Trane 6 ton Roof Top Packaged Unit Heat Pump 230v 3ph
 
Trane Model Number Breakdown
 
WHC074H3R0A67J2D
 
Digit 1 - Unit Type (W) Packaged Heat Pump
Digit 2 - Efficiency (H) High Efficiency
Digit 3 - Airflow (C) Convertible
Digit 4,5,6 - Nominal Gross Cooling Capacity (MBh) (074) 6 Ton
Digit 7 - Major Design Sequence (H)
Digit 8 - Voltage Selection (3) 208-230/60/3
Digit 9 - Unit Controls (R) ReliaTel™ Microprocessor
Digit 10 - Heating Capacity Note: Applicable to Digit 1,W models only. (0) No Electric Heat
Digit 11 - Minor Design Sequence (A)
Digit 12,13 - Service Sequence ** Factory Assigned (2F)
Digit 14 - Fresh Air Selection (P) Low Leak Economizer with Comparative Enthalpy with Barometric Relief
Digit 15 - Supply Fan/Drive Type/ Motor (7) Multi-Speed Indoor Fan
Digit 16 - Hinged Service Access/Filters (B) Standard Panels/2-in. MERV 8 Filters
Digit 17 - Condenser Coil Protection (1) Standard Coil with Hail Guard
Digit 18 - Through-the-Base Provisions (A) Through-the-Base Electric
Digit 19 - Disconnect/Circuit Breaker (three-phase only) (1) Unit Mounted Non-Fused Disconnect
Digit 20 - Convenience Outlet (B) Powered Convenience Outlet (three-phase only)
Digit 21 - Communications Options (0) No Communications Interface
Digit 22 - Refrigeration System Option (0) Standard Refrigeration System
Digit 23 - Refrigeration Controls (0) No Refrigeration Control
Digit 24 - Smoke Detector (C) Supply and Return Air Smoke Detectors
Digit 25 - System Monitoring Controls (0) No Monitoring Control
Digit 26 - System Monitoring Controls (A) Demand Control Ventilation (CO 2 )
Digit 27 - Unit Hardware Enhancements (0) No Enhancements
Digit 31 - Advanced Unit Controls (1) Human Interface
 
Model Number Notes
1. Manual outside air damper will ship factory supplied within the unit, but must be field installed.
2. High pressure control is standard on all units.
3. Multi-stage, direct drive standard on 3 to 5 tons models. Belt drive standard on 6 to 8.5 tons standard efficiency models. Variable speed direct drive standard on 10 tons model and 6 to 8.5 tons high efficiency models.
4. Economizer with barometric relief is for downflow configured units only. Order economizer without barometric relief for horizontal configuration. Barometric relief for horizontal configured units must be ordered as field installed accessory.
5. Through-the-base electric required when ordering disconnect/circuit breaker options.
6. Requires use of disconnect or circuit break er.
7. Standard metering devices are TXVs.
8. The return air smoke detector may not fit up or work properly on the Precedent™ units when used in conjunction with 3rd party accessories such as bolt on heat wheels, economizers and power exhaust. Do not order the return air smoke detectors when using this type of accessory.
9. Requires hinged access panels.
10. Motorized outside air damper is not available on multi-speed or SZVAV (Single Zone Variable Air
Volume) or MZVAV (Multi Zone Variable Air Volume) products.
11. Frostat™ standard on 6 to 10 tons High Efficiency, multi-speed and SZVAV (single zone variable air volume) products.
12. Multi-speed indoor fan available on 6, 7.5, 8.5 and 10 tons products.
13. Demand control ventilation option includes wiring only. The CO 2 sensor is a field-installed only option.
14. SZVAV/MZVAV available only on 3 to 10 tons high efficiency and SZVAV available on 7.5 to 10 tons standard efficiency unit.
15. Must be used with BACnet ® open protocol.
16. Crankcase heater is standard on all heat pumps.
17. Includes gas piping and shutoff (field assem bly required).