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Heating capacity input (Btuh) - Natural Gas

Model No.

GCS16-411-50

GCS16-651-125

Heating capacity output (Btuh) - Natural Gas

Heating capacity input (Btuh) - **LPG

Heating capacity output (Btuh) - **LPG

A.F.U.E. Natural/**L.P.G.

California Seasonal Efficiency Natural/**L.P.G.

ARI Standard 270 SRN (bels)

*ARI

Standard

210

Ratings

Total Cooling Capacity (Btuh)

Total unit watts

SEER (Btuh/Watts)

EER (Btuh/Watts)

Refrigerant (R-22) charge
Evaporator

Blower

Blower wheel nominal dia. x width (in.)

Motor horsepower

Air volume range (cfm)

Evaporator

Coil

Net face area (sq. ft.)

Tube dia. (in.) & No of rows & Fins/in.

Condenser

Coil

Net face area (sq. ft.) outer/inner

Tube diameter (in.) & Number of rows

Fins per inch

Condenser

Fan

Diameter (in.) & Number of blades

Air volume (cfm)

Motor horsepower & Motor watts

Gas Supply Conn. fpt (in.) - Natural & **LPG

Recommended Gas

Supply Pressure (wc. in.)

Natural

**LPG

Condensate drain size mpt (in.)

Line voltage fuse size (amps)

Minimum circuit

Electrical characteristics

**Optional LPG Conversion Kit

Optional Lifting Lug Kit

Optional Condenser Coil Guards

50,000

100,000

37,000

50,000

37,000

78.0%/78.0%

73.1%/73.1%

LB-62090DA

77,000

90,000

67,000

79.7%/79.5%

76.4%/75.9%

7.8

34,400

3950

9.70

8.70

4 lbs. 12 oz.

10 x 8

1/2

900 - 1500

4.10

3/8 - 2 - 15

8.70/8.40

3/8 - 2

20 - 4

2200

1/6 - 240

1/2

3/4

208/230 volts - 60 hz - 1 or 3 phase 460 or 575 volts - 3 phase

LB-62090DB

GCS16-411-100

GCS16-511-125

GCS16-651-75

125,000

95,000

112,500

85,000

78.3%/78.5%

75.0%/75.0%

8.0

46,500

5410

9.70

8.60

5 lbs. 8 oz.

11-1/2 x 9

3/4

1200 - 2000

5.30

3/8 - 2 - 15

14.30/5.90

3/8 - 2

24 - 4

3880

1/4 - 340

1/2

3/4

75,000

58,000

67,500

52,000

78.4%/78.4%

72.6%/72.3%

78.3%/78.5%

75.0%/75.0%

7.8

58,500

6570

10.0

8.90

7 lbs. 0 oz.

11-1/2 x 9

3/4

1500 - 2500

6.20

3/8 - 2 - 15

14.30/13.70

3/8 - 2

24 - 4

3770

1/4 - 360

1/2

3/4

LB-62090DC

LB-62090DD

LB-82199CB

125,000

95,000

112,500

85,000

Optional Outdoor Air Dampers (manual)

OAD16-65

OAD16-41

GCS16-413-50

GCS16-413-100

GCS16-513-125

GCS16-653-75

GCS16-653-125

Data

(60hz)

Recommended max.

ampacity

208/230v

1 ph

3 ph

460v - 3 ph
208/230v

1 ph

3 ph

460v - 3 ph

27.0

36.0

42.0

20.0

26.0

29.0

10.0

14.0

16.0

Optional Downflow adaptor kit Model no, Filters

Optional Roof Mounting Frame

Optional

Economizer

Dampers

Model No.

3 position

Modulating

No. & size

of filters (in.)

Optional

Economizer

Dampers

Model No.

3 position

Modulating
No. & size

of filters (in.)

Horizontal

LB-62125DA

LB-82199CC

Optional Ceiling Supply and

Return Air Diffusers

Step Down

Flush

Transition

Optional Controls Selection

Electromechanical Thermostat

Honeywell W973 Control System with T7067 Thermostat

Honeywell W7400 Control System with T7400 Thermostat

Flexstat Thermostat (discontinued as an option after August 1989)

Prostat Thermostat

T7300 Thermostat

Commercial Controls

Optional Control Mounts

Downflow application

Horizontal application

Optional Gravity Exhaust Dampers

Optional Roof Curb Power Entry Kit

DF16-65, (1) 20x25x1 (polyurethane)

DF16-41, (1)16x25x1 (polyurethane)

RMF16-41

RMF16-41 or RMF16-65

REMD16-41

REMD16-65

(1) 14 x 25 x 1 (polyurethane)

(1) 18 x 25 x 1 (polyurethane)

REMD16M-41

REMD16M-65

(1) 14 x 25 x 1 (aluminum mesh)

(1) 18 x 25 x 1 (aluminum mesh)

EMDH16-41

EMDH16-65

(1) 20 x 24 x 1 (fiber glass)

(1) 16 x 25 x 1 & (1) 14 x 25 x 1 (fiber glass)

EMDH16M-41

EMDH16M-65

(1) 8 x 24 x 1 (aluminum mesh)

(1) 8 x 28 x 1 (aluminum mesh)

RTD9-65

FD9-65

SRT16-65

23H13

23H14

24H61

Furnished - Factory Installed

GEDH16-65 (use with EMDH16 or EMDHM16)

18H70 (1/2")

Furnished as standard.Consists of: factory installed controls wiring harness, high pressure switch, loss of charge switch, low voltage terminal strip and compressor crankcase heater.

Annual Fuel Utilization Efficiency based on DOE test procedures and FTC labeling regulations.

Sound Rating Number in accordance with ARI Standard 270.

*Rated in accordance with ARI Standard 210 and DOE; 95

F outdoor air temperature and 80

F db/67

F wb entering evaporator air.

**For LPG units a field changeover kit is required and must be ordered extra.

SPECIFICATIONS - GCS16 COMMERCIAL UNITS

Indoor

Outdoor

Indoor

Outdoor

Содержание GCS16 Series

Страница 1: ...NG SYSTEM SERVICE CHECKS Page 31 A G A C G A Applications and Requirements Page 31 Gas Piping Page 31 Testing Gas Piping and Supply Pressure Page 31 Check and Adjust Manifold Pressure Page 31 Proper G...

Страница 2: ...oof Mounting Frame used with RDE16 41 only Optional Economizer Dampers Model No 3 position Modulating Number and size of filters in Optional Ceiling Supply and Return Air Diffusers Step Down Flush Tra...

Страница 3: ...0 78 0 73 1 73 1 LB 62090DA 78 000 90 000 70 000 80 5 81 0 77 1 77 1 7 8 34 400 3950 9 70 8 70 4 lbs 12 oz 10 x 8 1 2 900 1500 4 10 3 8 2 15 8 70 3 8 2 20 20 4 2200 1 6 240 1 2 1 2 7 11 3 4 45 27 0 20...

Страница 4: ...13 100 GCS16 513 125 GCS16 653 75 GCS16 653 125 Data 60hz Recommended max ampacity 208 230v 1 ph 3 ph 460v 3 ph 208 230v 1 ph 3 ph 460v 3 ph 30 40 45 15 20 25 27 0 36 0 42 0 20 0 26 0 29 0 10 0 14 0 1...

Страница 5: ...10 0 3 8 3 8 10 0 3 8 3 8 0 75 0 75 0 60 0 60 0 60 0 60 0 60 0 60 30 15 40 20 15 45 25 20 86 86 84 87 87 86 88 88 Where current does not exceed 60 amps HACR circuit breaker may be used in place of fu...

Страница 6: ...in wg Air Volume cfm Various Speeds High Med Low 0 10 15 30 40 50 60 High Med Low 1280 915 785 1230 885 760 1210 875 745 1120 825 695 1065 770 995 710 905 05 1255 900 775 20 1180 860 730 25 1155 835...

Страница 7: ...1330 1645 1525 1425 1310 1550 1440 1345 1240 1485 1380 1290 1190 1420 1320 1230 1135 1350 1260 1165 1075 05 1710 1565 1475 1350 20 1615 1490 1400 1290 25 1580 1465 1375 1265 External Static Pressure...

Страница 8: ...2215 1940 1700 1465 2425 2190 1920 1675 1440 2400 2165 1900 1650 1410 2365 2140 1880 1625 1380 2335 2115 1855 1600 1345 0 10 15 30 40 50 60 05 20 25 2275 2065 1805 1550 1275 2215 2010 1750 1475 1180 2...

Страница 9: ...2185 1995 1755 1440 External Static Pressure in wg Air Volume cfm Various Speeds High Medium Low Med High Med Low 2560 2280 2055 1780 1525 2540 2265 2035 1765 1510 2520 2250 2025 1745 1485 2495 2235 2...

Страница 10: ...only not shown see figure 12 SHIPPING BRACKET FIGURE 2 GCS16 411 PARTS ARRANGEMENT GCS16R 411 PARTS ARRANGEMENT CONTACTOR CONTROL BOX COMPRESSOR COMPARTMENT IGNITION CONTROL GAS VALVE BURNER COMBUSTIO...

Страница 11: ...6 models are factory equipped with the hardware required for installing Lennox optional thermostat control systems Lennox optional thermostat control systems are the same controls harnesses and harnes...

Страница 12: ...ELAY BLOWER RELAY FIGURE 5 BLOWER LIMIT CONTROL S47 COMPRESSOR CONTACTOR INDOOR BLOWER RELAY K20 HEATING SPEED 460V 575V UNITS ONLY TERMINAL STRIP TB1 GCS16 ONLY TRANSFORMER T1 TRANSFORMER T3 GCS16R 4...

Страница 13: ...circuits in the unit Transformers are rated at 45VA 208 230 P voltage transformers use two primary voltage taps as shown in figure 7 FIGURE 7 BLUE YELLOW ORANGE RED BLACK 240 VOLTS 208 VOLTS PRIMARY...

Страница 14: ...mplete an internal circuit when the motor is on low or medium heating speed 8 Potential Relay K31 Relay K31 is used in single phase 510 and 650 units only and is located in the control box It is a pot...

Страница 15: ...ENSOR ELECTRODE ASSEMBLY BURNER ENCLOSURE not included on all units SIGHT GLASS not included on all units BURNER PLATE GAS VALVE GAS MANIFOLD COMBUSTION AIR BLOWER IGNITION CONTROL BURNER ENCLOSURE AI...

Страница 16: ...y combustion air blower B6 Combustion air blower B6 is controlled by heat ing demand from the thermostat or control system The burner is factory set and does not require adjustment Burner end caps if...

Страница 17: ...sily slide off for service Each orifice and burner are sized specifically to the unit Refer to Lennox Repair Parts Listing for correct sizing in formation 3 Burner Enclosure The following units are eq...

Страница 18: ...after a heating cycle due to residual heat in the heat exchange assembly Blower OFF settings above 90 F may also cause nuisance trips of secondary limit S10 Adjustment procedure is outlined in Heatin...

Страница 19: ...air prove switch is factory set and is not adjustable Factory settings are shown in Table 3 COMBUSTION AIR PROVE SWITCH FACTORY SETTING TABLE 3 Unit inches w c N O closes on pressure drop GCS16H 261 G...

Страница 20: ...single phase PSC motor to power the combustion air blower A single run capacitor is mounted on the motor The capacitor is rated 4mfd at 370VAC All other heat exchanger sizes use a shaded pole motor to...

Страница 21: ...ignition control is energized after proving combustion air blower operation The control allows 30 to 40 seconds for the combustion air blower to vent exhaust gases from the burner The ignition contro...

Страница 22: ...110 ON CLOSED OFF OPEN END OF DEMAND 1 COMBUSTION AIR PROVE SWITCH 5 5 70 FIGURE 20 RETRIALS IGNITION ATTEMPT SEQUENCE TIMINGS NOMINAL THERMOSTAT DEMAND COMBUSTION AIR BLOWER GAS VALVE IGNITION SPARK...

Страница 23: ...ce figure 23 GCS16R and GCS16H series units are not equipped with crankcase heater high pressure switch or loss of charge switch All units are equipped with thermometer well for charging All models us...

Страница 24: ...SER COIL EVAPORATOR COIL THERMOMETER WELL and LIQUID GAUGE PORT COMPRESSOR TERMINAL BOX COMPRESSOR TERMINAL BOX EXPANSION VALVE LIQUID LINE SUCTION LINE SUCTION LINE DISCHARGE LINE HIGH PRESSURE SWITC...

Страница 25: ...ch opens on a pressure rise All commercial units GCS16 are equipped with the limit GCS16R and GCS16H are not equipped with the limit The switch is lo cated in the compressor discharge line and is wire...

Страница 26: ...6H 311 Type MFD Volts Single Single GCS16 411 GCS16R 411 Dual shared with compressor 7 370 5 370 GCS16 413 Single 5 370 208 230 208 230 208 230 ALL GCS16 511 651 GCS16R 511 651 208 230 Single 7 370 GC...

Страница 27: ...MMON FAILURE TO CONNECT THE BLUE TAP AS SHOWN ON UNIT DIAGRAM WILL CAUSE IMPROPER OPERATION INCREASED CURRENT FLOW AND OR BURNT WINDINGS 10 Indoor Blower Motor Capacitor C4 All GCS16 208 230v units us...

Страница 28: ...CAL CONNECTIONS A Power Supply Refer to start up directions and refer closely to the unit wir ing diagram when servicing Refer to unit nameplate for minimum circuit ampacity and maximum fuse size 208...

Страница 29: ...ber Turn off power to the unit All access panels covers and vent caps must be in place and secured VI REFRIGERATION SYSTEM SERVICE CHECKS The charge should be checked during start up using the method...

Страница 30: ...513 and GCS16R 511 units Approach temperature should be 9 F 5 C for GCS16 651 653 and GCS16R 651 units Refrigerant must be added to lower approach temperature Re move refrigerant from system to incre...

Страница 31: ...s supply pressure connect test gauge to the inlet pressure tap field provided Test supply gas pressure with unit firing at maximum rate Make sure the reading falls within the range of the following va...

Страница 32: ...6 H 50 GCS16 75 GCS16 100 GCS16 125 Unit Output 40 000 Btuh 60 000 Btuh 80 000 Btuh 100 000 Btuh G High Altitude Derate The maximum input may be reduced by up to 24 percent on A G A units equipped wit...

Страница 33: ...rner head alignment Bolts must be torqued to 35 in lbs to ensure proper operation 7 Be sure to secure all wires and check plumbing and burner plate for airtight seal 8 Turn on power to unit Follow lig...

Страница 34: ...g heat exchanger in burner plate see figure 32 6 Support heat exchanger to prevent heat exchang er from dropping when final bolts are removed Remove bolts securing tailpipe to heating vesti bule Bolts...

Страница 35: ...2 inside the flame en velope Do not bend electrodes To measure flame cur rent follow the procedure below 1 Disconnect power to unit 2 Remove lead from sensing electrode and install a 0 50DC microamp m...

Страница 36: ...uously With the fan switch in the AUTO position the blower cycles with demand or with some control systems runs continuously while the heating or cooling circuits cycle 3 In most cases the blower and...

Страница 37: ...wir ing diagram Adjust the blower heating speed for proper air temperature rise listed on unit rating plate To measure temperature rise place thermometers in the supply and return air plenums Turn up...

Страница 38: ...ment 208V 230V Only to determine which J38 jumper to use WARNING DO NOT ISOLATE MEDIUM OR LOW SPEED WINDINGS WHEN OPERATING AT ME DIUM OR LOW SPEED THE BLUE LEAD MUST NEVER BE CONNECTED TO A POWER LEA...

Страница 39: ...ctrode and flame sensing electrode gaps Re install the burner and ensure that the burner head is lined up correctly with flame spreader Replace the four screws se curing the gas burner manifold to the...

Страница 40: ...t can drain accumulated conden sate 7 Clean the vestibule panel louvers using a small brush F Flue Make sure the flue is clean and free of debris G Evaporator Coil 1 Clean coil if necessary 2 Check co...

Страница 41: ...serted in the bracket and through a hole in the base channel of the unit The pin is used only to hold the bracket in place it does not support any weight The bracket bottom lip supports the weight of...

Страница 42: ...ctures A typical field fabricated roof mounting frame is shown in figure 43 C Economizers 1 Application REMD16 M and EMDH16 M economizers can only be applied to GCS16 commercial units GCS16R residenti...

Страница 43: ...TALLED RETURN AIR FILTER DAMPER MOTOR ENTHALPY CONTROL TYPICAL REMD16M shown OUTDOOR AIR DAMPER HOOD CONTROL ACCESS COVER 3 EMDH16 Horizontal Economizer EMDH16M Horizontal Economizer The EMDH16 and EM...

Страница 44: ...fac tory installed in a REMD16 41 REMD16 65 is similar Mixed air sensor should be removed from economizer and installed in unit blower compartment and sensing bulb should be installed in supply air st...

Страница 45: ...nstalled in supply air stream as shown in figure 50 OUTDOOR AIR DAMPERS RETURN AIR DAMPERS ENTHALPY SENSOR ENTHALPY SENSOR ACCESS COVER REMOVED OUTDOOR AIR DAMPERS RETURN AIR DAMPERS MIXED AIR SENSOR...

Страница 46: ...midity would drive the economizer outdoor air dampers open to utilize outdoor air for cooling The compressor cooling circuit would be disabled Howev er if the outdoor air should change to 70 F a drop...

Страница 47: ...rn and supply air see figure 50 The three position economizer sensor switch mounts to pre drilled holes in the unit panel dividing return and supply air e Wiring Installation Maintenance The economize...

Страница 48: ...e to fully open position 60 to 90 sec required for full travel Observe travel for proper damper operation 6 Disconnect power to the unit Outdoor damp er should spring return to closed position 7 Remov...

Страница 49: ...tems Kit includes a DPDT relay which is hard wired to the economizer harness If a W973 system is used the relay holds the out door dampers closed during setback If an electro mechanical thermostat sys...

Страница 50: ...must be used to provide the proper opening for economizer Duct enclo sure RDE16 41 mounts to the GCS16H horizontal air openings and the economizer slides in the RDE16 41 economizer opening see figure...

Страница 51: ...W1 ACC C L1 L2 GCS16H J3 ECONOMIZER JACK INSIDE RDE16 41 TRANSITION MATES TO ECONOMIZER PLUG P4 GCS16H TO REMD16 41 or REMD16M 41 ECONOMIZER FIELD WIRING INDOOR THERMOSTAT THERMOSTAT TO ECONOMIZER 2 W...

Страница 52: ...tment provides a preliminary pressure setting of about 10 w c 2 5 kPa for the LP regulator 5 Check regulator setting either with a manometer or by clocking the gas meter 6 Install new cap screw CONVER...

Страница 53: ...65 In units equipped with burner enclosure figure 12 the en closure must be carefully disassembled to gain access to the burner and restrictor plate FIGURE 64 INSTALL OUTER RESTRICTOR PLATE SECURING A...

Страница 54: ...REMOVE FOR 2 FILTER SECURING SCREW LEFT SIDE FIGURE 67 DF16 65 DOWNFLOW FILTER KIT BLOWER LEFT FILTER BRACKET RIGHT FILTER BRACKET SECURING SCREW SECURING SCREW FILTER BRACKET FILLER PIECE REMOVE FOR...

Страница 55: ...otection for the compressor The monitor figure 69 is a N O temperature switch located in the control box area It is wired in series with the compres sor contactor When ambient temperature drops below...

Страница 56: ...nob CUT IN POINT fixed mi nus CUT OUT POINT To find CUT OUT point this equation can be re arranged CUT OUT CUT IN minus the DIFFERENCE 2 Rotate the knob as needed to set the difference indica tor at 1...

Страница 57: ...open the con trol circuit is de energized while control transformer T1 re mains energized to operate dampers exhaust blower etc The unit shuts down and economizer outdoor dampers drive full closed FI...

Страница 58: ...FIGURE 76 SP11 STATUS PANEL Cool Mode Heat Mode Compressor 1 Compressor 2 No Heat Filter 1 SP11 Application Required Equipment Readout Relay Kit Optional Equipment Filter Switch Kit The SP11 can be a...

Страница 59: ...ontinuously i The AFTER HOURS TIMER on the SSP11 pro vides override of unoccupied mode operation night heating setback cooling setup from 0 to 12 hours In the occupied day mode the after hours timer h...

Страница 60: ...onnections as shown in fig ure 79 c SSP11 Relay Kit An SSP11 relay kit is required on units using an electromechanical thermostat and an SSP11 switching status panel The kit is used with the RRB reado...

Страница 61: ...Y K29 FIELD WIRING IS CON NECTED TO TERMI NAL STRIP UNLESS W973 OR W7400 IS INSTALLED GCS16 UNIT CONTROL BOX FIELD WIRING SP11 GCS16 410 THROUGH 650 applicable to units equipped with commercial contro...

Страница 62: ...4 15 16 17 18 19 20 21 CMC3 1 T7067 THERMOSTAT W2 W1 G RC 1 2 3 COMPRESSOR FIELD WIRING SSP11 GCS16 410 THROUGH 650 UNITS WITH ELECTROMECHANICAL THERMOSTAT applicable to units equipped with commercial...

Страница 63: ...HROUGH 650 UNITS WITH W973 applicable to units equipped with commercial controls platform only OPTIONAL EQUIPMENT 24VAC FIELD INSTALLED 24VAC FACTORY INSTALLED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1...

Страница 64: ...HOUSING OR INSIDE MULLION ATTACH HOSE TO HIGH SIDE OF SWITCH BLOWER HOUSING HORIZONTAL SUPPLY AND RETURN AIR COVERS ROUTE HOSE THROUGH DUCT TO OPPOSITE SIDE OF FILTER LEAVE LOW SIDE OF SWITCH OPEN TO...

Страница 65: ...1 D5 Modulating Economizer Horizontal or Downflow Modulating Economizer Op tional field installed in all GCS16 and GCS16H units GCS16R excepted Sensors continuously monitor air conditions and adjust...

Страница 66: ...for night setback 8 C2 Standard 2 heat 2 cool thermostat for all commercial units with economizer and warm up CMC3 1 clock and night thermostat must be added for night set back Night relay must also...

Страница 67: ...ercial units with economizer and warm up Requires W973 relay kit Also requires CMC3 1 clock and night relay for night setback FIGURE 87 W973 THERMOSTAT CONTROL KIT Control Module Relay Kit J17 P17 P6...

Страница 68: ...se with either the electromechanical thermostat or the Honeywell W973 control system Both allow mechanical thermostats to set back during unoccu pied periods The clocks models 202A and 702A allow 24 h...

Страница 69: ...n the building is not occupied The night kit achieves this by disconnecting thermostat S1 and con necting a night thermostat during periods when the build ing is not occupied The night thermostat can...

Страница 70: ...0 relay kit must be added to inter face the control to the economizer WARNING CONNECT ONLY RELAY KITS DE SIGNED FOR THIS CONTROL SYSTEM RELAY KITS DESIGNED FOR OTHER CONTROL SYS TEMS ARE NOT COMPATIBL...

Страница 71: ...RELAY KIT J3 P5 BLOWER HARNESS FROM UNIT HARNESS TO ECONOMIZER P16 P17 J5 P4 J16 J17 CONTROL MOUNTING BRACKET HORIZONTAL UNITS W7400 CONTROL CONTROL MOUNTING BOX DOWNFLOW UNITS CAUTION HARNESS BUNDLE...

Страница 72: ...hanical control system is being used CMC3 1 time clock and night thermostat must be used An economizer allows outside air to be used for cooling when conditions are acceptable and permits a preset amo...

Страница 73: ...ted to plug P19 on the W973 Jumper plug J12 also supplied with the W973 is not used with GCS16s and may be discarded 2 W973 Relay Kit units without economizer or units with economizer and without warm...

Страница 74: ...IES AWAY FROM DAMPER BLADES FAILURE TO SECURE WIRES COULD RENDER ECONOMIZER INOPERABLE FIGURE 99 HONEYWELL W973 RELAY KIT AND WARM UP KIT INSTALLATION W973 RELAY KIT W973 CONTROL GCS16 UNIT SUPPLY AIR...

Страница 75: ...34 Diagram Pages 76 77 Commercial Application GCS16H and 3 position Economizer C19 Diagram with B34 Diagram and D8 Diagram Pages 78 79 Commercial Application GCS16H and Modulating Economizer C19 Diagr...

Страница 76: ...C24 diagram with B34 diagram basic thermostat with residential GCS16R or GCS16H Page 76 1 2 3 4 5 6 7 8 9 10 6 4 7...

Страница 77: ...trols and thermostat 2 Cooling demand energizes Y1 and G in the thermostat Y1 energizes compressor contactor K1 G energizes relay K3 3 K1 is a single pole contactor allowing compressor terminal R and...

Страница 78: ...al limited commercial application of residential GCS16H with basic thermostat downturn transition and three position economiz er Page 78 Thermostat Footnotes Economizer Footnotes Unit Footnotes 1 2 3...

Страница 79: ...d delay relay K25 closes to energize the indoor blower on heating speed I Enthalpy Control in Low Position outside air can be used for cooling First stage cool all models 7 Initial cooling demand Y1 i...

Страница 80: ...ecial limited commercial application of residential GCS16H with basic thermostat downturn transition and modulating economiz er Page 80 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Thermostat Footnote...

Страница 81: ...Enthalpy Control in Low Position outside air can be used for cooling First stage cool all models 7 Initial cooling demand Y1 is sent to enthalpy control A6 terminal 1 8 Enthalpy control A6 has determi...

Страница 82: ...C1diagramwith B34 diagram basic thermostat with commercial single phase GCS16 Page 82 1 2 3 4 5 6 7 4 8 9 10 7 6...

Страница 83: ...mostat Y1 energizes compressor contactor K1 G energizes relay K3 3 K1 is a single pole contactor allowing compressor terminal R and one leg of the condenser fan to be powered at all times K1 1 closes...

Страница 84: ...C1diagram electromechanical thermostat without economizer connected to 208 230V 3ph commercial unit with B35 diagram Page 84 1 2 3 4 5 5 6 6 7 7 8 9 10 3 Unit Footnotes Thermostat Footnotes...

Страница 85: ...diagram electromechanical thermostat without economizer connected to 460V or 575V 3ph commercial unit with B36 diagram Page 85 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14 Unit Footnotes Thermostat Footnotes 10...

Страница 86: ...dium speed Refer to unit components section of this manual for more information OPERATION SEQUENCE 460 575V THREE PHASE UNITS ABOVE All units equipped with Crankcase Heater High Pressure Switch Loss o...

Страница 87: ...C1diagram electromechanical thermostat with three position economizer with D8 diagram Page 87 1 2 3 4 5 6 11 11 7 8 9 10 Thermostat Footnotes Economizer Footnotes...

Страница 88: ...mid minimum position I Enthalpy Control in Low Position outside air can be used for cooling 1st stage cool all models 5 Initial cooling demand Y1 is sent to enthalpy control A6 terminal 1 6 Enthalpy c...

Страница 89: ...thermostat with modulating economizer with D5 diagram Page 89 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 2 Economizer Footnotes Thermostat Footnotes 3 4 5 6 7 8 9 10 11 12 13...

Страница 90: ...terminal 1 5 Enthalpy control A6 has determined that outside air can be used for cooling and has switched internal 1K and 2K internally 6 Cooling demand is routed through enthalpy control to energize...

Страница 91: ...hermostat with three position economizer and warm up with D8 diagram Page 91 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON Economizer Footnotes Unit Footnotes 1 2 3 4 5 6 7a 7b 7c...

Страница 92: ...shown in the economizer and K42 in the warm up kit are energized 5 Contacts K11 1 open to disconnect power to thermostat S1 K11 2 not shown open to drive the dampers full closed 6 Contacts K42 1 open...

Страница 93: ...tat with modulating economizer and warm up with D5 diagram Page 93 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON Economizer Footnotes Thermostat Footnotes 1 2 3 4 5 5 6 7c 7a 7b 8...

Страница 94: ...in the economizer and K42 in the warm up kit are ener gized 5 Contacts K11 1 open to disconnect power to thermostat S1 K11 2 contacts open to drive the dampers full closed 6 Contacts K42 1 open to di...

Страница 95: ...C11 1 diagram electromechanical thermostat with night setback relay kit Page 95 24V POWER ECONOMIZER HEAT 1 HEAT 2 COOL 2 COOL 1 BLOWER 24V COMMON 4 3 2 1 5...

Страница 96: ...TE 1 The night kit accessory requires the use of optional time clock CMC3 1 and optional night thermostat 2 The time clock accessory requires the use of field wired night kit relay K11 No wiring is re...

Страница 97: ...C5 diagram C3 diagram Page 97 1 1 2 2 3 3 4 4 Flexstat thermo stat Prostat thermostat...

Страница 98: ...AL G Y1 Y2 W1 W2 10 7 5 4 G 6 5 Y1 4 7 Y2 3 2 W1 9 3 W2 8 8 9 RH RC 2 1 C Operation Sequence 1 The GCS16 with Flexstat Prostat is designed so that the fan switch in the thermostat should be left in th...

Страница 99: ...C3 diagram with D8 diagram Flexstat with three position economizer Page 99 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Thermostat Footnotes Economizer Footnotes...

Страница 100: ...Prostat with three position economizer with D8 diagram Page 100 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON Thermostat Footnotes Economizer Footnotes 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 101: ...lay K25 in the GCS16 During a cooling demand when the buildingis not occupied the blower is activated through terminal 4 in the Flexstat G in Pros tat 4 Setback relay K11 not furnished is not used in...

Страница 102: ...C3 diagram with D5 diagram Flexstat with modulating economizer Page 102 Thermostat Footnotes Economizer Footnotes 1 2 3 4 4 4 5 6 7 8 9 10 11 12 13 14 15...

Страница 103: ...Prostat with modulating economizer with D5 diagram Page 103 Economizer Footnotes Thermostat Footnotes 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 2 3 4 4 4 5 6 7 8 9 10 11 12...

Страница 104: ...ctivated only when a heating demand passes through relay K25 in the GCS16 During a cooling demand when the building is not occupied the blower is activated through terminal G in the Prostat 4 in Flex...

Страница 105: ...with three position economizer and warm up Page 105 Economizer Footnotes Thermostat Footnotes 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 16 20 18 17 2 3 15 11 25 5 5 9 24 10...

Страница 106: ...t with three position economizer and warm up Page 106 Economizer Footnotes Thermostat Footnotes 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 2 3 4 5 6 5 7 8 13 14 15 16 17 18 1...

Страница 107: ...K40 6 Contacts K40 1 open to keep relay K41 de energized Contacts K41 3 remain open to keep outdoor air dampers closed during initial heating demand 7 When heating demand is satisfied unit gas valve a...

Страница 108: ...exstat with modulating economizer and warm up Page 108 Thermostat Footnotes Economizer Footnotes 24V POWER ECONOMIZER 24V COMMON COOL 1 COOL 2 HEAT 1 HEAT 2 BLOWER 1 2 3 5 4 6 7 8 9 10 11 12 13 14 15...

Страница 109: ...ostat with modulating economizer and warm up Page 109 Thermostat Footnotes Economizer Footnotes 24V POWER ECONOMIZER 24V COMMON COOL 1 COOL 2 HEAT 1 HEAT 2 BLOWER 3 5 6 11 12 15 24 25 4 22 18 20 8 13...

Страница 110: ...lexstat terminal 2 activates the heating section of the GCS16 directly and relay K40 6 Contacts K40 1 open to keep relay K41 de energized Contacts K41 3 remain open to keep outdoor air dampers closed...

Страница 111: ...C12diagram T7300 thermostat Page 111 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 2 3 4...

Страница 112: ...ermostat and night relay kit are not needed and are not compatible Operation Sequence 1 The GCS16 with T7300 is designed so that the fan switch in the thermostat should be left in the ON mode at all t...

Страница 113: ...ram with D8 diagram T7300 with three position economizer Page 113 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON Thermostat Footnotes Economizer Footnotes 1 2 3 4 5 6 7 8 9 10 11 1...

Страница 114: ...id minimum position I Enthalpy Control in Low Position outside air can be used for cooling 1st stage cool all models 4 Initial cooling demand Y1 is sent to enthalpy control A6 terminal 1 5 Enthalpy co...

Страница 115: ...agram with D5 diagram T7300 with modulating economizer Page 115 Thermostat Footnotes Economizer Footnotes 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 1 COOL 2 24V COMMON 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 116: ...oling First stage cool all models 4 Initial cooling demand Y1 is sent to enthalpy control A6 terminal 1 5 Enthalpy control A6 has determined that outside air can be used for cooling and has switched i...

Страница 117: ...C7 3 diagram W7400 Control three position economizer with D8 diagram Page 117 1 2 3 4 5 6 7 5 11 8 9 12 13 10 Thermostat Footnotes Economizer Footnotes...

Страница 118: ...ded Relay kit plug P5 connects directly to jack J3 in the blower compartment figure 95 The economizer plugs in to the relay kit Economizer plug P4 connects directly to jack J5 of the W7400 relay kit I...

Страница 119: ...C7 3 diagram W7400 Control with modulating economizer with D5 diagram Page 119 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Thermostat Footnotes Economizer Footnotes...

Страница 120: ...to the relay kit Economizer plug P4 connects directly to jack J5 of the W7400 relay kit IMPORTANT P14 MUST BE DISCONNECTED FROM J23 IN THIS APPLICATION ONLY IMPROPER UNIT OPERATION WILL RESULT IF P14...

Страница 121: ...C8 1 diagram W973 Control Page 121 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2 COOL 2 COOL 1 24V COMMON 1 2 3 4 11 15 7 6 12 8 16 17 13 9 14 5 10...

Страница 122: ...Generally A1 cooling contacts C1 close when voltage input to A1 terminal 4 reaches 4VDC C2 cooling contacts close when voltage input to A1 terminal 4 increases to 5 VDC A1 heating contacts H1 close wh...

Страница 123: ...ee position economizer with D8 diagram Page 123 Thermostat Footnotes Economizer Footnotes 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 23 24 25 26 24V POWER ECONOMIZER BLOWER HEAT 1 HEAT 2...

Страница 124: ...increases to 5 VDC A1 heating contacts H1 close when voltage input to A1 terminal 5 reaches 4 VDC and H2 con tacts close when the voltage ramp increases to 5 VDC 3 To provide anticipation discharge se...

Страница 125: ...cool Outdoor air dampers are held closed by contacts K11 2 remaining open not shown 24 A1 terminal 1 feeds 20VDC at all times to A2 terminal 1 and contacts K38 1 and K38 2 source of voltage for resist...

Страница 126: ...with modulating economizer with D5 diagram Page 126 1 Thermostat Footnotes Economizer Footnotes 2 3 4 24V POWER ECON BL H 1 HEAT 2 COOL 2 COOL 1 24V COMMON 6 7 8 9 10 22 18 21 25 5 24 14 26 13 19 11...

Страница 127: ...increases from 1 to 16 VDC When the heating setpoint is crossed the T7067 begins transmitting a heating ramp from ter minal 5 through TB1 5 to terminal 5 of A1 As room temperature increases the coolin...

Страница 128: ...close relays K11and K38 energize 24 Contacts K38 1 close to energize setback resistor R4 Contacts K38 2 close to energize setup resistor R5 Contacts K38 3 open to energize blower B3 on demand only Dur...

Страница 129: ...mizer and warm up Page 129 Thermostat Footnotes Economizer Footnotes 24V POWER ECON H 1 H 2 C 2 C 1 24V COMMON 1 17 24 18 19 29 27 3 4 28 37 22 25 34 10 7 16 2 21 9 33 5 36 30 38 18 26 23 30 38 25 22...

Страница 130: ...ING RELAY KITS MUST BE CONNECTED IN THE ORDER THEY APPEAR ON THE UNIT CONTROL WIRING DIAGRAM ON THE ADJACENT PAGE Operation Sequence 1 Room temperature is controlled by a thermistor located in A2 T706...

Страница 131: ...41 3 opens to drive dampers closed 33 Contacts K38 1 close to energize setback resistor R4 Contacts K38 2 close to energize setup resistor R5 Contacts K38 3 open to energize blower B3 on demand only D...

Страница 132: ...ing economizer and warm up Page 132 3 5 6 11 12 15 24 25 4 22 18 20 8 13 9 14 7 10 2 16 19 1 23 21 17 26 27 28 29 30 31 32 33 34 35 36 38 37 39 40 41 42 43 24V POWER 24V COMMON EC H 1 H 2 C 1 C 2 Ther...

Страница 133: ...rmistor resistance also changes If room temperature goes up thermistor resistance goes down If room tempera ture goes down thermistor resistance goes up The thermistor allows 2 5V F 1 4V C When the co...

Страница 134: ...38 3 open to energize blower B3 on demand only During night operation when contacts K38 3 are open blower B3 operates only on demand powered through relays K25 for heat or K37 for cool Outdoor air dam...

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Lennox GCS16 Series, Руководство пользователя

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