AAF HermanNelson IM 725 Installation Manual - page 31
IM 725 (1-02)
31
Tools Required
A forklift or other lifting device to install this product (See figure 97).
Install this product in accordance with good engineering practices and
workmanship, following these general instructions, plus the job-
specific AAF
®
-HermanNelson
®
submittal drawings provided for
specific dimensions, unit arrangements, controls and electrical details,
pipe stub-up locations, etc.
Apply protective material to lifting support(s) that come in
contact with unit to prevent scratching or denting the unit.
Support the unit across the entire length to prevent twisting or
racking, throughout the process of mounting.
Model AH Ceiling Unit Ventilator Installation
Models AHF, AHB, AHV and AHR Ceiling Units
Important
Before beginning installation, please read this publication in its entirety.
Refer to AV installation instructions, page 2.
Exposed
Soffit
Partially Recessed
Concealed
Figure 97 - Suggested Lifting Method
AH Ceiling Unit
Lifting Device
Protective Material To Prevent
Scratching and Denting of Unit.
Support Across Entire Length of
Unit to Prevent Twisting or
Racking.
Figure 96 - Ceiling Unit Arrangements
Step 1
Lifting Ceiling Unit Into Position
CAUTION
!
DISCONNECT ALL ELECTRICAL
POWER BEFORE SERVICING UNIT
TO PREVENT INJURY OR DEATH
DUE TO ELECTRICAL SHOCK.
WARNING
HAZARDOUS VOLTAGE!
DISCONNECT ALL ELECTRIC POWER IN-
CLUDING REMOTE DISCONNECTS BEFORE
SERVICING. FAILURE TO DISCONNECT
POWER BEFORE SERVICING CAN CAUSE
SEVERE PERSONAL INJURY OR DEATH.
!
CAUTION
USE COPPER CONDUCTORS ONLY.
UNIT TERMINALS ARE NOT DESIGNED TO
ACCEPT OTHER TYPES OF CONDUCTORS.
FAILURE TO DO SO MAY CAUSE DAMAGE
TO THE EQUIPMENT.
!
!
DANGER
Safety Information
Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth for brazing operations. Have a fire extinguisher available. Follow all warnings and
cautions in these instructions and attached to the unit. Consult applicable local building codes and National Electrical Codes (NEC) for special requirements.
Recognize safety information. When you see a safety symbol on the unit or in these instructions, be alert to the potential for personal injury. Understand the meanings
of the words DANGER, WARNING, and CAUTION. DANGER identifies the most serious hazards that will result in death or severe personal injury; WARNING means
the hazards can result in death or severe personal injury; CAUTION identifies unsafe practices that can result in personal injury or product and property damage.
Improper installation, adjustment, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may result in personal injury or
property damage. This product must be installed only by personnel with the training, experience, skills, and applicable licensing that makes him/her “a qualified
professional HVACR installer.”