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Form I-RDF, P/N 148384 (Rev 1), Page 25

STEP

 2

STEP 3

Installation STEPS for ITEMS 1
and 3 in the Table on page 24

Remove

sheetmetal

screws

Slip

Groove

Remove

sheetmetal

screws

Outside

Air Hood

or Filter

Cabinet

Assembly and
Installation Instruc-
tions for ITEM 2 in
the Table on page 24

Option AS2, Outdoor
Screened Air Hood without
Filters - Pkg P/N 71150

Option AS6, Outdoor
Screened Air Hood with 1"
Filters - Pkg P/N 71152

Option AS7, Outdoor
Screened Air Hood with 2"
Filters - Pkg P/N 72627

(See Paragraph 6
for dimensions.)

Option Components (qty in parenthesis)

AS2

AS6

AS7

Top of Inlet Hood Cabinet Section
Top of Inlet Hood
Clamp for Top Seam (Hood to Cabinet)
Bottom of Hood Cabinet Section
Supports (2 pieces per leg)
Left Side of Hood
Right Side of Hood
Intermediate Posts - Cabinet Section
Rt/Lft Corner Post - Cabinet Section
Doors (Filter Access on AS6 and AS7)
Center Louver Top/Bottom Supports
Factory-assembled Louver Sections w/Screen
Top and Bottom Filter Channels

N/A

(2) 91580

(2) 94224

Pre-assembled Center Filter Channels

N/A

(5) 91586

(5) 94223

Top/Btm Filter Block Off Plate

N/A

(2) 91584

(2) 98764

Filter Block Off Sections

N/A

(6) 95335

(6) 96335

Permanent Filters (12)

N/A

1", 87251

2", 94383

Sheetmetal Screws #10 x 1/2" long
Screws 1/4-20 x 5/8" long (bolt type)
Hex Nuts 1/4-20 (Keps)
Sheetmetal Screws #14-110 x 3/4" long
Tinnerman Clip, Palnut #PW-1880-008-21

(1) 91575
(1) 91576
(1) 91577
(1) 91567
(6) 91581
(1) 91568
(1) 91569
(2) 91578
(2) 91579
(2) 91585
(2) 91582

(2) 113003

(5) 87900

(100) 11813

(15) 10393

(15) 7328
(3) 41463

1) Remove the sheetmetal

screws from the bottom rear
inset and across the top rear
of the cabinet.

2) Align edges of assembly to

the slip grooves. Slide top
edge of assembly under the
lip formed by the top rear of
the cabinet.

3) Rotate the inlet assembly so

that it fits into the recess
across the bottom of the
cabinet. Replace all screws
removed in Step 1.

4) If the system has filters with

an optional dirty filter light,
follow the instructions
beginning on page 11 to
attach the sensing tubes.

Weights and Filter Sizes

AS6, AW3 AS7, AW6

Filter Size

lbs

kg

lbs

kg

lbs

kg

lbs kg lbs

kg

1-20, 1-40, 1-50, 1-65

3

12x35x1

12x35x2 225 102 250 113 270 122 100 45 120 54

4

12x35x1

12x35x2

4

12x24x1

12x24x2

3-180, 3-260

12

12x35x1

12x35x2 400 181 450 204 490 222 200 91 240 109

AS7

Fltr 

Qty

Model Sizes

AS2

AS6

150 68 180 82

310

2-80, 2-120

AW3

AW6

141 350 159 380 172

Содержание RDF 1-20-3

Страница 1: ...tem provides tempered makeup air Makeup air is defined as air that enters a building or area due to negative pressure created by an air exhaust load in excess of the volume of entering air This system...

Страница 2: ...account through standard engineering methods the structure s designed infiltration rate by providing properly sized relief openings by interlocking a powered exhaust system or by a combination of thes...

Страница 3: ...e Sensor Option AR32 Toggle Switch Option AR36 Photohelic Pressure Sensor Option AR37 Photohelic Pressure Sensor If an optional remote console is ordered these controls are mounted on the console The...

Страница 4: ...al to the width of the unit Top View Control Side Front View Rear View A Full Length of Outside of Curb Cap D Inside of Curb Cap Z Y B Cabinet Height 2 5 8 67 Control Compartment Blower Compartment Su...

Страница 5: ...88 37 1 8 44 3 16 84 13 16 45 1 2 24 1 2 10 1 2 5 7 16 14 9 32 15 5 8 21 29 32 19 1 8 2 80 3 2 120 3 88 48 11 16 68 1 4 84 13 16 69 1 2 52 16 1 4 5 5 16 10 15 16 15 1 2 27 9 32 27 7 32 3 180 3 3 260...

Страница 6: ...placed directly on a surface cross supports should be placed underneath the rails at the ends and at the cabinet joint Refer to FIGURE 4 IMPORTANT NOTE Mount an outdoor unit with a minimum of 14 clear...

Страница 7: ...8 1 7 8 48 1 7 8 48 Roof Curb Ductwork for Bottom Discharge Option AQ1 or AQ3 Roof Curb Ductwork for Optional Return Air Airflow See IMPORTANT NOTE on the left Roof Curb Dimensions for Model RDF Serie...

Страница 8: ...tolerance of 1 8 5 Level the roof curb To ensure a good weatherproof seal between the unit curb cap and the roof curb the roof curb must be leveled in both direc tions with no twist end to end Shim as...

Страница 9: ...system is automatically controlled to maintain a set building pressure the en tering air will travel naturally toward the relief areas at the perimeter walls using the building structure as the distr...

Страница 10: ...the type of construction of the roof wood joist steelbar joist steel truss pre cast concrete etc and the ceiling hung flush etc o Rectangular ducts should be constructed of not lighter than No 26 U S...

Страница 11: ...er Light and Potentiometer If ordered the optional remote console is shipped separately Re mote consoles include terminal blocks for wiring Depending on what gas control or inlet air options were orde...

Страница 12: ...normally open differential pressure switch that senses air pressure across the filter bank There are field installation procedures that must be done for the proper operation of the dirty filter indic...

Страница 13: ...valve will not open If the actual temperature of the outside air is above the setpoint on the outside air control the burner will not ignite may modulate to satisfy discharge setting would shutdown co...

Страница 14: ...t this switch The pressure null switch is Dwyer 1460 0 with a range of 01 12 w c The pressure null switch is a diaphragm operated differential pressure switch used in makeup air applications to contro...

Страница 15: ...n AR33 or AR34 and or with Gas Control Option AG37 or AG51 If the system includes Air Control Option AR33 the discharge damper is con trolled by a field supplied 0 10VDC or 4 20 milliamp signal If the...

Страница 16: ...dance with the requirements of the National Fuel Gas Code ANSI Z223 1 latest edition or CAN1 B149 1 and B149 2 Gas supply piping installation must conform with good practice and with all local codes R...

Страница 17: ...te on a natural gas pilot supply pressure of 3 5 w c or propane gas of 6 0 w c Measure both operating pressure and pilot supply pressure with the blower in operation Manifold pressure is defined as th...

Страница 18: ...ocedure in Paragraph 13 Motor Loads Use an ammeter to check motor amps Amps may be adjusted downward by reducing blower RPM or by increasing duct system static pres sure For accurate amps read the mot...

Страница 19: ...k Test Start FIGURE 26 Control Locations in the Electrical Compartment RDF Series 3 Direct Fired Systems NOTE Locations may not be identical but controls should be smilar Check Test Startup Procedures...

Страница 20: ...oIf equipped with any manually reset devices such as an optional firestat limit switch a high limit switch and or optional high gas pressure switch reset devices Check setpoint on the high ambient bu...

Страница 21: ...oosen the setscrew on the side of the pulley away from the motor c Turn adjustable half of the pulley inward to increase blower speed One turn of the pulley will change speed 8 to 10 d Tighten the set...

Страница 22: ...er 2 Model No AG3 Two Stage with Two Stage Ductstat MV 7 Serial No AG30 orAG31 Maxitrol Series 14 Outside Air Only Amplifier A1014 MV 8 Serial No AG32 Maxitrol Series 14A Outside Air Only Amplifier A1...

Страница 23: ...k the main burner inlet gas pressure If the main inlet gas pressure is lower than stated on the rating plate full burner firing rate will not be achieved Check main gas supply service regulator for ad...

Страница 24: ...irements in the installation codes and operating instructions The amount of air over the burner must be within the specified range The burner profile plates are set at the factory to match CFM require...

Страница 25: ...ate N A 2 91584 2 98764 Filter Block Off Sections N A 6 95335 6 96335 Permanent Filters 12 N A 1 87251 2 94383 Sheetmetal Screws 10 x 1 2 long Screws 1 4 20 x 5 8 long bolt type Hex Nuts 1 4 20 Keps S...

Страница 26: ...inet Post Bottom Filter Channel with Blockoff Plate assembled in 1B P N 91578 Intermediate Cabinet Post Center Channel Assy Step 1C Assemble Outer Side of Filter Rack Options AS6 and AS7 only Parts Re...

Страница 27: ...tach Assembled Cabinet Section 4 Assemble Air Inlet Hood Section P N 91569 Right Side of Hood P N 91568 Left Side of Hood Step 4A Attach Hood Sides Attach the sides to the interme diate posts and bott...

Страница 28: ...er Louver Supports Step 4E Install Louvers Parts Required Two factory assembled louver sec tions 19 screws 1 2 long and five Tinnerman clips Position one louver section in the left side of the hood at...

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