Setting The Chiller Unit - NEC NC1700L Installation Manual

Setting Up Your Projector and Chiller Unit

2-10. Setting the Chiller Unit

2-10-1. Setting the Temperature of the Coolant
To change the setting of the temperature of the coolant, use the Temp. controller on the chiller unit. The temperature is factory-
set to 18°C. Normally, you do not need to adjust the temperature.
Temp. controller
1. pv display
Shows the PV value (current temperature, etc.) or setting items.
2. sp display
Shows the SP value (set temperature, etc.) or the set value of each setting item.
3. Mode indicators
rdy : Lights in READY mode (control stop).
man : Lights in MANUAL mode (manual operation mode)
ev1 - ev3 : Lights when event relay output is ON.
otl - ot2 : Lights when control output is ON.
4. Adjustment key
Press the (<) key for more than 5 seconds and change the value displayed on the sp display with the adjustment key.
It will be reflected automatically in about 3 seconds.
5. [para] key
Changes the display.
6. [mode] key
When this key is kept pressed for 1 second or longer, the operation which has been set previously can be
performed.
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6
5 4
Status indicator
Temp. controller
1
2
3