Page 2 - INSPECT NEW UNIT; WARNING; LOCATION; CAUTION; Failure to follow this caution may result in property damage.; Top surface of platform must be above estimated snow-
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 2 428 01 5106 02 Specifications subject to change without notice. INSPECT NEW UNIT After uncrating unit, inspect thoroughly for hidden damage. If damage is found, notify the transportation company immediately and file a concealed damage claim...
Page 3 - Minimum; Contact local distributor for hurricane hold; Inadequate unit support may cause excessive vibration,; REFRIGERATION SYSTEM
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 428 01 5106 02 3 Specifications subject to change without notice. Figure 1 Tie Down Knockouts Base Pan Depth C B A Base Pan Width a” (10mm) dia. Tie Down Knockouts In Base Pan (2 places) View From Top Inches (mm) Base Pan Width x Depth Tie Do...
Page 4 - cooling; PRODUCT OPERATION HAZARD; sale literature for start as-
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 4 428 01 5106 02 Specifications subject to change without notice. Installing with Indoor Piston − cooling operation. (Heat pumps also use an outdoor piston for heating operation, refer to section F.) Check piston size shipped with indoor unit...
Page 7 - ELECTRICAL WIRING
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 428 01 5106 02 7 Specifications subject to change without notice. Triple Evacuation Method The triple evacuation method should only be used when system does not contain any water in liquid form and vacuum pump is only capable of pulling down ...
Page 8 - LEGEND
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 8 428 01 5106 02 Specifications subject to change without notice. Wiring Connections Make all outdoor electrical supply (Line Voltage) connections with raintight conduit and fittings. Most codes require a disconnect switch outdoors within sig...
Page 9 - DEFROST SYSTEM
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 428 01 5106 02 9 Specifications subject to change without notice. DEFROST SYSTEM A. DEFROST THERMOSTAT The defrost thermostat is factory installed on a short tube stub extending from the coil end plate. Refer to Figure 11 and confirm that the...
Page 10 - Defrost Control Board; T1 C C O
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 10 428 01 5106 02 Specifications subject to change without notice. Figure 12 Defrost Control Board R8 OF1 K1 O1 R21 C2 R6 H9C1 C US R14 R13 D13 R7 C4 C10 JW2 JW1 D3 C16 C7 R28 D6 JW3 C13 R4 R1 R2 R3 R1 1 R5 R26 D1 D2 D10 A29 R9 D4 C19 C9 C1...
Page 11 - START; A. UNITS WITH COOLING MODE TXV
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 428 01 5106 02 11 Specifications subject to change without notice. START − UP PROCEDURE 1. Set indoor thermostat selector switch to OFF.2. Turn ON all electrical disconnect devices.3. If unit has a crankcase heater, energize the heater and wa...
Page 12 - SEQUENCE OF OPERATION
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 12 428 01 5106 02 Specifications subject to change without notice. 11. If outdoor air temperature or pressure at suction valve changes, charge to new suction line temperature indicated on chart. 12. Optimum performance will be achieved when t...
Page 14 - Rating Plate (required) Subcooling Temperature; Measured Liquid
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 14 428 01 5106 02 Specifications subject to change without notice. Figure 15 Rating Plate (required) Subcooling Temperature ° F ( ° C) Measured Liquid Pressure (psig) ° F ( ° C) ° F ( ° C) ° F ( ° C) ° F (° C) F (° C) F ( ° C) 6 3 8 4 10 6 12...
Page 16 - TROUBLESHOOTING
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 16 428 01 5106 02 Specifications subject to change without notice. Figure 17 - Additional Subcooling Tables 15 SEER 13 & 14 SEER Subcooling Delta from Rating Plate Value Subcooling Delta from Rating Plate Value OUTDOOR UNIT TONNAGE OUTDOO...
Page 18 - 10A QUICK REFERENCE GUIDE; WARNINGS
INSTALLATION INSTRUCTIONS R − 410A Split System Heat Pump 18 428 01 5106 02 Specifications subject to change without notice. R − 410A QUICK REFERENCE GUIDE R − 410A refrigerant operates at 50% − 70% higher pressures than R − 22. Be sure that servicing equipment and replacement components are desig...