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IV. CONTROL ARCHITECTURE
IV. e -
R-SERIES HEATED CABINET VERTICAL CONTROLLER:
Parts assembly for MIT control versions only
HOLDER CLIP
337-60038-00
(set of two)
CONTROL HEAD
HF 337-60320-00
HORN
337-60070-00
CABINET SENSOR - 337-60069-02
UNUSED
TO TRANSFORMER
(not included for MIT II versions)
CONTROL CABLE
333-60228-00
RELAY BOX
337-60171-02
ADAPTER HARNESS
333-60225-00
TO DOOR RELAY
UNUSED
TO HEATERS
UNUSED
6 Door Switch
5 Line Neutral
4 Door Heater
3 Blower
2 Line Voltage
1 Defrost
337-60371-00
2 12 VDC Coil
1 12 VDC Coil
DC 12-2001
MIT CONTROL TROUBLE SHOOTING DIAGRAM
Date code will be listed
as the week-year (01-52)-
(2001-2100) when the
control is manufactured.
PIN connections may
not be available for
all model types.
Part numbers may
vary according to
model type.
Revision Level
Remove the 4 screws (one
in each corner) & remove
the relay box cover to
expose pin connections &
transformer with voltage
setting jumper (MIT II
version only).
NOTE
All pins in this connection should
not read more than 20 VAC
Connector
Pin No. Color Signal
1Gray Blower*
2 Orange Door Heater*
3 Green Alarm From Controller
4Black Return To Horn
5
6
7White/Purple -RS485
8Black Ground
9White 12 VAC
10 Blue Compressor*
11 Purple Defrost*
12 Yellow Door Open Signal
13 Red Power to Horn
14
15
16 Pink +RS485
17 Red 12 VDC to Controller
18 Black 12VAC
*Voltage should
not be more than
5 DC when
measured to
ground (pin 8).