Carrier 38APS025-050 Air Conditioner User Manual


 
30
Table 10 — 4 to 20 mA Reset
NOTE: The example above shows how to configure the unit for 4 to
20 mA reset. No reset will occur at 4.0 mA input, and a 5.0 F reset
will occur at 20.0 mA. An energy management module is required.
Table 11 — Configuring Outdoor Air and Space Temperature Reset
*1 item skipped in this example.
Table 12 — Configuring Return Temperature Reset
*4 items skipped in this example.
SUB-MODE
KEYPAD
ENTRY
ITEM DISPLAY
ITEM
EXPANSION
COMMENT
RSET
CRST 1
COOLING RESET
TYPE
0 = no reset
1 = 4 to 20 mA Input
2 = Outdoor Air Temp
3 = Return Fluid
4 = Space Temperature
MA.DG
5.0 F
(2.8 C)
4-20 mA DEGREES RESET
Default: 0° F (0° C) Reset at 20 mA
Range: –30 to 30 F (–16.7 to 16.7 C)
ENTER
MODE
(RED LED)
KEYPAD
ENTRY
SUB-
MODE
KEYPAD
ENTRY
ITEM
DISPLAY
ITEM
EXPANSION
COMMENT
Outdoor
Air
Space
CONFIGURATION
DISP
UNIT
OPT1
OPT2
M.MST
RSET CRST 2 4
COOLING RESET
TYPE
2 = Outdoor-Air Temperature
4 = Space Temperature
(Connect to LTV-21,22)
RM.NO* 85 °F 72 °F
REMOTE - NO
RESET TEMP
Default: 125.0 F (51.7 C)
Range: 0° to125 F
(-17.7 to 51.7 C)
RM.F 55 °F 68 °F
REMOTE - FULL
RESET TEMP
Default: 0.0° F (-17.7 C)
Range: 0° to 125 F
(-17.7 to 51.7 C)
RM.DG 15 °F 6 °F
REMOTE - DEGREES
RESET
Default: 0° F (0° C)
Range: –30 to 30 F
(–34.4 to -1.1 °C)
MODE
(RED LED)
KEYPAD
ENTRY
SUB-MODE
KEYPAD
ENTRY
ITEM DISPLAY
ITEM
EXPANSION
COMMENT
CONFIGURATION
DISP
UNIT
CNN
OPT1
OPT2
M.MST
RSET CRST* 3
COOLING
RESET TYPE
0 = No Reset
1 = 4 to 20 mA Input (EMM required)
2 = Outdoor-Air Temperature
3 = Return Air Temperature
4 = Space Temperature
RT.NO* 10°
F
RETURN - NO
RESET TEMP
Default: 10°
F (5.6° C)
Range: 0° to 30 F
T (-17.7 to 16.7 C)
RT.F
F
RETURN - FULL
RESET TEMP
Default: 0°
F (–17.8° C)
Range: 0° to 10 F T (-17.7 to –12.2 C)
RT.DG F
RETURN - DEGREES
RESET
Default: 0°
F (0° C)
Range: –30 to 30°F (–16.7 to 16.7 C)
ENTER
ENTER
ENTER
ENTER