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Nominal Circuit Capacities:
9,000 & 12,000
Btuh units.
Enviromaster International LLC
5780 Success Dr.
An ISO 9001-2000 Certified Company
Rome, NY 13440
www.enviromaster.com P/N# 240006458 Rev. 1.0 [01/07]
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EMI AMERICA SERIES MULTI-ZONE HEAT PUMP CONDENSING UNITS INSTALLATION, OPERATION AND MAINTENANCE MANUAL P/N 240006458, Rev. 1.0 [01/07] This manual is intended as an aid to a qualified service personnel for proper installation, operation, and maintenance of these EMI America Series multi-zone heat pump condensing units. Read the instructions thoroughly and carefully before attempting installation or operation. Failure to follow these instructions may result in improper installation, operati
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EMI AMERICA SERIES MULTI-ZONE HEAT PUMP CONDENSING UNITS DESCRIPTION INSTALLER SUPPLIED ITEMS EMI offers the finest dual zone heat pump • Power wiring outdoor units in the ductless split market, • Low Volt wiring - 18 AWG minimum the S2HA Condensing Unit. The S2HA • Secure mounting pad or foundation allows the installation of two circuits from • Refrigerant piping (if not supplied) a single outside location when space or • Disconnect switch aesthetic requirements limit the use of the number
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INSTALLATION INSTRUCTIONS UNIT MOUNTING SECTION Accumulator Compressor Capacitor Side discharge unit allows for permanent mounting through the feet. This is highly recommended due to the vertical design of the unit. 1. Loosen the screws on left and right sides of the front panel. (Do not remove these screws.) Filter Driers Lag Bolts 5. Insert lag bolts through the holes in the bottom of the unit and tighten to secure. 2. Remove the screws on the front of the panel. 3. To remov
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ELECTRICAL WIRING INSTALLATION SECTION DANGER ! ! 3. Use only HACR type breakers or time delay fuses. Select the wire size accord- The EMI America Series condensing ing to the ampacity rating. unit must: • Be connected to a properly grounded 4. To access electrical connections and electrical supply with the proper voltage wiring diagram: as stated on the rating plate. a) Remove the screws on the side panel • Have proper over current protection (i.e. adjacent to the back panel. time-
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ELECTRICAL WIRING INSTALLATION SECTION Inside electrical access panel. Note: Refer to the units’ wiring diagram for all wiring. Wire Diagram Low Volt High Volt Plastic Edge Guards 8. Check wiring diagram for the re- quired number of low voltage wires to be run between indoor and out- door sections. 9. Connect the 24 Volt wiring matching color to color. Refer to the wiring diagram on the Low Volt Connection inside panel of the condenser, and also refer to the wiring diagram on the indoor
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REFRIGERANT PIPING INSTALLATION SECTION INTERCONNECTING TUBING • Be certain no burrs remain on the SPECIFICATIONS fittings. MAX. Max. Liquid Suction Model • Use only clean refrigeration tubing. Length Lift Line O.D. Line O.D. • Use tube benders to guard against 9900 100’ 35’ 1/4" 1/2" kinking. 2200 100’ 35’ 1/4" 1/2" • Avoid piping on wet and rainy days 9200 100’ 35’ 1/4" 1/2" and insulate suction line. Be certain The system will support refrigerant runs that plastic end caps remain
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REFRIGERANT PIPING INSTALLATION SECTION 1. Clean the ends of tubing and insert into 4. Braze tubing into fi ttings. fi ttings. S1C Shown 5. Verify that the correct piston for the sys- 2. Protect the valves by wrapping with a tem match is in place, refer to the air wet rag "heat sink" before brazing. handler Installation Instructions. 6. Refer to the indoor air handler Installa- tion Instructions for any specifi c details regarding the connection of tubing. Connect and braze tubing into the in-
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REFRIGERANT PIPING INSTALLATION SECTION S1CA S2CA Shown Shown The units are delivered precharged with refrigerant for the condenser coil and the evaporator. Charging of the field installed Refer to Refrigerant piping is required. Refer to the refrigerant Charge Table for charge table for the proper amount to be specified line charge. added for the applications interconect pip- ing. Unit service valves are solid brass, for sweat connections. Note: Charging should be done with a IMPORTANT:
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REFRIGERANT PIPING INSTALLATION SECTION REFRIGERANT CHARGE TABLE FOR S2HA FACTORY SYSTEM CIRCUIT EVAPORATOR LINE LINE LINE CHARGE TOTAL CAPACITY PAIRING CHG/FT LENGTH ADJUST S2HA S2HA 10 3 OZ. 45 WLHA09, CAHB12 9,000 Btuh .25 OZ. 25 6 OZ. 42 48 WLHA12, CAHB12 50 13 OZ. 55 10 3 OZ. 49 WLHA12 12,000 Btuh .25 OZ. 25 6 OZ. 46 52 CAHB12 50 13 OZ. 59 IMPORTANT NOTES: 1. To find the charge adjustment and system charge for any evaporator and tubing length: Line Adjustment = (Line Charge/FT) x Line Leng
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FIELD CHARGING Cooling Cycle Cooling Cycle S2HA 9,000 Btuh circuit S2HA 12,000 Btuh circuit with EMI’s-WLHA09 or CAHA12 ( ������ �� �� with EMI’s-WLHA09 or CAHB12 ( ������ �� �� ��� ��� � � ���� ��� � ����� � � ���� ��� � ����� � ��� ��� ��������� ����� � ��� ��� ��������� ����� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� �� �� �� �� �� �� ����� ����� ����� ����� �� �� ����� ����� �� �� �� �� �� �� �� �� ��� ��� ���� ��� ��� ��� ���� ��� ���� ��� ��� ��� ���� ��� ��� �� ���� ��� � �� ��� ��� �� ����
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FIELD CHARGING Heat Cycle Heat Cycle S2HA 9,000 Btuh circuit S2HA 12,000 Btuh circuit with EMI WLHA09 or CAHB12 ( ������ �� �� with EMI WLHA12 or CAHB12 ( ������ �� �� � � ���� ��� � ����� ��� ��� � � ���� ��� � ����� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� �� ����� �� ����� ����� ����� ����� ����� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � � ���� ��� ��� ��� ��� �� ���� ��� ��� ��� ��� �� ��� �� ���� ��� � �� ������������� ��� �� ���� ��� � �� ������������� � �������� ��������������������� � �
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REFRIGERANT PIPING INSTALLATION SECTION FIELD CHARGING Instructions: NOTE: If operating superheat is more 1. Measure suction pressure and determine than 5°F above the chart value, add evaporator-refrigerant temperature on refrigerant. If below the chart value R-22 scale of low-side gauge. remove refrigerant. If below the limit 2. Measure suction-line temperature on line, remove refrigerant. suction line of the unit. 3. Measure outdoor and indoor tempera- Example (Using the 12,000 Btuh coo
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START-UP AND TROUBLESHOOTING TEST PROCEDURE The Test Unit Performance Data sheet ready when calling. Make sure to include the Model Number, Serial Number, Date below is provided for use by a qualified of Installation. service professional. In order for our Techni- Call our Technical Support Department cal Service Department to better serve you, @ 1-800-228-9364. please complete and have this information Test Unit Performance Data Date: Model Number Technician: Serial Number Mode: Coolin
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MULTI-ZONE CONDENSER SEQUENCE OF OPERATION EMI America Series multi-zone heat pump Heat pump condensers utilize a reversing condensers are designed to operate with valve to provide reverse cycle operation. EMI America Series indoor air handlers. Therefore the outdoor unit will act as ei- Both the condenser (outdoor unit) and ther a condenser or an evaporator there- evaporator (indoor unit) have a high Volt by providing comfort cooling or heating to service connection. Each is to be indepen
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MULTI-ZONE CONDENSER SEQUENCE OF OPERATION When the outdoor temperature falls below Note: For full operation the indoor unit 35°F, compressor operation will cease. At must have an electric heater. that point the unit will switch on the indoor units electric heater to assume the heating demand, (second stage of heat). S2HA LOW VOLT INTERCONNECT DIAGRAMS WLHA Wall unit C AHB HE AT PUMP Heat Pump Applications L OW VOL TAGE INTE R C ONNE C T DIAGR AM O.D. UNIT I.D. UNIT OPTIONAL WAL
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S2HA DIMENSIONS AND SPECIFICATIONS NOTE: All EMI products are subject to ongoing development programs so design and specifications may change without notice. 15” 38” Easy access interconnects 44” on back of unit 1/2” Diameter Lag Holes Front of unit 3.00” Electrical connections 12.44” 28.74” 4.63” 4.63” S2HA ELECTRICAL SPECIFICATIONS FAN COMPRESSOR 1 COMPRESSOR 2 MIN. CIR. MODEL TOTAL HACR VOLTS/HZ/PHASE AMPS (1) AMPS BRKR RLA HP RLA LRA RLA LRA (2) 9900 208-230/60/1 1.8 0.33 3.4 23 3.4
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S2HA SYSTEM PERFORMANCE WLHA WLHA S2HA S2HA / WLHA SYSTEM PERFORMANCE MODEL COOLING HEATING S2HA Indoor Units Btuh SEER SHR EER Btuh C.O.P. (Outdoor) 9900 WLHA09 + WLHA09 18,600 13.0 .80 12.2 16,000 3.3 2200 WLHA12 + WLHA12 22,600 13.0 .72 11.9 20,400 3.3 9200 WLHA09 + WLHA12 20,600 13.0 .76 12.0 18,200 3.3 CAHB CAHB S2HA S2HA / CAHB SYSTEM PERFORMANCE MODEL COOLING HEATING S2HA Indoor Units Btuh SEER SHR EER Btuh C.O.P. (Outdoor) 9900 CAHB12 + CAHB12 18,600 13.0 79 11.7 15,700 3.1 2200 CAHB12 +
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Phone: 1-800-228-9364 5780 Success Drive, Fax: 1-800-232-9364 Rome, NY 13440
