Rheem GEN12AD-V Setting Exercise Timer, Installation Inspection, Engine Cool-down Timer

Operation

Automatic Operation Sequence

The generator’s control panel houses a logic control circuit board. This control board constantly monitors utility power source voltage. Should that voltage drop below a preset level, control board action will signal the engine to crank and start.

When utility source voltage is restored above a preset voltage level, the engine is signaled to shut down.

The actual system operation is not adjustable and is sequenced by sensors and timers on the control board, as follows:

Setting Exercise Timer

The generator is equipped with an exercise timer that will start and exercise the system once every seven days. During this exercise period, the unit runs for approximately 20 minutes and then shuts down. Electrical load transfer DOES NOT occur during the exercise cycle (unless an utility power outage occurs).

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CVUUPO
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UIF
DPOUSPM
QBOFM
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i4&5
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(see System Control Panel). The specific day and the specific time of day this button is pressed is programmed into the control board memory. This date and time is then used to automatically initiate the system exercise cycle. The i4&5ø&9&3$*4&w
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UIF
DPOUSPM
QBOFM
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the set exercise cycle is set.

Utility Voltage Dropout Sensor

To perform the Set Exercise procedure:

t 5IJT TFOTPS NPOJUPST VUJMJUZ TPVSDF WPMUBHF

1.

Choose the day and time you want your generator

t *G VUJMJUZ TPVSDF WPMUBHF ESPQT CFMPX BCPVU  QFSDFOU

to exercise.

2.

On that day and time, press and hold the

of the nominal supply voltage, the sensor energizes

a 10 second timer. The timer is used to ‘sense’

i4&5ø&9&3$*4&w CVUUPO GPS UISFF TFDPOET

brown-outs.

5IFi4&5 &9&3$*4&w EJTQMBZ XJMM JMMVNJOBUF UIFO UVSO PGG

t 0ODF UIF UJNFS IBT FYQJSFE UIF FOHJOF XJMM DSBOL

to confirm that the exer

ci

se timer has been set. Then

and start.

release the button.

Utility Voltage Pickup Sensor

The unit will cra nk and run the exercise cycle. During

UIF DZDMF i4FU

&YFSDJTF

w XJMM JMMVNJOBUF

This sensor monitors utility power supply voltage. When that

Once the

ycle is complete, the unit will turn

exercise c

voltage is restored above 80 percent of the nominal source

PGG BOE

i4FU &YFSDJTFw XJMM OP MPOHFS CF EJTQMBZFE

voltage, a time delay starts timing and the engine will go to

The

cycle may be discontinued at anytime by

exercise

engine cool-down.

turning the

System Switch to OFF.

Engine Cool-down Timer

will then start and run its 20 minute

3.

The unit

t 8IFO UIF MPBE JT USBOTGFSSFE

P UIF VUJMJUZ QPXFS

e

rcise cycle.

xe

CBDL

U

source, the engine cool-

sta

.

Fo

mple, if you press SET EXERCISE on Sunday morning

own timer

rts timi

r exa

t 5IF UJNFS XJMM SVO GPS B

POF

NJ

OVUF

UIF

at 10:00 AM, the unit is set to run an exercise cycle every

CPVU

UIFO

generator will stop.

NOT

Sunday at 10:00 AM (+/- 1/2 hour).

i4FU &YFSDJTFw XJMM POMZ XPSL JG UIF VOJU JT JO UIF AUTO mode

t .JOJNVN FOHJOF SVO UJNF JT 

NJOVUFT

FOR

and this exact procedure is followed. The exerciser will need

to be re-set if the 15 Amp fuse is removed or changed, or if

REPRODUCTION

the starting battery is disconnected.

If you want to change the day and time the unit exercises, TJNQMZ
QFSGPSN
UIF
i4FU
&YFSDJTFw
QSPDFEVSF
BU
UIF
FYBDU
weekday and time you want it to take place.

Generator will not exercise if timer is not set.

Installation Inspection

Before placing the generator system into service, inspect the entire installation carefully.

This completes the installation and start-up instructions.

The operator’s manual provides full details on Operation,

Maintenance and Troubleshooting for this generator system.

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