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Table of Contents
Related Manuals for York 41HP AHR18B
Summary of Contents for York 41HP AHR18B
- Page 2 661693-UIM-E-1212 1. Install this air handler only in a location and position as specified in SECTION III of these instructions. 8. Installing and servicing heating/cooling equipment can be hazard- 2. Always install the air handler to operate within the air handler’s ous due to the electrical components.
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Page 3: Section Iii: Unit Installation
661693-UIM-E-1212 13” Blower Compartment Top Outlet Dimensions Circuit Breaker Panel Refrigerant Drain Connections Connections for Upflow Applications 7-11/32” 18-9/32” Bottom Inlet 1-1/2” Dimensions Drain Pan Connections Filter for Horizontal Applications Access FIGURE 2: Dimensions & Duct Connection Dimensions TABLE 1: Dimensions Refrigerant Dimensions Wiring Knockouts... - Page 4 661693-UIM-E-1212 HORIZONTAL LEFT OR RIGHT UPFLOW Use an appropriate tool to pry out water deflector with two or three s- clips from the vertical drain pan, see Figure 4. Relocate the deflector HEAT with s-clips on the Horizontal Drain Pan lined up to the coil support bracket.
- Page 5 661693-UIM-E-1212 DUCT CONNECTIONS Equipment should never be operated without filters. Use 1/2" screws to connect ductwork to bottom of unit. Longer screws HORIZONTAL SUSPENSION will pierce the drain pan and cause leakage. If pilot holes are drilled, drill only though field duct and unit bottom flange. For suspension of these units in horizontal applications, it is recom- mended to use angle steel support brackets with threaded rods, sup- Air supply and return may be handled in one of several ways best...
- Page 6 661693-UIM-E-1212 Please refer to Outdoor Unit Tech Guide to verify which TXV is installed 3. Wrap a water soaked rag around the coil connection tubes inside in this coil and that this is a valid system match for the AC or HP unit the cabinet to avoid damaging the TXV bulb.
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Page 7: Section Iv: Electric Heater Installation
661693-UIM-E-1212 SECTION IV: ELECTRIC HEATER SECTION V: LINE POWER CONNECTIONS INSTALLATION Power may be brought into the unit through the supply air end of the If the air handler requires electric heat, install the electric heat kit unit (top when unit is vertical) or the left side panel. Use the hole appro- according to the installation instructions included with the kit. -
Page 8: Section Vi: Low Voltage Control Connections
661693-UIM-E-1212 SECTION VI: LOW VOLTAGE CONTROL SECTION VII: BLOWER SPEED CONNECTIONS CONNECTIONS The 24 volt power supply is provided by an internally wired low voltage Adjust blower motor speed to provide airflow within the minimum and transformer which is standard on all models, However, if the unit is con- maximum limits approved for evaporator coil, electric heat and outdoor nected to a 208 volt power supply, the low voltage transformer must be unit. - Page 9 661693-UIM-E-1212 TABLE 4: ELECTRICAL HEAT: MINIMUM FAN SPEED Air Handler Models Nom. kW Heater Kit Models @240V AHR18B AHR24B AHR30B AHR36B AHR42C AHR48D AHR60D 6HK(0,1)6500206 2.4kW 6HK(0,1)6500506 4.8kW 6HK(0,1)6500806 7.7kW 6HK(0,1)6501006 9.6kW High High 6HK06501025 6HK(1,2)6501306 12.5kW High High High High 6HK(1,2)6501506 14.4kW...
- Page 10 661693-UIM-E-1212 TABLE 6: ELECTRICAL DATA FOR SINGLE SOURCE POWER SUPPLY: 208/230-1-60 (Continued) Field Wiring Heater Heater Air Handler Models Amps Min. Circuit Ampacity MOP. Min Wire Size (AWG) Models @240V 208V 230V 208V 230V 208V 230V 6HK(0,1)6500206 10.0 14.6 16.3 6HK(0,1)6500506 20.0 25.4...
- Page 11 661693-UIM-E-1212 TABLE 8: ELECTRICAL DATA FOR SINGLE SOURCE POWER SUPPLY - 208/230-3-60 Field Wiring Heater Heater Air Handler Models Amps Min. Circuit Ampacity Min. Wire Size (AWG) Models @ 240V 208V 230V 208V 230V 208V 230V 6HK06501025 23.1 26.8 30.7 AHR24B 6HK06501525 34.6...
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Page 12: Section Ix: Maintenance
661693-UIM-E-1212 TABLE 10: AIR FLOW DATA (CFM) External Static Pressure (in. wc.) Blower Models Motor Speed 0.10 0.20 0.30 0.40 0.50 0.60 0.70 High 1890 1830 1755 1650 1565 1450 1285 AHR48D3XH21 Medium 1515 1480 1450 1380 1295 1115 1170 1165 1140 1100... -
Page 13: Section X: Wiring Diagram
661693-UIM-E-1212 SECTION X: WIRING DIAGRAM FIGURE 15: Wiring Diagram - PSC - Single Phase Heat Kits Johnson Controls Unitary Products... - Page 14 661693-UIM-E-1212 HEATER KITS: HEATER KITS: 6HK06501825 6HK06501025 6HK06501525 REL3 REL3 REL6 REL2 REL5 REL2 REL1 REL4 REL1 HEATER KITS: 6HK16502025 6HK16502525 COMPONENT CODES GND – EQUIPMENT GROUND REL3 REL6 FL – FUSIBLE LINK REL2 REL5 HE – HEATING ELEMENT LS – LIMIT SWITCH REL –...
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Page 15: Section Xi: Typical Thermostat Connections
661693-UIM-E-1212 SECTION XI: TYPICAL THERMOSTAT CONNECTIONS FIGURE 17: Typical Wiring Diagram - PSC Johnson Controls Unitary Products... -
Page 16: Section Xii: Start Up Sheet
661693-UIM-E-1212 SECTION XII: START UP SHEET Residential Air Handler Print Form Reset Form with Electric Heat Start-Up Sheet Proper start-up is critical to customer comfort and equipment longevity Start-Up Date Company Name Start-Up Technician Owner Information Name Address Daytime Phone City State or Province Zip or Postal Code... - Page 17 661693-UIM-E-1212 Electric Heat (Complete all that apply) Electric heat kit - Model number Serial number Rated KW Heater 1 Heater 2 Heater 3 Measured Amperage Heater 4 Heater 5 Heater 6 Number of elements Heater 1 Heater 2 Heater 3 Measured Voltage Heater 4 Heater 5...
- Page 18 NOTES .Subject to change without notice. Published in U.S.A 661693-UIM-E-1212 Copyright © 2012 by Johnson Controls, Inc. All rights reserved. Supersedes: 661693-UIM-D-1012 York International Corp. 5005 York Drive Norman, OK 73069...