LG KH156-360 Rooftop Unit Kits and Accessories Instruction Manual

LG KH156-360 Rooftop Unit Kits and Accessories

Product Information

Specifications

• Product Name: E2023 Rooftop Unit Kits and Accessories
• Model Number: 507533-01
• Supersedes: 6/2015
• Application: Downflow
• Compatibility: LG/LC/LH/LD/KG/KC/KH156-360 Units

Installation Instructions for Transition Kit
The transition kit is used to convert unit supply and return air openings to match FD11 and RTD11 diffusers. Please follow the steps below for proper installation:

Shipping and Packing List

• Package 1 of 1 contains:
  • 1 Supply air transition
  • 1 Return air transition
  • 1 Support

Installation Steps

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 qualified installer, service agency, or the gas supplier.

1. Discard all but the longest supply and return air brace provided with the roof mounting frame. All braces are used only when custom ductwork is installed.
2. Install the supply and return air braces as shown in Figure 4. Make sure the double bends are side by side.
3. Install transitions in the roof mounting frame before setting the unit on the frame.

CAUTION: Danger of sharp metallic edges. Take care when servicing the unit to avoid accidental contact with sharp edges.

Support Shipped with Transitions
The longest support provided with the roof mounting frame can be found in Table 1.

Table 1: Support Dimensions

FAQs

• Q: What is the purpose of the transition kit?
  The transition kit is used to convert unit supply and return air openings to match FD11 and RTD11 diffusers.

• Q: Can I install the transitions without the roof mounting frame?
  No, the transitions should be installed in the roof mounting frame before setting the unit on the frame.

• Q: How should I handle sharp metallic edges during servicing?
  Take care when servicing the unit to avoid accidental contact with sharp edges. Always keep hands, hair, clothing, jewelry, tools, etc., away from moving parts.

• Q: Who should perform the installation and service?
  Installation and service must be performed by a qualified installer, service agency, or the gas supplier to prevent property damage, personal injury, or loss of life.

Shipping and Packing List

Package 1 of 1 contains:

• 1- Supply air transition
• 1- Return air transition
• 1- Support

Application

The supply and return air transitions are used in downflow applications. The transitions convert unit supply and return air openings to match FD11 and RTD11 diffusers. See table 1.

Installation

1. Discard all but the longest supply and return air brace provided with the roof mounting frame. All braces are used only when custom ductwork is installed.
2. Install the supply and return air braces as shown in figure 4.
3. Install transitions in the roof mounting frame before setting unit on frame.

CAUTION Danger of sharp metallic edges. Can cause injury. Take care when servicing unit to avoid accidental contact with sharp edges.

WARNING To prevent serious injury or death:

1. Lock-out/tag-out before performing maintenance.
2. If system power is required (e.g., smoke detector maintenance), disable power to blower, remove fan belt where applicable, and ensure all controllers and thermostats are set to the “OFF” position before performing maintenance.
3. Always keep hands, hair, clothing, jewelry, tools, etc., away from moving parts.

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 qualified installer, service agency or the gas supplier

TABLE 1

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