Lennox 16HPX Series Unit Information Download Page 21 | Manualshive

Page: 21 / 32

background image

Page 21

24V TERMINAL STRIP

CONNECTIONS

(P2)

DIAGNOSTIC LEDS

(DS1 AND DS2)

PRESSURE

SWITCH CIRCUIT

CONNECTIONS

TEST PINS (P1)

Note - Component locations vary by board manufacturer.

SENSOR CONNECTION

(COIL AND AMBIENT

SENSORS)

(P4)

REVERSING VALVE

(O OUT)

DELAY PINS

(P5)

LOW AMBIENT

THERMOSTAT PINS

(P3)

DEFROST TERMINATION

PIN SETTINGS (P1)

Demand Defrost

Control (A108)

FIGURE 14. Demand Defrost Control (A108)

«
...
19
20
21
22
23
...
»

Summary of Contents for 16HPX Series

Page 1: ...plies before opening access panel Unit may have multiple power supplies 16HPX Table of Contents Installation Clearances 2 Model Number Identification 2 Dimensions 3 Specifications 4 Typical Unit Parts...

Page 2: ...14 mm Clearance to one of the remaining two sides may be A clearance of 24 in must be maintained between two units 48 in 1219 mm clearance required on top of unit Model Number Identification 16 HP X 0...

Page 3: ...NNECTION 6 3 8 162 TOP VIEW BASE SECTION COMPRESSOR COIL DRAIN OUTLETS Around perimeter of base OPTIONAL UNIT STAND OFF KIT 4 Field Installed 111 4 3 8 4 3 8 4 3 8 4 3 8 6 3 8 162 111 111 111 111 4 3...

Page 4: ...ctor 0 98 0 99 0 99 0 99 Outdoor Coil Fan Motor Full load amps 0 7 1 7 1 8 2 8 CONTROLS ORDER SEPARATELY iComfort M30 Smart Wi Fi Thermostat 15Z69 Remote Outdoor Temperature Sensor X2658 OPTIONAL ACCE...

Page 5: ...d wrench should be used and fitted snugly over the cap before tightening When servicing or repairing HVAC components ensure the fasteners are appropriately tightened Table 3 provides torque values for...

Page 6: ...7 8 9 10 11 12 1 12 TURN To Access Service Port A service port cap protects the service port core from contamination and serves as the primary leak seal 1 Remove service port cap with an appropriately...

Page 7: ...ent of unit in relation to a window see the provided illustration in figure 3 detail A PLACING UNIT ON SLAB When installing unit at grade level the top of the slab should be high enough above grade so...

Page 8: ...ons that may cause panels to be blown around and battered WARNING REMOVAL STEP 1 INSERT PANEL UNDER UNIT TOP CAP LIP AND LIFT SLIGHTLY TO CLEAR SIDE LIP OF PANEL FROM BASE STEP 2 PANEL INSTALLATION TO...

Page 9: ...unt of refrigerant charge in the system No need to add oil in system with 20 pounds of refrigerant or less For systems over 20 pounds add one ounce for every five pounds of refrigerant Recommended top...

Page 10: ...be used if line set is to be installed on exterior of outside wall PVC PIPE FIBERGLASS INSULATION CAULK OUTSIDE WALL VAPOR LINE WRAPPED WITH ARMAFLEX LIQUID LINE OUTSIDE WALL LIQUID LINE VAPOR LINE WO...

Page 11: ...dous to your health Avoid breathing vapors or fumes from brazing operations Perform operations only in well ventilated areas Wear gloves and protective goggles or face shield to protect against burns...

Page 12: ...SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the low side refrigeration gauge set into the liquid line service port valve and out of the suction vapor line service port valve CUT AND D...

Page 13: ...tions for the next step in preparing the unit WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DAMAGE...

Page 14: ...ISTING INDOOR UNIT GAUGE MANIFOLD INVERTED CYLINDER CONTAINS CLEAN HCFC22 TO BE USED FOR FLUSHING LIQUID LINE SERVICE VALVE INLET DISCHARGE TANK RETURN CLOSED OPENED RECOVERY CYLINDER RECOVERY MACHINE...

Page 15: ...hreads and expose surface of the Teflon ring with refrigerantoil E Attach the liquid line assembly to the expansion valve Finger tighten and use an appropriately sized wrench to turn an additional 1 2...

Page 16: ...losed connect the cylinder of HFC 410A refrigerant to the center port of the manifold gauge set Open the valve on the HFC 410A cylinder vapor only B Open the high pressure side of the manifold to allo...

Page 17: ...r unit until the absolute pressure does not rise above 500 microns 29 9 inches of mercury within a 20 minute period after shutting off the vacuum pump and closing the manifold gauge valves F When the...

Page 18: ...to unit nameplate for minimum circuit ampacity and maximum overcurrent protection size 24VAC TRANSFORMER Use the transformer provided with the furnace or air han dler for low voltage control power 24...

Page 19: ...TO PREVENT DAMAGE TO CONTROL SEE INSTALLATION INSTRUCTION FOR FURTHER DETAILS Typical Field Wiring Heat Pump Application with CBA38MV FIGURE 12 YELLOW BLUE NOT REQUIRED FOR SINGLE STAGE RED BLACK PUR...

Page 20: ...ssure switches Defrost Thermostat S6 The defrost thermostat is located on the liquid line be tween the check expansion valve and the distributor When defrost thermostat senses 42 F 5 5 C or cooler the...

Page 21: ...CONNECTIONS TEST PINS P1 Note Component locations vary by board manufacturer SENSOR CONNECTION COIL AND AMBIENT SENSORS P4 REVERSING VALVE O OUT DELAY PINS P5 LOW AMBIENT THERMOSTAT PINS P3 DEFROST T...

Page 22: ...of the defrost mode When a jumper is installed on the DELAY pins the compressor will be cycled off for 30 seconds going in and out of the defrost mode Units are shipped with jumper installed on DELAY...

Page 23: ...ature probe is de signed with a spring clip to allow mounting to the outside coil tubing The location of the coil sensor is important for proper defrost operation NOTE The demand defrost control accur...

Page 24: ...tem Remove any blockages or restrictions from coils and or fans Check indoor and outdoor fan motor for proper current draws Check system charge using subcooling method Check system operating pressures...

Page 25: ...performed by the homeowner IMPORTANT Sprinklers and soaker hoses should not be installed where they could cause prolonged exposure to the outdoor unit by treated water Prolonged exposure of the unit t...

Page 26: ...rmostat homeowner manual for instructions on how to operate your thermostat Heat Pump Operation Your new Lennox heat pump has several characteristics that you should be aware of Heat pumps satisfy hea...

Page 27: ...Page 27 Wiring and Sequence of Operation FIGURE 15 Typical Unit Wiring 024 036 and 048 Units...

Page 28: ...Page 28 FIGURE 16 Typical Unit Wiring 060 Units...

Page 29: ...Page 29 FIGURE 17 Typical Factory Wiring 024 036 and 048 Units...

Page 30: ...Page 30 FIGURE 18 Typical Factory Wiring 060 Units...

Page 31: ...emand cycle If the coil sensor temperature is still below the selected termination temperature the control will continue the defrost cycle until the cycle is terminated in one of the methods mentioned...

Page 32: ...um Fuse or Circuit Breaker Electrical Connections Tight Indoor Filter clean Supply Voltage Unit Off Indoor Blower RPM S P Drop Over Indoor Dry Outdoor Coil Entering Air Temp Discharge Pressure Vapor P...

Reviews:

No comments

Related manuals for 16HPX Series

Brand: Patron Pages: 8

Brand: TapFlo Pages: 42

Brand: Barnes Pages: 20

Brand: Jaga Pages: 96

Brand: Radialight Pages: 36

Brand: wallas Pages: 6

Brand: Nakayama Pages: 8

Brand: Kärcher Pages: 8

Brand: TATRA Pages: 16

Brand: Bestron Pages: 24

Brand: Gardner Denver Pages: 27

Brand: ARDES Pages: 28

SMOOTHFLO Series

Brand: Remco Pages: 2

Brand: Calorex Pages: 24

Brand: Bard Pages: 41

Brand: Zibro Pages: 17

Brand: Bard Pages: 26

Brand: IMO Pages: 11

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands