Armstrong Digital-Flo DF41540, Installation, Operation & Maintenance Manual

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Designs, materials, weights and performance ratings
are approximate and subject to change without notice.
Visit armstrong international.com for up-to-date information.
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Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Tel. (269) 279-3602 Fax. (269) 279-3130
Safety
Icon Legend
— DANGER! … Injury or death and property damage are imminent
— WARNING! … Injury or death and property damage are possible
— CAUTION! … Potential property damage, expensive repairs, and/or
voiding the equipment warranty may result
BURN HAZARD! Contact with steam, hot water, or hot metal surfaces can
cause severe skin burns. Skin exposure to 140°F (60°C) water or metal for
only five (5) seconds may cause a second degree burn.
General Safety Guidelines:
1. This product is designed and constructed to withstand conditions expected during normal use.
2. Inappropriate use of this product could cause damage to the product and other property. It may also result in
personal injury or, in extreme cases, death.
3. Installation or maintenance must be carried out in accordance with the instructions provided in this product
manual by designated, qualified and competent personnel.
4. Installation shall comply with all applicable federal, state, and local sanitary, construction, plumbing and
regulatory codes.
5. Improper installation, start-up, operation, maintenance, or service may void the warranty.
6. When installing, commissioning or servicing this product:
a. ALWAYS ensure that all steam and water supply, recirculation, and return lines are isolated.
b. ALWAYS carefully relieve any residual internal pressure in the system or connecting pipe work before
breaking or loosening any plumbing joints.
c. ALWAYS allow hot parts to cool before commencing work, to avoid the risk of burns.
d. ALWAYS wear appropriate personal protective equipment (PPE) before carrying out any installation or
maintenance work.
If the instructions following a safety icon are not followed, adverse
consequences may occur – including property damage, personal injury, or,
in extreme cases, death.