Carrier Infinity 25HNB6 Installation Instructions Manual Download | Manualshive

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Copyright 2012 Carrier Corp.

S

7310 W. Morris St.

S

Indianapolis, IN 46231

Edition Date: 06/12

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog No: 25HNB6---9---4SI

Replaces: 25HNB6--- 9--- 3SI

25H

N

B

6

/25H

N

B

9

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Summary of Contents for Infinity 25HNB6

Page 1: ...kout tag There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label CUT HAZARD Failure to follow this caution may result in personal injury Sheet metal parts may...

Page 2: ...Engineer Certification if required On rooftop applications mount on level platform or frame Place unit above a load bearing wall and isolate unit and tubing set from structure Arrange supporting memb...

Page 3: ...ring installation CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation If ANY refrigerant tubing is buried provide a 6 in vertical rise at ser...

Page 4: ...required A05227 Fig 4 Liquid Line Filter Drier Refrigerant Tubing connection Outdoor Connect vapor tube to fitting on outdoor unit vapor service valves see Table 1 Install Adapter Tube 1 Remove plast...

Page 5: ...TACTOR GROUND LUG FIELD GROUND WIRING FIELD POWER WIRING A91056 Fig 6 Line Power Connections Connect Control Wiring Route low voltage control wires through control wiring grommet and connect leads to...

Page 6: ...igest Install Accessories Refer to the individual instructions packaged with kits or accessories when installing When using a communicating control with the fan coil or the furnace dip switch adjustme...

Page 7: ...oor Fan Motor PWM Outdoor Temp DC volts Tolerance 2 MODEL LOW STAGE OAT 104_F 40_C HIGH STAGE OAT 104_F 40_C LOW HIGH STAGE OAT 104_F 40_C 25HNB924 8 72 9 35 11 90 25HNB936 9 06 10 23 11 90 25HNB948 9...

Page 8: ...re not used AUTO defrost adjusts the defrost interval time based on the last defrost time as follows S When defrost time 3 minutes the next defrost interval 120 minutes S When defrost time 3 5 minutes...

Page 9: ...lenoid output is provided at the Y1 connection Connect the solenoid as shown in the wiring label diagram This is a 24vac output that is energized whenever the compressor is energized It closes in the...

Page 10: ...riate error code will flash temporarily An RCD replacement board contains no model and serial information If the factory control board fails the model plug must be transferred from the original board...

Page 11: ...d when energized in high stage should measure 24vac across pin numbers PL5 2 HI and PL5 5 C When the compressor is operating in low stage the 24v DC compressor solenoid coil is de energized When the c...

Page 12: ...r must be locked in place with spheri cal nib end facing towards the front of the control box NO USE A12263 Fig 9 Outdoor Air Thermistor OAT Attachment OCT Thermistor must be secured tight on stub tub...

Page 13: ...f range 56 Improper relationship between coil sensor and outdoor air sensor Ohm out sensors and check wiring Low Stage Thermal Cutout 71 Compressor operation detected then disappears while low stage d...

Page 14: ...p O RVS Cooling O B W2 W2 Heat Stage 3 furnace W W1 W W1 W1 Heat Cool Stage 1 Y1 W2 Y1 Heat Cool Stage 2 Y Y2 Y Y2 Y2 Fan G G 24VAC Hot Heating Rh R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2...

Page 15: ...charging into suction line with compressor operating S Manifold sets should be 700 psig high side and 180 psig low side with 550 psig low side retard S Use hoses with 700 psig service pressure rating...

Page 16: ...0 W Morris St S Indianapolis IN 46231 Edition Date 06 12 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 25HNB6 9 4SI...

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