User Defined Set Points | Carrier 48EY024-068, 48EW, 48AW, 48EK, 48AK

Table 35 — User Defined Set Points

SET POINT	FORMAT	DESCRIPTION	LIMITS	DEFAULT
NAME	FORMAT	DESCRIPTION	LIMITS	DEFAULT
NAME
OHSP	xx.xF	Occupied Heat Set Point	55 to 80 F	68 F
OCSP	xx.xF	Occupied Cool Set Point	55 to 80 F	78 F
UHSP	xx.xF	Unoccupied Heat Set Point	35 to 80 F	55 F
UCSP	xx.xF	Unoccupied Cool Set Point	75 to 110 F	90 F
SASP	xx.xF	Supply Air Set Point	45 to 70 F	55 F
OATL	xx.xF	Hi OAT Lockout Temperature	55 to 75 F	65 F
NTLO	xx.xF	Unoccupied OAT Lockout Temperature	40 to 70 F	50 F
RTIO	xx.x	Reset Ratio	0 to 10	3
LIMT	xx.xF	Reset Limit	0 to 20° F	10° F
MDP	xxx%	Minimum Damper Position	0 to 100%	20%
LOWMDP	xxx%	Low Temperature Minimum	0 to 100%	100%
LOWMDP	xxx%	Damper Position Override	0 to 100%	100%
		Damper Position Override
IAQS	xxxx	IAQ Set Point	1 to 5000 PPM	650 PPM
UHDB	xx.xF	Unoccupied Heating Deadband	0 to 10° F	1° F
UCDB	xx.xF	Unoccupied Cooling Deadband	0 to 10° F	1° F
LTMP	xxx%	Low Temp. Min. Position	0 to 100%	10%
HTMP	xxx%	High Temp. Min. Position	0 to 100%	35%
PES1	xxx%	CV Power Exhaust Stage 1 Point	0 to 100%	25%
PES2	xxx%	CV Power Exhaust Stage 2 Point	0 to 100%	75%
LEGEND
CV — Constant Volume
IAQ — Indoor Air Quality
OAT — Outdoor-Air Temperature

Table 36 — Software Control Link Points

SET POINT	DESCRIPTION	SET POINT	DESCRIPTION
			CV Data
SPT	Space Temperature	HS2	Heat Stage 2
SAT	Supply-Air Temperature	STO	Space Temp. Offset
RAT	Return-Air Temperature	CVPE1	CV Power Exhaust Stg 1
OAT	Outside-Air Temperature	CVPE2	CV Power Exhaust Stg 2
CLSP	Control Set Point		VAV Data
CCAP	Cooling % Total Capacity	HIR	Heat Interlock Relay
HCAP	Heating % Total Capacity	SPTRESET	Space Temp. Reset
ECOS	Economizer Active	CMP1	Compressor 1
SFSTAT	Supply Fan Status	CMP1SAFE	Compressor 1 Safety
SF	Fan Relay	CMP2	Compressor 2
ECONPOS	Economizer Position	CMP2SAFE	Compressor 2 Safety
IQMP	Min. Damper Position	ULD1	Unloader 1
PEXE	Power Exhaust Enable	ULD2	Unloader 2
FLTS	Filter Status	OFC1	Outdoor Fan 1
FAS	Field Applied Status	OFC2	Outdoor Fan 2
RMTOCC	Remote Occupied Mode	Y1	Y1 — Call for Cool 1
	General Data	Y2	Y2 — Call for Cool 2
HS1	Heat Stage 1	W1	W1 — Call for Heat 1
ENTH	Enthalpy	W2	W2 — Call for Heat 2
IAQI	Indoor Air Quality	G	G — Call for Fan
IAQO	Outdoor Air Quality	CDEVCODE	CONQUEST DEVICE CODE
SATRES	SAT Reset	CDEVURST	CONQUEST UNIT RESET
ALMLIGHT	Alarm Warning Light	CDEVBCAK	CONQUEST BROADCAST ACK
DL	Demand Limit Switch	PE1	Mod. Power Exhaust Stg 1
EVAC	Evacuation	PE2	Mod. Power Exhaust Stg 2
PRES	Pressurization	PE3	Mod. Power Exhaust Stg 3
PURG	Smoke Purge	PE4	Mod. Power Exhaust Stg 4
FSD	Fire Shutdown	PE5	Mod. Power Exhaust Stg 5
		PE6	Mod. Power Exhaust Stg 6
LEGEND

CV — Constant Volume

VAV — Variable Air Volume

48EJ, 48AJ, 48AK, 48EK, 48AY020-060 specifications

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 are cutting-edge rooftop air conditioning units designed for commercial applications. These models are renowned for their reliability, energy efficiency, and innovative technologies aimed at providing optimal indoor comfort.

One of the standout features of these units is their advanced cooling and heating capabilities. They employ a multi-stage compressor system that allows for precise temperature control, accommodating various load requirements. This flexibility is particularly beneficial in commercial settings where the cooling load can fluctuate throughout the day.

Energy efficiency is paramount in today’s environmental landscape, and Carrier has ensured that these models meet stringent efficiency standards. They incorporate high-efficiency scroll compressors, which significantly reduce energy consumption while delivering powerful performance. The units are also equipped with variable speed fans that adjust airflow based on demand, further optimizing energy use.

In terms of construction, these rooftop units feature a robust design that enhances durability and longevity. The cabinet is constructed to withstand harsh weather conditions, ensuring reliable performance year-round. Additionally, the units are equipped with corrosion-resistant coatings, particularly useful in coastal environments where salt exposure can be a concern.

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY models utilize advanced controls and connectivity features, allowing for easy integration into building management systems. This connectivity enables remote monitoring and control, facilitating quick response to changing conditions and simplifying maintenance tasks.

Noise reduction is another key characteristic of these models. They are designed with sound-absorbing insulation and low-noise fan blades to ensure quiet operation, making them suitable for noise-sensitive environments such as schools and hospitals.

These units are also available with various options for air filtration and dehumidification. The use of high-efficiency air filters enhances indoor air quality by trapping dust, pollen, and other airborne particles. Enhanced dehumidification capabilities ensure that spaces remain comfortable even in humid conditions.

In conclusion, the Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 rooftop units are engineered to offer exceptional performance, energy efficiency, and durability. With their advanced technologies and user-friendly features, they stand out as reliable solutions for meeting diverse commercial cooling and heating needs, making them a popular choice for many businesses.

Carrier 48EY024-068, 48EW, 48AW, 48AY020-060 User Defined Set Points, Software Control Link Points

Models: 48EJ 48AJ 48AK 48EK 48AY020-060 48AW 48EY024-068 48EW

Table 35 — User Defined Set Points

PES2

Table 36 — Software Control Link Points

48EJ, 48AJ, 48AK, 48EK, 48AY020-060 specifications