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506762-03

Page 18 of 18

Issue 1946

Figure 8. H/P 14/15 SEER Wiring Diagram

Summary of Contents for 4SHP14

Page 1: ...ly with these instructions could result in an unsafe condition and or premature component failure These instructions are intended as a general guide only for use by qualified personnel and do not supersede any This is a safety alert symbol and should never be ignored When you see this symbol on labels or in manuals be alert to the potential for personal injury or death Installation and servicing o...

Page 2: ...h or be an integral part of the building foundation See Figure 1 If conditions or local codes require the unit be attached to pad or mounting frame tie down bolts should be used and secured to unit base pan national or local codes in any way The installation must comply with all provincial state and local codes as well as the National Electrical Code U S or Canadian Electrical Code Canada Complian...

Page 3: ...ucted by a wall or other barrier Table 2 Clearances 30 around Control Box 24 6 NOTE See Table 2 for specific minimum clearance guidelines Figure 2 DO LOCATE THE UNIT With proper clearances on sides and top of unit On a solid level foundation or pad unit must be level to within 1 4 in ft per compressor manufacturer specifications To minimize refrigerant line lengths DO NOT LOCATE THE UNIT On brick ...

Page 4: ... 8 042 3 8 3 8 7 8 7 8 048 3 8 3 8 7 8 7 8 060 3 8 3 8 7 8 1 1 8 Field supplied 7 8 x 1 1 8 connector required on both ends of vapor tubing Table 3 Recommended Liquid Vapor Tube Diameters in Be extra careful with sharp bends Tubing can kink very easily and if this occurs the entire tube length will have to be replaced Extra care at this time will eliminate future service problems It is recommended...

Page 5: ... UNIT VAPOR LINE SERVICE VALVE VAPOR LIQUID 1 A B C D A Cylinder with clean R 410A positioned to deliver liquid refrigerant to the vapor service valve B Refrigerant gauge set low side to the liquid line valve C Refrigerant gauge set center port to inlet on the recovery machine with an empty recovery tank connected to the gauge set D Connect recovery tank to recovery machine per machine instruction...

Page 6: ...Shown Sensing bulb insulation is required if mounted external to the coil casing sensing bulb installation for bulb positioning STUB END TEFLON RING LIQUID LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR ASSEMBLY 3 Install one of the provided Teflon rings around the stubbed end of the check expansion valve and lightly lubricate the connector threads and expose surface of the Teflon ring with refrigerant ...

Page 7: ...round Do not crimp end of the line Remove service cap and core from both the vapor and liquid line service ports 1 2 LIQUID LINE SERVICE VALVE SERVICE PORT CORE SERVICE PORT CAP SERVICE PORT CORE SERVICE PORT CAP CUT AND DEBUR LINE SET SIZE MATCHES SERVICE VALVE CONNECTION DO NOT CRIMP SERVICE VALVE CONNECTOR WHEN PIPE IS SMALLER THAN CONNECTION 3 VAPOR LINE SERVICE VALVE COPPER TUBE STUB REFRIGER...

Page 8: ...VES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WRAP SERVICE VALVES To help protect service valve seals during brazing wrap water saturated cloths around service valve bodies and copper tube stubs Use additionalwater saturated cloths underneath the valve body to protect the base paint 4 FLOW NITROGEN Flow regulated nitrogen at 1 to 2 psig through the refrigeration gauge set int...

Page 9: ... of the manifold gauge set in order to pressurize the line set and the indoor unit E After a few minutes open one of the service valve ports and verify that the refrigerant added to the system earlier is measurable with a leak detector F After the line set has been connected to the indoor and outdoor units check the line set connections and indoor unit for leaks Use the following procedure to test...

Page 10: ...uid refrigerant Open the manifold gauge valve 1 to 2 psig in order to release the vacuum in the line set and indoor unit G Perform the following Close manifold gauge valves Shut off HFC 410A cylinder Reinstall service valve cores by removing manifold hose from service valve Quickly install cores with core tool while maintaining a positive system pressure Replace stem caps and finger tighten them t...

Page 11: ...ench with a hex head extension to back the stem out counterclockwise as far as it will go Use a 3 16 hex head extension for liquid line service valves and a 5 16 extension for suction line service valves 3 Replace the stem cap Tighten finger tight then tighten an additional 1 6 turn To Close Liquid or Suction Line Service Valve 1 Remove the stem cap with an adjustable wrench 2 Use a service wrench...

Page 12: ...m the low voltage field wiring 2 Ground unit at unit disconnect switch or to an earth ground To facilitate conduit a hole is in the bottom of the control box Connect conduit to the control box using a proper conduit fitting Units are approved for use only with copper conductors 24V Class II circuit connections are made in the low voltage junction box A complete unit wiring diagram is located insid...

Page 13: ...For varying lengths of line set refer to Table 4 for refrigerant charge adjustment A blank space is provided on the unit rating plate to list the actual field charge Table 4 Refrigerant Charge Adjustment Liquid Line Set Diameter Oz Per 5 ft adjust from 15 ft line set 3 8 in 3 oz per 5 ft or 0 6 oz per 1 ft If line length is greater than 15 ft add this amount If line length is less than 15 ft remov...

Page 14: ... cycle and 90 seconds after the termination of defrost when the average ambient sensor temperature is below 15 F 9 C for 90 seconds following the start up of the compressor during test mode High Pressure Switch HI PS When the high pressure switch trips the defrost board will cycle off the compressor and the strike counter in the board will count one strike Pressure Switch Settings High Pressure au...

Page 15: ...sition at power up the control will ignore the test pins When the jumper is placed across the TEST pins for 2 seconds the control will enter the defrost mode If the jumper is removed before an additional 5 second period has elapsed 7 seconds total the unit will remain in defrost mode until the defrost thermostat opens or 14 minutes have passed If the jumper is not removed until after the additiona...

Page 16: ...bent fins may affect unit operation SHARP OBJECT HAZARD Condenser coils have sharp edges Wear adequate body protection on body extremities e g gloves FAILURE TO FOLLOW THIS WARNING COULD RESULT IN BODILY INJURY WARNING Painted Surfaces For maximum protection of the unit s finish a good grade of automobile wax should be applied every year In geographical areas where water has a high concentration o...

Page 17: ...the defrost cycle In case of extended power outage If the outdoor temperature is below 50 F and power to your outdoor unit has been interrupted for one hour or longer observe the following when restoring power to your heat pump system Set the room thermostat selector to the Emergency Heat setting to obtain temporary heat for a minimum of 6 hours This will allow system refrigerant pressures and tem...

Page 18: ...506762 03 Page 18 of 18 Issue 1946 Figure 8 H P 14 15 SEER Wiring Diagram ...

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