Welbilt MERRYCHEF conneX User Manual

3 Technical data
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Merrychef conneX
®
service and repair manual 30
Description
Features
Function
Rating
Trouble shooting
HV Diode(s)
One HV Diode fitted as
standard, two HV
Diodes fitted to High
Power oven versions.
In conjunction with the
HV Transformer(s) to
double the stepped up
voltage from the HV
Transformer(s), for the
Magnetron DC supply
See HV Components in
Section 5.8 for further
rating information
(NOT TO BE TESTED
LIVE)
16kV, 750mA (up to
50A surge)
-20
o
C to +135
o
C
Follow all test
procedures in Section
5.8
Check for opens, shorts
& grounds
Check IO Board
connections X403,
X410, X411 & X412.
Check IO LED 3 & 4.
Check Error Log for
E101 & E113 events
Thermocouple
Provides DCmV to the
IO Board (Relay Board)
that represents the
cavity temperature
Two dis-similar metals
connected at the tip
that produce different
repeatable millivolts
while exposed to
different temperatures.
Green is negative, and
White is positive.
See chart below for
reference.
E111 error when open
circuit fault exists.
Check resistance, a low
resistance of 3 to 5Ω is
OK.
Check for opens, shorts
or grounds.
*Note 1: 12A fuse (F3) used in Americas
*Note 2: 208/240 HV Transformers used in most 60Hz applications
*Note 3: 0.95
µ F Capacitors used in most 60Hz applications.
Always review country specific service parts lists for required replacements. Never use non-approved alternatives.
See section 6.18 for the Technical Data Summary Sheet.

Welbilt MERRYCHEF conneX Specifications

General

Brand	Welbilt
Model	MERRYCHEF conneX
Category	Commercial Food Equipment
Language	English