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ECR EMI AmericaSeries S1CG, Installation, Operation And Maintenance Manual

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ECR EMI AmericaSeries S1CG Installation, Operation And Maintenance Manual Download Page 34

S1CG/S1HG

 Single-Zone,  

S2CG/S2HG

 Dual-Zone 

•  Installation, Operation and Maintenance Manual  •

Comfort where it counts 

34

 

P/N 240007754, Rev. A [051509]

S2CG 

Dual zone

WLC/WLH

CAC/

CAH

UNC/UNH

S2CG electrical specifications

Table 13 

Capacity Volts/HZ/PH

Fan motor

Compressor

Total 

amps

Min 

volt

M.C.A. HACR 

BRKR

Circuit #1

Circuit #2

AMPS

HP

RLA

LRA

RLA

LRA

9900

208/230/60/1

0 .8

0 .125

3 .9

20

3 .9

20

7 .8

197

8 .7

15

9200

208/230/60/1

0 .8

0 .125

3 .9

20

5 .2

27

8 .8

197

10

15

2200

208/230/60/1

0 .8

0 .125

5 .2

27

5 .2

27

9 .8

197

11

15

S2CG

 performance data: Matched with EMI AmericaSeries Indoor Units

S2CG cooling systems with two wall units

Table 14 

Wall units

Condenser

Btuh

SEER

SHR

EER

Ref.

WLHG09

S2CG99

18,000

13 .0

0 .80

11 .9

R410A

WLHG12

S2CG22

24,000

13 .0

0 .72

12 .0

R410A

WLHG12

S2CG92

21,000

13 .0

0 .74

12 .0

R410A

S2CG cooling systems with two universal units

Table 15 

Air handlers

Condenser

Btuh

SEER

SHR

EER

Ref.

UNHG09

S2CG99

18,000

13 .0

0 .80

11 .9

R410A

UNHG12

S2CG22

24,000

13 .0

0 .72

12 .0

R410A

UNHG12

S2CG92

21,000

13 .0

0 .74

12 .0

R410A

S2CG cooling systems with two cassette units (_

Table 16 

_ = G or H)

Cassettes

Condenser

Btuh

SEER

SHR

EER

Ref.

CAH_09

S2CG99

18,000

13 .0

0 .75

11 .5

R410A

CAH_12

S2CG22  

24,000

13 .0

0 .75

11 .5

R410A

CAH_12

S2CG92  

21,000

13 .0

0 .75

11 .5

R410A

Specification and Dimensions 

(continued)

 

(see NOTICE on page 31)

Summary of Contents for EMI AmericaSeries S1CG

Page 1: ...plications S1CG or S1HG S1CG only Units 9 000 12 000 18 000 24 000 28 000 36 000 Btuh 2 6 3 5 5 3 7 0 8 3 10 5 kW Capacities Dual Zone Applications S2CG or S2HG Units 9 000 12 000 Btuh 2 6 3 5 kW Installation Operationand Maintenance Manual ECR International LLC 5780 Success Drive Rome NY 13440 www enviromaster com An ISO 9001 2000 Certified Company S1CG S1HG S2CG S2HG ...

Page 2: ...ne Condenser Sequence of Operation 29 Single zone and Dual zone Condenser Sequence of Operation Testing Defrost Operation Using Test Pins 30 Specification and Dimensions 31 Test Unit Performance Data Sheet 36 EMI s Product Line 40 To the Installer Retain this manual and warranty for futurereference Beforeleavingtheprem ises reviewthismanualtobesuretheunit has been installed correctly and run the u...

Page 3: ...ersonal injury or death Read all instructions before using this unit Install or locate this unit only in ac cordance with these instructions Use this unit only for its intended use as described in this manual Check the rating plate on the unit before installation to make certain the voltage shown is the same as the electric supply to the unit The rating plate is located on the front panel only Thi...

Page 4: ...tor Multiple units can be lined up in close proximity to an exterior wall Service valves are recessed to reduce tampering All9 000 12 000Btuhunitsareequipped withaDuratecPerformancePackagethat includes an oversized suction accumula tor with surge baffles and enhanced oil managementandafactory installedsolid core filter drier A factory installed crankcase heater is standard on S1HG 09 12 thermostat...

Page 5: ... or S1HG Field installed thermostatically con trolled crankcase heater for straight cool units S1CG or S2CG Installer supplied items Power wiring Low Volt wiring 18 awg minimum Secure mounting pad or foundation Refrigerantpiping ifnotpurchasedfrom EMI High Volt Disconnect Refrigerantforcharginginterconnectpip ing see charge table on page 15 NOTICE Low Ambient controls are required when the system ...

Page 6: ...ipingshouldbeadirect line to the indoor unit Site preparation Place the unit on a flat concrete surface 1 or pad if on the ground Roof mounting should use a build up platform to avoid intake of hot air from the roof In areas of heavy snowfall condensers 2 should be set above the maximum antici pated snow line 12 is usually adequate for most locations Unit Mounting Instructions Model S1CG is shown ...

Page 7: ...0007754 Rev A 051509 7 Made in the USA Mounting the Unit continued Remove front panel screws Figure 1 1 2 Remove front panel Figure 2 Bottom lag hole locations Figure 3 A A B C D E S1CG Shown Lag bolts A Filter drier B Compressor C Accumulator D Capacitor E Lag holes in feet Figure 4 S1CG Shown ...

Page 8: ...se only HACR type breakers or time 2 delay fuses Select the wire size according to the ampacity rating To access electrical connections and wir 3 ing diagram a Figure 6 Page 8 Remove the screws on the side panel adjacent to the back panel Thescrewsadjacenttothefrontpanel b shouldalreadybeloose don tremove them Slide the side panel out to access the c high low electrical connections and wire diagra...

Page 9: ...l in the 6 control box and attach L1 and L2 con nections Also run green wire to ground wire Check wiring diagram for the required 7 number of low voltage wires to be run between indoor and outdoor sections 8 Figure 9 Page 9 Connect the 24 volt wiring matching color to color Refer to the wiring diagram on the inside panel of the condenser and also refer to the wir ing diagram on the indoor unit Low...

Page 10: ...on Operation and Maintenance Manual Comfort where it counts 10 P N 240007754 Rev A 051509 Electrical Wiring continued Replacing side panel Figure 12 Fasten loose screws Figure 13 Completed wiring S1CG Figure 10 S1CG Shown Completed wiring S2CG Figure 11 ...

Page 11: ...Trap Height Liquid Line Suction Line H P O D O D 09 50 15 m 20 6 m 15 5 m 1 4 1 2 12 1 4 1 2 18 100 30 m 35 11 m 20 6 m 3 8 5 8 24 3 8 3 4 30 3 8 3 4 36 3 8 3 4 P trap installation A P trap is recommended when the suction riser is equal to or greater than show in Figure 14 Page 11 and Table 1 Page 11 Whenthecondenserisinstalledabovethe evaporator theP trapwillhelpthereturn of oil back to the compr...

Page 12: ...n no burrs remain on the fittings Cap ends of lines until ready for con nections Becertainthatplasticendcapsremain in place when inserting through wall openings Insulate the suction line Isolatetubingfromtransmittingvibra tion to the building or unit and avoid contact with sharp edges Wrap refrigeration valves with a wet rag heat sink to protect valves while brazing See Figure 16 Page 12 Refrigera...

Page 13: ...rm Refer to charts beginning on 5 page 17 to fine tune the refrigerant charge to meet your conditions CAUTION All systems require field charge adjust ments Refer to the Refrigerant Charge Tables for proper weight charge and to the supplied Single zone Operation Charts for proper system pressures and temperature at different outdoor condi tions Superheat should be used for final system charge CAUTI...

Page 14: ...t service valves are solid brass for sweat con nections CAUTION Pressure test all field installed piping with nitrogen Using a suitable vacuum pump evacuate the tubing and indoor unit to 500 microns or less with service valves remaining front seated closed Before releasing the refrigerant from the condenser be sure the manifold gauge set is closed so as not to lose vacuum when shutting down the pu...

Page 15: ...59 g m 63 0 S1HG4 WLH24 UNH24 64 oz ft 59 g m 74 0 S1CG3 CAC36 64 oz ft 59 g m 97 5 S1HG9 CAH09 25 oz ft 23 g m 51 52 S1CG6 CAC36 64 oz ft 59 g m 110 0 S1HG2 CAH12 25 oz ft 23 g m 45 75 S1CG9 WLH09 UNH09 25 oz ft 23 g m 39 5 S1HG8 CAH24 64 oz ft 59 g m 63 0 S1CG2 WLH12 UNH12 25 oz ft 23 g m 33 75 S1HG4 CAH24 64 oz ft 59 g m 74 0 S1CG8 WLH24 UNH24 64 oz ft 59 g m 65 25 S1CG4 WLH24 UNH24 64 oz ft 59...

Page 16: ... 2 CAHG09 25 oz ft 23 g m 40 40 S2HG99 2 CAHG09 25 oz ft 23 g m 40 40 S2CG22 2 CAHG12 25 oz ft 23 g m 34 34 S2HG22 2 CAHG12 25 oz ft 23 g m 34 34 S2CG92 CAHG09 CAC12 25 oz ft 23 g m 40 34 S2HG92 CAHG09 CAC12 25 oz ft 23 g m 40 34 S2CG99 UNHG09 25 oz ft 23 g m 40 40 S2HG99 UNHG09 25 oz ft 23 g m 40 40 S2CG22 UNHG12 25 oz ft 23 g m 34 34 S2HG22 UNHG12 25 oz ft 23 g m 34 34 S2CG92 UNHG09 UNHG12 25 oz...

Page 17: ...ative Humidity 50 85 F 80 F 75 F 5 15 25 35 90 110 130 150 170 250 310 370 430 490 550 65 75 85 95 105 115 OutdoorTemp F Note Minimum compressor superheat 5 F Compressor Superheat F Low Pressure psig High Pressure psig Cooling Cycle Model S1CG9000 S1HG9000 with EMI s CAHG09 R 410ARef RoomTemp F Relative Humidity 50 85 F 80 F 75 F Single zone Operation Charts NOTICE Performance data listed in this ...

Page 18: ...ative Humidity 50 85 F 80 F 75 F 5 15 25 35 90 110 130 150 170 250 310 370 430 490 550 65 75 85 95 105 115 OutdoorTemp F Note Minimum compressor superheat 5 F Compressor Superheat F Low Pressure psig High Pressure psig Cooling Cycle Model S1CG2000 S1HG2000 with EMI s CAHG12 R 410ARef RoomTemp F Relative Humidity 50 85 F 80 F 75 F Single zone Operation Charts continued NOTICE Performance data liste...

Page 19: ...e Humidity 50 85 F 80 F 75 F 5 15 25 35 90 110 130 150 170 250 310 370 430 490 550 65 75 85 95 105 115 OutdoorTemp F Note Minimum compressor superheat 5 F Compressor Superheat F Low Pressure psig High Pressure psig Cooling Cycle Model S1CG8000 S1HG8000 with EMI s CAHG24 R 410ARef RoomTemp F Relative Humidity 50 85 F 80 F 75 F Single zone Operation Charts continued NOTICE Performance data listed in...

Page 20: ...ative Humidity 50 85 F 80 F 75 F 5 15 25 35 90 110 130 150 170 250 310 370 430 490 550 65 75 85 95 105 115 OutdoorTemp F Note Minimum compressor superheat 5 F Compressor Superheat F Low Pressure psig High Pressure psig Cooling Cycle Model S1CG4000 S1HG4000 with EMI s CAHG24 R 410ARef RoomTemp F Relative Humidity 50 85 F 80 F 75 F Single zone Operation Charts continued NOTICE Performance data liste...

Page 21: ...e Humidity 50 85 F 80 F 75 F 5 15 25 35 90 110 130 150 170 250 310 370 430 490 550 65 75 85 95 105 115 OutdoorTemp F Note Minimum compressor superheat 5 F Compressor Superheat F Low Pressure psig High Pressure psig Cooling Cycle ModelS1CG3000 withEMI s CACG30 R 410ARef RoomTemp F Relative Humidity 50 85 F 80 F 75 F Single zone Operation Charts continued NOTICE Performance data listed in this manua...

Page 22: ... RoomTemp F Relative Humidity 50 85 F 80 F 75 F 0 10 20 30 50 70 90 110 130 230 260 290 320 350 380 10 20 30 40 50 60 OutdoorTemp F Liquid Subcooling F Low Pressure psig High Pressure psig Heating Cycle ModelS1HG9000 withEMI s WLHG09 UNHG09 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to cha...

Page 23: ...ity 50 75 F 70 F 65 F 0 10 20 30 50 70 90 110 130 230 260 290 320 350 380 10 20 30 40 50 60 OutdoorTemp F Liquid Subcooling F Low Pressure psig High Pressure psig Heating Cycle Model S1HG2000 with EMI s WLHG12 UNHG12 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to change without notice For t...

Page 24: ...midity 50 75 F 70 F 65 F 0 10 20 30 50 70 90 110 130 230 260 290 320 350 380 10 20 30 40 50 60 OutdoorTemp F Liquid Subcooling F Low Pressure psig High Pressure psig Heating Cycle Model S1HG2000 with EMI s WLHG12 UNHG12 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to change without notice Fo...

Page 25: ...ty 50 75 F 70 F 65 F 0 10 20 30 50 70 90 110 130 230 260 290 320 350 380 10 20 30 40 50 60 OutdoorTemp F Liquid Subcooling F Low Pressure psig High Pressure psig Heating Cycle Model S1HG8000 with EMI s WLHG24 UNHG24 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to change without notice For th...

Page 26: ...midity 50 75 F 70 F 65 F 0 10 20 30 50 70 90 110 130 230 260 290 320 350 380 10 20 30 40 50 60 OutdoorTemp F Liquid Subcooling F Low Pressure psig High Pressure psig Heating Cycle Model S1HG4000 with EMI s WLHG24 UNHG24 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to change without notice Fo...

Page 27: ...ling F Low Pressure psig High Pressure psig Heating Cycle Model S1HG4000 with EMI s CAH24 R 410ARef RoomTemp F Relative Humidity 50 75 F 70 F 65 F Single zone Operation Charts continued NOTICE Performance data listed in this manual is subject to change without notice For the most current unit system performance data please refer to the ECR International listing of certified products in the AHRI di...

Page 28: ...ectionorroomthermostat Therefore the system operation will be described in the manual pertaining to the indoor section EMI units are designed and constructed for reliability and long life with minimal maintenance You can assure peak operating efficiency by regularly inspecting for free air passage into and through the coil If debris collects on the air coil it should be cleaned by back flushing wi...

Page 29: ... mount or remote wall mount ther mostat make a connection between low volt terminals R and Y along with R and O heat pumps only When the indoor control is placed in cooling mode with the set point temperature below the room temperature the reversingvalvewillenergize R Oheatpumps only along with the compressor and outdoor fan R Y When the indoor control is satis fied and the room temperature falls ...

Page 30: ...s is to ensure that the condenser will remain on during the entire defrost test operation The condenser will operate in heating for ap proximately 20 seconds At that point the unit will enter defrost mode for approximately 2 seconds During this time the condenser fan will switch off the reversing valve will energize and the defrost board will energize the indoor electric heat relay through the W t...

Page 31: ...1 44 1118 68 210 S1CG6 36 7 178 23 15 16 608 3 76 12 7 16 316 38 965 15 381 48 1219 68 210 S2CG S2HG99 9 9 7 178 23 15 16 608 3 76 12 7 16 316 38 965 15 381 44 1219 68 159 S2CG S2HG22 12 12 7 178 23 15 16 608 3 76 12 7 16 316 38 965 15 381 44 1219 68 197 S2CG S2HG92 9 12 7 178 23 15 16 608 3 76 12 7 16 316 38 965 15 381 44 1219 68 187 Note 1 Sound levels are for cooling or heat pump for sizes up t...

Page 32: ...all units Table 6 Condenser Wall unit Btuh SEER SHR EER Ref WLC wlh S1CG9 WLHG09 9 000 13 0 0 74 12 2 R410A S1CG2 WLHG12 12 000 13 0 0 68 11 9 R410A S1CG8 WLHG24 18 000 13 0 0 77 12 0 R410A S1CG4 WLHG24 23 800 13 0 0 67 11 4 R410A S1CG3 WLCG30 28 200 13 0 0 79 11 7 R410A Cooling systems with universal units Table 7 Condenser Universal Btuh SEER SHR EER Ref UNC UNH S1CG9 UNHG09 9 000 13 0 0 74 12 2...

Page 33: ...OP Ref S1HG9 WLHG09 9 000 9 000 13 0 7 7 0 72 12 8 3 3 R410A S1HG2 WLHG12 12 000 11 400 13 0 7 7 0 69 11 8 3 3 R410A S1HG8 WLHG24 18 000 17 600 13 0 7 7 0 76 11 9 3 5 R410A S1HG4 WLHG24 23 800 20 600 13 0 7 7 0 71 11 9 3 5 R410A Heat pump systems with universal units Table 11 Condenser Universal Cooling Btuh Heating Btuh SEER HSPF SHR EER COP Ref S1HG9 UNHG09 9 000 9 000 13 0 7 7 0 72 12 8 3 3 R41...

Page 34: ...g systems with two wall units Table 14 Wall units Condenser Btuh SEER SHR EER Ref WLHG09 WLHG09 S2CG99 18 000 13 0 0 80 11 9 R410A WLHG12 WLHG12 S2CG22 24 000 13 0 0 72 12 0 R410A WLHG09 WLHG12 S2CG92 21 000 13 0 0 74 12 0 R410A S2CG cooling systems with two universal units Table 15 Air handlers Condenser Btuh SEER SHR EER Ref UNHG09 UNHG09 S2CG99 18 000 13 0 0 80 11 9 R410A UNHG12 UNHG12 S2CG22 2...

Page 35: ...PF SHR EER COP Ref WLHG09 WLHG09 S2HG99 18 000 17 600 13 0 7 7 0 80 11 9 3 3 R410A WLHG12 WLHG12 S2HG22 23 000 22 000 13 0 7 7 0 72 12 0 3 3 R410A WLHG09 WLHG12 S2HG92 21 000 20 000 13 0 7 7 0 74 12 0 3 3 R410A Heat pump systems with universal units Table 19 Air handlers Condenser Cooling Btuh Heating Btuh SEER HSPF SHR EER COP Ref UNHG09 UNHG09 S2HG99 18 000 18 000 13 0 7 7 0 80 11 9 3 3 R410A UN...

Page 36: ... Fan Motor Amps ID Fan Motor Volts ID Fan Motor Amps Total Volts Total Amps Temperatures Degrees F Compressor Suction Compressor Discharge Liquid Out Cond Liquid before Expansion Suction out Evaporator Capacity Calculations DB Temp Split at evap Test Summary Compressor Superheat Sub Cooling Test Unit Performance Data Sheet NOTICE TheTestUnitPerformanceDatasheetisprovided for use by a qualified ser...

Page 37: ...S1CG S1HG Single Zone S2CG S2HG Dual Zone Installation Operation and Maintenance Manual P N 240007754 Rev A 051509 37 Made in the USA Notes ...

Page 38: ...S1CG S1HG Single Zone S2CG S2HG Dual Zone Installation Operation and Maintenance Manual Comfort where it counts 38 P N 240007754 Rev A 051509 Notes ...

Page 39: ...S1CG S1HG Single Zone S2CG S2HG Dual Zone Installation Operation and Maintenance Manual P N 240007754 Rev A 051509 39 Made in the USA Notes ...

Page 40: ...G S1HG Single Zone Side Discharge S2CG S2HG Dual Zone Side Discharge WLC WLH High Wall Air handler CAc CAH Cassette Air handler UNC UNH Universal Floor or Ceiling Air Handler T2C T3C T4C and T2H T3H T4H 2 3 and 4 Zone Top Discharge EMI s Product Line Indoor Units Outdoor Units ...

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