Carrier

Dry Contact Programming

OCCUPIED 1 OR SERVICE THE CONDENSATE DRAIN PAN - If Occupied 1 is selected in step #41 (below), when the dry contact is energized the thermostat will be forced into Occupied 1 setpoints and the Occupied 1 icon will blink (Section 6). The thermostat must be in Program On mode for this feature to have any effect.

If Service Pan is selected, when the dry contact is energized the thermostat will lockout Y1 (compressor) and write Service Pan on the display.

MODE

PROGRAM

MODE

Press the MODE button. While holding the MODE, press the PROGRAM button to enter Setup screens.

Press the MODE button repeatedly until this setup screen appears.

Note: Press the MODE button momentarily to move through the setup screens. Press and hold the MODE button to move back- wards through the setup screens.

Step 41 appears only if step 39 is “YES”.

Service Pan

Setup

4 i

Select Service Pan to lockout

 

Y1 when the dry contact is

 

energized. Select Occupied 1

 

 

to enable Occupied 1 setpoints

occupied

 

when the dry contact is

 

energized.

1

 

 

 

Occupied 1

 

 

Press

PROGRAM

16

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.

NOTE: If Service Pan is selected and the dry contact was closed at least once, the Service Pan icon will remain on the display to alert the user that a problem has occurred. This icon will be cleared once a button is pressed.

Occupied 1

Service Pan

 

 

 

 

 

 

 

W2

W1/O/B

MISC1

Y1

RS2

G

MISC3

MISC2

RS+5

CK1

RS1

CKGND

RSGND

R

 

C

Connect wires to a time clock or other device to force the thermostat into Occupied 1.

OR

RS2

G

 

W2

W1/O/B

 

MISC1

Y1

 

MISC3

MISC2

 

RS+5

CK1

 

RS1

CKGND

 

RSGND

R

 

 

C

Connect wires to a device that will complete the circuit betw- een CK1 and CKGND when the

Page 16.3 Condensate Drain Pan is full.

Page 83
Image 83
Carrier 33CS450-01 owner manual Dry Contact Programming, Occupied

33CS450-01 specifications

The Carrier 33CS450-01 is a highly efficient and reliable air conditioning unit that has been designed to meet the cooling needs of residential and light commercial spaces. As a part of Carrier's comprehensive range of HVAC solutions, this model stands out due to its advanced features, energy efficiency, and user-friendly technology.

One of the standout features of the Carrier 33CS450-01 is its remarkable SEER (Seasonal Energy Efficiency Ratio) rating, which indicates high energy efficiency and low operational costs. This makes it an excellent choice for environmentally conscious consumers looking to reduce their carbon footprint while enjoying comfortable indoor conditions.

Equipped with a quiet operation mode, this model ensures that noise levels are kept to a minimum, making for a more peaceful living environment. This is particularly beneficial for homes located in densely populated areas or for individuals sensitive to noise. The compressor design also contributes to the overall silent operation, allowing for a seamless cooling experience without intrusive background noise.

The Carrier 33CS450-01 employs a single-stage compressor, which facilitates straightforward installation and maintenance. The unit is designed for easy access, making service and repairs uncomplicated and hassle-free. Additionally, the model is equipped with a robust cabinet construction that ensures durability and longevity, making it a long-term investment for homeowners.

In terms of technology, the Carrier 33CS450-01 comes with advanced refrigerant management, utilizing environmentally friendly R-410A refrigerant. This not only enhances energy efficiency but also aligns with contemporary environmental standards. The unit is also designed with a precision cooling system that enables it to maintain consistent temperatures across different climates, ensuring optimal performance year-round.

The installation flexibility of the Carrier 33CS450-01 is another attractive feature. It can be easily integrated into existing systems or installed as a standalone unit, making it suitable for various applications. Furthermore, Carrier's commitment to innovation is evident in this model’s design, incorporating features like a protective coil guard and enhanced airflow design that maximizes performance while minimizing energy consumption.

Overall, the Carrier 33CS450-01 offers a winning combination of efficiency, quiet operation, and easy maintenance, making it a top choice for homeowners and businesses looking for dependable cooling solutions.