Menu Configuration Of 4 To 20 Ma Cooling Set Point Control; 4 To 20 Ma Reset; Configuring Outdoor Air And Space Temperature Reset - Carrier AquaSnap 30MPA Series Controls, Start-Up, Operation, Service, And Troubleshooting

Table 27 — Menu Configuration of 4 to 20 mA Cooling Set Point Control
MODE KEYPAD
(RED LED) ENTRY
ENTER
CONFIGURATION
KEYPAD
SUB-MODE
ENTRY
RSET
ENTER
NOTE: The example above shows how to configure the chiller 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 EMM (energy management module)
is required.
Table 29 — Configuring Outdoor Air and Space Temperature Reset
MODE KEYPAD
(RED LED) ENTRY
ENTER
CONFIGURATION
SUB-MODE KEYPAD
ITEM
ENTRY
DISP
UNIT
OPT1
OPT2
CCN
EXV.A
RSET
SLCT ENTER CLSP
ENTER
ENTER
ENTER
Table 28 — 4 to 20 mA Reset
ITEM DISPLAY
CRST 1
5.0 F
MA.DG
(2.8 C)
SUB- KEYPAD
ITEM
MODE ENTRY
DISP
UNIT
OPT1
OPT2
CCN
EXV.A
RSET CRST
ENTER
RM.NO
RM.F
RM.DG
ITEM
DISPLAY
EXPANSION
0 COOLING SETPOINT SELECT
0
0
3
3
ITEM
EXPANSION
COOLING RESET
TYPE
DEGREES COOL
RESET
DISPLAY
Outdoor
EXPANSION
Space
Air
COOLING RESET
2 4
REMOTE - NO
85 F 72 F
RESET TEMP
REMOTE - FULL
55 F 68 F
RESET TEMP
REMOTE - DEGREES
15 F 6 F
RESET
32
COMMENT
Scrolling Stops
Flashing '0'
Select '3'
Change Accepted
COMMENT
0 = no reset
1 = 4 to 20 mA input
2 = Outdoor air temp
3 = Return Fluid
4 = Space Temperature
Default: 0° F (0° C) Reset at 20 mA
Range: –30 to 30 F (–16.7 to 16.7 C)
ITEM
COMMENT
2 = Outdoor-Air Temperature
(Connect to LVT-4,5)
TYPE 4 = Space Temperature
(Connect to LVT-3,4)
Default: 125.0 F (51.7 C)
Range: 0° to125 F
(–17.8 to 51.7 C)
Default: 0.0° F (-17.7 C)
Range: 0° to 125 F
(–17.8 to 51.7 C)
Default: 0° F (0° C)
Range: –30 to 30 F
(–16.7 to -16.7 C)