Carrier and ICP Two-Stage HSI Integrated Furnace Control Kit

SKU: 21V51D-751

$165.54each

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Description

Two-stage HSI integrated furnace control kit for many Carrier and ICP equipment brands with PSC, variable speed, and ECMx blowers configured via dipswitch selection.

Specifications:

  • Input Voltage: 18 to 30 VAC, 60 Hz
  • Current: 0.8 amp @ 25 VAC
  • Min current to insure flame detection: 0.25 microamperes DC*
  • Max current for non-detection: 0.1 microampere DC
  • Max allowable leakage resistance: 150 M ohms * Measuring with a DC voltmeter (1VDC = 1 microampere)
  • Operating Temperature Range: -40° to 175°F (-40° to 80°C)
  • Mounting: Plastic tray
  • Humidity Range: 5 to 95% relative humidity (non-condensing)
  • Gases Approved: Natural, Manufactured, Mixed, Liquefied Petroleum and LP Gas Air Mixtures

Product Features

  • Universal Furnace Electronic Fan Timer control for single stage furnaces with PSC inducer and blower motors
  • Works with non-integrated furnace controls or intelligent gas valves
  • Six mounting hole options
  • Harnesses with terminal flags for easy wiring
  • Terminals are labeled to match multiple existing boards
  • Transformer connections offer 1/4" and 3/16" terminals
  • Tri-Color LED displays status and fault codes
  • Exclusive fault recall button

Product Specifications

  • Stages: Single Stage
  • Operating Voltage: Input 24 Vac, 60 Hz
  • Line Voltage: 115-230 Vac, 60 Hz
  • Inducer Motor/Blower Motor: PSC
  • Ambient Operating Temperature: -40 to 175°F (-40 to 80°FC)
  • Humidity Range: 5% to 95% relative humidity (non-condensing)

Product Specifications:

  • Description: 1/2 in. NPT x 1/2 in. NPT Intermittent Hot Surface Pilot Ignition SmartValve Control with fast-fast opening and 3.4 in. wc pressure regulator setting
  • Flame Sense: Electrode
  • Type of Gas: Natural
  • Ignition System Type: Intermittent Hot Surface Pilot Ignition
  • Ignition Sequence: Intermittent Pilot
  • Ignition Source: Pilot
  • Ignition Trials To Lockout: Continuous Retry
  • PrePurge: None
  • Body Pattern: Straight-through
  • Opening Characteristics: Fast-Fast Opening
  • Ignition Trial Time (sec): 90 sec
  • Electrical Ratings: 24 Vac
  • Frequency: 60 Hz; 50 Hz
  • Flame Failure Response Time (sec): 1.6 sec @ 3 µA
  • Ambient Temperature Range (F): -40 F to +175 F
  • Ambient Temperature Range (C): -40 C to +79 C
  • Pressure Regulator Setting (psi): 3.4 in. wc
  • Pressure Regulator Setting (kPa): 0.87 kPa
  • Pressure Ratings (psi): 1/2 psi
  • Pressure Ratings (kPa): 3.45 kPa
  • Inlet/Outlet Size (in.): 1/2 in. NPT x 1/2 in. NPT
  • Maximum Capacity (ft³/hr): 200 ft³/hr
  • Maximum Capacity (m³/hr): 5.7 m³/hr
  • Minimum Capacity (ft³/hr): 20 ft³/hr
  • Minimum Capacity (m³/hr): 0.6 m³/hr
  • Maximum Capacity at 1 in. P.D. (ft³/hr): 150 ft³/hr
  • Maximum Capacity at 1 in. P.D. (m³/hr): 4.2 m³/hr
  • Pilot Gas Outlet: Yes
  • Typical Ignition Hardware: Q3450
  • Approvals, American Gas Association IAS: IAS Design Certified: C2030017

Maintenance & Troubleshooting:

  • This capacitor is typically replaced when diagnostics indicate a run capacitor is out of specification or when motor operation issues are traced to the dual run capacitor (diagnostic procedures are not provided in the supplied sources).
  • If issues persist after replacement, confirm the installed capacitor matches the required MFD and voltage ratings and that all connections are correct per the equipment documentation.

Certifications & Compliance:

  • Manufacturer listing states UL & cUL for these capacitors.

User Reviews & Q&A Summary:

  • Review themes commonly describe it as a correct replacement capacitor that restores cooling operation when a failed capacitor is replaced.
  • Many comments focus on getting the right part quickly and returning equipment to service, with frequent notes about straightforward replacement once the correct rating is confirmed.

Product Highlights

Product Highlight: Fuel TypePropane, Natural Gas      Product Highlight: Inlet Size1/2"     Product Highlight: Outlet Size1/2"     Product Highlight: Voltage24V

Specs

OEM:

ICP

Carrier

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