START-UP CHECKLIST

A. Preliminary Information

OUTDOOR: MODEL NO.

 

 

SERIAL

NO.

 

INDOOR: AIR HANDLER MANUFACTURER

 

 

 

 

 

 

MODEL NO.

 

 

SERIAL

NO.

 

ADDITIONAL ACCESSORIES

 

 

 

 

 

 

B. Pre-Start-Up

OUTDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

IS THERE ANY SHIPPING DAMAGE?

 

 

 

 

(Y/N)

 

 

 

 

 

IF SO, WHERE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WILL THIS DAMAGE PREVENT UNIT START-UP?

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT?

(Y/N)

 

 

 

HAS THE GROUND WIRE BEEN CONNECTED?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED (Snubber washers are snug, but not tight)?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE THERMOSTAT AND INDOOR-FAN CONTROL WIRING

 

 

 

 

 

 

 

 

 

CONNECTIONS MADE AND CHECKED?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE ALL WIRING TERMINALS (including main power supply) TIGHT?

(Y/N)

 

 

 

 

 

 

HAS CRANKCASE HEATER BEEN ENERGIZED FOR 24 HOURS?

(Y/N)

 

 

 

 

 

INDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?

(Y/N)

 

 

ARE PROPER AIR FILTERS IN PLACE?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT?

(Y/N)

 

 

DO THE FAN BELTS HAVE PROPER TENSION?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

HAS CORRECT FAN ROTATION BEEN CONFIRMED?

 

(Y/N)

 

 

 

 

 

 

 

 

 

PIPING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IS LIQUID LINE SOLENOID VALVE LOCATED AT THE OUTDOOR UNIT AS RECOMMENDED?

(Y/N)

HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR, OUTDOOR COIL, INDOOR COIL, TXV (Thermostatic Expansion Valve), SOLENOID VALVES, FILTER DRIER, REVERSING VALVE, CHECK VALVE, AND FUSIBLE PLUGS WITH A

LEAK DETECTOR?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCATE, REPAIR, AND REPORT ANY LEAKS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED)?

(Y/N)

 

 

HAVE LIQUID LINE SERVICE VALVE AND SUCTION LINE SERVICE VALVE BEEN OPENED?

 

(Y/N)

 

 

IS THE OIL LEVEL IN COMPRESSOR CRANKCASE INTO VIEW IN THE COMPRESSOR SIGHT GLASS?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECK VOLTAGE IMBALANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE-TO-LINE VOLTS:

AB

 

 

 

V

AC

 

 

V

BC

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(AB + AC + BC)/3 = AVERAGE VOLTAGE =

 

 

 

 

V

 

 

 

 

 

 

 

 

 

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =

 

 

 

V

 

 

 

 

 

 

VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) =

 

 

%

 

 

 

 

IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!

 

 

 

 

 

 

CALL LOCAL POWER COMPANY FOR ASSISTANCE.

 

 

 

 

 

 

 

 

 

 

 

CL-1

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Carrier 38AQS008 specifications START-UP Checklist, Preliminary Information, Pre-Start-Up
Page 18 Page 20

38AQS008 specifications

The Carrier 38AQS008 is a high-performance air conditioning unit that stands out for its innovative technology, design, and efficiency. As part of Carrier's extensive line of HVAC solutions, this model is engineered to deliver optimal indoor comfort while minimizing energy consumption.

One of the main features of the Carrier 38AQS008 is its high SEER rating, which signifies exceptional energy efficiency. This rating ensures that consumers can enjoy lower utility bills and reduced environmental impact, making it an ideal choice for eco-conscious homeowners. The unit's advanced cooling technologies work seamlessly to maintain precise temperature control, ensuring a pleasant environment regardless of the season.

The Carrier 38AQS008 employs a variable-speed compressor, which allows the system to adjust its operation based on the cooling demand. Unlike traditional fixed-speed units that operate at a single speed, the variable-speed technology leads to quieter operation, increased efficiency, and improved dehumidification. As the unit operates at lower speeds, it can effectively reduce energy usage when full cooling capacity is not required, further enhancing overall efficiency.

In addition to its potent cooling capabilities, the Carrier 38AQS008 incorporates a robust filtration system that captures airborne particles, dust, and allergens. This feature not only improves indoor air quality but also ensures that the system operates efficiently by maintaining clean coils. Users can enjoy a healthier living space while also prolonging the lifespan of the air conditioning unit.

Another characteristic of the Carrier 38AQS008 is its durable construction, designed to withstand harsh weather conditions. The unit is equipped with a galvanized steel cabinet that offers corrosion resistance, and its compact design allows for easy installation and integration into various home environments.

Moreover, the Carrier 38AQS008 is compatible with smart home technology, allowing users to control their air conditioning system remotely. This feature enhances convenience and efficiency, as homeowners can adjust settings based on their daily routines and preferences.

Meeting rigorous energy performance standards, the Carrier 38AQS008 exemplifies Carrier's commitment to sustainability and customer satisfaction. With its combination of advanced features, reliable performance, and user-friendly technology, this air conditioning unit is a superior choice for those seeking a dependable and efficient cooling solution.
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