Greenheck SQ Mixed Flow User manual

Quick Start Guide

SQ MIXED FLOW SQUARE DUCT ADAPTER

Step 1 - Mount Square Duct Adapter to Fan

• Square duct adapter will come in 2 piece or 4 piece

designs per inlet/outlet depending on unit size (see

below)

• SQ-7 to SQ-16 will

consist of 2 pieces

per inlet/outlet

• SQ-18 to SQ-33 will

consist of 4 pieces

per inlet/outlet

• Mount square duct adapter to inlet and/or outlet using

appropriate number of ﬂange pieces and 5/16 inch

semi-gimlet fasteners provided in hardware kit (no nuts

required)

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

• Repeat previous step for outlet of fan

• Tighten to 132 in·lbs (11 ft·lbs) as speciﬁed in the IOM

with 1/2 inch socket DO NOT OVER-TIGHTEN

Step 2 - Install Fan Assembly in Duct Work

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

• Install fan assembly in proper orientation per application

(use appropriate isolators)

• Mount fan and ﬁlter section to ductwork using fasteners

supplied by others

• Fan can be mounted in horizontal or vertical applications

• Flexible duct connectors are recommended for

mounting to the inlet and outlet of the fan

• Install fan with approximately three wheel diameters of

straight duct before and after the fan

NOTE: Filtration information on reverse side

Tools List

• Impact Driver

• 1/2 inch socket

• Torque wrench

• Square duct adapters are

shipped separate from the fan

and are mounted in the ﬁeld

• This Quick Start Guide does not

replace the Installation Operation

Manual (IOM), refer to the IOM for

more information

• (1) Fan

• Square duct mounting collar

ﬂanges

(4) Sizes 7-16

(8) Sizes 18-33

• (2) Hardware kit

• (1) Isolator kit (optional)

Parts List

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

3 WHEEL DIAMETERS 3 WHEEL DIAMETERS

FLEXIBLE DUCT

(BY OTHERS)

SIZE 7-16 (QTY 2)

SIZE 18-33 (QTY 4)

ASSEMBLY VIDEO

SQ MIXED FLOW IOM

Quick Start Guide

SQ MIXED FLOW FILTRATION

Step 1 - Mount Filter Section to Fan

• Filter section and fan have “Airﬂow” decals on the

exterior of the units, ensure the arrows are aligned with

the airﬂow

• Mount the ﬁlter section to the inlet of the fan using

appropriate number of provided 5/16 inch semi-gimlet

fasteners provided in hardware kit (no nuts required)

• Tighten to 132 in∙lbs (11 ft·lbs) as speciﬁed in the IOM

with 1/2 inch socket DO NOT OVER-TIGHTEN

• Fan sizing and performance is designed for the ﬁlter

section to be mounted directly to the

INLET of the fan

Step 2 - Install Filter and Fan Assembly in Ductwork

• Install assembly in proper orientation for application (use

appropriate isolators)

• Mount assembly to ductwork using fasteners supplied

by others

• Assembly can be mounted in horizontal or vertical

applications

• Flexible duct connectors are recommended for

mounting to the inlet of the ﬁlter section and outlet of

the fan

• Install assembly with approximately three wheel

diameters of straight duct before and after the fan

Step 3 - Filter Replacement and Cleaning

• Follow ﬁlter replacement and or cleaning intervals

recommended by ﬁlter supplier

FILTER SPACER(S)

FILTER(S)

1. Remove access door using 1/2 inch socket

• It is only necessary to remove one access door to

replace ﬁlters

2. Remove ﬁlter spacers and dirty ﬁlters

3. Install new ﬁlters in unit and replace ﬁlter spacers

• Ensure ﬁlters are installed in correct orientation for

proper airﬂow (marked on ﬁlters)

• Locate spacers towards the outside of the unit to

reduce any unnecessary blockage in airﬂow

4. Reinstall access door using 1/2 inch socket, torque to

132 in∙lbs (11 ft·lbs) DO NOT OVER-TIGHTEN

FILTER SPACER(S)

FILTER(S)

NOTE: Square Duct Adapter information on reverse side

FILTER SPACER(S)

FILTER(S)

Tools List

• Impact Driver

• 1/2 inch socket

• Torque wrench

• Filter sections are shipped

separate from the fan and are

mounted in the ﬁeld

• This Quick Start Guide does not

replace the Installation Operation

Manual (IOM), refer to the IOM for

more information

• (1) Fan

• (1) Filter section

• (1) Hardware kit

• (2) Isolator kit (optional)

Parts List

ASSEMBLY VIDEO

SQ MIXED FLOW IOM

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