York YLAA0041 Installation Operation & Maintenance page 161

Form 150.72-ICOM6
Issue date: 12/19/2023
Table 19: Program key limits and details, continued
Program value
Hot Gas Bypass Valve Type
Unit Type Select
Operating Envelope
Sys 1,2 Comp. Sequence
Sys 1,2/Compressor 1-3 Operating Hours
(1 Inc./Dec. per entry position)
Sys 1,2/Compressor 1-3 Start Counters
(1 Inc./Dec. per entry position)
EEV Max Operating Pressure
(031-02577-004, EEV)
(5.0 Inc./Dec.)
Chilled liquid cooling type*
Entering chilled liquid temperature sensor
Reset EEV to default
EEV startup position
(1 Inc./Dec.)
EEV startup delay time
(10 Inc./Dec.)
* If the chilled liquid cooling type is modified, the suction pressure cutout is set to the default value.
Selecting low temperature
To enable the LOW TEMPERATURE operation, com-
plete the following steps:
1. Under SERVICE MODE, select GLYCOL.
2. To display the following screen, press PRO-
GRAM, ↓, ↑, ↑, ↓, ENTER in sequence.
Johnson Controls
Low limit High limit
— —
ONE PER SYSTEM
— —
STANDARD or YCWL
— —
— —
COMP 2, or COMP 3
0 99999
0 99999
20.0 psig 600.0 psig
(1.38 barg) (41.38 barg)
— — WATER or GLYCOL
— —
Choices:
No (0)
Yes (1)
10.0% 50.0%
0 Sec 180 Sec
S T A N D A R D T E M P E R A T U R E
L O W T E M P E R A T U R E
3. To select the required option, use the ↑ and ↓ keys.
See on page 107 and on page 107 for the mod-
ified limits when the low temperature glycol is
enabled.
Section 7: Unit controls
Options Default
R-410A/R-454B
NONE, ONE PER
UNIT, or
(R-410A/R-454B
Chiller or
Condensing Unit) STANDARD
HP
(031-02755-004,
R-410A/R-454B)
DISABLE, DISABLE
STANDARD, or
EXTENDED
(031-02755-004)
AUTO, COMP 1
—
—
150.0 psig
—
(10.34 barg)
WATER
DISABLED or
ENABLED
ENABLED
—
—
— 60 Sec
G L Y C O L
or
G L Y C O L
SYS 1
AUTO
0
0
7
NO
25.0%
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