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©2019 Lennox Industries Inc. Dallas, Texas, USA
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
IMPORTANT
Read all of the information in this manual before using
this accessory. All wiring must conform to local and na-
tional building and electrical codes and ordinances.
VRF
INSTALLATION
INSTRUCTIONS
V8V33B001-3P
VRF Systems -- V33B High Efficiency Filter Accessory
507953-01
04/2019
General
The V33B High Efficiency Filter accessory V8V33B001-
3P (18F53) is for use in applications with a 3rd-party, high
MERV-rated filter for optimal indoor air quality. The ac-
cessory housing features outside air knockouts for use in
complying with fresh air requirements. The high efficiency
filter accessory is designed for use with the V33B 360°
Cassette only. Refer to the V33B Cassette installation in-
structions for additional information on these units.
Shipping and Packing List
Package 1 of 1 contains:
1 - V33B High Efficiency Filter Accessory Kit
12 - Screws
1 - Installation manual
1
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Summary of Contents for Lennox V8V33B001-3P
- Page 1 INSTALLATION INSTRUCTIONS ©2019 Lennox Industries Inc. Dallas, Texas, USA V8V33B001-3P VRF Systems -- V33B High Efficiency Filter Accessory 507953-01 04/2019 General The V33B High Efficiency Filter accessory V8V33B001- 3P (18F53) is for use in applications with a 3rd-party, high MERV-rated filter for optimal indoor air quality. The ac- cessory housing features outside air knockouts for use in complying with fresh air requirements.
-
Page 2: Unit Dimensions - Inches (Mm)
Unit Dimensions - inches (mm) Foam Gasket 4 (100 mm) Air Inlet knock out hole SIDE VIEW 1-1/8 (79 mm) Details of the Air Inlet 32-3/4 (832 mm) 28-7/8 (733 mm) 1-1/2 (38 mm) 19 (483 mm) 2-1/2 (64 mm) 2-1/2 (64 mm) 14-3/8 (365 mm) -
Page 3: Installation
Installation 2. Remove hook from cassette body as shown in Figure 1. Remove screws from cassette body as shown in 2. Re-install one screw. Retain one screw for later Figure 2. Retain screws for later use. use. Remove screw. Retain for later use. Remove screw. - Page 4 3. Complete all indoor unit wiring and connections to 5. Connect fresh air supply to high efficiency filter kit. the electrical control box. 6. Install the cassette cover panel. 4. Attach high efficiency filter kit to the unit body using the hangers on two corners of the accessory kit.
- Page 5 Cassette Cover Panel Installation 1. Carefully remove the cassette cover panel from its CORNER ACCESS protective packaging and place the panel diffuser- COVER side-out on a clean, level surface. CAUTION Remove screws and loosen straps to remove corner Do not place the cover panel with the diffusers face covers from panel.
-
Page 6: Technical Support
7. Tighten the provided screws in the bracket in the 10. The return air grille must be reinstalled on the cover cover panel immediately below each panel hanger. panel. Align the four tabs on the grille with the four See detail C in Figure 6. Adjust the cover panel by slots in the cover panel.
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