Carrier 53DFS250-HW- User Manual
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Table of Contents:
- Page 2 – MODEL NUMBER NOMENCLATURE; Voltage; Unit Type; PHYSICAL DATA; AC
- Page 3 – ARI* CAPACITY RATINGS; COOLING ONLY UNDER CEILING; SOUND DATA
- 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
- Page 5 – DIMENSIONS
- Page 6 – PERFORMANCE DATA; COOLING CAPACITIES
- Page 12 – INSTANTANEOUS AND INTEGRATED HEATING RATINGS
- Page 18 – Fresh Air and Ducting; high speed CFM. Air quantities above this level may exceed; POWER VENTILATION KIT AVAILABLE STATIC PRESSURE; ELECTRICAL DATA
- Page 19 – TYPICAL WIRING SCHEMATICS; 8HDR and 40QAC Cooling System Wiring Diagram
- Page 20 – 8QRR and 40QAQ Heat Pump System Wiring Diagram
- Page 21 – TYPICAL PIPING AND WIRING; TYP ICA L INST AL LATIO N — C EILING-SUSP END ED SY ST EMS
- Page 22 – CONTROLS; Sequence of Operation
- Page 23 – HVAC Guide Specifications; SYSTEM DESCRIPTION
40QAC/QAQ
Cooling Only and Heat Pump
Ceiling Suspended Fan Coil
2 to 5 Nominal Tons
Product Data
T h e 4 0 Q A E n erg y -- E fficien t C eilin g S u sp en d ed fan co il
incorporates innovative technology to provide reliable cooling and
heating performance. Built into these units are features most
desired by the industry, including:
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SEER (Seasonal Energy Efficiency Ratio) ratings of up
to 13.0 when matched with Duct Free System
Condensing Units. All models are UL (Underwriters’
Laboratories); UL, Canada; ARI and CEC (California
Energy Commission) listed.
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A wide range of accessories is available to meet a variety
of installation requirements.
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The 40QA series is ideal for applications where there is
no available space above the ceiling and no room to hang
a unit on a wall.
FEATURES / BENEFITS
Technology and Components
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A high--efficiency, four--row heat exchanger has
mechanically expanded copper tubes with continuous
aluminum fins. The coil connections are made of brass.
Fan Motor
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The direct--drive fan has a three--speed permanent split
capacitor motor with built--in thermal protection,
regulated by an electronic thermostat. The motor is
installed on anti--vibration mounts to ensure quiet
operation. The fan blade design ensures uniform airflow
through the heat exchanger.
Air Distribution
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Air distribution provides individual comfort with the
features of horizontal air sweep and vertical deflectors.
The special design of air distribution ensures rapid
blending of the supply and room air. Conditioned air can
be directed in numerous positions, then evenly
distributed throughout the room. Return air enters the
unit through the bottom back of the unit. It is then
cleaned by an easily removable, washable filter.
Controls
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A choice of three different thermostats are available,
suitable for installation on a wall. The solid--state
electronic thermostat is available in Slim Line, Flat Stat,
and a 5--1--1 programmable NP--thermostat. Thermostat
features include:
⎯
Three--speed manual setting
⎯
Automatic changeover
Fast Installation
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Carrier’s compact systems take only a few hours to
install — only wire and piping need to be run. The fast
and easy installation ensures minimal disruption to
customers in the home or workplace.
Built--In Reliability
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Carrier split system units are designed to provide years of
trouble--free operation with features such as freeze
protection and 24--volt controls.
Flexibility
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A variety of accessories make this unit versatile for use
in any applications. Available accessories include: Low
ambient controls, Slim Line thermostat, Flat Stat
thermostat,
Non--Programmable thermostat,
condensate pump, fresh air intake kit, power vent fan
for fresh air intake, and remote room sensor.
Limited Warranty
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One year limited parts
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Summary
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...
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 ---...
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 --- ...
