Briggs & Stratton Portable Generator - Manual (Page 7)

System Setup
You must perform the following before operating the system:
• If generator is installed in an area regularly subjected to
temperatures below 40°F (4°C), select a 50 second
warm up time by moving jumper installed on JP2 from
‘20’ position to ‘50’ position.
• Set the DPSW1 and DPSW2 dipswitches on the control
module to match the KW rating of the Home Standby
Generator set as described in Setting Dipswitches.
Setting Dipswitches
Dipswitches are used to adjust control board operation
based on generator capacity and fuel source. Sum of DSPW1
and DPSW2 are set to correspond to system kW rating.
Dipswitch DPSW1 has units of 1,000 Watts; Dipswitch
DPSW2 has units of 10,000 Watts.
IMPORTANT: Set only one switch to “On” position on each
dipswitch.
The “On” position for the dipswitches is the switch number
ON THE CONTROL BOARD, not on the switch. For example,
on a 27,000 Watt generator that runs on natural gas (NG),
set DPSW2 dipswitch 20 to “On” position. Set DPSW1
dipswitch 7 to “On” position. 20,000 plus 7000 equals
27,000 Watts.
Supervisory Control Wiring
1. Terminal strip on control module in transfer switch has
four connections for customer use. There are two sets
of “Normally Closed” contacts available. They will be
activated when generator power is required. These can
be used for supervisory control of large connected
loads on generator. Loads will be allowed to operate if
there is enough generator power available.
NOTE: There are two wireways provided to keep the
supervisory loads separated from each other.
2. Terminals “A-A” on control module are rated for 24 VAC
and air conditioner contactor control. Contacts are
connected in series with the air conditioner contactor
control circuit.
3. Terminals “B-B” on control module are rated for 1 Amp
125 VAC and installer supplied contactor to control a
large load. Example: electric hot water heater. Contacts
are connected in series with the contactor control
circuit.
4. Tighten all wire connections/fasteners to proper torque.
See inside transfer switch enclosure for proper torque
values.
7
A
A
Air Conditioner Contactor
24 VAC
B
B
Contactor
Neutral
120 VAC
JP2
DPSW1
Dipswitch
CT1 & CT2
Connectors
Supervisory
Contacts
DPSW2
Dipswitch
NOTICE
Use extreme caution when setting dipswitches or damage
to control board will result.
• Use a pencil or small piece of plastic to set the dipswitch.
• NEVER use a screwdriver or any type of metal object to set
dipswitches.