Omnizone™ Constant Volume Water-Cooled Cooling Unit 50XCW Indoor Self-Contained Unit with Puron® (R-410A) Refrigerant 5 to 20 Nominal Tons: 马来西亚的首选 United Faith Sdn Bhd

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ndoor Self-Contained Unit with Puron® (R-410A) Refrigerant

5 to 20 Nominal Tons

The 50XCW indoor water-cooled packaged units are designed for vertical installation with multiple return air and supply air configurations. These units provide a practical and economical approach to comfort conditioning requirements in replacement, renovation, and new construction applications.

Performance Features

Capacities of 5, 7½, 10, 12, 15, and 20 tons
ASHRAE 90.1 compliant
Rear filter rack to support 1-in. or 2-in. filters
TXV (thermostatic expansion valve) controlled
Two-stage capacity control on sizes 12 to 24
Sizes 12 to 24 have two compressors on independent circuits
Brazed-plate style heat exchanger rated at 400 psig water-side working pressure
Adjustable belt drive centrifugal evaporator fan
Built-in 24-volt control system
R-410A refrigerant
Positive sloped stainless steel drain pan
Fully insulated unit including full acoustical insulation on compressor section
Freezestat

Reliability Features

Aluminum fin/copper tube coils
Painted weather-resistant cabinet meets 500-hour salt spray requirements
Scroll compressors with internal overload protection
Adjustable belt-drive fan motors
3-phase evaporator-fan motors with internal thermal protection
Condensate drain connections on right side of unit
High and low pressure switches on each compressor
Cycle-LOC™ lockout relay and 5-minute short cycle protection on each circuit
Unit is ETL and ETL, Canada certified
Manufactured in an ISO 9000 certified factory

Maintenance Features

Replaceable filter drier on each refrigerant circuit
Filter rack for 1-in. or 2-in. disposable filters
Ducted or free return connections
All service can be done through unit front or side panels
Same filter rack can be used for free or ducted return
Permanently lubricated TEFC (totally enclosed fan cooled) evaporator and condenser fan motors

Installation Features

Shipped with R-410A charge
Ducted or free return connections
Evaporator fan is shipped in vertical discharge configuration
Flanges provided on condenser and evaporator inlet and outlet
Single point electrical connection

Field-Installed Accessories

Accessory louvered discharge assembly
Hot water or steam coil
Low, medium, and high static fan and drive packages
Head pressure control
Two speed evaporator fan (size 12-24)
Thermostats and controls

50XCW/09XC AHRI Capacity Ratings

Size	Nominal Capacity (Tons)	Evaporator Airflow (Cfm)	Net Cooling Capacity (Btuh)	Total Power (kW)	EER	IEER
06	5	1875	66000	5.0	13.3	13.7
08	7.5	2625	78000	6.5	12.0	13.5
12	10	3500	134000	9.2	14.6	17.2
14	12	4200	138000	8.6	16.1	15.6
16	15	5250	176000	11.4	15.4	18.6
24	20	7000	242000	17.9	13.5	14.6

AHRI = Air Conditioning, Heating and Refrigeration Institute
EER = Energy Efficiency Ratio
IEER = Integrated Energy Efficiency Ratio

1. Unit is tested in accordance with AHRI standard 340/360.

50XCW Weights and Dimensions

Size	Shipping Weight (lbs)	Width (in)	Height (in)	Depth (in)
06	642	53.1	57.0	29.0
08	824	53.1	57.0	29.0
12	1026	68.0	64.0	31.2
14	1119	68.0	64.0	31.2
16	1125	88.0	66.7	31.2
24	1712	88.0	70.8	31.2

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