Product Overview
Product Overview
OLMO Multi-Sierra Outdoor — 36,000 BTU, R454B — OS-RMS36-230VO
Inverter heat pump outdoor unit. SEER2 up to 22. Heating to −13 °F. Supports 3–4 zones with compatible indoor units.
36,000 BTU/h cool & heat 3–4 zones SEER2 22 · EER2 12.85 HSPF2 10.0 R454B 208–230V 1Ph 5–125 °F cool · −13–75 °F heat
Why pros choose this outdoor
- Multi-zone flexibility: serves 3 to 4 independent zones.
- High efficiency: SEER2 22 with inverter technology.
- Cold-climate heat: rated to −13 °F heating operation.
- Long runs: up to 82 ft each line, 230 ft total.
At-a-glance
Model
OS-RMS36-230VO
OS-RMS36-230VO
Zones
3–4 zones
3–4 zones
Efficiency
SEER2 22 · EER2 12.85 · HSPF2 10.0
SEER2 22 · EER2 12.85 · HSPF2 10.0
Sound
64 dB(A)
64 dB(A)
What’s included
- Outdoor unit OS-RMS36-230VO
- Owner/installation documentation
Pair only with compatible OLMO Multi-Sierra indoor units. Observe line sizes and total length limits.
Tech specs
| Spec | Details |
|---|---|
| Model | OS-RMS36-230VO |
| Zones supported | 3–4 independent zones |
| Cooling / Heating capacity | 36,000 / 36,000 BTU/h |
| SEER2 / EER2 | 22.0 / 12.85 |
| HSPF2 / COP2 | 10.0 / 3.91 W/W |
| Power | 208–230 V, 1-Phase, 60 Hz |
| Voltage range | 187–253 V |
| MCA / Max fuse | 32 A / 50 A |
| Refrigerant / Charge | R454B / 105.8 oz |
| Line sizes (liq/gas) | 1/4″ / 3/8″ |
| Max pipe length (each / total) | 82 ft / 230 ft |
| Operating range (cool / heat) | 5–125 °F / −13–75 °F |
| Outdoor airflow (Hi) | 3,357 CFM |
| Outdoor sound | 64 dB(A) |
| Unit size (W×H×D) | 38-3/8 × 32-7/8 × 14-1/8 in |
| Packing size (W×H×D) | 43-3/4 × 37-3/4 × 18-1/8 in |
| Net / Gross weight | 169.8 / 191.8 lb |
Documents
Important
Install by a licensed HVAC professional. Register within 60 days. Confirm indoor unit mix, branch kits if applicable, MCA/max-fuse, pipe lengths, and ambient limits.
FAQs
How many zones can this support?
Three to four independent zones when matched with compatible OLMO Multi-Sierra indoor units.
What line sizes are required?
1/4″ liquid and 3/8″ gas per specification.
What are the power requirements?
208–230 V, single-phase, 60 Hz. MCA 32 A. Max fuse 50 A.
What are the piping limits?
Up to 82 ft per run and 230 ft total, within system design limits.
