90M
90M
Seawater Cooled
Indoor Self-Contained Unit
11 to 35 Nominal kW
3 to 10 Nominal Tons
- 90MA - Fresh/seawater cooled
- 90MU - Condenserless
- Designed to fit marine applications
- R-407C, R-134a, or R-404A Refrigerant
- 50/60 Hz
Features
- Standard models available with R-134a, R-404A, or R-407C.
- Compact cabinet fits any working environment.
- Free-blow or ducted supply air.
- Cools, heats, dehumidifies, and filters air; prevents mildew.
- Attractive design saves space and complements any decor.
- Thermostat controls located for accessibility.
- Black epoxy paint on interior sheet metal for added corrosion resistance.
- Return air panel is slotted with an extruded handle for easy service access.
- Cleanable aluminium mesh return air filters.
- Quick sensing elements prevent compressor trouble before it starts
- Compressor crankcase heaters prevent flooded starts and dilution of oil by refrigerant.
- Includes seawater regulating valve to maintain discharge pressure.
- Meets UL requirements. USCG approval not needed.
Refrigerants and Capacities
| Model | Size | Refrigerant | Nominal capacity
(Tons) |
Nominal capacity
(kW) |
Nominal airflow
(cfm) |
Nominal airflow
(m³/h) |
|---|---|---|---|---|---|---|
| 404 | 004 | R-407C | 3.0 | 10.5 | 1,200 | 1,698 |
| 504 | 004 | R-404A | 3.0 | 10.5 | 1,200 | 1,698 |
| 406 | 006 | R-407C | 5.0 | 17.6 | 2,000 | 2,830 |
| 506 | 006 | R-404A | 5.0 | 17.6 | 2,000 | 2,830 |
| 408 | 008 | R-407C | 7.5 | 26.4 | 3,000 | 4,245 |
| 508 | 008 | R-404A | 7.5 | 26.4 | 3,000 | 4,245 |
| 412 | 012 | R-407C | 10.0 | 35.1 | 4,000 | 5,660 |
| 512 | 012 | R-404A | 10.0 | 35.1 | 4,000 | 5,660 |
| 308 | 006 | R-134a | 5.5 | 19.3 | 3,000 | 4,245 |
| 312 | 008 | R-134a | 8.0 | 28.1 | 4,000 | 5,660 |
Operating Weights
| Model | Size | 90MA
(lbs) |
90MA
(kg) |
90MU
(lbs) |
90MU
(kg) |
Discharge plenum
(lbs) |
Discharge plenum
(kg) |
|---|---|---|---|---|---|---|---|
| 404 | 004 | 390 | 177 | 330 | 150 | 25 | 11.3 |
| 504 | 004 | 390 | 177 | 330 | 150 | 25 | 11.3 |
| 406 | 006 | 427 | 194 | 360 | 163 | 25 | 11.3 |
| 506 | 006 | 427 | 194 | 360 | 163 | 25 | 11.3 |
| 408 | 008 | 895 | 406 | 835 | 379 | 50 | 22.7 |
| 508 | 008 | 895 | 406 | 835 | 379 | 50 | 22.7 |
| 412 | 012 | 950 | 431 | 890 | 404 | 50 | 22.7 |
| 512 | 012 | 950 | 431 | 890 | 404 | 50 | 22.7 |
| 308 | 006 | 895 | 406 | - | - | 25 | 11.3 |
| 312 | 008 | 950 | 431 | - | - | 50 | 22.7 |
Dimensions
| Model | Size | ||||||
|---|---|---|---|---|---|---|---|
| Length | Depth | Height with plenum | |||||
| (in.) | (mm) | (in.) | (mm) | (in.) | (mm) | ||
| 404 | 004 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 504 | 004 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 406 | 006 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 506 | 006 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 408 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 508 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 412 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 512 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 308 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 312 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
Features
- Standard models available with R-134a, R-404A, or R-407C.
- Compact cabinet fits any working environment.
- Free-blow or ducted supply air.
- Cools, heats, dehumidifies, and filters air; prevents mildew.
- Attractive design saves space and complements any decor.
- Thermostat controls located for accessibility.
- Black epoxy paint on interior sheet metal for added corrosion resistance.
- Return air panel is slotted with an extruded handle for easy service access.
- Cleanable aluminium mesh return air filters.
- Quick sensing elements prevent compressor trouble before it starts
- Compressor crankcase heaters prevent flooded starts and dilution of oil by refrigerant.
- Includes seawater regulating valve to maintain discharge pressure.
- Meets UL requirements. USCG approval not needed.
Refrigerants and Capacities
| Model | Size | Refrigerant | Nominal capacity
(Tons) |
Nominal capacity
(kW) |
Nominal airflow
(cfm) |
Nominal airflow
(m³/h) |
|---|---|---|---|---|---|---|
| 404 | 004 | R-407C | 3.0 | 10.5 | 1,200 | 1,698 |
| 504 | 004 | R-404A | 3.0 | 10.5 | 1,200 | 1,698 |
| 406 | 006 | R-407C | 5.0 | 17.6 | 2,000 | 2,830 |
| 506 | 006 | R-404A | 5.0 | 17.6 | 2,000 | 2,830 |
| 408 | 008 | R-407C | 7.5 | 26.4 | 3,000 | 4,245 |
| 508 | 008 | R-404A | 7.5 | 26.4 | 3,000 | 4,245 |
| 412 | 012 | R-407C | 10.0 | 35.1 | 4,000 | 5,660 |
| 512 | 012 | R-404A | 10.0 | 35.1 | 4,000 | 5,660 |
| 308 | 006 | R-134a | 5.5 | 19.3 | 3,000 | 4,245 |
| 312 | 008 | R-134a | 8.0 | 28.1 | 4,000 | 5,660 |
Operating Weights
| Model | Size | 90MA
(lbs) |
90MA
(kg) |
90MU
(lbs) |
90MU
(kg) |
Discharge plenum
(lbs) |
Discharge plenum
(kg) |
|---|---|---|---|---|---|---|---|
| 404 | 004 | 390 | 177 | 330 | 150 | 25 | 11.3 |
| 504 | 004 | 390 | 177 | 330 | 150 | 25 | 11.3 |
| 406 | 006 | 427 | 194 | 360 | 163 | 25 | 11.3 |
| 506 | 006 | 427 | 194 | 360 | 163 | 25 | 11.3 |
| 408 | 008 | 895 | 406 | 835 | 379 | 50 | 22.7 |
| 508 | 008 | 895 | 406 | 835 | 379 | 50 | 22.7 |
| 412 | 012 | 950 | 431 | 890 | 404 | 50 | 22.7 |
| 512 | 012 | 950 | 431 | 890 | 404 | 50 | 22.7 |
| 308 | 006 | 895 | 406 | - | - | 25 | 11.3 |
| 312 | 008 | 950 | 431 | - | - | 50 | 22.7 |
Dimensions
| Model | Size | ||||||
|---|---|---|---|---|---|---|---|
| Length | Depth | Height with plenum | |||||
| (in.) | (mm) | (in.) | (mm) | (in.) | (mm) | ||
| 404 | 004 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 504 | 004 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 406 | 006 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 506 | 006 | 36.13 | 919 | 21.63 | 549 | 76.38 | 1940 |
| 408 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 508 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 412 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 512 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 308 | 008 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
| 312 | 012 | 48.25 | 1226 | 29.88 | 759 | 89.13 | 2263 |
CONTROLS
