56
7.3 Replacement Circuit Board Set-up (Cont.)
7.3.3 Temperature/Pressure Display Board Program Jumper Settings
The Temperature/Pressure Display Board has seven program jumper settings.
JB7 —Always set OPEN for normal operation. Future models will not have the JB7 jumper.
JB1 —Selects English display (
°
F and PSI) or Metric (
°
C and kPa)
JB2 —These jumpers select the minimum wash tank temperature with a differential of +4
°
F/2
°
C.
JB3 —
JB4 —
JB5 —These jumpers select the minimum booster tank temperature with a differential of +4
°
F/2
°
C.
JB6 —
JB7
DISP WASH ONLY
(-) OUT
GND
(+) OUT
VCC
ENG/MET
W/R LED
WASH
HEAT
POWER
Transformer
BOOST
HEAT
TOTIMING
CONTROL CN1
PRESSURE
SENSOR
CN2
NEUTRAL
HOT
FUSED
HOT
WASH
TEMP
SET
BOOSTER
TEMP
SET
JB1
JB2
JB3
JB4
JB5
JB6
CN5
= Jumper Open
= All Models
= Jumper Closed
= Normal
= Wash Only
= English (
°
F and PSI)
= Metric (
°
C and kPa)
JB7 (Factory use Only)
JB1: Display
Jumper No.
Note:
JB7 will be eliminated
on future board versions
Set by factory per end-user's order
Default setting is English.
Figure 7.3.2
Temperature/Pressure Display Board Jumpers and LED Status Lights
Part 7:
SOLID STATE CIRCUIT BOARDS