Operating Instructions 6-3
The Unit will start automatically on both Continuous Run and CYCLE-SENTRY operation when the On/Off switch is turned
to ON.
DIESEL/ELECTRIC Switch (Model 50 only). This switch selects diesel or electric operation. To operate the unit with the
switch in the ELECTRIC position, the unit must be connected to an electric power source that has the correct voltage and
frequency.
MANUAL DEFROST Switch. Pressing this switch initiates a defrost cycle. The evaporator coil temperature must be below 7 C
(6 C on units with TG-V controller; 3 C on units with TG-IV controller) before the unit will defrost.
NOTE: The following units do not have a Manual Defrost switch:
• Units equipped with a Multi-Temp MT µP-IV, µP-V, µP-VI, or TG-VI controller.
Typical Multi-Temp MT µP-IV, µP-V or µP-VI
Controller
1. LCD Display: Display symbols (icons) that appear vary
slightly between controller models.
2. Keypad: µP-VI has 3 different function keys; Mode key,
Gauges key and Pretrip key replace the Oil Press key, Water
Temp key and Amps key. See µP-VI in chapter on Controller
Operation.
Unit Switch Panel – All Models with TG-VI
Controller
1. Unit On/Off Switch
2. Diesel/Electric Switch (Model 50 Only)
3. Phase Indicator Light (Model 50 Only)
COOL
HEAT
DEFROST
HIGH SPEED
CYCLE
SENTRY
ALARM
MODULATION
HIGH SPEED
TEMPERATURE
SETPOINT
HOURS
OIL PRESS
WATER TEMP
AMPS
SELECT
SETPOINT
ENTER
CODE CLEAR
ALARM
!
C
▲
▲
▲
+
A
THERMOGUARD μP IV
+
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