Dean BK1814 Service & Parts Manual page 11

HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS
Interface Boards (cont.)
FREQUENTLY USED TEST POINTS FOR HIGH EFFICIENCY DECATHLON (HD) FRYERS
Test
12VAC Power to Controller
12VDC Power to Right BL Relay
12VDC Power to Left BL Relay
24VAC Power to High-Limit
24VAC Power
24VAC Power To 24VAC Gas Valve
Probe Resistance*
* Disconnect 15-pin harness from controller before testing probe circuit.
** See Probe Resistance Chart at the end of this chapter.
CMP
24V
HI
HT
AL
The board contains four relays. K3 is the heat relay and K4 is the latch relay. K1 and K2 are only
used in "dual" or "split" pot applications.
On factory-original units not equipped with basket lifts and on service interface boards, the
NOTE:
board will have no basket lift relays installed.
CHAPTER 1: SERVICE PROCEDURES
106-6669 INTERFACE BOARD
Meter Setting
50 VAC Scale
50 VDC Scale
50 VDC Scale
50 VAC Scale
50 VAC Scale
50 VAC Scale
R x 1000 Ohms
HIGH EFFICIENCY DECATHLON (HD) FRYER
LED DIAGNOSTIC LIGHTS
(106-6669 INTERFACE BOARD)
Indicates power from 12V transformer.
Indicates power from 24V transformer.
Indicates output (closed) from latch relay (K4).
Indicates output from heat relay (K3).
Indicates output (open) from latch relay (K4).
1-6
Pins
1 and 3 on J3
4 on J2 and 5 on J2
7 on J1 and 5 on J2
6 on J2 and GROUND
2 on J2 and GROUND
7 on J2 and GROUND
10 and 11 on J2
Test Results
12-18
12-18
12-18
22-28
22-28
22-28
**