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Related Manuals for York CURBPAK CP23
Summary of Contents for York CURBPAK CP23
- Page 1 CURBPAK AIR HANDLING UNITS INSTALLATION, OPERATION & MAINTENANCE New Release Form 100.10-NOM2 (301) MODELS CP65 THROUGH CP1030 00466vip ROOF MOUNTED SINGLE ZONE...
- Page 2 NOT be installed inside the micro panel. NO external wiring is allowed to be run through the micro panel. All wiring must be in accordance with YORK’s published specifications and must be performed ONLY by qualified YORK personnel. YORK will not be responsible for damages/problems resulting from improper connections to the controls or application of improper control signals.
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Page 3: Table Of Contents
Variable Air Volume Applications ......32 Inclined Manometer ..........60 Factory Packaged Controls and Magnehelic Pressure Gauge ........60 Motor Control Center ..........33 “U” Tube Manometer ..........60 Duct Pressures and How They Work ..... 61 Troubleshooting Chart ..........63 YORK INTERNATIONAL... - Page 4 34 Wiring Diagram 2 Speed - 2 Winding ....30 2 Segment Availability ..........10 35 Typical Electric Heater .......... 31 3 Service Clearance ..........11 36 YORK Air-Modulator w/Options Panel ....32 4 Curb Assembly ............. 12 37 Motor Starter Panel ..........32 5 Typical Curb Installation Assembled 38 Typical CurbPak w/Factory-Packaged Controls or and Cross Sections ..........
- Page 5 12 Filter Sizes and Quantities – Flat, Rigid, Bag and HEPA Filters ................. 52 13 Filter Sizes and Quantities – Angle Filters ........................53 14 Filter Sizes and Quantities – 1 Inch Tray Carbon Filters .................... 54 15 Universal Frame Latch Selection ..........................56 YORK INTERNATIONAL...
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Page 6: Introduction
This manual has been prepared as a guide for installing, operating and maintaining CurbPak Air Handling Units. YORK has produced a quality product that is adapt- able to almost any comfort or industrial application. However, proper installation, operation and maintenance... -
Page 7: Receiving
Heavy gauge galvanized steel is used on the exterior and interior of the unit. Access doors are provided for The YORK CurbPak is ARI certified and supplied in accessibility to the various sections. These doors are any one of 15 model sizes. -
Page 8: Storage
(6) months from date of shipment. If long- term storage is anticipated, contact the YORK Sales Check for adequate ventilation so that fumes will not Office at time of order entry for the proper in-... -
Page 9: Segment Identification
DWDI FC (Forward Curved) CP24 CP85 CP86 CP460 CP25 CP105 DWDI AF (Airfoil) CP87 CP530 CP43 CP125 UNIT SIZE SWSI AF (Airfoil) CP44 CP170 CP89 CP680 SWSI BI (Backward Inclined) CP45 CP215 CP910 CP860 CP912 CP1030 CP46 CP250 CP47 CP305 1030 YORK INTERNATIONAL... -
Page 10: Segment Availability
Introduction SEGMENT AVAILABILITY LD06684 FIG. 2 – (SEE TABLE 1) YORK INTERNATIONAL... -
Page 11: Installation
ROOF PITCH LIMITATIONS (1/2 Inch/Foot) Although level installations are preferred, YORK units can be installed in any direction on a roof that is pitched up to 1/2 of an inch per foot. -
Page 12: Roof Curb Installation
3. Installation Site: Area of roof on which curb is to mating channel surface. be installed must be level (see Roof Pitch limita- tions) and structurally adequate to support the com- bined weight of curb and unit. LD06329 FIG. 4 – CURB ASSEMBLY YORK INTERNATIONAL... -
Page 13: Roof Curb
FORM 100.10-NOM2 ROOF CURB NOTES: 1. Curb, Nailer and Gasket only, furnished by YORK. [TYPICAL DESIGN] All other parts furnished “By Others”. 2. Roof Curb shipped in pieces for field assembly. 3. Roof Curb must be installed square and level. -
Page 14: Rigging
Contact your After the curb is set in place, be sure YORK Sales Office if you have any questions regard- proper consideration has been given ing unit weights. -
Page 15: Installing Unit On Curb
1 . Loosen tie down bolts and/or remove the shipping blocks from the blower/motor frame. 2. Check blower/motor frame for correct height and LD06493 that the frame is level. FIG. 7 – SPLICE KIT FOR SHIPPING SPLIT ASSEMBLY YORK INTERNATIONAL... -
Page 16: Air System
Finally, tighten nuts. It is the responsibility of the installer to insure vibration free operation, if isolation is not supplied by YORK. AIR SYSTEM 00486VIP All duct work should be designed and installed accord- FIG. -
Page 17: Sound And Vibration Transmission
In applications LD06335 where sound and vibration transmissions may be objec- FIG. 15 – RECOMMENDED DISCHARGE DUCT tionable, good acoustical engineering practices must be ARRANGEMENT WHEN TURNS ARE incorporated in the system design. REQUIRED YORK INTERNATIONAL... -
Page 18: Front Discharge Unit Installation
The piping arrangements must effects. Stratifications of return air, especially where provide for a balanced flow in multiple coil installations. below freezing outside air enters, must be avoided to (See Figure 20 showing factory coil connections.) prevent coil freeze-up. YORK INTERNATIONAL... -
Page 19: Pipe Chase Enclosure
PIPE CHASE MOUNTING BRKT PIPE CHASE BASE BOLTS FOR FACTORY-MOUNTED ON UNIT BASE PIPE CHASE MOUNTING BRKT ATTACHING FACTORY-MOUNTED ON UNIT BASE PIPE CHASE BRKT LD06495 FIG. 19 – PIPE CHASE ENCLOSURE ASSEMBLY FOR UNITS WITH PIPE CHASE SHIPPED LOOSE YORK INTERNATIONAL... -
Page 20: Pipe Chase Installation
Other means of protection such as various electro-me- the remaining coil connection. chanical switches and the full constant flow of water can be used; however, YORK will not be responsible Positive coil freeze protection must be used in installa- for water coils damaged by freezing. -
Page 21: Heating Coils
When using ethylene glycol or other each distributor. antifreeze solutions, consult the YORK Sales Engineer for the required Thermostatic expansion valves are to be equipped with derating of each coil. It will be neces- external equalizer tubes that are field connected to the sary to give the percentage of ethyl- suction line. -
Page 22: Air Velocity Through Coils
Installation The venturi distributor furnished with YORK DX coils is suitable for field application of a hot gas bypass valve. The connection may be made through a tee installed in the field between the expansion valve and distributor. The system balance point and control adjustments must assure compressor cooling and avoid excessive com- pressor cycling. -
Page 23: Belts And Sheaves
Due to the wide variety of filters it is not possible to cover all of them in this manual. However, when these filters are supplied, installation instructions are shipped LD06346 with each type. FIG. 26 – SHEAVE ALIGNMENT YORK INTERNATIONAL... -
Page 24: Door Handle Adjustment
Dampers are intended for use with individual controllers or actuators. No interconnecting linkage to air dampers is provided as standard equipment by YORK. All damper linkage schemes are to be provided by others when actuators are not fac- tory installed. -
Page 25: Variable Inlet Vane Installed In Inlet Cone Airfoil Fan
The travel of the actuator crank arm should be ad- justed so that it is somewhat less than the travel of FIG. 28 – VARIABLE INLET VANE INSTALLED IN the crank arm of the jack shaft. The Pneumatic or INLET CONE AIRFOIL FAN YORK INTERNATIONAL... -
Page 26: Typical Curbpak Operation In Hvac System
ELECTRICAL INFORMATION All wiring must conform to the Na- tional Electrical Code (N.E.C.) and possible local codes that may be in ad- dition to N.E.C. LD06349 FIG. 30 – TORQUE REQUIREMENTS TO OPERATE VARIABLE INLET VAN (VIV) YORK INTERNATIONAL... -
Page 27: Typical Motor Data / Nameplate
“set” and should be re-tightened. The danger of a poor connection can cause overheating and component failure through inadequate current handling capacity. This danger cannot be over- emphasized. YORK INTERNATIONAL... -
Page 28: Motor Control Configuration Diagram
Installation MOTOR CONTROL CONFIGURATION DIAGRAM LD03621 FIG. 32 – MOTOR CONTROL CONFIGURATION DIAGRAM YORK INTERNATIONAL... -
Page 29: Wiring Diagram Starter Panel
460V 120V 115V (OPTIONAL SINGLE-POINT LIGHT CIRCUIT) NOTES: 1. Connect remote control signal for starter fan at Terminals 1 & 2. Dry control contact rated at min. 2A / 115V. (NOTE 6) 2. Connect remote control signal for (optional) return fan at Terminals 3 & 4. Dry control contact rated at min. 2A / 115V. -
Page 30: Wiring Diagram 2 Speed - 2 Winding Starter Panel
480V 120V (OPTIONAL SINGLE-POINT LIGHT CIRCUIT) NOTES: 1. Connect remote control signal for slow speed at Terminals 1 & 2. Dry control contact rated at min. 2A / 115V. 2. Connect remote control signal for fast speed at Terminals 3 & 4. Dry control contact rated at min. 2A / 115V. 3. -
Page 31: Typical Electric Heater Wiring Diagram
AWG COPPER CONDUC- TORS ONLY. 4. THIS HEATER REQUIRES 1 SUPPLY CIRCUIT OF 5. CONTROL CIRCUIT WIRING TO BE N.E.C. CLASS 1. POWER: (FACTORY WIRED) POWER: (FIELD WIRED) CONTROL (FACTORY WIRED) CONTROL (FIELD WIRED) FIG. 35 – TYPICAL ELECTRIC HEATER YORK INTERNATIONAL... -
Page 32: Factory Installed Controls And Electrical Options
YORK has the capability to furnish units with factory installed single point power motor starter panels, discon- nects, marine lights, sensors, actuators or complete unit Variable Inlet Vane operation will af- automation. -
Page 33: Factory Packaged Controls And Motor Control Center
SENSOR FIG. 38 – TYPICAL CURBPAK W/FACTORY-PACKAGED CONTROLS OR SINGLE POINT MOTOR CONTROL CENTER FACTORY PACKAGED CONTROLS AND MOTOR The YORK Factory-mounted End Devices Package CONTROL CENTER (SEE FIGURE 38) consists of end devices that are pre-engineered, fac- tory installed and tested: Factory Package Controls (FPC) and Motor Starter •... -
Page 34: Operation
Check inside of the unit and duct for centrifugal fans when viewing the work to make sure that no loose nuts, bolts, trash, drive side (see AMCA Standard 2406). sheet metal parts, etc., have been left which may YORK INTERNATIONAL... -
Page 35: Temperature Limitations
Motors with Class F Insulation - 140°F I.W.G. Power Wiring - 140°F B. All access doors are double wall. Doors open with Controls & Control Wiring - 140°F full height hinges, door latches and seals. Prefilters - 150°F YORK INTERNATIONAL... -
Page 36: Safety Check - "Warning
Operation Some units may require special con- An incorrectly aligned and tensioned struction considerations. YORK re- belt can substantially shorten belt life, serves the right to modify construction or overload blower and motor bearings of any units as deemed necessary. -
Page 37: Forward Curved/Airfoil Fan And Motor Data
FC 27 X 27 (L) 326T 8.10 28 X 28 326T 8.10 324T 8.67 326T 10.91 28 X 28 326T 8.67 FC 30 X 30 (L) 364T 9.40 32 X 32 364T 10.91 326T 8.67 364T 10.91 Continued on next page. YORK INTERNATIONAL... -
Page 38: Fe-Fc Return Fan Sizes
(sq. ft) 22 X 22 324T 5.50 25 X 25 326T 6.90 28 X 28 326T 8.67 28 X 28 326T 8.67 28 X 28 326T 8.67 32 X 32 364T 10.91 1030 32 X 32 364T 10.91 YORK INTERNATIONAL... -
Page 39: Plenum Fan And Motor Data - Fp
1033 404T 365T 1033 1030 404T 404T NOTE: 1. Units with SWSI fans are not within the scope of ARI Certification (Standard 430). 2. RPM based on Class II fans 3. All plenum fans will be Class II YORK INTERNATIONAL... -
Page 40: Plenum Return Fan And Motor Data - Fp(V) Economizer
256T 1071 256T 286T 286T 1030 324T NOTE: 1. Units with SWSI fans are not within the scope of ARI Certification (Standard 430). 2. RPM based on Class II fans 3. All plenum fans will be Class II YORK INTERNATIONAL... -
Page 41: Maintenance
YORK will not be liable for costs incurred to return the unit to satisfactory operation. Relubrication is generally accompanied by a temporary rise in operating temperature. -
Page 42: Fan Bearing - Lubrication Intervals
<-30°C** Special high temperature grease is recommended (Darmex 707). Note that Darmex 707 grease does not mix with other grease types. Thoroughly clean bearing and cavity before adding grease. ** Special low temperature grease is recommended (Airoshell 7). YORK INTERNATIONAL... -
Page 43: Grease Fittings
2.12 (60) 13.4 OVER 5000 TO 5800 INCL. (355) NU328 4.70 (130) 30.0 SPINDLE MOTORS 76 FRAME 6207 0.22 (6.1) 0.44 77 FRAME 6210 0.32 (9.0) 0.64 80 FRAME 6213 0.49 (14.0) 0.99 Weight in grams = .005 DB YORK INTERNATIONAL... -
Page 44: Motor Lubrication Procedure
Use the procedure outlined under the heading the discharge pipe will be progressively cooler begin- “Belts” for adjusting the tension. (See Figures 43 & 44) ning at the trap. Control vanes should be inspected at least annually to verify that they are working properly. YORK INTERNATIONAL... -
Page 45: Belts
Squealing belts during starting is ping of the motor overloads and/or mo- caused by slipping belts that are not tor failure and/or shaft failure. tensioned properly. BELT REPLACEMENT Always replace belts as a set. YORK INTERNATIONAL... -
Page 46: Removal & Installation Of Components
Be sure that key does not get bent by allowing it to ride up the key way edge. The slightest bend will prevent quick assembly. Should this occur, replace the key stock. YORK INTERNATIONAL... -
Page 47: Airfoil Inlet Vane And Cone Assembly
The force required for the 1. Check the shaft - it should be straight, free of burrs self alignment of the bearings used in YORK manufac- and full size. Be sure the bearing is not seated on a tured units has been specified and is closely monitored worn section of shafting. -
Page 48: Bearing Locking Devices
The collar is then locked in place with the set screw provided in LD06357 the collar. FIG. 48 – BEARING WITH ECCENTRIC CAM YORK INTERNATIONAL... -
Page 49: Bearing Installation
3/16 228 - 296 19.0 - 24.7 7/16 7/32 348 - 452 29.0 - 37.7 504 - 655 42.0 - 54.6 5/16 1104 - 1435 92.0 - 119.6 LD06358 FIG. 50 – BEARING INSTALLATION – ECCENTRIC LOCKING COLLAR YORK INTERNATIONAL... -
Page 50: Coils
Access to the coils is obtained by removing erant is within the coil. Dangerous pressures and gases can result. BEARING CAP GREASE FITTING OUTER RACE LOCK WASHER BEARINGS TAPERED SLEEVE NUTS LD06366 SEAL FIG. 51 – SPLIT BEARING YORK INTERNATIONAL... -
Page 51: Condensate Pan And Drain Line
The condensate drain trap may also be drained. dampers go to the full closed position. The water LD06361 FIG. 53 – DETERMINING LEFT - OR RIGHT-HAND COIL CONNECTION / DRIVE SIDE YORK INTERNATIONAL... -
Page 52: Filter Sizes And Quantity - Flat, Rigid, Bag And Hepa Filter
2. Filters are side-loaded, except when in blow through arrangement they are either front or rear loaded. HEPA will always be front loaded. 3. The number in ( ) defines how many rows high with that particular filter pattern. LD06264 FIG. 54 – FILTERS FOR FF, RF, BF & HF SEGMENTS YORK INTERNATIONAL... -
Page 53: Filter Sizes And Quantity - Angle Filters
NOTES: 1. See the filter configurations below for specific filter arrangements. 2. Filters are side-loaded. 3. The number in ( ) defines how many rows high with that particular filter pattern. LD06265 FIG. 55 – FILTERS FOR AF SEGMENT YORK INTERNATIONAL... -
Page 54: Filter Sizes And Quantity - Tray Carbon Filters
3. Avoid placing carbon filters in high humidity areas. 2. Filters are side-loaded. 4. Optional 4" flat filters are available upstream. 5. The number in ( ) defines how many rows high with that particular filter pattern. LD06266 FIG. 56 – FILTERS FOR CF SEGMENT YORK INTERNATIONAL... -
Page 55: Gasketed, Modular Filter Holding Frames And Latches
“L” Series latches. “L” Series latches do not connect to, or disturb, the flat seal- Vertical stiffeners are furnished with larger frame banks ing flange and gasket surface. to ensure rigidity under normal operating conditions. YORK INTERNATIONAL... -
Page 56: Universal Frame Latch Selection
20" 20" 10" 10" 20" 25" 10" 12-1/2" 16" 20" 8" 10" 16" 25" 8" 12-1/2" 24" 24" 12" 12" 12" 24" — 12" 20" 24" 10" 12" LD06610 FIG. 57A – UNIVERSAL HOLDING FRAMES & LATCHES SPECIFICATIONS YORK INTERNATIONAL... -
Page 57: Welded Bevel Seal Frame
Single filter clamps are used around the perimeter of the LD06646 frame bank. Double clamps are used along main runners FIG. 59 – WELDED BEVEL SEAL FILTER INSTALLATION to secure a filter on either side of the T-Section. YORK INTERNATIONAL... -
Page 58: Bevel Seal Extrusion Sections
The overall height or style. width of the assembled bank will be 2" greater than indi- cated above; i.e., 6 x 6 bank would be 12'-6-1/2" x 12'-8-1/2". FIG. 59A – WELDED BEVEL SEAL FRAME AND CLIPS YORK INTERNATIONAL... -
Page 59: Service
To read velocity pressure, the total pressure tap at the end of the pitot tube is connected to one leg of a ma- LD06363 nometer and the static pressure tap at the other leg of the manometer. (See Figure 63) FIG. 62 – PITOT TUBE YORK INTERNATIONAL... -
Page 60: Inclined Manometer
LD06364 If a U-tube is filled to the halfway point with water and air pressure is exerted on one of the columns, the fluid FIG. 65 – “U” TUBE MANOMETERS YORK INTERNATIONAL... -
Page 61: Duct Pressures And How They Work
For use on all YORK air units, the ma- above atmospheric pressure will be positive but when nometers should cover at least a 26 inch range. (See below atmospheric pressure it will be negative. - Page 62 Hence, as the velocity pressure decreases, the static When contacting YORK for assistance the following pressure increases and vice versa, because the static information will be required: pressure is always the difference between total pres- 1.
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Page 63: Troubleshooting Chart
Fan wheel not centered in inlet cones. Realign fan to center of inlet cones. Fan speed too slow. Check for proper fan RPM. Actual duct system has more resistance to flow than originally designed. Enlarge ductwork or remove restrictions to match design requirements. YORK INTERNATIONAL... - Page 64 Correct the voltage balance of the power supply. If the unbal- anced current draw pattern follows the motor leads the problem is a defective motor. Replace motor. YORK INTERNATIONAL...
- Page 65 High whine. Internal fit of bearing too tight. Replace bearing and check it. Low rumble. Internal fit of bearing too loose. Replace bearing, check fit. Rough clatter. Bearing destroyed. Replace bearing. Avoid mechanical damage, excessive greasing, wrong grease, solid contaminants and water running into motor. YORK INTERNATIONAL...
- Page 66 If unit has Outside Air Opening – Be sure air flow does not exceed the design for Outside Air per the design data sheet in the submittal. YORK INTERNATIONAL...
- Page 67 Verify external safety circuit is wired in at correct terminals and it has continuity. WILL NOT OPERATE Verify control signal is wired in (or piped in if pneumatic) at correct termi- nals and is of correct type. Refer to Installation, Operation, Programming, Troubleshooting and Technical support information packed inside AirMod. YORK INTERNATIONAL...
- Page 68 Proud Sponsor of the 2002 U.S. Olympic Team 36USC380 P.O. Box 1592, York, Pennsylvania USA 17405-1592 Tele. 800-861-1001 Subject to change without notice. Printed in USA Copyright © by York International Corporation 2001 www.york.com ALL RIGHTS RESERVED Form 100.10-NOM2 (301)
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