Room Tier — Vertiv™ CoolPhase™ Wall
CoolPhase™ Wall
A wall-mounted split system for the server room that doesn’t have a raised floor or central plant to tie into.
3.5–11 kW
Zero floor space
18-month warranty
or call (800) 222-1440
What’s Built In
Precision cooling for the room that doesn’t have a raised floor.
- Wall-mount split system — zero floor space required
- Higher airflow than traditional comfort cooling, reducing hot spots and stabilizing temperature
- Low-GWP R-32 refrigerant
- Variable speed compressors and EC fans lower operating costs
- Remote monitoring and built-in intelligent Vertiv™ controls
Gives a converted office, a school’s network closet, or a hospital’s IT room dedicated precision cooling with humidity control — without ductwork or construction. Delivers up to 11kW of dedicated cooling even in extreme conditions.
Model range
Three capacities, WLM series.
WLM030A, 3.5 kW
12,000 BTUH · 618 CFM · 19.29″ H × 36.02″ W × 15.35″ D
WLM070A, 7.0 kW
24,000 BTUH · 1,177 CFM · 19.29″ H × 49.8″ W × 15.35″ D
WLM0110A, 11.0 kW
37,500 BTUH · 1,825 CFM · 19.29″ H × 56.1″ W × 15.35″ D
Full Specifications
Every number, for the people who ask for them.
| Capacity | 3.5–11.0 kW |
| Nominal cooling | 12,000–37,500 BTUH |
| Airflow | 618–1,825 CFM |
| Height | 19.29 in |
| Width | 36.02–56.1 in, by model |
| Depth | 15.35 in |
| Refrigerant | R-32 (low GWP) |
| Warranty | 18 months from product shipment date |
| Best fit | Converted rooms, no raised floor or central plant |
Exact model and redundancy are confirmed at quote against your room’s heat load.
Ready to spec CoolPhase Wall?
Send us your room dimensions and heat load and we’ll size the unit.