This is a wall-sleeve heat pump air conditioner and heater for hotel rooms, coastal condos, or additions where central ductwork isn't available. It's built for property managers and homeowners near seacoast environments who need self-contained, per-room climate control with added corrosion protection.
The PMH073J35CXXX is a DigiAIR series packaged terminal heat pump (PTHP) built for hospitality and multi-family properties in coastal or high-humidity environments, where the seacoast corrosion-protection package (Feature Code C) extends component life against salt-air exposure. This chassis pairs a heat pump compressor with a 3.5/3.0 kW electric heat strip for supplemental heating below the heat pump's effective range, and the unit meets or exceeds ASHRAE 90.1 efficiency standards. Note: If you would like to review the manufacturer Product Specifications, Warranty, Brochure, etc., for this system, please refer to the "Resources (System Manuals and Warranty)" Tab above on this page.
Critical Fit & Power Requirements
- Wall sleeve opening: industry-standard 42 in wide x 16-1/16 in high (WS900E, WS900QW, WS900SC, or WS900GS series sleeves).
- Voltage: 230/208V. Minimum 197V / maximum 253V per Amana voltage-limit spec.
- Amperage with electric heat installed: Total amps 15.5/14.1A; MCA 19.5A; MOP 20A.
- Plug: NEMA 6-20P, factory-installed with LCDI device per UL 484 (applies to all units under 250V).
- Wall Sleeve is NOT included and must be purchased separately.
- Exterior Architectural Grille is NOT included and must be purchased separately.
- Not compatible with 115V circuits.
- Not compatible with 265V circuits — do not confuse with the 265V commercial sibling chassis PMH074J, which requires a dedicated Amana sub-base (PTSB4**E) or hard-wire kit (PTPWHWK4 with disconnect PSHW04A).
- Not a drop-in replacement for non-standard or custom sleeve openings.
The technical friction on these seacoast-rated units isn't the electrical hookup — it's condensate drainage in a sleeve that's already fighting moisture and salt exposure. If the wall sleeve isn't pitched correctly, condensate backs up into the chassis base pan and eventually finds its way into the surrounding drywall, which undoes the whole point of buying a corrosion-protected unit in the first place. Set the sleeve level side-to-side, then pitch it 1/4 bubble toward the outside wall — check it with a torpedo level before you fasten anything permanently. This is the framing standard called out on the manufacturer's rough-opening diagram, and it's worth treating as non-negotiable on any property management job where you won't be back to fix a slow leak six months later.
Key Benefits
- Heat pump operation (6,200/6,100 BTU/h heating) reduces reliance on electric resistance heat in moderate outdoor conditions, with 3.5/3.0 kW backup heat for colder days.
- EER of 12.6/12.7 and COP of 3.6/3.6 reflect efficient compressor performance at rated voltage.
- Fresh air ventilation CFM of 25-35 supports make-up air exchange in guest rooms without opening a window.
- Seacoast corrosion protection (Feature Code C) targets salt-air degradation common in coastal hospitality and residential installs.
- R-32 refrigerant.
- Meets or exceeds ASHRAE 90.1 efficiency standards.
Technical Table
| Spec | Value | Unit |
|---|---|---|
| System Type | PTHP (Packaged Terminal Heat Pump) | — |
| Voltage | 230/208 | V |
| Cooling Capacity | 6,900/6,700 | BTU/h |
| Cooling Amps (Compressor) | 4.4/4.4 | A |
| Cooling Watts (Compressor) | 545/525 | W |
| EER | 12.6/12.7 | — |
| Heating Capacity (Heat Pump) | 6,200/6,100 | BTU/h |
| Heating Amps (Compressor) | 4.4 | A |
| Heating Watts (Compressor) | 505/495 | W |
| COP | 3.6/3.6 | — |
| CFM Cooling | 339/339 | CFM |
| CFM Heating | 378/378 | CFM |
| Fresh Air CFM | 25-35 | CFM |
| Electric Heat Strip Size | 3.5/3.0 | kW |
| Electric Heat Stages | 1 | — |
| Electric Heat Output (230V) | 12,000 | BTU/h |
| Electric Heat Output (208V) | 9,900 | BTU/h |
| Total Watts w/ Electric Heat | 3,570/2,935 | W |
| Total Amps w/ Electric Heat | 15.5/14.1 | A |
| MCA | 19.5 | A |
| MOP | 20 | A |
| NEMA Plug Type | 6-20P | — |
| Refrigerant Type | R-32 | — |
| Corrosion Protection | Seacoast (Feature Code C) | — |
| Wall Sleeve Compatibility | Standard 42 x 16-1/16 | in |
| Wall Sleeve Included | Not Included | — |
| Exterior Architectural Grille Included | Not Included | — |
Note: See "Resources (System Manuals and Warranty)" Tab above for full specifications.
Compatibility & Fitment
- Fits the industry-standard 42 in x 16-1/16 in wall sleeve opening — compatible with WS900E, WS900QW, WS900SC (seacoast triple protected), and WS900GS (heavy sound isolation) sleeve models.
- Compatible with 230/208V dedicated circuits (minimum 197V / maximum 253V) via NEMA 6-20P plug.
- Not compatible with 115V circuits.
- Not compatible with 265V circuits — that voltage class is served by the sibling chassis PMH074J, which requires a separate Amana sub-base or hard-wire kit and is not interchangeable with this model's factory cord-and-plug configuration.
- Wall Sleeve NOT included — order separately based on sleeve depth and drain configuration needed.
- Exterior Architectural Grille NOT included — order separately (SGK stamped, AGK extruded aluminum, or PGK polymer options).
- Not a drop-in replacement for non-standard or custom sleeve openings; verify existing sleeve dimensions before ordering.
Compliance & Environment
| Attribute | Value |
|---|---|
| Refrigerant Type | R-32 |
| Power Cord Compliance | Factory LCDI power cord per UL 484 (applies to units under 250V) |
| Efficiency Standard | Meets or exceeds ASHRAE 90.1 |
| Voltage Operating Range | 197V minimum / 253V maximum (230/208V models) |
FAQ
Is the wall sleeve included with this unit?
No. The wall sleeve is sold separately. This unit fits the industry-standard 42 in x 16-1/16 in wall sleeve opening (WS900E, WS900QW, WS900SC, or WS900GS series), but the sleeve, drain kit, and exterior grille must be ordered as separate line items.
What breaker size and plug type does this unit require?
With the 3.5/3.0 kW electric heat installed, this unit requires a Minimum Circuit Ampacity (MCA) of 19.5A, a Maximum Overcurrent Protection (MOP) of 20A, and ships with a factory NEMA 6-20P power cord for a 230/208V, 20A dedicated circuit.
Can this be hardwired for 265V commercial applications?
No. This model is a 230/208V unit and is not rated for 265V circuits. The 265V commercial sibling of this chassis is the PMH074J, which requires an Amana sub-base (PTSB4**E series) or hard-wire kit PTPWHWK4 with disconnect switch PSHW04A (sold separately) and factory-installed cartridge-style time-delay fuses. Do not attempt to wire this 230/208V model to a 265V supply.
Will this fit a standard 42-inch by 16-inch wall sleeve opening?
Yes. This chassis is designed for the industry-standard 42 in wide x 16-1/16 in high wall sleeve opening. It is not a drop-in fit for non-standard or custom sleeve openings; confirm existing sleeve dimensions before ordering.
Does this require a licensed electrician or HVAC professional to install and keep the warranty valid?
This unit runs on a dedicated 230/208V, 20A circuit with a NEMA 6-20P plug. [NEEDS VERIFICATION - exact warranty installation-labor requirement is not stated in the provided badge assets; refer to the warranty PDF in the Resources tab for confirmed terms.]
Warranty & Registration
Manufacturer badge assets for this unit indicate a 1-Year Repair/Replace warranty and a 5-Year Parts Limited Warranty. Full terms, including any distinctions between commercial hospitality use and residential use, are detailed in the warranty PDF located in the "Resources (System Manuals and Warranty)" tab above. Confirm exact registration steps and coverage limits there before installation — we always reply back if you have questions after reviewing it.
