Page 3 - III. CHECKING PRODUCT RECEIVED; are not; WARNING
3 II. INTRODUCTION This booklet contains the installation and operating instructions for your combination gasheating/electric cooling unit. There are some precautions that should be taken to derivemaximum satisfaction from it. Improper installation can result in unsatisfactory operationor dangerous ...
Page 4 - V. SAFETY INFORMATION; CAUTION
4 lines, or be allowed to accumulate in storage tanks. Leak checking should neverbe done with a mixture of R-410A and air. Leak checking can be performed safelywith nitrogen or a mixture of R-410A and nitrogen. 2. Quick Reference Guide For R-410A • R-410A refrigerant operates at approximately 60% hi...
Page 5 - FIGURE 1; FIGURE 2
5 FIGURE 1 BOTTOM VIEW FIGURE 2 CABINET DIMENSIONS AND ACCESS LOCATIONS VI. UNIT DIMENSIONS FOR CLEARANCESSEE FIGURE 7. IMPORTANT: THIS UNITMUST BE MOUNTEDLEVEL IN BOTH DIREC-TIONS TO ALLOW WATERTO DRAIN FROM THE CON-DENSER SECTION ANDCONDENSATE PAN. I316 I281
Page 6 - FIGURE 3; FIGURE 4
6 FIGURE 3 CABINET DIMENSIONS AND ACCESS LOCATIONS FIGURE 4 SUPPLY AND RETURN DIMENSIONS I282 I288
Page 8 - B. OUTSIDE SLAB INSTALLATION; from entering the unit
8 B. OUTSIDE SLAB INSTALLATION (Typical outdoor slab installation is shown in Figure 5.) 1. Select a location where external water drainage cannot collect around unit. 2. Provide a level slab sufficiently high enough above grade to prevent surface water from entering the unit 3. The location of the ...
Page 9 - C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS; To attach exhaust/combustion air inlet hood:; D. COVER PANEL INSTALLATION/CONVERSION PROCEDURE; DOWNFLOW TO HORIZONTAL; FIGURE 6
9 Recommended Clearance Location 48 A - Front 18 B - Condenser Coil 12 * C - Duct Side 36 D - Evaporator End 60 E - Above *Without Economizer. 57 With Economizer C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS IMPORTANT: Do not operate this unit without the exhaust/combustion air inlet hoodprope...
Page 10 - F. ROOFTOP INSTALLATION; THIS; inspection and servicing.; FIGURE 7
10 F. ROOFTOP INSTALLATION 1. Before locating the unit on the roof, make sure that the roof structure is adequate to support the weight involved. (See Electrical & Physical Tables in this manual.) THIS IS VERY IMPORTANT AND THE INSTALLER’S RESPONSIBILITY. 2. For rigging and roofcurb details, see...
Page 11 - FIGURE 8
11 Place the unit as close to the conditioned space as possible allowing clearances as indi-cated. Run ducts as directly as possible to supply and return outlets. Use of non-flam-mable weatherproof flexible connectors on both supply and return connections at unit toreduce noise transmission is recom...
Page 12 - FIGURE 9
12 ROOFTOP UNI COUNTER FLA GASKET NAILER STRIP DUCT* ROOFCURB INSULATION* CANT STRIP* ROOF FE INSULATI ROOF DE TURAL ER* FIGURE 11 ROOFCURB FIGURE 10 ROOFCURB RETURN DUCT * SUPPLY DUCT * NAILING STRIP INSULATION PANELS(2) SUPPLIED GASKET(FULL PERIMETERAND ON DIVIDERS,MUST BE ABOVE DUCTAND INSULATION...
Page 13 - PIPING; Connect this unit only to gas supplied by a commercial utility.; A pipe compound resistant to the action of liquefied; ROOF OR GROUND LEVEL INSTALLATION; TABLE 1
13 VIII. GAS SUPPLY, CONDENSATE DRAIN AND VIII. PIPING A. GAS CONNECTION IMPORTANT: Connect this unit only to gas supplied by a commercial utility. 1. Install gas piping in accordance with local codes and regulations of the local utility company. In the absence of local codes, the installation must ...
Page 14 - TABLE 2
14 In making gas connections, avoid strains as they may cause noise and damage the con-trols. A backup wrench is required to be used on the valve to avoid damage. The capacities of gas pipe of different diameters and lengths in cu. ft. per hr. with pres-sure drop of 0.3 in. and specific gravity of 0...
Page 15 - D. ADJUSTING OR CHECKING FURNACE INPUT; – Natural Gas Manifold Pressure 3.5; The main; IN THE USA ONLY
15 D. ADJUSTING OR CHECKING FURNACE INPUT – Natural Gas Line Pressure 5 - 10.5 W.C.– LP Gas Line Pressure 11 - 13 W.C. – Natural Gas Manifold Pressure 3.5 W.C – LP Gas Manifold Pressure - 10 W.C. Supply and manifold pressure taps are located on the gas valve body 1/8 N.P.T. and onthe manifold. Use a...
Page 16 - Install a condensate trap to ensure proper condensate drainage.; TABLE 3
16 NOTICE: DERATING OF THE HEATING INPUT FOR HIGH ALTITUDE IN THE FIELDIS UNLAWFUL IN CANADA (REFER TO CAN/CGA 2.17). UNITS INSTALLED INALTITUDES GREATER THAN 2,000 FEET (610 METERS) MUST BE SHIPPED FROMTHE FACTORY OR FROM A FACTORY AUTHORIZED CONVERSION STATIONWITH THE HEATING INPUT DERATED BY 10% ...
Page 17 - TABLE 5
17 NOTES: 1. Wire size based on 60°C rated wire insulation and 30°C Ambient Temp. (86°F). 2. For more than 3 conductors in a raceway or cable, see the N.E.C. for derating the ampacity of each conductor. When installed, the unit must be electrically grounded in accordance with localcodes or, in the a...
Page 19 - NORMAL FURNACE OPERATING SEQUENCE; blower for a 15 second prepurge.; TABLE 6
19 rays, lamps, televisions, radios or air streams from registers. Refer to instructionspacked with the thermostat for “heater” selection or adjustment. X. FURNACE SECTION CONTROLS AND IGNITION SYSTEM NORMAL FURNACE OPERATING SEQUENCE This unit is equipped with an integrated direct spark ignition co...
Page 20 - OPERATING INSTRUCTIONS; TO START THE FURNACE; matically lights the burner. Do NOT try to light the burner by hand.; TO SHUT DOWN FURNACE
20 If the control detects the following failures, the LED will flash on for approximately 1/4 sec-ond, then off for 3/4 second for designated failure detections.1 Flash: Failed to detect flame within the three tries for ignition.2 Flash: Pressure switch or induced draft blower problem detected.3 Fla...
Page 21 - Replace this control only with the identical replacement part.; XI. SYSTEM OPERATING INFORMATION; ADVISE THE CUSTOMER; and more economically.
21 BURNERS Burners for these units have been designed so that field adjustment is not required.Burners are tray-mounted and accessible for easy cleaning when required. MANUAL RESET OVERTEMPERATURE CONTROL Two manual reset overtemperature controls (one on 80,000 BTUH) are located on theburner shield....
Page 22 - FURNACE SECTION MAINTENANCE; Disconnect the gas supply piping from the gas valve.; Mark all wires disconnected for proper; Remove the burner tray and the manifold assembly from the unit.; Be careful not to strip out the
22 7. IMPORTANT: Replace all blower doors and compartment cover after servicing the unit. Do not operate the unit without all panels and doors securely in place. 8. Do not allow snow or other debris to accumulate in the vicinity of the appliance. FURNACE SECTION MAINTENANCE The unit’s furnace should...
Page 23 - To inspect the evaporator coil:
23 LUBRICATION IMPORTANT: DO NOT attempt to lubricate the bearings on the blower motor or the induced draft blower motor. Addition of lubricants can reduce the motor life and void thewarranty. The blower motor and induced draft blower motor are prelubricated by the manufacturerand do not require fur...
Page 28 - GENERAL DATA - TGC MODELS
28 GENERAL DATA - TGC MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] NOTES: 1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. ARI capacity is net and includes the effect of fan motor heat. U...
Page 33 - DIRECT-DRIVE BLOWER 208 AIRFLOW PERFORMANCE; DIRECT DRIVE
33 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 CFM 1210 1193 1175 1155 1125 1075 1015 925 Watts 450 400 395 385 380 375 370 360 CFM 1515 1500 1475 1450 1405 1350 1275 1180 Watts 525 515 510 505 490 475 460 445 CFM 1680 1650 1625 1580 1530 1460 1390 1280 Watts 650 640 630 610 580 560 545 515 CFM 1210 1193 1175 1...
Page 34 - DIRECT-DRIVE 230 AIRFLOW PERFORMANCE
34 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 CFM 1400 1375 1360 1335 1305 1255 1210 1100 Watts 470 460 455 450 440 435 425 410 CFM 1685 1620 1580 1550 1500 1430 1350 1230 Watts 635 600 580 570 550 535 505 475 CFM 1870 1830 1790 1730 1660 1580 1500 1375 Watts 780 760 740 700 660 635 600 555 CFM 1400 1375 1360 ...
Page 35 - DIRECT-DRIVE 460 AIRFLOW PERFORMANCE
35 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 CFM 1400 1375 1360 1335 1305 1255 1210 1100 Watts 470 460 455 450 440 435 425 410 CFM 1685 1620 1580 1550 1500 1430 1350 1230 Watts 635 600 580 570 550 535 505 475 CFM 1870 1830 1790 1730 1660 1580 1500 1375 Watts 780 760 740 700 660 635 600 555 CFM 1400 1375 1360 ...
Page 36 - COMPONENT AIR RESISTANCE; BELT DRIVE
36 3 T ON - 13 SEER MODELS RPM WATTS — — — — — — 605 250 620 275 640 305 680 340 RPM WATTS 1010 470 1025 485 1035 505 1045 540 1060 575 1080 590 1090 660 RPM WATTS 1240 645 1260 715 1270 730 1290 780 1300 825 1320 880 1330 940 CAPACITY: 3 TON - 13 SEER VOLTAGE: 208/230 - 460 EXTERNAL STATIC PRESSURE...
Page 47 - TON COOLING - 13 SEER
47 FIGURE 30 SYSTEM CHARGE CHARTS 175 200 225 250 275 300 325 350 375 400 425 450 475 500 525 120 125 130 135 140 145 150 155 160 165 170 55 65 75 85 95 105 115 92-102259-01-01 3 TON COOLING - 13 SEER
Page 49 - TON COOLING - 13 SEER
49 FIGURE 32 SYSTEM CHARGE CHARTS 4 TON COOLING - 13 SEER
Page 50 - SYSTEM CHARGE CHART - REFRIGERANT 410A; TON COOLING - 14 SEER
FIGURE 33 SYSTEM CHARGE CHARTS 92-102259-05-00 SYSTEM CHARGE CHART - REFRIGERANT 410A 5 TON, 14 SEER 55 65 75 85 95 105 115 175 200 225 250 275 300 325 350 375 400 425 450 475 500 525 120 125 130 135 140 145 150 155 160 165 170 5 TON COOLING - 14 SEER 50
Page 51 - COOLING TROUBLE SHOOTING CHART; SYMPTOM
WARNING ! COOLING TROUBLE SHOOTING CHART DISCONNECT ALL POWER TO UNIT BEFORE SERVICING. CONTACTOR MAY BREAK ONLY ONE SIDE. FAILURETO SHUT OFF POWER CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH. SYMPTOM POSSIBLE CAUSE REMEDY Unit will not run • Power off or loose electrical connec...
Page 52 - FURNACE TROUBLESHOOTING GUIDE; FLOW CHART CONTINUED ON NEXT PAGE
FURNACE TROUBLESHOOTING GUIDE (COMBINATION HEATING AND COOLING UNITS WITH DIRECT SPARK IGNITION) SET THERMOSTAT TO CALL FOR HEAT SET FAN SWITCH TO AUTO START WARNING DISCONNECT POWER BEFORESERVICING.SERVICE MUST BE BY A TRAINED,QUALIFIED SERVICE TECHNICIAN. HAZARDOUS VOLTAGE LINE VOLTAGE CON- NECTIO...
