAHA COOLINg ONLY for 1st stage heating operation). Verify SYSTEMS: compressor start up, noise, vibration, and Turn the system power on and set the overall system operation. Next alter the cooling mode to the lowest thermostat setpoint until the 2 stage of heat is called set point to run the compressor.

  • Page 21: Sequence Of Operation

    SEqUENCE Of OpERATION EmI mICROpROCESSOR CONTROLLEd AIR HANdLER OpERATION INSTRUCTIONS Cassette COntrOl DIP swItCh seleCtIOns (CahB/CaCB Only) A set of DIP switches is located on the WARNING main circuit board inside the control box. These DIP switches are used to select Before removing the control box the type of user interface for the Cassette.
  • Page 22 SEqUENCE Of OpERATION EmI mICROpROCESSOR CONTROLLEd AIR HANdLER OpERATION INSTRUCTIONS seconds and thirty (30) seconds respec- UNIT MOUNTED KEY pAD INTERFACE tively. The Cassette User Interface uses Light Emitting Diodes (LED’s) to display the The sixty (60) second post-purge timing operational modes of the unit.
  • Page 23 SEqUENCE Of OpERATION CASSETTE USER INTERfACE Figure #8 Unit mount Control “Clear Filter Warning Button” “power LED” In Remote Thermostat When held for 3 seconds will clear Mode, will illuminate when power is ap- plied to the unit. In hand held Controller the Clean filter warning.
  • Page 24 SEqUENCE Of OpERATION Figure #10 When power is first applied to the control or after a power outage there is a three LCD Display – All Segments Lit (3) minute delay before the compressor or electric heat will energize. This is to pro- tect the unit from short cycling.

  • Page 25: Configuration Mode

    SEqUENCE Of OpERATION The optional Infrared Hand Held Controller CONFIgURATION MODE: for optional Infrared Hand Held Control- has a useful transmission distance approxi- ler operation, the control must be con- mately twenty (20) feet when perpendicular figured through the Configuration Mode. to the face of the Cassette.
  • Page 26 SEqUENCE Of OpERATION pOWER/SEND lected if the unit is in Heating, Cooling or Pressing the PoWER/SEND button mo- mentarily will switch the unit either on or off. Auto Changeover Modes. in Auto fan In the off Mode, the Liquid Crystal Display Mode the speed is determined by the mi- (LCD) will display the time of day and day croprocessor and speed adjustment will...

  • Page 27: Cooling Mode

    (60) seconds and the two (2) minute minimum run time has elapsed the NOTE: EMI heat pumps are intended to op- compressor will cycle off. The fan will op- erate with an indoor air handler, with electric erate as described in Fan Operation.
  • Page 28 SEqUENCE Of OpERATION Place the setpoint temperature above Next, place the setpoint temperature room temperature. The outdoor unit will above the room temperature by at least energize in heat pump mode and heat- two (2) degrees. The compressor will start ing will continue so long as the setpoint and, the electric will also energize after a remains above room temperature.

  • Page 29: Auto Changeover Mode

    SEqUENCE Of OpERATION If the room temperature is greater than the SET TIME MODE: setpoint temperature by more than two The clock is used by the 7-Day Program- (2) degrees the unit will run Cooling Mode ming Mode. The CLoCK button is constantly.
  • Page 30 SEqUENCE Of OpERATION The override setting will remain in effect QUICK COpY: Quick copy is a feature of the 7-Day Pro- until the next scheduled event. (Morning, gramming Mode. It is used to copy the set- Day, Evening, Night) At that time, the set- tings of any day to the rest of the week.

  • Page 31: Cooling Operation

    SEqUENCE Of OpERATION EMI outdoor heat pump units utilize a re- In Remote Thermostat Mode the control versing valve that is energized in Cooling will not accept commands from the optional Mode. Make sure that the thermostat se- Infrared Hand Held Controller. Also the fil- lected will energize the reversing valve in ter check timer will default to 1000 Hrs.

  • Page 32: Other Features

    Heat Pump unit and electric heat REvERSINg vALvE: will stop while the indoor fan will remain on EMI outdoor heat pump units utilize a re- for an additional sixty (60) seconds. versing valve that is energized in Cooling Mode. Make sure that the thermostat se-...
  • Page 33 SEqUENCE Of OpERATION Once switched off, including following a ANNUNCIATION: power outage, the compressor or heat The unit is equipped with an annunciation feature whereby the main control will beep source will not re-start for a minimum of providing the user with audio feedback three (3) minutes unless the unit is in Test Mode then it’s forty five (45) seconds.
  • Page 34 SEqUENCE Of OpERATION CONDENSATE FAULT 2 BLINKS: CLEAN FILTER WARNINg 4 BLINKS: If the control senses a condensate fault To aid in filter maintenance, the Cassette condition either through the condensate controller will indicate when a schedule pumps safety switch or the drain pan sen- filter cleaning is required by flashing the sors, the Timer/Alarm LED will flash two Timer/Alarm LED.

  • Page 35: Test Unit Performance Data Sheet

    TEST UNIT pERfORmANCE dATA SHEET The Test Unit Performance Data sheet information ready when calling. Make sure below is provided for use by a qualified to include the Model Number, Serial Num- service professional in the event that there ber, Date of Installation. is a problem with the unit.

  • Page 36: Maintenance

    Service should be performed by a the unit. qualified service agency. An annual sys- tem check is recommended. EMI units are designed and constructed for reliability and long life with minimal maintenance. To insure peak operating efficiency:...

  • Page 37: Troubleshooting Procedure

    TROUBLESHOOTINg pROCEdURE for Cassette Air Handlers WARNING EMI America Series air handlers are de- All service should be performed by a signed to operate with EMI America Se- qualified service technician. Before ries condensers. The air handler (indoor removing access panels or control...

  • Page 38: Power Supply Check

    INFRARED CONTROLLER W/ OpTIONAL WALL THERMOSTAT INTERCONNECT DIAgRAM – MODELS CAHB12, CAHB24, AND CACB36 pOWER SUppLY CHECK When troubleshooting any EMI product, it interconnect wiring. The interconnect wiring provides control communication between is important to first check the rating plate each device.

  • Page 39: Cooling Only Units

    Cassette. unit and wall thermostat. Refer to low Volt EMI heat pump systems utilize a revers- interconnect diagram Figures #12 or #13 ing valve is that is energized in the cool- for remote thermostat connection.
  • Page 40 Electric heat will energize (along with replaced. Contact EMI technical service for the compressor) when the deviation be- a replacement. tween room temperature and setpoint tem-...
  • Page 41 TROUBLESHOOTINg pROCEdURE Continued WALL THERmOSTAT CONTROL – mOdELS CAHA ANd CACA Continued ture. The outdoor unit and electric heat will To check for an electric heat signal, place stop while the indoor fan will remain on for a voltmeter across terminals “W” and “C” an additional sixty (60) seconds.
  • Page 42 The system has just been installed using sate is not being removed properly from an EMi indoor unit and a non-EMi con- the unit. Inspect all drain lines to ensure denser and the unit will not operate.
  • Page 43 IOM for the To check system charge you will need outdoor condensing unit. CASSETTE pERfORmANCE dATA NOTE: Due to EMI’s ongoing product development program, all designs and specifications are subject to change without notice. CASSETTE TECHNICAL dATA REfRIgERATION...

  • Page 44: Cassette Dimensions

    CASSETTE dImENSIONS Small Cabinet • Cassette 12 • 9,000-12,000 Btuh 8.13 2.67 .875Ø 25.00 2.88 1.41 2.04 25.86 22.57 25.00 12.76 1.73 5.13 2.16 11.34 22.50 Note: All dimensions in inches. Control 7.19 4.69 cassette 12 3.73 4.88 2.50 fEATURE qTy.
  • Page 45 CASSETTE dImENSIONS medium Cabinet • Cassette 24 • 18,000 - 24,000 Btuh 3.38 8.90 .875 Ø 37.00 3.65 1.41 2.00 35.61 30.40 37.00 18.69 1.97 5.12 12.05 2.72 32.44 Note: All dimensions in inches. Control 2.58 6.87 4.37 cassette 24 3.97 5.50 4.93...
  • Page 46 CASSETTE dImENSIONS Large Cabinet • Cassette 36 • 30,000 - 36,000 Btuh 8.90 37.00 3.38 .875Ø 3.65 1.41 2.04 47.78 49.26 44.68 24.73 1.97 5.12 14.01 REF. 2.72 32.44 Control 4.68 6.87 4.37 Note: All dimensions in inches. 4.00 5.47 5.00 cassette 36 29.19...
  • Page 47 CASSETTE ELECTRICAL SpECIfICATIONS NOTE: Due to EMI’s ongoing product development program, all designs and specifications are subject to change without notice. CASSETTE ELECTRICAL SpECIfICATIONS fan motor Elect Heat Total HACR model # m.C.A. AmpS Volt BRkR Volts/Hz/pH H.p. AmpS CAH_12 208/230/60/1 0.35...
  • Page 48 CASSETTE SySTEm mATCHES S2CA Side Cassette Discharge NOTE: CAH_ refers to CAHA or CAHB CAC_ refers to CACA or CACB COOLINg SySTEmS WITH S2CA SIdE dISCHARgE Condenser Cassette Btuh SEER CAH_12 S2CA9900 17,600 13.0 0.81 11.3 CAH_12 S2CA2200 23,000 13.0 0.74 11.4 CAH_12...
  • Page 49 CASSETTE SySTEm mATCHES T2CA/T2HA, T3CA/T3HA, & T4CA/T4HA Top Discharge Cassette NOTE: CAH_ refers to CAHA or CAHB CAC_ refers to CACA or CACB SySTEm OpTIONS WITH T2CA TOp dISCHARgE Condenser Cassette(s) Btuh SEER Ref. CAH_24 T2CA8800 34,000 13.0 0.79 11.4 CAH_24 T2CA4400 45,000...
  • Page 50 CASSETTE SySTEm mATCHES NOTE: CAH_ refers to CAHA or CAHB CAC_ refers to CACA or CACB SySTEm OpTIONS WITH T3HA TOp dISCHARgE Cooling Heating Cassette Condenser SEER Btuh Btuh CAH_12 T3HA9920 29,800 25,800 13.0 0.78 11.7 CAH_12 + T3HA9980 36,400 29,000 13.0 0.77...

  • Page 51: Air Handlers

    EmI’S HIgH EffICIENCy pROdUCT LINE AIR HANdLERS WLCA/WLHA CACA/CAHA & CACB/CAHB High Wall Air Handlers Cassette Air Handlers UNCA/UNHA Universal Air Handler CONdENSERS S1CA & S1HA Single Zone S2CA/S2HA Dual Zone Side Discharge Side Discharge T2CA/T2HA, T3CA/T3HA, T4CA/T4HA 2, 3 & 4 Zone Top Discharge www.enviromaster.com...
  • Page 52 ENVIROmASTER INTERNATIONAL LLC 5780 Success drive, www.enviromaster.com Rome, Ny 13440...

This manual is also suitable for:

S1ha9000S1ca4000S1ha8000S1ha4000S1ca3000S1ca2000 ... Show all

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