Downturn Nozzle Kit Instructions

ManualsBrandsReznor ManualsHeating SuppliesPower Vented Gas Fired Unit Heater - 350,000 BTU

Table Of Contents

Revision: CP-UB-UD-UEZ-DN (03-21) 1036421-0

DOWNTURN NOZZLE KIT INSTALLATION FOR UNIT HEATERS

Supersedes: — (Original Version)

OPTIONS CD2, CD3, CD4, AND CD5 FOR MODELS UBX, UBZ, UDX, UDZ, AND UEZ

Downturn nozzles are designed to direct the discharge air in a more vertical ﬂow. Ensure that all components listed

in Table 1 are available before beginning installation.

⚠ DANGER ⚠

• Improper installation, adjustment, alteration, service, or maintenance can cause property

damage, injury, or death. Read the installation, operation, and maintenance instructions

thoroughly before installing or servicing this equipment.

• Installation should be done by a qualiﬁed agency in accordance with these instructions and

in compliance with all codes and requirements of authorities having jurisdiction.

DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

Table 1. Downturn Nozzle Assembly Components

Option Component

Unit Size (UBX, UBZ, UDX, UDZ) Unit Size (UEZ)

030, 045 060, 075 100, 125 150, 175, 200 225, 250 300, 350, 400 130, 180 260, 310

Kit Packages

CD2

Kit package, UBX/UDX 1036261 1036262 1036263 1036264 1036265 1036266

—

Kit package, UBZ/UDZ 1036267 1036268 1036269 1036270 1036271 1036272

Kit package, UEZ — — 1036270 1036272

CD3

Kit package, UBX/UDX 1036273 1036274 1036275 1036276 1036277 1036278

—

Kit package, UBZ/UDZ 1036279 1036280 1036281 1036282 1036283 1036284

Kit package, UEZ — — 1036282 1036284

CD4

Kit package, UBX/UDX 1033921 1033921 1033921 1034669 1034669 1034670

—

Kit package, UBZ/UDZ 1036291 1036292 1036293 1036294 1036295 1036296

Kit package, UEZ — — 1036297 1036296

CD5

Kit package, UBX/UDX 1036306 1036307 1036308 1036309 1036310 1036311

—

Kit package, UBZ/UDZ 1036312 1036313 1036314 1036315 1036316 1036317

Common Parts

CD2,

CD3,

CD4

Nozzle section, right side*

1033918 1034681 1034682 1034683 1034684 1034685 1034683 1034685

Nozzle section, left side*

1033917 1034676 1034677 1034678 1034679 1034680 1034678 1034680

Nozzle section, top*

1033919 1034671 1034672 1034673 1034674 1034675 1034673 1034675

Nozzle blockoff, UBX/UDX 1036215 1034686 1036205 1036206 1036207 1036208

—

Nozzle blockoff, UBZ/UDZ 1036209 1036210 1036211 1036212 1036213 1036214

Nozzle blockoff, UEZ — — 1036212 1036214

Nozzle section, bottom*

1033921 1034669 1034670 1034669 1034670

CD5

Nozzle section, right side*

1033918 1034681 1034682 1034683 1034684 1034685

—

Nozzle section, left side*

1033917 1034676 1034677 1034678 1034679 1034680

Nozzle section, top*

1033919 1034671 1034672 1034673 1034674 1034675

Nozzle blockoff, UBX/UDX 1036215 1034686 1036205 1036206 1036207 1036208

Nozzle blockoff, UBZ/UDZ 1036209 1036210 1036211 1036212 1036213 1036214

Nozzle section, bottom*

1033921 1034669 1034670

Kit-Speciﬁc Parts

CD3

Blockoff panel

1033920 1036216 1036217 1036218 1036219 1036220 1036218 1036220

CD5 1033920 1036216 1036217 1036218 1036219 1036220 —

CD4

Vertical louver frame

1028413 1028433 1028443 1033695 1033715 1033728 1033695 1033728

CD5 1028413 1028433 1028443 1033695 1033715 1033728 —

CD4

Vertical louver

1028418** 1028434** 1028441** 1033904*** 1033961*** 1033730*** 1033904*** 1033730***

CD5

1028418** 1028434** 1028441** 1033904*** 1033961*** 1033730***

—

*Quantity is two (2) for options CD3 and CD5. All other quantities are (1) unless otherwise indicated.

**Quantity is ﬁve (5).

***Quantity is eight (8).

Summary of content (4 pages)

PAGE 1
Revision: CP-UB-UD-UEZ-DN (03-21) 1036421-0 Supersedes: — (Original Version) DOWNTURN NOZZLE KIT INSTALLATION FOR UNIT HEATERS OPTIONS CD2, CD3, CD4, AND CD5 FOR MODELS UBX, UBZ, UDX, UDZ, AND UEZ Downturn nozzles are designed to direct the discharge air in a more vertical flow. Ensure that all components listed in Table 1 are available before beginning installation. Table 1.
PAGE 2
INSTALLATION NOTES: • Models UDX and UDZ are designed for either two- or four-point suspension. Models UBX, UBZ, and UEZ are designed for four-point suspension. • Before installing a downturn nozzle, ensure that the unit is installed with four-point suspension in accordance with the installation manual provided with the unit and ensure that the location provides sufficient clearance for nozzle option being installed. Install the downturn nozzle kit as follows: 1.
PAGE 3
FACE PLATE ASSEMBLY LOUVER FRAME FACE PLATE Figure 2. Typical Face Plate Assembly and Louver Frame 5. If installing option CD4 or CD5, position louver frame (see Figure 2) in face plate outlet so that holes align and secure frame to face plate using screws from kit. 6. Position downturn nozzle assembly in face plate so that holes align and secure nozzle to face plate using screws from kit. 7. Install nozzle blockoff (see Figure 1) and secure to face plate using screws from kit. 8.
PAGE 4
INSTALLATION—CONTINUED COMPRESSION SPRING COMPRESSION SPRING Figure 3. Louver Installation 13. Install horizontal louvers removed in step 3. ⚠ WARNING ⚠ To avoid burns, adjust louvers while heater is not in operation. If louvers must be adjusted while heater is operating, wear protective gloves. 14. Adjust horizontal and vertical louvers to provide desired throw pattern. 15. Turn ON gas and electric power. 16. Light heater in accordance with lighting instructions. 17. Check for proper operation.