Right Hood

Side Panel

Hood Top Panel

Left Hood

Side Panel

Hood

Divider

604D-- -- A

A09700

Fig. 33 - Hood Assembly

A09701

Fig. 34 - Economizer Hood Installation

11.Open the filter clips on the inside of the hood top. Insert the aluminum filter into the hood and close the clips to hold in place. See Fig. 35.

12.To replace air filters, open filter access door remove old filters and install new disposable filters in filter rack. See Table 14 for filter part numbers.

IMPORTANT: On the the bent coil (See Fig. 36 to determine coil type) filter rack, the 18 x 24 x 1 (257.2mm x 609.6mm x25.4mm) filter must be installed through the filter access door first then install the 16 x 24 x 1 (406.4mm x 609.6mm x 25.4mm) filter.

NOTE: The economizer control settings and the filters are accessible through the filter access door.

Table 14 – Filter Part Number

 

DESCRIPTION

PART NUMBER

 

 

 

 

 

 

14 x 24 x 1

KH01AA314

Straight Indoor

 

(355.6 x 609.6 x 25.4 mm)

 

 

Coil Air Filter

 

16 x 24 x 1

KH01AA316

 

 

(406.4 x 609.6 x 25.4 mm)

 

 

 

 

 

 

 

 

 

16 x 24 x 1

KH01AA316

Bent Indoor

 

(406.4 x 609.6 x 25.4 mm)

 

 

Coil Air Filter

 

18 x 24 x 1

KH01AA318

 

 

(457.2 x 609.5 x 25.4 mm)

 

 

 

 

 

 

 

13.Economizer controls are set to a standard factory setting. Nevertheless, you can adjust these settings through the filter access door. Review the settings in the Operation section:

(1.) The standard economizer controller has a factory setting of “C” for the outdoor air temperature changeover and 63_F (17_C) for the supply air (mixed air) temperature sensor. The outdoor air temperature changeover setting is adjusted on the sensor by setting the dip switches on the sensor. The ABCD potentiometer on the economizer control should be set to the “D” position.

(2.) The low ambient compressor lockout switch setting is fixed at 42_F (5.6_C).

(3.) The minimum position for the outdoor air damper can be configured at the controller. When not using a CO2 sensor, the DCV Max potentiometer must be completely closed (CCS) for the Minimum Posi- tion potentiometer to function correctly.

(4.) Settings for the optional outdoor enthalpy sensor, indoor enthalpy sensor, and CO2 sensor can also be configured at the controller.

14.Replace the filter access panel. Screw in place ensuring all seams are air and watertight.

15.Install all economizer accessories then power HVAC unit and test cycle economizer.

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Bryant 604D--A installation instructions Hood Assembly

604D--A specifications

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