York YZ MODEL A - FIGURE 29 - Remote Control Screen

JOHNSON CONTROLS
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SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
3
FIGURE 29 - REMOTE CONTROL SCREEN
LD26750
PROGRAMMABLE
PROGRAMMABLE
BUTTON ACCESS LEVEL DESCRIPTION
Select Run/
Stop
Operator
Upon pressing the Select Run/Stop button the user may then choose the source
for Run/Stop control of the chiller. Local, BAS or Hardwire. Default = Local
Select Cooling Operator
Upon pressing the Select Cooling button the user may then choose the source of
the chiller Cooling Setpoint. Local, BAS, 0-10V, 4-20mA, PWM. Default = Local.
Select Current
Limit
Operator
Upon pressing the Select Current Limit button the user may then choose the
source for Current Limit Setpoint of the chiller. Local, BAS, 0-10V, 4-20mA or
PWM. Default = Local..
NAVIGATION
NAVIGATION
BUTTON DESCRIPTION
Home Causes an instant return to the Home Screen.
Setup Return to the previous Setup Screen.
Operations Returns to the Operations Screen.
This screen allows the user to independently select the
method of control for Run/Stop, Cooling Setpoint and
Current Limit Setpoint. This gives complete flexibil-
ity for the control interface. Refer to YZ Field Control
Modification 161.01-PW2 for more information on
BAS interface specifics.
• In Local mode the chiller will control to the Local
Setpoint.
• In BAS mode a Building Automation System may
communicate the Setpoint via an optional SC-EQ
communication card.
• In Hardwire, 0-10V, 4-20mA or PWM, the BAS
interface uses hardwired control signals.