RKI Instruments 49-0121-10 Operator'S Manual Download Page 2

 

2 • 49-0121-10 Power Supply

Product Warranty

RKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials, 
workmanship, and performance for a period of one year from date of shipment from RKI Instruments, 
Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of 
charge. This warranty does not apply to those items which by their nature are subject to deterioration 
or consumption in normal service, and which must be cleaned, repaired, or replaced on a routine basis. 
Examples of such items are:

Warranty is voided by abuse including mechanical damage, alteration, rough handling, or repair 
procedures not in accordance with the operator’s manual. This warranty indicates the full extent of our 
liability, and we are not responsible for removal or replacement costs, local repair costs, transportation 
costs, or contingent expenses incurred without our prior approval.

THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER 
WARRANTIES AND REPRESENTATIONS, EXPRESSED OR IMPLIED, AND 
ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI 
INSTRUMENTS, INC., INCLUDING BUT NOT LIMITED TO, THE WARRANTY 
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO 
EVENT SHALL RKI INSTRUMENTS, INC. BE LIABLE FOR INDIRECT, 
INCIDENTAL, OR CONSEQUENTIAL LOSS OR DAMAGE OF ANY KIND 
CONNECTED WITH THE USE OF ITS PRODUCTS OR FAILURE OF ITS 
PRODUCTS TO FUNCTION OR OPERATE PROPERLY.

This warranty covers instruments and parts sold to users by authorized distributors, dealers, and 
representatives as appointed by RKI Instruments, Inc.

We do not assume indemnification for any accident or damage caused by the operation of this gas 
monitor, and our warranty is limited to the replacement of parts or our complete goods.

a) Absorbent cartridges

d) Batteries

b) Pump diaphragms and valves

e) Filter elements

c) Fuses

Summary of Contents for 49-0121-10

Page 1: ...www rkiinstruments com 49 0121 10 AC DC Power Supply Operator s Manual Part Number 71 0568 Revision P1 Released 7 19 21...

Page 2: ...t costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRES...

Page 3: ...ply Specifications Table 1 lists specifications for the power supply Table 1 Specifications Construction housing NEMA 4X Power Input 100 240 VAC 2 5 A Power Output 24 VDC 4 5 A Operating Temperature 4...

Page 4: ...24 VDC It is normally used to power peripheral devices such as horns and strobes The power supply assembly consists of a power supply in a NEMA 4X housing with a conduit hub on the bottom for wiring...

Page 5: ...g 24 VDC Consider the following when you select the mounting site Select a site where the power supply is not likely to be bumped or disturbed Make sure there is sufficient room to perform wiring proc...

Page 6: ...Supply 3 Insert 3 16 inch screws through the slots in the mounting feet at each corner of the housing to secure the housing to the mounting surface Figure 3 Outline Mounting Dimensions 4 8 5 6 21 x 33...

Page 7: ...ire cable with wires from the AC power source to the power supply s conduit hub 4 Connect the three wires to the AC input terminals on the power supply as shown below using either plain wire or 6 lugs...

Page 8: ...s conduit hub 6 Connect the two wires to the DC output terminals on the power supply as shown below using either plain wire or 6 lugs Figure 5 Wiring 24 VDC Devices to the Power Supply 7 Turn on the...

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