Specifications - Groen TDB/8-20-CFC Operator's Manual

SYMPTOM
Motor will not run; kettle does not User
heat.
Motor circuit breaker trips
frequently
Motor circuit breaker trips
frequently (Continued)
Kettle makes grinding noise
NOTE: Probes and controllers in kettles built before 1989 are not compatible with those built in 1989 or
later. The earlier controller (silver colored model 1020 — Groen Part Number 072038) must be
used with the probe identified by brown lead wires (Groen Part Number 073414). The later
version controller (Groen Part Number
sleeving on the lead wires (Groen Part Number
Probe Resistance
Motor winding resistance at 72ºF
No-load running current
Full-load running current
Motor Speed
Agitator Speed (no-load)
Motor start/circuit breaker trip current
Over-temperature switch opening temperature
Heater Power 120 Volts and 240 Volts
WHO
Items marked with (Y) should only by done by a factory-authorized service rep.
a. Check that plug is firmly plugged into wall outlet.
b. Check that branch circuit is on. Check fuse or circuit
breaker for the outlet. Other equipment on the same
circuit may cause an overload.
Auth c. Loose wire.Y
Service
Rep. Only
User a. Fudge may be too thick. Lift agitator off the top of the
shaft and restart the motor. If the shaft turns, the
fudge is too thick. Add water until the motor will turn.
Auth b. Drive shaft bushing binding. Remove agitator. Put
Service two drops mineral oil on top of the shaft on the inside
Rep. Only of the white plastic bushing. When you turn on the
motor the bushing should not rotate. If it does,
replace it.Y
c. Start/run capacitors reversed. Check wiring
diagram.Y
Auth d. Start relay stuck in closed position. Measure current
Service in start winding (red wire). After motor starts current
Rep. Only should drop to zero.Y
Auth Some amount of noise is normal for this kettle and does
Service not necessarily indicate a problem..
Rep. Only a. Drive belt may be loose or misaligned.Y
b. Gearbox pulley not properly secured to shaft.Y
c. Drive shaft bushing is binding.Y
077889) must be used with the probe identified by yellow
086407),
Electrical Specifications
Before Jan 1, 1989 508 Ohms ± two percent in a stirred ice bath
after Jan 1, 1989 500 Ohms ± one percent in a stirred ice bath
120 Volts Red to Yellow
Blue to Yellow
240 Volts Red to Yellow
Blue to Yellow
120 Volts 1.8 Amperes
240 Volts 1.0 Amperes
120 Volts 2.5 Amperes
240 Volts 1.3 Amperes
60 Hz 3382 RPM at full load
50 Hz 2810 RPM at full load
60 Hz 42 RPM
50 Hz 35 RPM
120 Volts 2.9 Amperes
249 Volts 1.35 Amperes
195ºF ± 6ºF
1850 Watts
11
OM-TDB/8-20-CFC
OM-TDB/8-20-CFC
WHAT TO CHECK
or improper heating will result.
23.6 Ohms
3.1 Ohms
19.7 Ohms
15.1 Ohms
OM-TDB/8-20-CFC 11