Refrigerant Pump Manual Stop; Purge Manual Start And Stop; Lifespan For Various Parts - York EX Series Installation, Operation & Maintenance Instructions Manual

SECTION 7 – MAINTENANCE

Refrigerant Pump Manual Stop

The refrigerant pump can be stopped manually for
maintenance purposes. It can be stopped even while
the chiller-heater operates.
1. Navigate to the Setting screen on the Control
Panel.
2. Press the Refrigerant Pump Stop button.
After maintenance of the refrigerant
pump is complete, be sure to reset it to
Auto. Continued operation in stop state
may cause damage to and failure of the
chiller-heater.

Purge Manual Start and Stop

The purge can be started or stopped manually.
1. Navigate to the Setting screen on the Control
Panel.
2. Press the Purge Mode Manual button.
3. Press the Manual Purge ON button.
The purge solenoid valves open. The purge operation
begins.
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4. Press the Manual Purge OFF button when the
purge process is complete.
5. The solenoid valves close.
After maintenance of the Purge system
is complete, be sure to reset it to Auto.
Continued operation in the manual mode
may cause damage to and failure of the
chiller-heater.
6. Press the Purge Mode Auto button

LIFESPAN FOR VARIOUS PARTS

The replacement periods for some parts are shown
below. (The following periods are shown for refer-
LD20138
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
JOHNSON CONTROLS