Daikin AHRI 210 User Manual Download

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INSTALLATION INSTRUCTIONS

DBG Series

Light Commercial Packaged Gas Unit

6 Ton

Installation Instructions

IOD-1048

03/2020

Our continuing commitment to quality products may mean a change in specifications without notice.

19001 Kermier Rd., Waller, TX 77484

www.daikincomfort.com

Only personnel that have been trained to install, adjust, service or

repair(hereinafter, “service”) the equipment specified in this manual

should service the equipment. The manufacturer will not be responsible

for any injury or property damage arising from improper service or service

procedures. If you service this unit, you assume responsibility for any

injury or property damage which may result. In addition, in jurisdictions

that require one or more licenses to service the equipment specified in

this manual, only licensed personnel should service the equipment.

Improper installation, adjustment, servicing or repair of the equipment

specified in this manual, or attempting to install, adjust, service or repair

the equipment specified in this manual without proper training may result

in product damage, property damage, personal injury or death.

WARNING

This forced air central unit design complies with

requirements embodied in The American National Standard

/ National Standard of Canada

ANSI Z21.47•CSA-2.3 Gas-

fired central furnaces.

WARNING

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

0140M00517-A

Summary of Contents for AHRI 210

Page 1: ...onsibility for any injury or property damage which may result In addition in jurisdictions that require one or more licenses to service the equipment specified in this manual only licensed personnel should service the equipment Improper installation adjustment servicing or repair of the equipment specified in this manual or attempting to install adjust service or repair the equipment specified in ...

Page 2: ...NG If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life do not store or use gasoline or other flammable 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 build...

Page 3: ... Areas This ven la on is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device con nues to operate in the enclosed area Carbon monoxide emissions can be re circulated throughout the structure if the furnace or air handler is opera ng in any mode B10259 216 CO can cause serious illness including permanent brain damage or death Los equipos ó aparatos que...

Page 4: ...an National Standards Institute www ansi org System design and installation should also where applicable follow information presented in accepted industry guides such as the ASHRAE Handbooks The manufacturer assumes no responsibility for equipment installed in violation of any code or regulation The mechanical installation of the packaged roof top units consists of making final connections between...

Page 5: ...he enclosure for fire protection proper operation and service access see unit clearances These clearances must be permanently maintained The combustion air inlet and flue outlet on the unit must never be obstructed If used do not allow the economizer manual fresh air damper motorized fresh air damper to become blocked by snow or debris In some climates or locations it may be necessary to elevate t...

Page 6: ...ontractor The curbs must be supported on parallel sides by roof members The roof members must not penetrate supply and return duct opening areas as damage to the unit might occur NOTE The unit and curb accessories are designed to allow vertical duct installation before unit placement Duct installation after unit placement is not recommended CAUTION All curbs look similar To avoid incorrect curb po...

Page 7: ...he unit in an adequate cable sling CAUTION If units are lifted two at a time the fork holes on the condenser end of the unit must not be used Minimum fork length is 42 to prevent damage to the unit however 48 is recommended Provisions for forks have been included in the unit base frame No other fork locations are approved WARNING To prevent possible equipment damage property damage personal injury...

Page 8: ...y onto roof mounting curb When a rectangular cantilever curb is used care should be taken to center the unit Check for proper alignment and orientation of supply and return openings with duct Rigging Removal CAUTION To prevent damage to the unit do not allow crane hooks and spreader bars to rest on the roof of the unit Remove spreader bars lifting cables and other rigging equipment ELECTRICAL WIRI...

Page 9: ...vicing controls Verify proper operation after servicing NOTE A weather tight disconnect switch properly sized for the unit total load must be field or factory installed An external field supplied disconnect may be mounted on the exterior panel Ensure the data plate is not covered by the field supplied disconnect switch Some disconnect switches are not fused Protect the power leads at the point of ...

Page 10: ...pening or through curb indicated in Electrical Entrance figure Connect thermostat and any accessory wiring to low voltage terminal block TB1 in the main control box 5 For two stage heating operation remove the factory installed jumper connecting W1 and W2 terminals on terminal block NOTE Field supplied conduit may need to be installed depending on unit curb configuration Use 18 AWG solid conductor...

Page 11: ... unit The following rules apply 1 Use black iron pipe and fittings for the supply piping The use of a flex connector and or copper piping is permitted as long as it is in agreement with local codes 2 Use pipe joint compound on male threads only Pipe joint compound must be resistant to the action of the fuel used 3 Use ground joint unions 4 Install a drip leg to trap dirt and moisture before it can...

Page 12: ...propane gas leak Contact a local propane gas supplier about installing a gas detecting warning device IMPORTANT NOTE Propane gas conversion kits must be installed to convert units to propane gas NOx screens must be removed before converting to LP Remove burner assembly and pull NOx screens from each burner tube When all the screens are out reassemble the burner assembly without the screens All pro...

Page 13: ...is less than 5 0 w c or greater than 10 0 w c NOTE A minimum horizontal distance of 48 between the regulator and the furnace flue discharge is required 5 With all units on a common line operating under full LP gas main supply pressure should be at least 11 0 w c and must be no greater than 13 0 w c measured at the unit gas valve Unit will not function satisfactorily if supply gas pressure is less ...

Page 14: ...ecks procedures the following steps should be completed in the building WARNING MOVING MACHINERY HAZARD To prevent possible personal injury or death disconnect power to the unit and padlock in the OFF position before servicing fans This unit is equipped with an electronic ignition device to automatically light the main burners It also has a power vent blower to exhaust combustion products On new i...

Page 15: ...e value assigned to a circuit or system for the purpose of designating its voltage class Nameplate Voltage That voltage assigned to a piece of equipment for the purpose of designating its voltage class and for the purpose of defining the minimum and maximum voltage at which the equipment will operate Utilization Voltage The voltage of the line terminals of the equipment at which the equipment must...

Page 16: ...st belt tension DO NOT FORCE BELTS OVER GROOVES 5 Ensure all keys are in place and the set screws tight before starting drive Recheck set screws and belt tension after 24 hours service NOTE Future adjustments should be made by loosening the belt tension and increasing or decreasing the pitch diameter of the sheave by half or full turns as required Readjust belt tension before starting drive C B VL...

Page 17: ...or High fire is 3 5 w c on natural gas and 10 0 w c for propane gas Low fire natural gas 2 0 w c 6 0 w c low fire propane gas Minimum gas supply pressure is 5 0 w c for natural gas and 11 0 w c for propane gas Do not attempt adjustment of the built in pressure regulator unless the supply pressure is at least 5 0 w c on natural gas or 11 0 w c on propane gas FLAME SENSOR IGNITION ELECTRODE flame se...

Page 18: ... to the unit To measure the gas input use a gas meter and proceed as follows 1 Turn off gas supply to all other appliances except the unit 2 With the unit operating time the smallest dial on the meter for one complete revolution If this is a 2 cubic foot dial divide the seconds by 2 if it is a 1 cubic foot dial use the seconds as is This gives the seconds per cubic foot of gas being delivered to t...

Page 19: ...etails This unit has one RS Manual Reset Limit Control Switch Check the limit to make sure it has not tripped The limit may arrive at the job site tripped as a result of shipping shock If the venter motor comes on but the unit does not attempt ignition check if the ALS Auxiliary High Limit Control Switch requires resetting 1 With electricity and gas turned on the system switch in the HEAT or AUTO ...

Page 20: ... system has been factory charged and tested making it unnecessary to field charge Factory refrigerant charge is shown on the unit s nameplate To confirm charge levels or if a leak occurs and charge needs to be added to the system it is recommended to evacuate the system and recharge refrigerant to the unit s nameplate specifications This unit has been rated in the cooling mode at the AHRI rated co...

Page 21: ...is free from excessive vibration Also make sure tubes or lines are not rubbing against each other or sheet metal surfaces or edges If so correct the trouble 4 Set the thermostat at the appropriate setting for cooling and heating or automatic changeover for normal use 5 Be sure the Owner is instructed on the unit operation filter servicing correct thermostat operation etc MAINTENANCE WARNING ELECTR...

Page 22: ...e permanently lubricated No additional oiling is required Flame Sensor Qualified Servicer Only A drop in the flame current can be caused by a nearly invisible coating on the flame sensor This coating created by the fuel or combustion air supply can be removed by carefully cleaning the flame sensor with steel wool NOTE After cleaning the microamp signal should be stable and in the range of 4 6 micr...

Page 23: ...er purge cycle is completed and ignition is reattempted The control will repeat this routine three times if a measurable combustion is not established The control will then shut off the induced draft blower and go into a lockout state If flame is established but lost the control will energize the circulator blower at the heat speed and then begin a new ignition sequence If flame is established the...

Page 24: ...ue to excessive supply air temperatures This can be caused by a dirty filter excessive duct static insufficient air flow or a faulty limit Check filters total external duct static blower motor blower motor speed tap see wiring diagram and limit This limit will automatically reset once the temperature falls below a preset level Flame Detected with Gas Valve Closed 5 FLASH CODE If flame is detected ...

Page 25: ...L1 CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP 0 6 2579 1385 1 84 2457 1315 1 58 2318 1245 1 33 2172 1175 1 11 0 7 2518 1385 1 79 2391 1315 1 53 2245 1245 1 28 2090 1175 1 06 0 8 2575 1450 2 00 2456 1385 1 74 2322 1315 1 48 2168 1245 1 23 2004 1175 1 02 0 9 2516 1450 1 95 2392 1385 1 69 2251 1315 1 43 2088 1245 1 19 1913 1175 0 97 1 0 2455 1450 1 90 2325 1385 1 64 2177 ...

Page 26: ... BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP 0 6 2558 1385 1 83 2432 1315 1 56 2288 1245 1 31 2137 1175 1 09 0 7 2496 1385 1 77 2364 1315 1 51 2213 1245 1 26 2053 1175 1 04 0 8 2556 1450 1 99 2432 1385 1 72 2294 1315 1 46 2134 1245 1 21 1964 1175 0 99 0 9 2495 1450 1 93 2366 1385 1 67 2220 1315 1 41 2052 1245 1 16 1870 1175 0 95 1 0 2433 1450 1 88 2298 1385 1 62 2144 1315 1 36 ...

Page 27: ...6 11 6 15 3 5 0 6 15 1 20 2 4 DBG0727V 575 3 60 1 6 4 55 3 1 0 33 0 67 2 speed Belt Drive Standard Static 2 2 4 1 0 33 0 67 2 speed Belt Drive High Static 2 DBG0727S 575 3 60 1 6 4 55 3 2 9 DBG0724V 460 3 60 1 8 5 66 1 1 0 33 0 85 2 speed Belt Drive Standard Static 2 2 9 1 0 33 0 85 2 speed Belt Drive High Static 2 DBG0724S 460 3 60 1 8 5 66 1 6 DBG0723V 208 230 3 60 1 17 6 136 1 0 33 2 2 speed Be...

Page 28: ...28 APPENDIX C UNIT DIMENSIONS Horizontal Discharge Vertical Discharge NOTE Refer to IOD 7082 included in the literature pack for installing horizontal duct covers MODEL SIZE DIM A 6 TON GAS 43 1 2 ...

Page 29: ... APPENDIX D MIN MAX AIRFLOW DATA UNIT HIGH FIRE RATE BTU HR HEATING MINIMUM SCFM COOLING MINIMUM SCFM MAXIMUM SCFM 90 000 1500 115 000 1550 140 000 1600 RECOMMENDED MIN MAX AIRFLOW RANGE DBG072 1800 2700 ...

Page 30: ...40L07203 A BK OR PLM PLF YL TB1 PLM PLF RD RD PK GR RD YL BL GR WH PK BL TB1 W2 Y1 O Y2 S2 R W1 C S1 G DH T1 T2 T3 T4 T5 GY YL WH CC A1 A2 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 RD 4 3 2 1 4 3 2 1 RD 24V COM GV LMT OUT PS IN 3A LMT IN G PS OUT R W COMP IN COMP OUT IIC PLM IIC PK BL PK FS OR BL PK GR YL WH YL YL RD RD PU 12 11 10 9 8 7 6 5 4 3 2 1 D1 L2 L2 L2 L2 L1 L1 COOL FAN HEAT F...

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Page 36: ...X 77484 www daikincomfort com CUSTOMER FEEDBACK We are very interested in all product comments Please fill out the feedback form on one of the following links Daikin Products https daikincomfort com contact us You can also scan the QR code on the right for the product brand you purchased to be directed to the feedback page DAIKIN ...

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