Carrier 53DFS250-HW- Manuals

Page 2 - MODEL NUMBER NOMENCLATURE; Voltage; Unit Type; PHYSICAL DATA; AC

2 MODEL NUMBER NOMENCLATURE Voltage Cooling Capacity (nominal) 024 = 2 Tons036 = 3 Tons048 = 4 Tons060 = 5 Tons 40 QAC 024 311 Series Designation Indoor Fan Coil Unit Type QAC - Under Ceiling Cooling Only QAQ - Under Ceiling Heat Pump 311 - 208/230-1-60 321 - 208/230-1-60 331 - 208/230-1-60 A07245 P...

Page 3 - ARI* CAPACITY RATINGS; COOLING ONLY UNDER CEILING; SOUND DATA

3 ARI* CAPACITY RATINGS COOLING ONLY UNDER CEILING INDOOR UNIT OUTDOOR UNIT ARI CAPACITY (Btuh) EXPANSION DEVICE INDOOR SEER 40QAC024 --- 3 38HDR018 --- 3 18,000 TXV 13.0 40QAC024 --- 3 38HDR024 --- 3 23,000 40QAC036 --- 3 38HDR030 --- 3 29,000 40QAC036 --- 3 38HDR036 --- 3, 5, 6 33,000 40QAC048 ---...

Page 4 - ACCESSORIES; FIELD INSTALLED ACCESSORIES; Slim Line Thermostat; backlight, locking keypad and a large LCD display. (Slim Line; Flat Stat thermostat; backlight, locking keypad and a large LCD display that is mounted; Fresh air intake kit; provides up to 30% of outdoor air to be supplied to the; Remote Room Sensor Kit

4 ACCESSORIES Ordering Number Description Models Used On 53DFS250 --- SL Thermostat – Slim Line 7 --- Day Programmable All 40QAC & QAQ 53DFS250 --- FS Thermostat – Flat Stat 7 --- Day Programmable All 40QAC 53DFST2 --- NP Thermostat – Super T2 5 --- 1 --- 1 Commercial All 40QAC 53DS --- 900 --- ...

Page 5 - DIMENSIONS

5 DIMENSIONS Notes:1. Dimensions in [ ] are in millimeters. 2. Direction of airflow. 3. Standard unit clearances are as follows: S 0 in. on top and rear S 3 in on left side S 12 in. on right side S 36 in. on bottom (When facing unit discharge) UNIT SIZE WEIGHT (lb) A B E F G Cooling Only Heat Pump f...

Page 6 - PERFORMANCE DATA; COOLING CAPACITIES

6 PERFORMANCE DATA COOLING CAPACITIES 40QAC024 WITH 38HDR018 Temp ( _ F) Air Entering Condenser (Edb) Air Entering Evaporator --- Cfm/BF 320/0.02 400/0.03 500/0.03 Air Entering Evaporator --- Ewb _ F ( _ C) 57 (13.4) 62 (16.7) 67 (19.4) 72 (22.3) 57 (13.4) 62 (16.7) 67 (19.4) 72 (22.3) 57 (13.4) 62 ...

Page 12 - INSTANTANEOUS AND INTEGRATED HEATING RATINGS

12 PERFORMANCE DATA (CONT.) INSTANTANEOUS AND INTEGRATED HEATING RATINGS 40QAQ024 WITH 38QRR018 Air Temperature Entering Indoor Unit ( _ F) Indoor Airflow (CFM) L --- M --- H Item Air Temperature Entering Outdoor Coil _ F ( _ C) 17 ( --- 8.3) 27 ( --- 2.8) 37 (2.8) 47 (8.3) 57 (13.9) Instant. Integr...

Page 18 - Fresh Air and Ducting; high speed CFM. Air quantities above this level may exceed; POWER VENTILATION KIT AVAILABLE STATIC PRESSURE; ELECTRICAL DATA

18 PERFORMANCE DATA (CONT.) Fresh Air and Ducting The ceiling--suspended fan coil units may bring in up to 30% freshair. The percentage of air allowable is calculated based on the unit high speed CFM. Air quantities above this level may exceed compressor maximum saturated suction temperatures. A pow...

Page 19 - TYPICAL WIRING SCHEMATICS; 8HDR and 40QAC Cooling System Wiring Diagram

19 TYPICAL WIRING SCHEMATICS NOTES:1. If any of the original wire furnished must be replaced, it must be replaced with type 90° C wire or its equivalent. 2. Wire in accordance with National Electrical Code, NEC) and all local codes.3. Transformer is thermally protected and will reset automatically.4...

Page 20 - 8QRR and 40QAQ Heat Pump System Wiring Diagram

20 TYPICAL WIRING SCHEMATICS (CONT.) NOTES:1. If any of the original wire furnished must be replaced, it must be replaced with type90° C wire or its equivalent. 2. Wire in accordance with National Electrical Code, NEC) and all local codes. 3. Transformer is thermally protected and will reset automat...

Page 21 - TYPICAL PIPING AND WIRING; TYP ICA L INST AL LATIO N — C EILING-SUSP END ED SY ST EMS

21 TYPICAL PIPING AND WIRING LEGEND *Standard. †Accessory item. **Field supplied. ††Insulate for heat pump application. — Phase NEC — National Electrical CodePipingLine Voltage24 VThermistor NOTES:1. All piping must follow standard refrigerant piping techniques.2. All wiring must comply with the app...

Page 22 - CONTROLS; Sequence of Operation

22 CONTROLS Sequence of Operation Automatic air sweep All under--ceiling units are equipped with an automatic air sweep feature, which automatically directs the airflow louvers up anddown to provide optimum room air circulation. If the automatic sweep feature is not desired, temporarily start the au...

Page 23 - HVAC Guide Specifications; SYSTEM DESCRIPTION

23 GUIDE SPECIFICATIONS 40QAC/QAQ CEILING--SUSPENDED COOLING ONLY UNITS Commercial Air--Cooled Condensing Units HVAC Guide Specifications Size Range: 2 to 5 Tons, Cooling Capacity Part 1 -- General 1.01 SYSTEM DESCRIPTION Indoor, direct expansion, ceiling--suspended fan coil. 1.02 QUALITY ASSURANCE ...

Carrier 53DFS250-HW- Manuals

Manuals:

User Manual Carrier 53DFS250-HW

Summary

Carrier Manuals