HQ Series Quarter-turn Electric Actuator
Installation Operation& Maintenance Manual
Doc No. : HumG-HQ-21 Rev2 Page 3 / 26 Valve Automation Leader, HKC
1. Introduction
1.1. Purpose
The purpose of this manual is to introduce and explain the installation, operation and maintenance of
HQ-series electric actuators. This IOM Manual is distributed as a hard copy when delivered the ordered
products to customer.
1.2. Safety Notices
Safety notices in this manual outline precaution the user must take to reduce the risk of personal injury
and damage to the equipment. The user(s) must read these instructions before the installation, operation
or maintenance of HQ-series electric actuators.
DANGER:
Refers to personal safety and alerts the user to danger or harm.
The hazard or unsafe practice will result in severe injury or death.
WARNING:
Refers to personal safety. Alerts the user to potential danger.
Failure to follow warning notices could result in personal injury or death.
CAUTION:
Directs the user’s attention to general precautions that, if not followed, could result in
personal injury and/or equipment damage.
Notes: Highlighted information is critical to the user’s understanding of the actuator’s installation
and operation.
2. Product Identification
2.1. Product Identification
[The actuator name sticker is located on the opposite side of the cable entry. Stainless steel name plate
for explosion proof types are attached on top of the cover. The name plate contains the following: -21 r0]
2.1.1. Marking
① [General
HQ logo (trade mark),
Model, Electrical power
supply, Type, Rated
current, Torque,
Serial No., Operating time
(seconds) and Option. ---
-- 20 Rev0]
② [Flameproof for CSA, Flameproof & Dust Ignition Proof for IECEx/ATEX, KCs, CCC --- 21 rev2]
③ [Flameproof for CSA, and EAC ------ 18 Rev0]
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