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R6GP - 072/090/120 Series

Installation Instructions

Single Package Gas Heating/Electric Cooling Rooftop Units

R6GP-090 Shown

ATTENTION INSTALLERS:

It is your responsibility to know this product better than your customer. This includes being able to install the product according to strict safety 
guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product. Safety should always be the 
deciding factor when installing this product and using common sense plays an important role as well. Pay attention to all safety warnings and 
any other special notes highlighted in the manual. Improper installation of the unit or failure to follow safety warnings could result in serious 
injury, death, or property damage. These instructions are primarily intended to assist qualifi ed individuals experienced in the proper installation 
of this appliance. Some local codes require licensed installation/service personnel for this type of equipment. After completing the installation, 
return these instructions to the customer’s package for future reference.

WARNING:

!

DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

FIRE OR EXPLOSION HAZARD

• Failure to follow safety warnings exactly 

could result in serious injury or property 
damage.

• Installation and service must be performed 

by a qualifi ed installer, service agency or the 
gas supplier.

• Do not store or use gasoline or other 

fl ammable vapors and liquids in the vicinity 
of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not 

use any phone in your building.

• Leave the building immediately.

• Immediately call your gas supplier from a 

neighbors phone. Follow the gas suppliers 

instructions.

• If you cannot reach your gas supplier, call 

the fi re department.

High Effi ciency

Summary of Contents for R6GP-072 Series

Page 1: ...s experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment After completing the installation return these in...

Page 2: ...Exchanger and Burner Maintenance 18 Cleaning of Burners 18 Cleaning of Heat Exchanger 18 Vent Cover Assembly 19 Electrical 19 Motor Lubrication 19 Refrigerant Charging 19 COMPONENT FUNCTIONS 20 Centr...

Page 3: ...t be followed during the installation service and operation of this unit Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death This...

Page 4: ...e air filters a suitable air filter must be installed ahead of the evaporator coil of the return air system Refer to page 17 for recommended filter sizes REQUIREMENTS and CODES This unit must be insta...

Page 5: ...washing materials Plumbing Stack Condensate Drain The method for disposing of condensate varies accord ing to local codes Consult your local code or authority having jurisdiction Condensate is draine...

Page 6: ...prevent snow accumulation from obstructing the vent termination The vent termination must not be located above any public walkways COMBUSTION AIR REQUIREMENTS WARNING Installation using methods other...

Page 7: ...pages 22 27 for locating the center of gravity All panels must be secured in place during rigging and hoisting UNIT INSTALLATION Packaging Removal 1 Remove top crate brackets and wooden cap assembly f...

Page 8: ...instructions provided with the kit WARNING Never drill or punch holes in unit base when installing downflow units Leakage may occur if bottom pan is punctured On bottom discharge applications the sup...

Page 9: ...eflected light may be observed inside the casing to indicate the presence of leaks in the heat exchanger The cover for the opening shall be attached in such a manner as to prevent leaks If outside air...

Page 10: ...ped Gas Supply This unit only has right side gas entry When connecting the gas provide clearance between the gas supply line and the entry hole in the unit s casing to avoid unwanted noise and or dama...

Page 11: ...erify the input rate is correct as listed in the tables Approved conversion kit must be used Please follow the instructions provided with each kit INSTALLATION EXAMPLE Elevation 3 890 feet Type of Gas...

Page 12: ...ult should occur Do not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code...

Page 13: ...nticipator Verifyifthethermostatbeingusedfortheinstallationhasa heatanticipatorsetting Thisfunctionallowsthethermostat to anticipate the space heating rate and time the burner to shutoff accordingly A...

Page 14: ...hermostat to the lowest setting 2 Follow the startup procedures on this page or the operating instruction label inside the louvered control access panel 3 Set the thermostat above room temperature and...

Page 15: ...UTION Do not re drill the burner orifices If the orifice size must be changed use only new orifices IMPORTANT NOTE The firing rate must not exceed the rate shown on the unit data label At altitudes ab...

Page 16: ...il the thermostat is satisfied or 24 VAC power is removed from the unit for a minimum period of 5 seconds Heating Mode for 100 166 kBtuh Heat Exchangers 1 On a call for heat the thermostat closes appl...

Page 17: ...rily intendedtoassistqualifiedtechniciansexperiencedinthe proper maintenance and operation of this appliance To achieve optimum performance from the air conditioner and minimize equipment failure it i...

Page 18: ...op portion of the heat exchanger Operate Blower Compartment Build up of dirt and lint on the blower and motor can create excessive loads on the motor resulting in higher than normal operating temperat...

Page 19: ...of each heating and cooling season Service as necessary CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Motor Lubricatio...

Page 20: ...the flow of gas to the burners in both low and high fire When the valve is energized it automatically opens and regulates the gas pressure to the manifold High Pressure Switch This factory installed...

Page 21: ...Bottom Power Entry Control Wiring Entry Power Wiring Entry 115v G F C I Convenience Outlet Factory or Field installed option Wiring supplied in field Condenser Coils Electrical Disconnect Mounting Pa...

Page 22: ...02 16 1 2 419 30 762 7 178 7 1 4 184 30 762 16 1 2 419 Horz Return Air Opening REAR VIEW Figure 12 R6GP 072 Series Shown with optional horizontal duct panels FRONT VIEW 101 1 2 2578 2 51 30 3 4 4 102...

Page 23: ...UVERS 43 1092 14 61 371 6 08 154 57 1 2 1460 HEAT EXCHANGER END Figure 12 R6GP 072 Series Continued BOTTOM PAN TOP VIEW 5 3 4 146 16 1 2 419 30 1 2 775 Discharge Air Opening 7 178 7 178 Return Air Ope...

Page 24: ...419 7 178 30 762 16 1 2 419 Filter Access Horz Return Air Opening Condenser Coil Horizontal Discharge Air Opening 16 1 2 419 x 30 762 REAR VIEW Figure 13 R6GP 090 Series Shown with optional horizontal...

Page 25: ...178 7 178 Return Air Opening 16 1 2 419 30 1 2 775 Power Entry 8 3 4 222 62 1575 101 1 4 2572 CONDENSER END Airflow Airflow Compressors x2 INDUCER EXHAUST RECOMMENDED LOCATION FOR UNIT DISCONNECT RAT...

Page 26: ...102 16 406 101 1 2 2578 Recommended Unit Disconnect Mounting Location 4 102 Electric Supply Entries FRONT VIEW Dimensions shown in inches mm Filter Access 55 1 4 1403 Condenser Coils 16 1 2 419 30 762...

Page 27: ...5 125 221 100 43 1 2 1105 38 1 4 972 R6GP 090 200C 983 446 1118 507 55 3 8 1407 28 711 262 119 275 125 229 104 218 99 43 1 2 1105 38 1 4 972 R6GP 120 235C 1301 590 1441 654 49 1245 30 762 300 136 328...

Page 28: ...w CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw 1 5 HP Medium Static Drive Kit Fully Closed 1 2 Turn Open 1 Turn Open 2450 1154 4 38 2292 1159 1 34 1 5 Turns Open 2512 1...

Page 29: ...RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw 1 5 HP Medium Static Drive Kit Fully Closed 1 2 Turn Open 1 Turn Open 2569 1149 1 51 2307 1154 1 37 1 5 Turns Open 2580 1122 1...

Page 30: ...M Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw 1 5 HP Medium Static Drive Kit Fully Closed 1 2 Turn Open 2502 1186 1 52 1 Turn Open 2443 1157 1 42 2344 1161 1 35 1 5 Turns Open 2591 1124 1 41 2365 1...

Page 31: ...Kw CFM RPM Kw CFM RPM Kw 2 HP Medium Static Drive Kit Fully Closed 1 2 Turn Open 2713 1187 1 66 1 Turn Open 2706 1159 1 54 2426 1166 1 43 1 5 Turns Open 2696 1131 1 54 2473 1137 1 36 2232 1143 1 27 2...

Page 32: ...84 1 71 3 0 Turns Open 3240 1144 1 92 3056 1146 1 82 2898 1148 1 79 2721 1151 1 72 3 5 Turns Open 3259 1110 1 94 3047 1113 1 81 2862 1116 1 67 2677 1117 1 62 4 0 Turns Open 3198 1078 1 86 3013 1080 1...

Page 33: ...n 3423 1140 2 00 3223 1144 1 80 2889 1150 1 70 2657 1155 1 60 3 5 Turns Open 3549 1102 2 00 3347 1108 1 90 3149 1112 1 75 2950 1118 1 60 2668 1126 1 40 4 0 Turns Open 3492 1066 1 90 3339 1074 1 80 310...

Page 34: ...85 1 20 4 5 Turns Open 3360 756 1 14 5 0 Turns Open Model Motor Sheave Position External Static Pressures Inches Water Column 0 9 1 0 1 1 1 2 1 3 1 4 CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RP...

Page 35: ...25 5 0 Turns Open Model Motor Sheave Position External Static Pressures Inches Water Column 0 9 1 0 1 1 1 2 1 3 1 4 CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw 3 HP High Static...

Page 36: ...60 60 3 414 506 9 7 62 1 0 8 2 1 15 8 25 072C 166C 208 230 60 3 187 253 19 123 1 1 5 5 8 32 6 50 072D 166C 460 60 3 414 506 9 7 62 1 0 8 2 8 16 5 25 090C 200C 208 230 60 3 187 253 13 1 83 1 2 2 3 9 1...

Page 37: ...Indicates plug connection Letter Indicates which plug Number indicates pin location See Note 5 OFC 4 Amp Circuit Breaker 24V Hot High Pressure Switchs Evap Freezestats Low Pressure Switchs Y1 Factory...

Page 38: ...T1 T3 CC1 Aux Switch N C CC2 Aux Switch N C CC1 CCH1 CCH2 Field Supplied Disconnect 3Phase Power Only For supply connections use copper conductors only Unit Terminal Block Transformer 24V Sec Primary...

Page 39: ...W1 P2 3 W2 P2 4 R P2 2 P1 6 P1 9 GR WH BK BK BK BK BR BR BK RD YE OR RD OD FAN1 OD FAN 2 BK BL OR BK BL OR HIGH VOLTAGE TERM BOARD CHASSIS GROUND TO FIELD SUPPLIED DISCONNECT 3 PHASE POWER ONLY ECONOM...

Page 40: ...T1 L3 T3 L2 L1 T2 T1 L3 T3 CCH2 CCH1 2ND STAGE COMP RELAY BLOWER LIMIT RELAY 3 1 6 5 4 2 4 2 6 5 3 1 L1 L2 L3 BK BK BK BK BK BK INDUCER MOTOR RELAY RED BLACK BLACK WHITE BROWN WHITE BLACK WHITE BLACK...

Page 41: ...T1 L3 T3 L2 L1 T2 T1 L3 T3 CCH2 CCH1 2ND STAGE COMP RELAY BLOWER LIMIT RELAY 3 1 6 5 4 2 4 2 6 5 3 1 L1 L2 L3 BK BK BK BK BK BK WHITE BLACK YELLOW BLACK INDUCER MOTOR RELAY BLACK RED BLACK BLACK WHIT...

Page 42: ...IFICE SIZE R6GP 072 100C Natural 100 000 3 36 38 40 41 43 Propane 85 000 53 54 54 55 55 R6GP 072 166C Natural 166 000 5 36 38 40 41 43 Propane 141 000 53 54 54 55 55 R6GP 090 200C Natural 200 000 6 36...

Page 43: ...6 231 462 24 150 750 1500 80 45 225 450 26 138 692 1385 82 44 220 439 28 129 643 1286 84 43 214 429 30 120 600 1200 86 42 209 419 32 113 563 1125 88 41 205 409 34 106 529 1059 90 40 200 400 36 100 500...

Page 44: ...circuits are energized and have stable operation As can be seen in the charging charts the ideal system sub cooling can vary over the range of operation Always reference the charts to determine the id...

Page 45: ...ture F Liquid Pressure psig Rem ove refrigerant when above curve Add refrigerant when below curve Figure 21 R6GP 090 200C Series R6GP 090 200C Charging Chart Cooling Operation Two stage refrigeration...

Page 46: ...gaz en utili sant le t l phone d un voisin A d faut de la compagnie du gaz avertir le service des pompiers C Enfoncer ou faire tourner le robinet gaz la main seulement Ne jamais utiliser d outils S i...

Page 47: ...one d un voisin A d faut de la compagnie du gaz avertir le service des pompiers C Enfoncer ou faire tourner le robinet gaz la main seulement Ne jamais utiliser d outils S il n est pas possible de fair...

Page 48: ..._____ Stage 1 Suction Pressure low side ________________________ Stage 2 Liquid Pressure high side ________________________ Stage 2 Liquid Temperature ______________________________ Stage 2 Suction Pr...

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