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S1C/S1H Single-Zone & S2C Dual-Zone
SiDe DiSCHarge DuCtleSS Split SyStem
ConDenSing unitS
Straight Cool/heat pump S1C/S1h
Nominal Circuit Capacities S1C/S1H:
9,000, 12,000, 18,000, 24,000 Btuh and
S1C 30-36 Btuh
Cooling only S2C
Nominal Circuit Capacities:
9,000-12,000 Btuh
S1C/S1h
S2C
Enviromaster International LLC
5780 Success Dr.
An ISO 9001-2000 Certified Company
Rome, NY 13440
www.enviromaster.com P/N# 240005897 Rev. B [05/08]
inStallation, operation anD maintenanCe manual
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S1C/S1H Single-Zone & S2C DUal-Zone ConDenSing UnitS inStallation, operation anD maintenanCe manUal This manual is intended as an aid to a qualified service personnel for proper installation, operation, and maintenance of EMI AmericaSeries high efficiency condensing units. Carefully read these instructions before attempting installation or operation. Failure to follow these instructions may result in improper installation, operation, service, or maintenance, possibly resulting in fire, el
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proDUCt DeSCription ControlS anD ComponentS (Factory Installed or Supplied) The AmericaSeries S1C/H and S2C • Compressor and fan motor contactor condensing units are, air-cooled, vertically • Run capacitor arranged side discharge, high efficiency • Loss of charge switch (09 - 12 only) units designed specifically to meet or ex- • Low voltage terminal connections ceed a 13 SEER rating. • Large capacity suction accumulator The S1C 9,000-36,000 Btuh and S1H (09 - 12 only) 9,000-24,000 Btuh
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inStallation inStrUCtionS SYStem optionS (cont.) void the warranty. A Field Installed Low- Unit moUnting inStrUCtionS Ambient kit is good for operation down to S1C is shown 32º F. This is accomplished by cycling the Side discharge unit allows for per- condenser fan on and off, which will in turn manent mounting through the feet. This is maintain a constant low side pressure pro- highly recommended due to the vertical viding a steady cooling effect and keeping design of the unit. the air
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inStallation inStrUCtionS Unit moUnting inStrUCtionS eleCtriCal Wiring Continued 1. All electrical wiring must be run accord- ing to NEC and local codes. Compressor Accumulator Capacitor 2. Refer to the unit rating plate for voltage, minimum circuit ampacity and over cur- rent protection requirements. S1C Shown Rating Filter Drier Plate Lag Bolts 5. Insert lag bolts through the holes in the bottom of the unit and tighten to secure. 3. Use only HACR type
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inStallation inStrUCtionS 8. Check wiring diagram for the required c. Slide the side panel out to access the number of low voltage wires to be run high/low electrical connections and wire diagram. between indoor and outdoor sections. S1C S1C Shown High Volt Low Volt plastic edge guards low Volt Connection Note: Remove the plastic edge guards from the holes and replace with a water- 9. Connect the 24 volt wiring matching color tight strain relief fitting (High V) and a split to color. Ref
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inStallation inStrUCtionS eleCtriCal Wiring reFrigerant piping Continued interConneCting tUbing SpeCiFiCationS S1 maX. max. liquid Suction model length lift line o.D. line o.D. 09 100’ 35’ 1/4" 1/2" 12 100’ 35’ 1/4" 1/2" 18 100’ 35’ 3/8" 5/8" 24 100’ 35’ 3/8" 3/4" 30 100’ 35’ 3/8" 3/4" 36 100’ 35’ 3/8" 3/4" S2C tUbing SpeCiFiCationS line Sizes o.D. Circuit Size liquid Suction 09, 12 1/4” 1/2” The system will support refriger- ant runs to the inside unit of up to 100' equivalent f
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inStallation inStrUCtionS p-trap inStallation • A P-trap is recommended when the suc- ricated trap may be purchased from a tion riser is equal to or greater than 20 wholesaler or distributor however the trap feet in height. should be shallow as the (3) elbow con- figuration. Each elbow is approximately • When the condenser is installed above 2 equivalent feet. One P-trap is equal to the evaporator, the P-trap will help the approximately 12 equivalent feet. return of oil back to the compres
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inStallation inStrUCtionS reFrigerant piping Continued 1. Clean the ends of tubing and insert into fittings. S2C S1C Shown S1C 5. Attach manifold set. Shown Manifold Vaccum Pump Micron Gage 2. Protect the valves by wrapping with a wet rag "heat sink" before brazing. S1C Shown manifold Setup For evacuation S1C Shown 6. Evacuate line to 500 microns or less to ensure all moisture has been removed and there are no leaks. 3. We recommend the use of a shield (can be made from some scrap meta
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inStallation inStrUCtionS Complete piping ConneCtionS 8. Charge to proper weight, charge 9. Refer to Charts on page 12 to “fine based on feet of interconnect (tables tune” the refrigerant charge to meet starting on page 10). your conditions. S1C S2C Shown Shown Note: Charging should be done with a dial-a-charge or weighed in with a scale. reFrigerant proCeSSing important noteS: 1. To find the charge adjustment and system charge for any evaporator and tubing length: Line Adjustment = (Line C
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inStallation inStrUCtionS reFrigerant proCeSSing Continued S2C reFrigerant CHarge table ConDenSer eVaporator pairing line CHg/Ft FaCtor Y CHarge S2C99 WLH09 .25 oz. 28 oz./ 28 oz. S2C22 WLH12 .25 oz. 33 oz./ 33 oz. S2C92 WLH09+WLH12 .25 oz. 28 oz./ 33 oz. S2C99 CAC12 .25 oz. 28 oz./ 28 oz. S2C22 CAC12 .25 oz. 33 oz./ 33 oz. S2C92 CAC12 .25 oz. 28 oz./ 33 oz. S2C99 UNH09 .25 oz. 28 oz./ 28 oz. S2C22 UNH12 .25 oz. 33 oz./ 33 oz. S2C92 UNH09+UNH12 .25 oz. 28 oz./ 33 oz. Warning important : All s
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Single Zone operation CHartS Side Discharge Condensers www.enviromaster.com 12
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Single Zone operation CHartS Side Discharge Condensers www.enviromaster.com 13
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Single Zone operation CHartS Side Discharge Condensers www.enviromaster.com 14
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Single Zone operation CHartS Side Discharge Condensers www.enviromaster.com 15
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Single Zone Heat pUmp operation CHartS Side Discharge Condensers www.enviromaster.com 16
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Single Zone Heat pUmp operation CHartS Side Discharge Condensers www.enviromaster.com 17
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DUal Zone operation CHartS Side Discharge Condensers www.enviromaster.com 18
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preperation For Start-Up Starting tHe Unit • Remove gauge set. Mount all access panels and make sure they are prop- • In low ambient cooling 9-12 Btuh units, erly secured. if a crankcase heater is installed, • Make final visual inspection and repair power the system 24 hours before any deficiencies. attempting to start the unit in cool weather (below 60° F). note: A hard start kit may be required • After doing a final system check using for units in low voltage applications. the Opera
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Single-Zone anD DUal-Zone SeqUenCe oF operation (R & Y) will energize. When the indoor Note: For remote wall mounted ther- control is satisfied and the room temper- mostat operation be sure to select EMI ature rises above the set temperature, p/n 240004180 or a suitable 24v, two the compressor and fan will de-energize. sage heating, heat pump thermostat. The anti-short cycle timer (ASCT) will prevent the compressor from re-starting Condenser operation: The transform- for three m
