WinGD X72 - Page 472

Operation8825−1/A1
Winterthur Gas & Diesel Ltd.
6/ 6
E88
HEATING
SUPPLY
HEATING ON
WITH MDO
HEATING OFF
WITH HFO
24VDC OFF /
TEMP. SENS.
-H1 -H2 -H3
-H4
(RED) (RED) (RED) (RED)
HEATING
ON
SUPPLIED BY
EMERGENCY
MAIN/EMRGY
CONNECT
-H21 -H31 -H30
(GREEN) (YELLOW)
0. OFF
(YELLOW)
1. AUTO 2. ON
-SW30
SUPPLY
ON
MAIN SWITCH
-H20
-Q22
WCH02571
Fig. 4: Control box E88
2015-03
Electrical Trace Heating System