DH Instruments ARTESYN - INSTALLATION FOR RPM3 Operating and safety instructions

REPLACEMENT
POWER SUPPLY KIT
for RPM3
PN 402117
Installation Instructions
REPLACEMENT POWER SUPPLY KIT,
P/N 402117, INCLUDES:
QTY PART NO DESCRIPTION
1 103501 Artesyn® Power Supply, +5V, +12V
1 402299 PROM, 68302 BIOS Mini-Micro
5 100739-Z Washer, Flat, M3
2 100969-Z Washer, External Tooth, M3
6 102464-Z Washer, Split Lock, M3
2 100984-Z Screw, PHP, M3 x 6
2 101010-Z Screw, SHC, M3 x 8
1 101005-Z Screw, SHC, M3 x 10
2 101006-Z Screw, SHC, M3 x 12
4 101041-Z Tie, Cable, 3.9”
2 103513 Spacer, Round, 6 MM x 6
2 103514 Spacer, Round, 6 MM x 3
1 124013 Bracket, Power Supply, RPM3
1 402116 Cable Assembly, AC/DC, RPM3
This is a replacement power supply kit for RPM3. It
includes the replacement power supply and a
replacement BIOS Prom that must be installed for
proper operation.
Some RPM3 products may contain a power supply
manufactured by Ault. A bracket, mounting hardware,
and replacement AC/DC power cable are provided for
conversion to the replacement power supply
manufactured by Artesyn®. After the enclosure cover
has been removed the installer must identify the
power supply (see Figures 1 and 2) and proceed to
the appropriate section for removal and installation.
Figure 1. Top View - Ault Power Supply
Figure 2. Top View - Artesyn® Power Supply
REMOVE AND REPLACE ARTESYN®
POWER SUPPLY AND BIOS:
Disconnect power cord.
Remove enclosure cover from unit (disconnect fan
cable prior to completely removing cover).
Detach AC cable and DC cable from power
supply.
The power supply is mounted in four (4) places
with a stainless steel screw, flat washer, lock
washer and aluminum spacer. Remove the
screws, flat washers and lock washers and
remove the power supply board from the chassis.
Remove and discard the EPROM BIOS IC.
Installation is the reverse of removal.
Figure 3. Bios Prom and Power Supply Location
1. BIOS IC 2. Power Supply
NOTE: Installer must be properly grounded when
handling BIOS IC.

REMOVE AULT POWER SUPPLY, AND
INSTALL ARTESYN® POWER SUPPLY
AND BIOS:
Disconnect power cord.
Remove enclosure cover from unit (disconnect fan
cable prior to completely removing cover).
Remove chassis from enclosure base (lift straight
out).
Remove and discard the stainless steel screw and
lock washer that secures the AC/DC cable ground
lug to the Mini Micro board.
Remove the cable ties that secure the AC/DC
cable (PN 402060). Detach the AC/DC cable from
the power supply, main board and AC receptacle.
Discard the AC/DC cable Assembly.
The power supply is mounted in three (3) places
with a stainless steel screw, a nylon screw, nylon
washers and a locking plastic standoff (see
Figures 4 and 5).
Figure 4. RPM3 Top View
1. Nylon Screw 3. Plastic Standoff
2. Stainless Steel Screw 4. Front of Unit
Remove the stainless steel screw and lock
washer, and discard.
Remove and discard the nylon screw.
Turn the chassis on its side to access the
bottom of the main PCB.
Locate the tabs of the plastic standoff and
squeeze them together to release the standoff
from the main board. The power supply can
now be removed and discarded.
It is not necessary to remove the plastic
standoff from the old power supply
Remove and discard the nylon washers
located between the metal mounting tabs and
the power supply.
Figure 5. Right Side View
Attach the new mounting bracket to side rail 2
places using the M3 x 6 pan head screw and M3
lock washer. (See figure 7)
Fasten the new mounting bracket and the AC/DC
Cable Assembly grounding lug to the Mini-Micro
board using the M3 x 10 screw, M3 flat washer,
and two M3 external tooth lock washers (see
Figure 7).
Fasten the new power supply to the bracket using
the hardware shown in Figure 6.
Figure 6. Power Supply Assembly Hardware
1. 124013 Bracket 5. M3 x 12 mm Screw
2. Spacer, 3 mm Long 6. M3 Lock Washer
3. 103501 Power Supply 7. M3 Flat Washer
4. M3 x 8 mm Screw 8. Spacer, 6 mm Long

RPM3 and molbox RFM are trademarks, registered and otherwise, of DH Instruments, Inc.
Document 560067 050601
DH Instruments, Inc.
4765 East Beautiful Lane
Phoenix AZ 85044-5318
USA
Tel [phone]
Fax [phone]
[email protected]
www.dhinstruments.com
Install new AC/DC cable (see Figure 7). The AC
connector plug (3-wire) must be installed to the
Power Supply connector marked J1 adjacent to
the outer side rail. The DC plug (5-wire) connects
to Power Supply connector J2. The DC Plug (4
wire) connects to the Main Board connector
marked P1. The remaining 3 single wire slip-on
connectors attach to the AC receptacle on the rear
panel as shown in Figure 8.
Install the new BIOS PROM (see Figure 3)
Place the chassis into the enclosure base.
Assemble enclosure cover to base by first
reconnecting the fan cable, then close cover and
install cover screws.
Figure 7. Power Supply Assembly Detail
1. Screw, SS, M3 x 6 5. Cable Assembly Ground Lug
2. Washer, SS, Split Lock, M3 6. Washer, Flat, M3
3. Screw, M3 x 10 7. 124013 Bracket
4. External Tooth Lock Washer
Figure 8. Cable Assembly AC Receptacle Connections