HRX-OM-Q026
Chapter 4 Starting the Product
4.3 Preparation of Circulating Fluid Supply to User’s Equipment HRSH Series
4-4
4.3 Preparation of Circulating Fluid Supply to User’s
Equipment
Circulating fluid is supplied only inside of the product at the time of
installation of the thermo-chiller.
When the product starts operation in this condition, circulating fluid level will
be reduced as the fluid in the level gauge goes down due to the fluid supply
to the user's equipment from the thermo-chiller, and the additional fluid
needs to be supplied to the thermo-chiller.
Follow the instructions below to supply additional fluid:
1. Press the [PUMP] key on the operation panel (press the [RUN/STOP] key and [MENU]
key simultaneously).
The pump operates independently while the [PUMP] key is being pressed. The [RUN] light
(green) blinks while the pump is operating independently and the circulating fluid in the tank is
supplied to the user’s equipment and piping. This finds out leakage from the piping as well as
discharges air from the piping. If the fluid level in the tank reaches the lower limit, a buzzer will
be generated, and the alarm number “AL01 (low level in tank)” is displayed as PV on the digital
display. The [ALARM] light (red) blinks, the [ ] light turns ON, and independent operation of
the pump stops. For alarm reset, refer to step 2.
Fig. 4-4 Individual operation of the pump
Fig. 4-5 Low level in tank” alarm
When any external fluid leakage is found with the piping during this operation, stop
the individual operation of the pump and fix the leaking part.
Press these keys
simultaneously.
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