Hotsy 1800 Series, Service Manual

Page: 7 / 26

HOTSY 1800 Oil Service Manual • 8.916-994.0 • Rev. 11/11
7
PRESSURE WASHER
SERVICE
MANUAL
To change to the parameters of the internal timers in the
Smart Relay complete the following steps:
1. Turn on the power to the machine but do not press
the start switch. Remove the front panel and then
the control panel cover.
NOTE: use extreme
caution when reaching into the control box,
the machine has live power.
Once powered
the Smart Relay window will display the following
screen, see figure 1 (if screen does not appear
press the left/right arrow keys
 or  until correct
screen appears).
2. Press the ESC key located next to the display win-
dow and under the arrow key pad (see figure 2).
Pressing the ESC key will access the Parameter
Assignment Menu.
3. Using the up/down arrow key  or  , move the
(>) cursor to ‘Set Param’ and press OK to confirm
(See figure 3). The display window shows the first
parameter (Timer-1), see figure 4.
NOTE: Ta is the accumulator timer and T is the adjustable
timer (the variable that changes)
4. Press OK to change the value of Timer-1. Using
the left/right arrow key  or  , move the cursor to
the desired field and use the up/down arrow keys
 or  to change this value. See figure 5.
5. Each timer has optional units of time in seconds
(s), minutes (m), and hours (h). To change the
unit of time use the left/right arrow keys
 or 
to move the cursor to the unit field. Change the
unit of time using the arrow up/down keys
 or
 . Once all the values have been set press OK
to accept. See figure 6.
6. Press arrow up/down keys  or  to select the
next parameter to change (Timer -2). Repeat steps
4 and 5 to change the Timer-2 parameters. See
figure 7.
7. Press arrow up/down keys  or  to select the
next parameter to change (Timer -3). Repeat steps
4 and 5 to change the Timer-3 parameters. See
figure 8.
8. Once all timers have been set to the desired time
press ESC twice to return to the Input display
screen. See figure 9.
SMART RELAY INSTRUCTIONS
> Stop
Set Param
Set..
Prg Name
Fig. 2
Stop
> Set Param
Set..
Prg Name
Fig. 3
TIMER-1
T =04:00h
Ta =00:00
Fig. 4
TIMER-3
T =15:00s
Ta =00:00
Fig. 8
1:
0.. 123456789
1..0123456789
2..01234
Fig. 9

 

ESC OK
1:
0.. 123456789
1..0123456789
2..01234
Fig. 1
Display Screen
Arrow
Key Pad
TIMER-1
T =04:00h
Ta =00:00
Fig. 6
TIMER-1
T =04:00h
Ta =00:00
Fig. 5
TIMER-2
T =30:00s
Ta =15:00s
Fig. 7
PROGRAMMING
INSTRUCTION CONT.