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EMI S1CG Installation, Operation And Maintenance Manual

Single/dual-zone side-discharge ductless split-system condensing units for r410 refrigerant
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ECR International LLC
2201 Dwyer Ave
Utica, NY 13504
www.enviromaster.com
An ISO 9001-2000 Certified Company
S1CG/S1HG Single-Zone
S2CG/S2HG Dual-Zone
Side-Discharge Ductless Split-System
Condensing Units for R410 Refrigerant
Capacities — Single-Zone Applications
S1CG or S1HG
9,000
12,000
18,000
2.6
3.5
5.3
Capacities — Dual-Zone Applications
S2CG or S2HG
9,000
2.6
Installation, Operation and
Maintenance Manual
S1CG
S1HG
S2CG
S2HG
S1CG only
24,000
28,000
33,600
7.0
8.3
10.5
12,000
3.5
C [3/19/2010]
P/N 240007754, Rev.
Units
Btuh
kW
Units
Btuh
kW

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Summary of Contents for EMI S1CG

  • Page 1 S1CG/S1HG Single-Zone S2CG/S2HG Dual-Zone Side-Discharge Ductless Split-System Condensing Units for R410 Refrigerant Capacities — Single-Zone Applications S1CG or S1HG S1CG only Units 9,000 12,000 18,000 24,000 28,000 33,600 Btuh 10.5 Capacities — Dual-Zone Applications S2CG or S2HG Units 9,000 12,000...

  • Page 2: Table Of Contents

    EMI’s Product Line ........

  • Page 3: Important Safety Information

    EMI series high efficiency condensing Inspect all parts for damage prior to unit. Read these instructions thoroughly installation and start-up. Th e EMI series and carefully before att empting installa- high effi ciency condensing unit must be tion or operation. Failure to follow these...

  • Page 4: Verify Unit Before Installing

    • Low voltage terminal connections a 13 SEER rating. • H.P.S. (High pressure switch) with Th e S1CG Models 09–36 and S1HG Models manual external reset 09–24 condensing units will provide cooling • Heat pump hard start and heating for a single air handler, as identi- •...
  • Page 5 • Models 09–12 only: operation down to 0°F. – 115v (single-zone only — S1CG or This is accomplished by cycling the S1HG) condenser fan on and off. This will, – Field-installed thermostatically-con- in turn, maintain a constant low-side...

  • Page 6: Mounting The Unit

    (12" is usually adequate tion as possible. (see page 11 .) for most locations). • S1CG/S2CG — If the unit is used for low ambient cooling down to 32°F, S1CG/ Unit Mounting Instructions S2CG require CCH. •...
  • Page 7 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Mounting the Unit (continued) Figure 1 Remove front panel screws Figure 3 Bottom lag hole locations S1CG S1CG Shown Shown Lag bolts Filter drier Compressor Accumulator Capacitor Figure 4...

  • Page 8: Electrical Wiring

    S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Electrical Wiring Figure 5 Rating plate location NOTICE All electrical wiring must be run accord- ing to NEC and local codes. 1. Figure 5, Page 8 — Refer to the unit rat-...
  • Page 9 Low volt interconnect should be at least 18 awg. Figure 10, Page 10 and Figure 11, Page 10 for completed wiring of S1CG and S2CG examples. To replace side panel slide the slotted holes of the panel onto the loosened...
  • Page 10 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Electrical Wiring (continued) Figure 10 Completed wiring, S1CG Figure 12 Replacing side panel S1CG S1CG Shown Shown Figure 11 Completed wiring, S2CG Figure 13 Fasten loose screws Comfort where it counts...

  • Page 11: Refrigerant Piping

    fi lter drier installed in the liquid line, at the indoor unit on models without a factory-in- stalled fi lter drier (i.e. 18K and larger). Table 1 S1CG/S2CG tubing specifi ca- tions (see Table 14, Page 11 ) Model Max. Max.
  • Page 12 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Refrigerant Piping (continued) Figure 15 Clean ends of tubing CAUTION • Avoid piping on wet and rainy days. • Use only clean, refrigeration-grade copper tubing. • Use tubing benders to guard against kinking.

  • Page 13: Refrigerant Processing

    S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Refrigerant Processing Charging the unit Figure 18 Manifold set connections at unit Att ach manifold set, vacuum pump, & Micron Gauge. ( Figure 18 ). Evacuate line to 500 microns or less to ensure all moisture has been removed and there are no leaks (Figure 19).
  • Page 14 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Refrigerant Processing (continued) WARNING CAUTION It is illegal to discharge refrigerant into Pressure test all fi eld installed piping the atmosphere. Use proper reclaiming with nitrogen. Using a suitable vacuum methods &...
  • Page 15 Line Adjustment = (Line Charge/FT) x Line Length System Total = Factory Charge + Line Adjustment Round to the nearest ounce and allow for gauges and hoses. Table 2 S1CG/S1HG refrigerant charge table Air handler Line charge Factory Air handler...
  • Page 16 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Refrigerant Processing (continued) NOTICE – to fi nd charge adjustment To fi nd the charge adjustment and system charge for any air handler and tubing length: Line Adjustment = (Line Charge/FT) x Line Length System Total = Factory Charge + Line Adjustment Round to the nearest ounce and allow for gauges and hoses.

  • Page 17: Operation Charts

    • Installation, Operation and Maintenance Manual • Single-zone Operation Charts Cooling Cycle Cooling Cycle Model S1CG9000 & S1HG9000 Model S1CG9000 & S1HG9000 with EMI's-WLH09 & UNH09 (R-410A Ref.) with EMI's-CAHG09 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 °...
  • Page 18 Single-zone Operation Charts (continued) Cooling Cycle Cooling Cycle Model S1CG2000 & S1HG2000 Model S1CG2000 & S1HG2000 with EMI's-WLHG12 &UNHG12 (R-410A Ref.) with EMI's-CAHG12 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 ° F 85 °...
  • Page 19 Single-zone Operation Charts (continued) Cooling Cycle Cooling Cycle Model S1CG8000 &S1HG8000 Model S1CG8000 & S1HG8000 with EMI's-WLHG24 &UNHG24 (R-410A Ref.) with EMI's-CAHG24 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 ° F 85 °...
  • Page 20 Single-zone Operation Charts (continued) Cooling Cycle Cooling Cycle Model S1CG4000 &S1HG4000 Model S1CG4000 & S1HG4000 with EMI's-WLHG24 & UNHG24 (R-410A Ref.) with EMI's- CAHG24 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 °...
  • Page 21 • Installation, Operation and Maintenance Manual • Single-zone Operation Charts (continued) Cooling Cycle Cooling Cycle Model S1CG3000 Model S1CG3000 with EMI's-WLCG30 & UNCG30 (R-410A Ref.) with EMI's-CACG30 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 ° F 85 °...
  • Page 22 • Installation, Operation and Maintenance Manual • Single-zone Operation Charts (continued) Cooling Cycle Cooling Cycle Model S1CG6000 Model S1CG6000 with EMI's-CACG36 (R-410A Ref.) with EMI's-WLCG36 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 ° F 85 °...
  • Page 23 Single-zone Operation Charts (continued) Heating Cycle Heating Cycle Model S1HG9000 Model S1HG9000 with EMI's- WLHG09 & UNHG09 (R-410A Ref.) with EMI's- CAHG09 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 75 ° F 75 °...
  • Page 24 Single-zone Operation Charts (continued) Model S1HG2000 Heating Cycle with EMI's- CAH12 (R-410A Ref.) Model S1HG2000 with EMI's- WLHG12 & UNHG12 (R-410A Ref.) Room Temp ( °F) Relative Humidity 50% Room Temp ( °F) Relative Humidity 50% 75 ° F 70 ° F 75 °...
  • Page 25 • Installation, Operation and Maintenance Manual • Single-zone Operation Charts (continued) Model S1HG2000 Model S1HG2000 with EMI's- WLHG12 & UNHG12 (R-410A Ref.) with EMI's- CAH12 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 75 °...
  • Page 26 • Installation, Operation and Maintenance Manual • Single-zone Operation Charts (continued) Model S1HG8000 Model S1HG8000 with EMI's- WLHG24 & UNHG24 (R-410A Ref.) with EMI's- CAH24 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 75 °...
  • Page 27 • Installation, Operation and Maintenance Manual • Single-zone Operation Charts (continued) Model S1HG4000 Model S1HG4000 with EMI's- WLHG24 & UNHG24 (R-410A Ref.) with EMI's- CAH24 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 75 °...
  • Page 28 Multi-zone Operation Charts Cooling Cycle Cooling Cycle Model S2CG & S2HG 9,000 BTU Circuit Model S2CG & S2HG 12,000 BTU Circuit with EMI's-WLHG12 &UNHG12 (R-410A Ref.) with EMI's-WLHG12 &UNHG12 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 85 °...
  • Page 29 Heating Cycle Heating Cycle Model S2CG & S2HG 9,000 Circuits Model S2CG & S2HG 12,000 Circuits with EMI's- WLHG09 & UNHG09 (R-410A Ref.) with EMI's- WLHG12 & UNHG12 (R-410A Ref.) Room Temp ( °F) Room Temp ( °F) Relative Humidity 50% Relative Humidity 50% 75 °...

  • Page 30: Starting The Unit

    Starting the Unit Operation and Maintenance 9,000– 12,000 Btuh units Th e S1CG/S1HG and S2CG/S2HG outdoor sections are the compressor bearing units of In low ambient cooling, if a crankcase heater is the system. It operates at the command of the...

  • Page 31: Single-Zone And Dual-Zone Condenser Sequence Of Operation

    Single-zone and Dual-zone Condenser Sequence of Operation EMI Series condensers are designed to operate reversing valve will energize (R & O heat pumps with EMI Series air handlers. Both the condens- only) along with the compressor and outdoor er (outdoor unit) and air handler (indoor unit) fan (R &...

  • Page 32: Single-Zone And Dual-Zone Condenser Sequence Of Operation

    S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Single-zone and Dual-zone Condenser Sequence of Operation Testing Defrost Operation Using Test Pins to rise within the condenser coil to melt off Figure 21 Defrost control board (S1H shown) any ice build-up.

  • Page 33: Specifi Cation And Dimensions

    S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Specifi cation and Dimensions NOTICE Performance data listed in this manual is subject to change without notice. For the most cur- rent unit/system performance data, please refer to the ECR International listing of certifi ed products in the AHRI directory, at www.ahridirectory.org.
  • Page 34 S1CG3D 208/230/60/1 0.330 11.6 13.4 16.3 S1CG6D 208/230/60/1 0.330 11.5 13.3 16.2 S1CG performance data: Matched with EMI Series Indoor Units Table 6 Cooling systems with wall units Condenser Wall unit Btuh SEER Ref. S1CG9 WLHG09 9,000 13.0 0.74 12.2...
  • Page 35 208/230/60/1 0.125 S1HG2D 208/230/60/1 0.125 S1HG8D 208/230/60/1 0.125 S1HG4D 208/230/60/1 0.125 10.8 S1HG performance data: Matched with EMI Series Indoor Units Table 10 Heat pump systems with wall units Cooling Heating Condenser Wall unit SEER HSPF Ref. Btuh Btuh S1HG9...
  • Page 36 BRKR AMPS 9900 208/230/60/1 0.125 9200 208/230/60/1 0.125 2200 208/230/60/1 0.125 S2CG performance data: Matched with EMI Series Indoor Units Table 14 S2CG cooling systems with two wall units Wall units Condenser Btuh SEER Ref. WLHG09+WLHG09 S2CG99 18,000 13.0 0.73 12.1...
  • Page 37 BRKR AMPS 9900 208/230/60/1 0.125 9200 208/230/60/1 0.125 2200 208/230/60/1 0.125 S2HG performance data: Matched with EMI Series Indoor Units Table 17 Heat pump systems with wall units Cooling Heating Wall units Condenser SEER HSPF Ref. Btuh Btuh WLHG09+WLHG09...

  • Page 38: Test Unit Performance Data Sheet

    S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Test Unit Performance Data Sheet NOTICE Th e Test Unit Performance Data sheet is provided Have this information ready when calling. Make sure to include the Model Number, Serial Num- for use by a qualifi ed service professional in the ber, and Date of installation.
  • Page 39 S1CG/S1HG S2CG/S2HG Single-Zone, Dual-Zone • Installation, Operation and Maintenance Manual • Notes Made in the USA P/N 240007754, Rev. C [3/19/2010]...

  • Page 40: Emi's Product Line

    T2C, T3C, T4C and T2C, T3C, T4C and T2H, T3H, T4H; 2, 3 and 4 T2H, T3H, T4H; 2, 3 and 4 Zone Top Discharge Zone Top Discharge S1CG & S1HG S1CG & S1HG Single Zone Side Discharge S2CG &S2HG S2CG &S2HG...

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