York YCAS0295EB, Installation Operation & Maintenance

Page: 169 / 194

169 YORK INTERNATIONAL
FORM 201.19-NM7 (804)
PROGRAM MODE DISPLAYS
The following value is programmable under the PRO-
GRAM key (See Table 2).
· System Suction Superheat Setpoint (9.0°F to 15.0°F)
(5.0ºC to 8.3ºC)
EXPANSION VALVE OPTIONS DISPLAY
When the expansion valve type is set to ther mo stat ic
by opening DIP switch #7, the EEV con trol ler, low
su per heat safe ty device, low superheat safety and the
sen sor fail ure safety will be dis abled. The EEV output
will be set to 0.
When the expansion valve type is set to electronic
by closing DIP switch #7 , the EEV controller, low
su per heat safe ty de vice, low superheat safety and the
sen sor fail ure safety will be en abled.
The Expansion Valve type selection is viewable un der
the OP TIONS key.
8.6 EEV PROGRAMMING
PROGRAM VALUE MODE LOW LIMIT HIGH LIMIT DEFAULT
SUPERHEAT SETPOINT EEV
9.0
°
F 15.0
°
F 12.0
°
F
(5.0
°
C) (8.3
°
C) (6.6
°
C)
TABLE 2
– PROGRAMMABLE VALUES TABLE (MINIMUM/MAXIMUM)
8
S1 - 7 E X P A N S I O N V A L V E
T H E R M O S T A T I C
S1 - 7 E X P A N S I O N V A L V E
T H E R M O S T A T I C
S U C T S U P E R H E A T
S E T P O I N T = X X . X º F