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Section 6:

Lifting a Packaged Rooftop Unit:

WARNING

CRUSH HAZARD

Use proper lifting equipment and

practices. Failure to follow these

instructions can result in death,

injury, or property damage.

The unit must be installed in compliance with all

applicable codes. The qualified installer or service

technician must use best building practices when

installing the unit.

6.1 Moving/Lifting a Packaged Air

Conditioning Unit
6.1.1 Preparing to Move/Lift the Unit:

Prior to moving/lifting the unit, the following steps must

be performed.
1. Remove all packaging or blockers.
2. Remove all packages that were shipped inside

the unit.

3. Inspect the unit to:

• Verify that there is no damage as a result

of shipping.

• Ensure that it is appropriately rated for the utilities

available at the installation site.

• Verify that the lifting lugs are intact, undamaged

and secured to the packaged air conditioning unit.

• Ensure factory-installed hardware is torqued

as specified.

4. Prepare the installation location to be ready to accept

the unit (i.e. roof curb is correct size).

5. Verify that the moving/lifting equipment can handle the

unit’s weight. Verify that forklift forks extend through

the unit frame and that crane has required reach.

6.1.2 Moving the Unit with a Forklift

On smaller A, B, and some C cabinet units, forklift pockets

are provided for lifting and moving. The following must be

considered before using this option.

• Forklift must be rated for the weight of the unit.

• Forklift must have forks long enough to go through

both side pockets and not rest on the underside base-

pans of the unit.

• Care must be taken to not jar the unit, bounce, or

drop the unit during move.

6.1.3 Lifting the Unit with Crane

Lift the unit into place installing appropriate hardware

(supplied by others) into all four lifting lugs holes on small

units, and up to 8 on larger cabinets. Use spreader bars

to ensure that the lifting cables clear the sides of the

unit. See Figures 3 - 5. Test lift to 12" [30.5 cm] to check

stability of rigging before completing the lift. Use caution

as the load may be unbalanced. The unit must be kept

level during the lift to prevent tipping, twisting or falling. If

lifted improperly, product damage may occur.

PR Series Installation, Operation, and Maintenance Manual

Содержание PR 036 Series

Страница 1: ...copy of this manual to the unit owner Owner Keep this manual in a safe place in order to provide service technicians with necessary unit information Packaged Rooftop DOAS Recirculation Unit Installat...

Страница 2: ...This Page is Intentionally Blank...

Страница 3: ...ciple of Operation 30 11 2 Gas Piping and Pressure 30 11 3 Operating and Safety Controls 31 11 4 Wiring 31 11 5 Sequence of Operation 31 SECTION 12 Electric Heater Packages 12 1 Principle of Operation...

Страница 4: ...ing Diagram 10 1 Modulation 36 Figure 15 Example Gas Heater Wiring Diagram Dual Furnace 37 Figure 16 Typical Electric Heater Wiring Diagram 40 Figure 17 Typical Electrical Wiring Diagram 42 Figure 18...

Страница 5: ...ctrical components Thin sheet metal parts have sharp edges To prevent injury the use of work gloves is recommended This equipment must be applied and operated under the general concepts of reasonable...

Страница 6: ...410A Label 4 91070002 Fan Warning Label 5 Quality Inspection Stamp 6 9 21577 Hot Surface Label 7 0527N 0018 Condensate Trap Label 8 0527 0048 Copper Conductors Label 9 S 8238 Additional Parts Label 10...

Страница 7: ...nd ANSI Z83 8 Certifiedto CSA 22 2 No 236 and CSA 2 6 Refrigerant Charge R410A Lbs Kg Volts Phase Low High Circuit 1 25 11 36 460 3 psig 250 490 Circuit 2 24 10 91 kPa 1724 3379 Volts Phase LRA Qty 46...

Страница 8: ...r order Check the unit for any damage that may have occurred during shipment If any damage is found file a claim with the transporting agency Do not refuse shipment Check the installation location to...

Страница 9: ...5 0 Tons 360 30 0 Tons 420 35 0 Tons 480 40 0 Tons 540 45 0 Tons 600 50 0 Tons 660 55 0 Tons 720 60 0 Tons 780 75 0 Tons 840 70 0 Tons 8 Cabinet Size A A Cabinet B B Cabinet C C Cabinet K CL Cabinet G...

Страница 10: ...ngle Digital Scroll Single Circuit 17 5 Tons and Below 4 Single Digital Scroll and Single Scroll Dual Circuit 6 Dual Scroll Dual Circuit Lead VFD 17 5 Tons and Above 22 23 Refrigeration Options 00 Non...

Страница 11: ...0 480 575V 37 5kW 208V M 60kW 240 480 575V 45kW 208V N 70kW 240 480 575V 52 5kW 208V P 80kW 240 480 575V 60kW 208V R 100kW 240 480 575V 75kW 208V S 110kW 240 480 575V 81 4kW 208V T 120kW 240 480 575V...

Страница 12: ...er F ECW 544 2 30 30 Filter G ECW 604 2 30 30 Filter J ECW 606 2 30 30 Filter K ECW 664 2 30 30 Filter L ECW 666 2 30 30 Filter M ECW 706 2 30 30 Filter N ECW 724 2 30 30 Filter P ECW 726 2 30 30 Filt...

Страница 13: ...identifies the presence of combustible materials corrosive chemicals or halogenated hydrocarbons anywhere in the premises Halogenated Hydrocarbons are a family of chemical compounds characterized by t...

Страница 14: ...ay from objects and other units to allow service access and proper operation of the unit TOP VIEW A C B D Cabinet A B C D A 50 48 41 48 B 56 48 41 48 C 62 48 44 48 D 80 48 56 48 E 104 48 56 60 Minimum...

Страница 15: ...Unit shall not be installed with inlet opening facing into the prevailing wind direction in order to help prevent the possibility of moisture entrainment When installed at ground level the unit should...

Страница 16: ...ode 5 5 Parking Structures and Repair Garages Installation in garages must be in accordance with the following codes United States Standard for Parking Structures NFPA 88A latest revision or the Code...

Страница 17: ...e roof curb is correct size 5 Verify that the moving lifting equipment can handle the unit s weight Verify that forklift forks extend through the unit frame and that crane has required reach 6 1 2 Mo...

Страница 18: ...MAY VARY BOTH SIDES FIXED CABLE SEE DETAIL B ADDITIONAL LIFT POINTS WITH EXTENDED CONDENSER USED ONLY TO SUPPORT CONDENSER SECTION ON BOTH SIDES TO PREVENT BENDING AT POINT C DURING LIFTING POINT C H...

Страница 19: ...PLATE LOOP CHAIN THROUGH FRAME AND LIFTING PLATE HOOK SHACKLE WITH 1 1 4 PIN MINIMUM BOTH SIDES DETAIL C SEE DETAIL B ADDITIONAL LIFT POINTS WITH EXTENDED CONDENSER USED ONLY TO SUPPORT CONDENSER SECT...

Страница 20: ...BLE LENGTH TO LIFT POINTS AS NECESSARY BASED ON UNIT CENTER OF GRAVITY SHACKLE WITH 1 1 4 PIN MINIMUM BOTH SIDES FIXED CABLE FIXED SPREADER BAR FORMED GALVANIZED CABINET FRAME DETAIL C LIFTING POINTS...

Страница 21: ...After the curb has been installed the unit may be placed on the curb All PR units are supplied with a closed cell neoprene insulation on the underside of the unit This will seal the top of the curb a...

Страница 22: ...uct inside diameter Hydraulic duct diameter for rectangular ducts in inches Dh 2 H W H W Dh hydraulic diameter H rectangular duct inside height W rectangular duct inside width The unit is not designed...

Страница 23: ...desired subcooling and superheat at operating temperature extremes 9 2 Components and Configurations There are many different refrigeration circuit variations available Depending on the configuration...

Страница 24: ...Page 24 of 84 Figure 7 Circuit Diagram for Standard Compressor with Hot Gas Bypass and No Hot Gas Reheat PRRA Units Only PR Series Installation Operation and Maintenance Manual...

Страница 25: ...Page 25 of 84 Figure 8 Circuit Diagram for Standard Compressor with Hot Gas Bypass and Modulating Hot Gas Reheat PR Series Installation Operation and Maintenance Manual...

Страница 26: ...Page 26 of 84 Figure 9 Circuit Diagram for Digital Compressor with Modulating Hot Gas Reheat PR Series Installation Operation and Maintenance Manual...

Страница 27: ...Page 27 of 84 Figure 10 Circuit Diagram for Standard Compressor with Hot Gas Bypass Modulating Hot Gas Reheat and Subcooling PR Series Installation Operation and Maintenance Manual...

Страница 28: ...Page 28 of 84 Figure 11 Circuit Diagram for Digital Compressor with Modulating Hot Gas Reheat and Subcooling PR Series Installation Operation and Maintenance Manual...

Страница 29: ...s Enthalpy wheel Active air to air heat exchanger portion of the module It is constructed on corrugated synthetic fiber based media impregnated with a non migrating water selective molecular sieve des...

Страница 30: ...ovided by others Gas piping and the manual shut off valve must conform to best building practices and local codes Support piping with hangers and not with the furnace itself Units with multiple furnac...

Страница 31: ...re available having a number of different operating functions Refer to Sequence of Operation and Control Diagnostic data sheets provided in the instruction package located in the control section when...

Страница 32: ...terminal PSW is not powered Combustion blower is then energized at high speed When the airflow switch closes a 15 second pre purge period begins 3 At end of pre purge period the spark commences and th...

Страница 33: ...e SC30 will output 12 to 13VDC to the modulating control valve during the timing duration 90 seconds of timer relay control regardless of the analog input signal to SC30 terminals 7 8 8 When flame is...

Страница 34: ...The SC30 will output 12 to 13VDC to the modulating control valve during the timing duration 90 seconds of timer relay control regardless of the analog input signal to SC30 terminals 7 8 8 When flame i...

Страница 35: ...15 EGL T1 240V 1 CLASS 2 50 60 HZ 230 VOLT 1 PHASE 60 HERTZ POWER SUPPLY L2 S1 SRTN F L L 240T6T07 Controller WHT BLK BLK BLK L1 N L1 IND IGNITION CONTROL Modulating Furnace Control Panel WIRE ALL SHI...

Страница 36: ...OR SPARK IGNITER 5 BLU GRY Series 5 Ignition Control ORG BLK Com BLU GRY MP HI 4 YEL BLU GRY YEL YEL WIRE TO EGB 24VAC Alarm Indicator T5 T6 SC30 SM2AN T15 T14 T3 T4 Maxitrol SC30 SM Mod Valve RED BLK...

Страница 37: ...D NO 1 104 TB2 TERMINAL BOARD NO 2 105 VICONICS VICONICS STEP CONTROLLER R850V4 DUAL GAS FURNACE CONTROL 0 10VDC MOD 2 STAGE 24V CONTROL DWN______ CKD______ 11 01 13 WIRING DIAGRAM 0962I 4848 DS LWF Y...

Страница 38: ...ring and connections including electrical grounding must comply with United States Refer to National Electric Code NFPA 70 latest revision Canada Refer to Canadian Electric Code CSA C22 1 Part 1 lates...

Страница 39: ...00 15 100 240 2300 8000 15 100 300 285 10000 20 150 360 3450 12000 25 150 420 4025 14000 30 150 480 4600 8000 30 150 540 5175 9000 35 150 600 5750 10000 40 150 660 6325 11000 45 150 720 OA 6900 12000...

Страница 40: ...4 BR SEE ELECTRIC HEATER DRAWING UO 6 Gnd FROM IOPRO 812U R BK R BK 4 TB1 W W Set pot to 0 5V Set pot to 6V Set pot to 7 5V Set pot to 9 5V Set R2 Pot To 6V Set R2 Pot To 7 5V Set R4 Pot to 9 5V TB1 R...

Страница 41: ...13 4 Wiring Connections Power wiring should be connected to the main power terminal block located within the unit main control section Power wiring connections on units with factory mounted disconnec...

Страница 42: ...V TRANSFORMER FOR CORRECT WIRING CONNECTIONS ON UNITS RATED 575V CCH2 G 14 L3 T3 L2 T2 L1 T1 L3 L2 L1 T3 T2 T1 CM2 T3 T2 T1 R 14 BK 14 MSP CC2 CC2 CC2 A1 OF1VFD OFM1 G 14 MSP OF1VFD BL 12 BK 12 L3 T3...

Страница 43: ...1 A2 A1 CONTINUED ON SHEET 3 1 2 3 4 10 Y 11 12 13 14 9 HP1 R R HPR1 14 13 BL C Y 351 HP2 R R HPR2 14 13 BL C O 345 TB1 HP1 TB1 HP2 Y O C BL TB1 Enable Unloader 1 U1 PR T3 96 VA CLASS 2 50 60HZ 24V TB...

Страница 44: ...TB1 TB1 363 TB1 TB1 TB1 TB1 R Enable Outdoor Air Damper Actuator OD PR BL CONTINUED ON SHEET 2 BL Enable 1st Stage Heating Enable 2nd Stage Heating W GY W1 W2 See separate 2 Stage Elec Heater Drawing...

Страница 45: ...52 253 254 255 256 257 258 259 260 PDB1 L1 L2 L3 USE USE ELECTRIC HEATER VENDORS RECOMMENDED WIRE SIZE ELECTRIC HEATER LINE VOLTAGE TERMINALS FUSED INTERNALY WIRE ALL SHIELD WIRES TO CLOSEST GND TERMI...

Страница 46: ...Comm set up error 4 System error 8 Formatting Blinking Dot Run 8 DO NOT APPLY 24V AC TO UNIVERSAL OUTPUTS External 24VDC relay coil only 24V AC R TB A GND GND 24VDC USE SHIELDED WIRE FOR ALL ANOLOG IN...

Страница 47: ...G FIELD WIRING TERMINAL BOARD SYMBOL LEGEND WIRE ALL SHIELD WIRES TO CLOSEST TB A or TB D GND TERMINAL AT THE CONTROL PANEL 4 Power on Xnet Baud Gnd 24VAC I O FLEX EX8160 EXPANDER 0843P 0548 R Gnd 16...

Страница 48: ...e FrequencyDrive no 1 and 2 128 HARM Sheet 4 HeatingAnalog Relay Module 129 MDC1 214 Modulating Discharge Line Controller no 1 129 MDC1 MDC2 214 Modulating Discharge Line Controller no 1 and 2 130 MRC...

Страница 49: ...Nominal Voltage Selection Pay attention to 1 and 3 at the end of the voltages Over Undervoltage Percentage Selection Trip Time Delay Re Start Time Delay Phase Imbalance Percentage Selection History w...

Страница 50: ...600 3 Over Undervolage Percentage Screen Vertical Format 7 8 9 10 11 12 13 14 15 Trip Time Delay Screen Vertical Format 2S 3S 4S 5S 6S 27S 8S 9S 10S Re Start Time Delay Screen Vertical Format Manual 2...

Страница 51: ...tem BMS using one of four compatible protocols BACnet LonWorks with the optional Echelon card Modbus N2 The point mapping to these protocols can be pre set so that the protocol and baud rates desired...

Страница 52: ...ch and status indication Exhaust Fan Interlock Switch This option provides an interlock between an exhaust fan and the unit Firestat This option de energizes the unit when the stat mounted in the retu...

Страница 53: ...e governmental authorities pertaining to the installation service operation and labeling of the equipment To help facilitate optimum performance and safety Addison recommends that a qualified contract...

Страница 54: ...6 Check that all nuts bolts and setscrews are tightened 7 Check that the wheel and drive assembly turns freely without rubbing 8 Check that drives are tightened properly aligned and tensioned 9 Bump t...

Страница 55: ...cooling mode Table 6 Hot Water Heating Coil Flow Rate and Pressure Drop Model Cabinet Nominal GPM Water Only Pressure Drop FT H2O Connection Size Sweat in 096 120 B 50 0 4 31 1 5 8 150 210 C 70 0 6 0...

Страница 56: ...1 9 6 56 6 14 106 0 213 8 137 2 346 7 41 0 8 0 31 0 10 8 59 5 13 108 0 220 0 141 7 356 5 42 0 10 0 32 8 11 9 62 4 12 110 0 226 4 146 4 366 4 43 0 12 0 34 8 13 1 65 5 11 112 0 232 8 151 1 376 6 44 0 1...

Страница 57: ...of the items on the unit pre start checklist are properly installed and operating Upon completion a copy of the form should be returned fieldservice addison hvac com Installation Code and Quarterly I...

Страница 58: ...ing is connected to the unit Field installed parts if applicable that shipped lose are installed Notes 1 Start up technician will need to fill out the Start Up Form with date of start up and all infor...

Страница 59: ...cian The technician is responsible for assuring that all of the items on the unit start up checklist are properly installed and operating Upon completion a copy of the form should be returned to Addis...

Страница 60: ...uring that all of the items on the unit start up checklist are properly installed and operating Upon completion a copy of the form should be returned fieldservice addison hvac com Installation Code an...

Страница 61: ...C Outdoor Fan Temp F or C db db wb wb db db wb wb UNIT NAMEPLATE INFORMATION Unit Electrical Volts Supply Voltage L1 L2 Hertz Phase L2 L3 L1 L3 AC supply fans need to run at 50Hz minimum EC supply fan...

Страница 62: ...l Number Serial Number Serial Number Serial Number Condenser Fan Motor Make Voltage HP Model Quantity AMPS Energy Conservation Wheel Motor Make Voltage Model HP AMPS Unit Air Filters Type Size EC Whee...

Страница 63: ...p Discharge Temp Liquid Temp To Calculate Superheat Convert suction pressure to saturation temperature then subtract the suction line temperature L1 L1 L2 L2 L3 L3 Saturation Temp Saturation Temp To C...

Страница 64: ...enser Fan 6 AMPS L1 L1 L2 L2 L3 L3 L1 L1 L2 L2 L3 L3 L1 L1 L2 L2 L3 L3 Hot Gas Bypass Hot Gas Reheat Hot Gas Bypass Hot Gas Reheat Unloading Switch Settings Cut In Cut Out Condenser Air Temperature In...

Страница 65: ...ING CHECK Heating Type Heat Stages Qty Modulating Type Electric Heat AMPS Water Source Coil Hot Water Coil Heating Steam Coil Heating Entering Air Temperature EAT Supply Air Temperature SAT Gas Gas Ty...

Страница 66: ...ols and equipment Failure to follow these instructions can result in death injury or property damage Prior to any maintenance or service to the unit shut off lockout and tagout the electrical disconne...

Страница 67: ...Check for dirt and bent fins Clean by brushing off with broom Compressors Compressors are factory supplied with a charge of oil POE for Copeland and PVE for Bitzer and should not require additional m...

Страница 68: ...e required to disconnect electric from equipment Equipment must always be properly grounded SEVERE INJURY HAZARD Do not enter equipment while in operation Equipment may start automatically Do not oper...

Страница 69: ...0 x 25 x 2 2 PRRA 120 150 16 x 25 x 2 2 PROA 360 420 48 x 48 16 x 20 x 2 6 PRRA 180 210 240 300 C Cabinet 16 x 16 x 2 3 PROA 480 540 600 660 64 x 65 20 x 25 x 2 6 PRRA 300 D Cabinet 360 420 25 x 25 x...

Страница 70: ...structions can result in death electrical shock or injury FIRE HAZARD WARNING EXPLOSION HAZARD CARBON MONOXIDE HAZARD Section 19 Troubleshooting The following tables outline typical unit troubleshooti...

Страница 71: ...Obstruction in intake Check dampers for proper operation Clear all intake passages of obstructions Fan wheel loose on shaft Reposition and tighten Access doors and panels not closed Close Excessive d...

Страница 72: ...ion in liquid line Check head pressure check and adjust TXV if not functioning properly check pressure drop across filter drier Defective low pressure switch Check calibration of switch Compressor Sta...

Страница 73: ...ssor and fan motor Improper refrigerant charge Check subcooling Bearings or pistons too tight Check for low oil level Allow time for compressor to cool Check dome temperature of compressor Noisy Compr...

Страница 74: ...ambient head pressure control Suction Pressure Too Low Refrigerant undercharge Check pressures and subcooling Blower running backwards Interchange any two wires connected to motor Defective or improp...

Страница 75: ...uction and liquid line Check for restrictions in refrigerant circuit Control contacts stuck Check thermostat shorts in wiring slave relay compressor contactor Supply Air Temperature Too High Refrigera...

Страница 76: ...diagrams Dirty or blocked condenser coil Clean condenser coil Fan Motor Is Cycling On Thermal Overload Dirty or blocked condenser coil Clean condenser coil Wrong motor for fan speed control applicatio...

Страница 77: ...out Replace coil Wrong type of distributor for hot gas bypass to the evaporator Install proper venture flo type distributor for low pressure drop Regulator Fails To Close Dirt under seat of regulator...

Страница 78: ...engagement with sheaves Improper motor operation Check drive motor and drive motor wiring for proper voltage Improper VFD operation Check VFD programming Improper VFD sensor operation Check VFD input...

Страница 79: ...control by removing 24V power to ignition control terminal 24VAC Dirty burners Clean burners to ensure proper flame carryover Faulty spark igniter Check if connecting lead or spark igniter are damage...

Страница 80: ...ents replace as necessary Heat anticipator current draw too low causing short cycling Check current draw Heater Cycling on Automatic Limit Improper airflow Check for obstructions to return air loose o...

Страница 81: ...half of Buyer xi failure of parts components services or hook ups not supplied by Seller xii incompatibility with items not supplied by Seller xiii a deliverable not properly installed by a qualified...

Страница 82: ...gence strict liability breach of warranty or otherwise is limited to Seller at its discretion replacing or repairing the defective deliverable providing replacement parts or issuing Buyer a credit equ...

Страница 83: ...vision Guide Date Page Description By 19 Jun 20 All Combined all previous IOMs into new format DS 19 Jun 20 All Multiple updates additions and clarifications DS PR Series Installation Operation and Ma...

Страница 84: ...ons For Safer Healthier and More Productive Indoor Environments 7050 Overland Road Orlando FL 32810 Tel 407 292 4400 Fax 407 290 1329 www addison hvac com DEDICATED OUTDOORAIR SPECIALISTS Part Number...

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