Comfort-Aire Century Air Handler Heat Pump System

Submittal Data: CXP1518SA-1

System Overview

This document provides submittal data for the Comfort-Aire Century Air Handler Heat Pump System, model CXP1518SA-1. It details the specifications and dimensions for both indoor and outdoor units, as well as performance metrics and installation requirements.

Specifications

Indoor Unit Specifications

Parameter	Value
Dimension (W×D×H)	17.52 x 20.98 x 17.99 inches (445×533×457 mm)
Package (W×D×H)	20.47 x 26.18 x 20.87 inches (520×665×530 mm)
Net/Gross Weight	42/50 lbs (19/22.5 kg)

Outdoor Unit Specifications

Parameter	Value
Compressor Type	ROTARY
Compressor Model	KSN140D58UFZ
Refrigerant	R454B
Refrigerant Oil Charge(mL)	440
Refrigerant Oil	VG74
Outdoor Air Flow (Max)	1,413 CFM
Outdoor Noise Level	54 dBA
Dimension (W×D×H)	31.69 x 12.99 x 21.81 inches (805×330×554 mm)
Package (W×D×H)	36.02 x 14.57 x 24.21 inches (915×370×615 mm)
Net/Gross Weight	66.80/73.41 lbs (30.3/33.3 kg)

Efficiency

Rating	Cooling	Heating
SEER2	16	HSPF2-4
EER2	11.2	COP	/

Performance of Cooling

Parameter	Value
Rated Capacity	18,000 Btu/hr
Min/Max Capacity	5,100~21,100 Btu/hr
Moisture Removal	2.17 L/h
Standard Operating Range (°F/°C)	-13~122 (-25~50)
Rated Cooling Conditions	Indoor: 80°F DB/67°F WB, Outdoor: 95°F DB/75°F WB

Performance of Heating

Parameter	Value
1. @ 47°F Rated Min/Max Capacity	/
2. @ 17°F Rated Capacity / COP	/
3. @ 5°F Rated Capacity	/
Standard Operating Range (°F/°C)	-13~122 (-25~50)
1. Rated Heating Conditions	Indoor: 70°F DB/60°F WB, Outdoor: 47°F DB/43°F WB
2. Rated Heating Conditions	Indoor: 70°F DB/60°F WB, Outdoor: 17°F DB/15°F WB
3. Heating Conditions, Compressor Operating at Max. Frequency	Indoor: 70°F DB/60°F WB, Outdoor: 5°F DB/5°F WB

Electrical Specifications

Parameter	Value
Indoor Power Supply	24V, 60Hz, 1Ph
Indoor MCA	/
Indoor MOP	/
Outdoor Power Supply	208/230V, 60Hz, 1Ph
Outdoor MCA	16
Outdoor MOP	20
Communication Wiring	AWG 20-2
Compressor RLA	12
Outdoor Fan Motor RLA	0.5
Outdoor Fan Motor W	/
Indoor Fan Motor RLA	/
Indoor Fan Motor W	/
System Power Input @ Cooling (W)	1,608 (440~2,300)
System Power Input @ Heating (W)	/
MCA: Min. circuit amps (A)	/
RLA: Rated load amps (A)	/
MOCP: Max. over current protection (A)	/
W: Fan motor rated output (W)	/

Piping Specifications

Parameter	Value
Throttle type (Indoor)	EXV
Throttle type (Outdoor)	/
Liquid Size	9.52mm (3/8in)
Gas Size	19mm (3/4in)
Max. Piping Length (ft/m)	98 (30)
Max. Height Difference (ft/m)	66 (20)
Max. Pre-charged Length (ft/m)	24.6 (7.5)
Refrigerant Pre-charged Amount (oz/kg)	42.33 (1.20)
Additional Charge of Refrigerant ((oz/ft)/(g/m))	0.7 (65)
Connection Method	Flared

Unit Dimensions

Indoor Unit Dimensions

Diagram showing the dimensions of the indoor unit with labels for Model Height (A), Model Width (B), Supply Air Opening Width (C), Return Air Opening Width (D), Condensate Drains Height (E), and Liquid Line Height (F). Specific measurements in inches and millimeters are provided for various models (MXP18/24B1A, MXP18/24A1A, MXP24/36A1A, MXP24/36B1A, MXP24/36C1A, MXP48/60C1A, MXP48/60D1A).

Model/Dimensions	MXP18/24B1A		MXP18/24A1A		MXP24/36A1A		MXP24/36B1A		MXP24/36C1A		MXP48/60C1A		MXP48/60D1A
	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm
A Model Height	18	457	18	457	23-5/16	592	23-9/16	599	24	611	24	611	28	711
B Model Width	17-1/2	445	14-1/2	368	14-1/2	368	17-1/2	445	21	534	21	534	24-1/2	622
C Supply Air Opening Width	16-3/16	411	13-1/4	336	13-1/4	336	16-3/16	411	19-3/4	502	19-3/4	502	23-1/4	591
D Return Air Opening Width	14-5/16	380	11-15/16	303	11-15/16	303	14-15/16	380	19-1/2	498	19-1/2	498	23-1/8	587
E Condensate Drains Height	1-7/16	38	1-7/16	38	1-7/16	38	1-7/16	38	2-3/16	55	2-3/16	55	2-3/16	55
F Liquid Line Height	11-3/8	290	11-3/8	290	17-5/16	455	16-3/8	417	17-1/2	445	17-1/2	445	21-7/16	545

Outdoor Unit Dimensions

Diagram showing the dimensions of the outdoor unit with labels for overall width (W3), width (W), width (W1), height (A), and depth (D). Key connection points for refrigerant lines and electrical connections are also indicated.

Detailed measurements are provided for various dimensions, including:

Height (A): 21-3/4in (554mm)
Depth (D): 13in (330mm)
Width (W): 31-3/4in (805mm)
Width (W1): 34-3/8in (874mm)
Width (W3): 32-1/8in (815mm)
Various other connection and component dimensions are also listed in inches and millimeters.

Installation Instructions for Outdoor Unit

Diagram illustrating recommended clearances around the outdoor unit for proper operation and maintenance. Clearances include:

4 inches (100mm) or more on the sides and rear.
20 inches (500mm) or more on the front and sides when any 2 sides of the left, right, and rear of the unit are clear.
20 inches (500mm) or more when front and sides of the unit are clear.
14 inches (350mm) or more on the rear.

Note: The unit meets all spatial requirements shown in the Installation Clearance Requirements above. ☑

Features

Multi-position installation: horizontal (left or right), vertical (up or down).
Aluminum Coil.
R454B refrigerant sensor.
Easy Maintenance.
Multiple control options available:

Two-way communication wired controller with built-in WiFi: 120N(X6W).
Third-Party 24V Thermostat.

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