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3.0 Installation
3.1 Mechanical
There are 3 methods of mounting: Wall, DIN-rail, and Rack. Regardless of method, please observe the
following: free air flow (away from other equipments' hot air exhaust so that the temperature sensor reads
accurately). Indoor installation only! No exposure to rain, spray, or moisture. Plan your wire routing when
considering location.
Option A: Wall, Panel, or Inside Enclosure Mounting
The SPM can be mounted on any flat secure surface (wall or tray) using screws through the four holes on the
mounting tabs (#8 screws recommended). Orientation should provide access to the front panel terminal block.
Option B: DIN-rail Mounting
The chassis supports DIN mounting via a 35mm rail at least 8 inches long. Installer needs to provide DIN-rail.
Two DIN-rail end clamps, P/N: 701-0040-0 provided.
Option C: Rack Mounting
The unit can be rack mounted with Newmar optional 19" or 23" rack mounting kit, 2 RU (3.5 inches) tall,
model RM-SPM, P/N: 020-5091-0.
3.2 Wiring
Connections for both power and sensor inputs are made to the pluggable terminal block which can be found
in the accessory bag (qty. 2, 10 positions). Each terminal block is color coded and labeled with the terminal
positions, and a matching colored label with terminal positions can be found on the mating connector on the
front panel of the SPM-200 to simplify wiring. The pluggable terminal block will accommodate 14-28 AWG
wire size:
ORANGE: Pos. # 1-10
BLUE: Pos. # 11-20
Make your wire connections to the pluggable terminal block first and then plug it into the mating connector
on the SPM-200 being careful to match the terminal numbers on the terminal block with the mating
connector. A small insulated screw driver has been provided to ease the connection process. Do no over-
tighten screws. Be sure to strip at least 1/4" of the insulation off the wires and fully insert them before
tightening screws. Tinning the wire strands before inserting into the terminal block is recommended for larger
wire.
WARNING: All un-grounded voltage inputs to the SPM must be fused with 1 amp in-line fuses, except for
the A1, A2, and A3 switch inputs (floating contact), and the Is1 and Is2 shunt input (terminals 5 & 6). All
returns and GROUNDS on the SPM are common with the –V DC input terminal.
CAUTION: Do not make connections to the SPM with the power on, or with any live AC or DC sources!
Refer to FIGURE 1 and 2 for details on the following steps. Each terminal block position has a reference number
9 abbreviated ID, and full description (see TABLE 1).
CAUTION: Chassis Ground Stud: Connect to earth ground first! Stud size: #6-32
CAUTION: If you intend to power -48 VDC AND monitor -48 VDC, input power must come from an
isolated DC converter. If you need one, we will provide it free of charge. Contact Newmar: 800-854-3906
or E-mail: techservice@newmarpower.com and request model: 48-12-1i
3.2.1 DC Operating Power Input 9 - 60 VDC
Connect using 14-24 AWG wire. Connect your main DC power source to the –V and +V terminals being
careful to observe proper polarity. A 1 amp fast blow fuse on the +V input is recommended for protection. The
SPM draws approximately 100 mA max.
15272 Newsboy Circle
Huntington Beach
California 92649
www.newmartelecom.com
Phone: 714-751-0488
Fax: 714-896-9679
E-Mail: techservice@newmarpower.com
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