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MULTI-ZONE LIMITED RANGE HEAT PUMP
S2HA HEAT PUMPS
Nominal Circuit Capacities:
9,000 & 12,000
Btuh units.
Enviromaster International LLC
5780 Success Dr.
Rome, NY 13440
www.enviromaster.com
EMI AMERICA SERIES
CONDENSING UNITS
S2HA Multi-Zone
An ISO 9001-2000 Certified Company
P/N# 240006458 Rev. 1.0 [01/07]
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- Page 1 EMI AMERICA SERIES MULTI-ZONE LIMITED RANGE HEAT PUMP CONDENSING UNITS S2HA HEAT PUMPS Nominal Circuit Capacities: 9,000 & 12,000 Btuh units. Enviromaster International LLC 5780 Success Dr. Rome, NY 13440 www.enviromaster.com S2HA Multi-Zone An ISO 9001-2000 Certified Company P/N# 240006458 Rev. 1.0 [01/07]...
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Page 3: Safety Instructions
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, operation, service, or maintenance, possibly resulting in fire, electrical shock, property damage, personal injury, or death. - Page 4 EMI AMERICA SERIES MULTI-ZONE HEAT PUMP CONDENSING UNITS DESCRIPTION EMI offers the finest dual zone heat pump outdoor units in the ductless split market, the S2HA Condensing Unit. The S2HA allows the installation of two circuits from a single outside location when space or aesthetic requirements limit the use of the number of cabinets outdoors.
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Page 5: Installation Instructions
2. Remove the screws on the front of the panel. 3. To remove front panel: 4. Slide front panel forward to clear side screws and remove. Multi-zone Heat Pump Condensing Units INSTALLATION INSTRUCTIONS UNIT MOUNTING SECTION Accumulator 5. Insert lag bolts through the holes in the bottom of the unit and tighten to secure. - Page 6 fire, explosion, or electrical shock causing property damage, personal injury, or death. DANGER Do not use the EMI America Series condensing unit with any electrical supply voltage other than the one listed on the rating plate. Check the rating plate on the unit for the correct voltage rating.
- Page 7 Low Volt Connection Completed Electrical Connections Multi-zone Heat Pump Condensing Units Multi-zone Heat Pump Condensing Units Inside electrical access panel. Wire Diagram Low Volt 9. Connect the 24 Volt wiring matching color to color.
- Page 8 (2) street elbows and (2) regular elbows. A prefabricated trap may be purchased from a Wholesaler Multi-zone Heat Pump Condensing Units • Be certain no burrs remain on the Suction • Use only clean refrigeration tubing. Line O.D. • Use tube benders to guard against 1/4"...
- Page 9 3. The use of a shield is recommend (one can be made from some scrap metal) to protect the paint. Multi-zone Heat Pump Condensing Units 4. Braze tubing into fi ttings. Shown 5. Verify that the correct piston for the sys- tem match is in place, refer to the air handler Installation Instructions.
- Page 10 S1CA Shown 11. Refer to Field Charging Charts to “fine tune” the refrigerant charge to meet your conditions. Multi-zone Heat Pump Condensing Units S2CA Shown The units are delivered precharged with refrigerant for the condenser coil and the evaporator. Charging of the field installed piping is required.
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Page 11: Field Charging
A mercury or stem-type thermometer is not adequate for suction-line temperatures. We recom- mend electric thermocouple thermometers (available at most refrigeration wholesal- Multi-zone Heat Pump Condensing Units LINE LINE CHG/FT LENGTH ADJUST .25 OZ. -
Page 12: Cooling Cycle
Cooling Cycle S2HA 9,000 Btuh circuit with EMI’s-WLHA09 or CAHA12 (���� ����� ��� ���� ����� ���� �������� �������� ��� ��� ��� ��� ��� ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � ��... - Page 13 Heat Cycle S2HA 9,000 Btuh circuit with EMI WLHA09 or CAHB12 (���� ����� ��� ���� ����� ���� ��� ��� ��� ��� ��� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � �� �� ��...
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Page 14: Starting The Unit
- Heating mode superheat is set with a TXV and should be 5°F. When charging a system in heat mode, use the subcool method field charging charts. Multi-zone Heat Pump Condensing Units FIELD CHARGING Instructions: 1. Measure suction pressure and determine evaporator-refrigerant temperature on R-22 scale of low-side gauge. - Page 15 Save this information for future servicing. In the event there is a problem with the unit. Perform the test again (if possible) and have both sets of data Multi-zone Heat Pump Condensing Units ready when calling. Make sure to include the Model Number, Serial Number, Date of Installation.
- Page 16 (R & Y). When the indoor control is satis- fied and the room temperature falls below the set temperature, the compressor and fan will de-energize. The EMI indoor unit is equipped with an anti-short cycle timer (ASCT) will prevent the compressor from re-starting for three minutes.
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Page 17: Operation And Maintenance
(Y ) B L K (G ) G R N us e a " C " terminal All EMI products are subject to ongoing de- velopment programs so design and specifi- cations may change without notice. Please consult the factory for more information. - Page 18 S2HA DIMENSIONS AND SPECIFICATIONS NOTE: All EMI products are subject to ongoing development programs so design and 15” 38” 44” Front of unit MODEL VOLTS/HZ/PHASE 9900 208-230/60/1 2200 208-230/60/1 9200 208-230/60/1 (1) Circuit Designators: 9 = 9,000 Btuh • 2 = 12,000 Btuh (ex. - Model 9200 consists of one 9,000 Btuh compressor and one 12,000 Btuh compressor) (2) Always refer to the rating plate for Minimum Circuit Ampacity on all multiple compressor units.
- Page 19 CAHB S2HA / CAHB SYSTEM PERFORMANCE MODEL S2HA Indoor Units (Outdoor) 9900 CAHB12 + CAHB12 2200 CAHB12 + CAHB12 9200 CAHB12 + CAHB12 Multi-zone Heat Pump Condensing Units WLHA COOLING Btuh SEER 18,600 13.0 22,600 13.0 20,600 13.0 CAHB COOLING...
- Page 20 Phone: 1-800-228-9364 5780 Success Drive, Fax: 1-800-232-9364 Rome, NY 13440...