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Model HHC-990
3-1. INTRODUCTION This section provides explanations of all controls, along
with operating procedures and daily maintenance. Read the
Introduction, Installation and Operation Sections before
operating the unit.
3-2. OPERATING CONTROLS
Fig. Item
No No. Description Function
3-1 1 POWER Switch A rocker switch that sends electrical current to the operating
components when turned on
3-1 2 Temperature LED Lights when the control calls for heat, and the unit should start
heating; it goes out once the temperature inside the cabinet
reaches the programmed temperature setting
Press the TEMPERATURE Button to set the cabinet temperature
3-1 3 Digital Display Shows the cabinet temperature, humidity settings, and the selec-
tions in the Program Mode; the temperature of the cabinet
is shown by pressing the INFO button; if the temperature
exceeds 300 °F (149°C), the display reads “E-5”, TOO HOT”.
3-1 4 Humidity LED Lights when the control calls for humidity; it goes out once the
humidity inside the cabinet, reaches the programmed humidity
setting
Press the HUMIDITY button to set the relative humidity inside
the cabinet, and to choose between the Proofing and Holding
Modes, when the unit is turned on
3-1 5 Press to view the food probe temperature, cabinet temperature
and humidity, date and time; if pressed in the Program Mode,
shows previous settings; pressing this along with accesses
the Information Mode which has historic information on the
cabinet’s performance
3-1 6 & 7 Used to adjust the value of the currently displayed setting in
the Program Mode
3-1 303
SECTION 3. OPERATION