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34

MUA-SVX005B-EN

5. Adjust driver pulley pitch diameter for desired speed by opening (slower) or closing (faster)

moving parts by half or full turns. Do not open sheave past point where flange projects past
the hub end.

6. If driver pulley is equipped with external key, marked B, replace.

7. Tighten setscrew(s) marked A.

8. Replace retension belt(s).

9. Realign drive if necessary.

Figure 11.

Blower Belt Tension

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Summary of Contents for GGAA

Page 1: ... Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment May 2017 M MU UA A S SV VX X0 00 05 5B B E EN N Indoor Make Up Air Unit Arrangements For Heating Cooling and Ventilating Systems M Mo od de ...

Page 2: ...frigerant practices are important to the environment our customers and the air conditioning industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets forth the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service procedures In addition some states or municipalities m...

Page 3: ... a r ri is sk k o of f e en ne er rg gi iz ze ed d e el le ec ct tr ri ic ca al l c co on nt ta ac ct t a ar rc c o or r f fl la as sh h t te ec ch hn ni ic ci ia an ns s M MU US ST T p pu ut t o on n a al ll l P PP PE E i in n a ac cc co or rd da an nc ce e w wi it th h O OS SH HA A N NF FP PA A 7 70 0E E o or r o ot th he er r c co ou un nt tr ry y s sp pe ec ci if fi ic c r re eq qu ui ir re em...

Page 4: ...or Combustion 16 Duct Connections 16 Gas Piping 16 Modulating Gas Control Optional 17 Electrical Connections 18 DX Coil Equipped Units Optional 20 Chilled Water Coil Equipped Units Optional 20 Evaporative Cooler Equipped Units Optional 21 Operation 22 General Information 22 Gas Control System 22 Sequence of Operation 22 Optional Gas Controls 23 Air Handling Requirements and Adjustments 23 Lighting...

Page 5: ...ter Cooling Coil 42 Dimensional Data Arrangements 43 Unit Type GG Indoor Arrangements B Capacities 10 80 44 Unit Type GG Indoor Arrangements D Capacities 10 80 44 Unit Type GG Indoor Arrangements G Capacities 20 12 45 Unit Type GG Indoor Arrangements K Capacities 10 80 46 Motor Electric Data 47 Unit Shipping Weights 48 Coil Cabinet Dimensional Data 50 Center of Gravity 51 Center of Gravity Data 51...

Page 6: ...fasteners may occur It is the installer s responsibility to inspect and correct any problems that may be found When the unit is received and uncrated check the external data plate and all labels on the unit for type of gas electrical and operational specifications to confirm that these agree with those at point of installation The unit is equipped with an Indoor Duct Furnace Check the data plate a...

Page 7: ...y of this appliance is hazardous If you smell gas Do not touch electrical switches Extinguish any open flames Immediately call your gas supplier Open all disconnect switches before installing the unit If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so may result in personal injury or death from electrical shoc...

Page 8: ...It must NOT be used in potentially dangerous locations such as flammable explosive chemical laden or wet atmospheres In cases in which property damage may result from malfunction of the heater a backup system or a temperature sensitive alarm should be used W WA AR RN NI IN NG G F Fi ir re e H Ha az za ar rd d a an nd d T To ox xi ic c F Fu um me es s F Fa ai il lu ur re e t to o f fo ol ll lo ow w...

Page 9: ... ar rd dw wa ar re e u us se ed d i in n t th he e s su us sp pe en ns si io on n o of f e ea ac ch h d du uc ct t f fu ur rn na ac ce e i is s p pr ro op pe er rl ly y r ra at te ed d f fo or r t th he e j jo ob b M Ma ak ke e c ce er rt ta ai in n t th ha at t t th he e s st tr ru uc ct tu ur re e t to o w wh hi ic ch h t th he e d du uc ct t f fu ur rn na ac ce e i is s t to o b be e m mo ou un...

Page 10: ...VX005B EN Figure 1 Hoisting of Make Up Air Unit Without Lifting Brackets Figure 2 Hoisting of Make Up Air Unit With Lifting Brackets G Ge en ne er ra al l S Sa af fe et ty y R Re eq qu ui ir re em me en nt ts s ...

Page 11: ...g must be considered If a variable frequency drive VFD has been ordered with the unit consideration should be made for the VFD operating temperature range 14 F to 130 F For temperatures below 14 F VFD must be factory installed within the VFD Enclosure accessory Model Digit 22 option 9 or field mounted indoors Combustion Air Considerations The presence of chlorine vapors or other corrosive vapors i...

Page 12: ... e M Ma ak ke e c ce er rt ta ai in n t th ha at t t th he e l li if ft ti in ng g m me et th ho od ds s u us se ed d t to o l li if ft t t th he e d du uc ct t f fu ur rn na ac ce e a ar re e c ca ap pa ab bl le e o of f s su up pp po or rt ti in ng g t th he e w we ei ig gh ht t o of f t th he e h he ea at te er r d du ur ri in ng g i in ns st ta al ll la at ti io on n E En ns su ur re e t th ha...

Page 13: ...arance must be maintained around all openings into the combustion chamber Adequate clearance should be planned for the width of the unit to pull out the burner drawer See Figure 5 p 14 and Tables 5 and 6 A pilot burner plate is provided in the Duct Furnace for easy access to the pilot burner and ignition system without opening burner drawer compartment Accessibility is also provided for the safety...

Page 14: ...su up pp po or rt t N No ot te e Recommended ceiling clearance 36 914mm is to the top of the furnace venting collar assembly Figure 5 Manufacturer s Recommended Service Clearances Access Panel Removal W WA AR RN NI IN NG G H Ha az za ar rd do ou us s V Vo ol lt ta ag ge e a an nd d G Ga as s F Fa ai il lu ur re e t to o t tu ur rn n o of ff f g ga as s o or r d di is sc co on nn ne ec ct t p po ow...

Page 15: ... al ll l t ti im me es s W WA AR RN NI IN NG G P Pr ro op pe er r V Ve en nt ti in ng g R Re eq qu ui ir re ed d F Fa ai il lu ur re e t to o f fo ol ll lo ow w i in ns st tr ru uc ct ti io on ns s b be el lo ow w c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i in nj ju ur ry y A Al ll l v ve en nt ti in ng g i in ns st ta al ll la at ti io on ns s s sh ha ...

Page 16: ... less than one square inch per 5 000 Btu Hr of total input rating of all appliance within the space shall be provided Refer to the Indoor Duct Furnace Manual supplied with your unit for more requirements Duct Connections All ductwork must be properly supported so that no strain is put on the unit Do not alter or bend the discharge duct flanges supplied on your make up air unit Duct connections mus...

Page 17: ...e es st t s so ol lu ut ti io on n f fo or r l le ea ak k t te es st ti in ng g The gas line should be supported so that no strain is placed on the unit Pipe compounds which are not soluble to liquid petroleum gases must be used on threaded joints The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test...

Page 18: ...ju ur ry y D DO O N NO OT T u us se e a an ny y t to oo ol ls s i i e e s sc cr re ew wd dr ri iv ve er r p pl li ie er rs s e et tc c a ac cr ro os ss s t th he e t te er rm mi in na al ls s t to o c ch he ec ck k f fo or r p po ow we er r Y Yo ou u M MU US ST T u us se e a a v vo ol lt tm me et te er r Locate the thermostat in accordance with the instructions supplied with the thermostat All fie...

Page 19: ... Board with FanTime Delay and Function Relays 10 PowerVenter MotorAssembly includesRelayand Air Pressure Switch 11 J unction Box Ignitor 12 Time DelayFreezest at 13 SupplyFirestat 14 DuctThermostat 15 PrimarySafetyLimit 16 GasValve 17 High Limit SafetySwitch 18 Transformer 19 ElectricalWiring Inlet 20 HighVoltageTerminal Block 21 Door SafetySwitch 22 Contactor 23 Centrifugal Blower 24 DamperMotor ...

Page 20: ...trap in line immediately downstream of drain pan connection external to the unit to prevent possible outside air leakage into unit The P trap shall be of sufficient differential to overcome negative pressure of the indoor air blower A minimum height difference of 2 inch 51 mm is required See Figure 9 p 21 Before unit operation begins the P trap must be primed with either water summer or glycol win...

Page 21: ...rential to overcome negative pressure of the indoor air blower A minimum height difference of 2 inch 51 mm is required See Figure 9 p 21 Before unit operation begins prime P trap with either water summer or glycol winter Figure 9 Drain Pan Connection Evaporative Cooler Equipped Units Optional Refer to Evaporative Cooler Installation and Service Manual for water and electrical connections I In ns s...

Page 22: ... initiates all gas flow provides means to light the pilot burner proves and monitors the pilot burner operation The g ga as s v va al lv ve e consists of two operators which provide gas to the pilot and main burners Both operators are energized and de energized by the ignition control module each heating cycle The p pi il lo ot t b bu ur rn ne er r includes an ignitor and flame sense probe The ign...

Page 23: ... first and disengage last E El le ec ct tr ro on ni ic c M Mo od du ul la at ti io on n U Un ni it ts s These units are equipped with an electronic modulating control which provides unit firing capabilities of 40 to 100 of the units full input rate This control is found in the gas train downstream of the gas valve and allows main burner ignition only at the maximum rate A thermostat with remote se...

Page 24: ... space with constant fan operation Refer to unit wiring diagram I Im mp po or rt ta an nt t Check blower belt tension Proper belt tension is important to the long life of the belt and motor Proper belt tension will allow the belt to be depressed 1 2 to 3 4 It is important that the blower motor and the blower wheel pulleys be in good alignment with the motor and blower shafts parallel Belt tension ...

Page 25: ... fo or r l le ea ak k t te es st ti in ng g This unit is equipped with an intermittent ignition system A lighting instruction label is attached to the unit To set the intermittent ignition system into operation proceed as follows 1 Turn on the gas valve s main manual valve 2 Turn on electrical power The unit is now under thermostat control 3 Set thermostat to highest level This will initiate the s...

Page 26: ...d to the same meter must be turned off 4 Fire unit according to instructions 5 After approximately 15 minutes of unit operation determine volume of gas used in five minutes of unit operation For the Example above the unit should use 4 17 ft3 min x 5 minor 20 8 ft3 1 97 L s x 5 min x 60 s min 591L of gas Minor input adjustments can be made by removing pressure regulator cap and turning regulator cl...

Page 27: ...g diagram for electrical location This control must never be bypassed Upon completion of unit installation the primary limit must be checked for proper operation This can be accomplished by removing power to the indoor air blower and a call for heat C Cl lo og gg ge ed d F Fi il lt te er r S Sw wi it tc ch h Optional The clogged filter switch monitors the pressure differential across the air filte...

Page 28: ...e e 1 Close the unit disconnect switch which provides power to the unit I Im mp po or rt ta an nt t High voltage is present in some areas of the unit primarily the main electrical cabinet with the unit disconnect switch closed Failure to exercise caution when working in the presence of energized electrical components may result in injury or death from electrical shock W WA AR RN NI IN NG G L Li iv...

Page 29: ...ng Once proper unit operation is verified perform these final steps 1 Inspect unit for debris and or misplaced tools and hardware 2 Be sure all gas valves and controls are in the operating position if the unit will be operating immediately 3 Cycle unit on all safety controls to verify proper unit operation 4 Confirm proper operating control thermostat or ductstat operation by cycling unit 5 Secure...

Page 30: ...ion the blower compartment the electrical cabinet and the supply plenum To remove the service door from any of these compartments refer to access panel removal section in beginning of this manual The pilot burner can be serviced by removing the pilot plate from the main burner drawer assembly The rear high limit safety switch is accessible by removing the exterior upper jacket then remove the moun...

Page 31: ... nd d G Ga as s F Fa ai il lu ur re e t to o t tu ur rn n o of ff f g ga as s o or r d di is sc co on nn ne ec ct t p po ow we er r b be ef fo or re e s se er rv vi ic ci in ng g c co ou ul ld d r re es su ul lt t i in n a an n e ex xp pl lo os si io on n o or r e el le ec ct tr ro oc cu ut ti io on n w wh hi ic ch h c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou...

Page 32: ...oil per manufacturer s instructions 4 Check air throughput at beginning of heating season to confirm unit operation is within the specified temperature rise range 5 At beginning of heating season clear Condensate Drain Pan and P trap of water if unit is equipped with DX or Chilled water coil Clean out drain pan and fill P trap with a non toxic glycol solution 6 Evaporative cooler must be cleaned a...

Page 33: ...er Belt Tension Adjustment Standard CFM Blower belt tension can be adjusted by loosening motor mounting bolts marked A See Figure 11 p 34 To tighten belt slide motor down motor mounting bracket and re fasten motor to mounting bracket High CFM Blower belt s tension can be adjusted by first loosening motor mounting plate bolts marked A See Figure 11 p 34 To tighten belt tension turn belt tension adj...

Page 34: ...ng parts by half or full turns Do not open sheave past point where flange projects past the hub end 6 If driver pulley is equipped with external key marked B replace 7 Tighten setscrew s marked A 8 Replace retension belt s 9 Realign drive if necessary Figure 11 Blower Belt Tension M Ma ai in nt te en na an nc ce e ...

Page 35: ...MUA SVX005B EN 35 Figure 12 Blower RPM Adjustment M Ma ai in nt te en na an nc ce e ...

Page 36: ...earing support Blower Wheel Hitting Cutoff 1 Cutoff not secure in blower housing 2 Cutoff damaged 3 Cutoff improperly positioned Drive 1 Pulley not tight on shaft motor and or blower wheel 2 Belts too loose Adjust for belt stretching after 48 hours of operation 3 Belts too tight 4 Belts wrong cross section 5 Belts not matched in length on multi belt drive 6 Variable pitch pulleys not adjusted so e...

Page 37: ...k too small for application 2 Blower selection too small for application 3 Registers or grilles too small for application 4 Cooling coil with insufficient face area for application Obstruction in High Velocity Air Stream may cause Rattle or Pure Tone Whistle 1 Dampers 2 Registers 3 Grilles 4 Sharp elbows 5 Sudden expansion in duct work 6 Sudden contraction in duct work 7 Turning vanes Pulsation or...

Page 38: ...han anticipated Blower Blower RPM is too great Blower Does Not Operate Installation 1 Incorrect electrical connection 2 Wrong voltage 3 Blown fuse Unit 1 Broken belt s 2 Loose pulleys 3 Power to unit is disconnected 4 Motor overload protector has broken circuit 5 Optional thermostats firestats freezestats may lockout blower operation if set incorrect Troubleshooting Guide Electric Motors Problem P...

Page 39: ...s too small Install larger line wiring Motor takes too long to accelerate Excessive load Replace with larger motor Loose connection Check connections and tighten where necessary Wrong Rotation 3 Phase Improperly wired to AC line wrong sequence of phases Check unit wiring diagram Reverse any two line voltage connections Motor Overheats Motor overloaded Replace with larger motor Motor ventilation cl...

Page 40: ...y Misalignment Realign drive Belt Squeal Excessive load High starting load Retension drive Belt Breakage Foreign material in drive Provide drive guard Belts damaged during installation Replace belts Extreme Overload Eliminate overload Excessive Vibration Damaged belt cord section Replace belts Loose belts Tension drive Belts improperly tensioned Tension drive with slack of each belt on the same si...

Page 41: ...l Air binding Purge and charge system Thermal expansion valve 1 Bulb mounted at incorrect location 2 Bulb not secured properly Insufficient air flow 1 See air blower troubleshooting 2 Clogged coil Air bypassing coil Caulk safe off Undersized system demand exceeding cooling system capacity Replace system Too much outside air Check outside air dampers Refrigerant leak Determine leak location and cor...

Page 42: ...acity is inadequate 2 System piping losses too great Insufficient air flow 1 See air blower troubleshooting 2 Clogged coil Air bypassing coil Caulk safe off Undersized system demand exceeding cooling system capacity Replace system Too much outside air Check outside air dampers Water in Conditioned Air Exceeding coil face velocity 600 fpm Reduce unit air flow Drain pan p trap clogged Clean pan and ...

Page 43: ...adaptor is to be field supplied installed for unit capacities 10 15 The 5 to 6 increaser adaptor is supplied by the manufacturer for unit capacities 30 35 40 60 70 80 required for each furnace s flue Gas Inlet sizes N Na at tu ur ra al l G Ga as s Capacities 10 thru 20 1 2 Capacities 25 thru 80 3 4 L LP P G Ga as s Capacities 10 thru 20 1 2 Capacities 25 thru 80 1 2 or 3 4 All dimensional drawings...

Page 44: ...pe GG Indoor Arrangements B Capacities 10 80 Capacities 50 80 shown Unit Type GG Indoor Arrangements D Capacities 10 80 Capacities 50 80 shown D Di im me en ns si io on na al l D Da at ta a A Ar rr ra an ng ge em me en nt ts s ...

Page 45: ...ervice the burner drawer J is an outside dimension for return air dampers V Dia Flue Opening the 4 to 5 reducer adaptor is to field installed for unit capacities 10 15 The 5 to 6 increaser adaptor is supplied by the manufacturer for unit capacities 30 35 40 60 70 80 12 required for each furnace s flue Gas Inlet sizes N Na at tu ur ra al l G Ga as s Capacities 10 thru 20 1 2 Capacities 25 thru 12 3...

Page 46: ...46 MUA SVX005B EN Unit Type GG Indoor Arrangements K Capacities 10 80 Capacities 50 80 shown D Di im me en ns si io on na al l D Da at ta a A Ar rr ra an ng ge em me en nt ts s ...

Page 47: ...MUA SVX005B EN 47 Motor Electric Data Table 7 Full Load Current in Amperes ...

Page 48: ... 8 7 2 7 8 7 2 7 8 7 P H 3 5 9 9 9 7 8 7 8 P H 5 8 3 1 4 3 1 8 3 1 4 3 1 P H 2 1 7 10 HP 161 15 HP 0 6 3 0 6 4 F 0 6 3 0 3 2 E 0 6 3 8 0 2 D 1 2 3 4 1 2 3 4 1 2 3 4 1 2 HP 3 4 HP 1 HP 1 1 2 HP 2 HP 3 HP 7 7 6 7 7 7 6 7 7 7 76 P H 5 6 3 1 7 1 1 6 3 1 7 1 1 6 3 1 117 P H 2 1 7 8 5 1 8 2 1 8 5 1 8 2 1 8 5 1 128 P H 0 1 5 5 2 7 1 2 5 5 2 7 1 2 5 5 2 217 P H 5 1 1 2 3 4 1 2 HP 3 4 HP 1 HP 2 4 0 4 P H 2...

Page 49: ... 284 lbs 389 lbs Table 10 VFD Enclosure Weight Adder Small Enclosure VFD 1 5 HP 95 lbs Large Enclosure VFD 7 5 15 HP 135 lbs Table 11 Indoor Arrangement B D G K Shipping Weights lbs Capacity Arrangement B D G K 10 637 803 929 15 662 828 954 20 785 982 972 1103 25 812 1009 1021 1149 30 937 1163 1186 1321 30 983 1209 1238 1374 40 1048 1287 1314 1460 50 1144 1340 1349 1476 60 1318 1543 1565 1701 70 1...

Page 50: ...50 MUA SVX005B EN Coil Cabinet Dimensional Data Figure 13 Coil Cabinet Dimensional Data ...

Page 51: ...No ot te es s Refer to the Center of Gravity diagram Values Based on Average Motor Weight and Average Coil Size Arrangement K Actual Center of Gravity and Corner Weights For Specific Motor Size and Specific Coil are Available Upon Request Table 12 Center of Gravity Data Arrangements B and D ...

Page 52: ...52 MUA SVX005B EN Table 13 Center of Gravity Data Arrangement K C Ce en nt te er r o of f G Gr ra av vi it ty y ...

Page 53: ...ronic Control System S Special Gas Control Digit 10 11 Design Sequence F0 Design Sequence Digit 12 Fuel Type GT N Natural Gas P LP Gas Propane L Natural Gas w 100 Lockout S Special Fuel Type Digit 13 Heat Exchanger Material 1 Aluminized Steel 2 409 Stainless Steel First Furnace Only 3 409 Stainless Steel All Furnace Sections 4 321 Stainless Steel First Furnace Only 5 321 Stainless Steel All Furnac...

Page 54: ... S Special Air Control and Damper Arrangement Digit 20 0 Non California Shipment 1 California Shipment Digit 21 Miscellaneous Options A Orifices for Elevation Above 2000 Feet Specify Elevation B 12 Evaporative Media Celdek C Moisture Eliminator D Horizontal Return E Air Flow Proving Switch F Freezestat w Time Delay G Fan Time Delay Indoor Duct Furnace H Return Firestat J Supply Air Firestat K Manu...

Page 55: ...MUA SVX005B EN 55 Indoor Make Up Air Products Figure 15 Indoor Make Up Air Arrangements I In nd do oo or r M Ma ak ke e U Up p A Ai ir r U Un ni it t N Nu um mb be er r D De es sc cr ri ip pt ti io on n ...

Page 56: ...i CFM Blower Module F D Hi CFM Filter Damper Module CC Cooling Coil Module EV Evap Cooler Module N No ot te es s Air Inlet Configurations may vary Digit 18 Refer to complete Model Number Designation for more details I In nd do oo or r M Ma ak ke e U Up p A Ai ir r U Un ni it t N Nu um mb be er r D De es sc cr ri ip pt ti io on n ...

Page 57: ...MUA SVX005B EN 57 Gas Equipment Start Up ...

Page 58: ...58 MUA SVX005B EN N No ot te es s ...

Page 59: ...MUA SVX005B EN 59 N No ot te es s ...

Page 60: ...nd protect food and perishables and increase industrial productivity and efficiency We are a global business committed to a world of sustainable progress and enduring results ingersollrand com Ingersoll Rand has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice We are committed to using environmentally conscious p...

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