Carrier AquaSnap 30MPA Series - 4 To 20 Ma Reset; Configuring Outdoor Air and Space Temperature Reset; Menu Configuration of 4 to 20 Ma Cooling Set Point Control

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Table 27 — Menu Configuration of 4 to 20 mA Cooling Set Point Control
Table 28 — 4 to 20 mA Reset
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
(RED LED)
KEYPAD
ENTRY
SUB-MODE
KEYPAD
ENTRY
ITEM DISPLAY
ITEM
EXPANSION
COMMENT
CONFIGURATION
DISP
UNIT
OPT1
OPT2
CCN
EXV.A
RSET
SLCT CLSP 0 COOLING SETPOINT SELECT
0 Scrolling Stops
0 Flashing ‘0’
3Select ‘3’
3 Change Accepted
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)
DEGREES COOL
RESET
Default: 0° F (0° C) Reset at 20 mA
Range: –30 to 30 F (–16.7 to 16.7 C)
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
MODE
(RED LED)
KEYPAD
ENTRY
SUB-
MODE
KEYPAD
ENTRY
ITEM
DISPLAY
ITEM
EXPANSION
COMMENT
Outdoor
Air
Space
CONFIGURATION
DISP
UNIT
OPT1
OPT2
CCN
EXV.A
RSET CRST 2 4
COOLING RESET
TYPE
2 = Outdoor-Air Temperature
(Connect to LVT-4,5)
4 = Space Temperature
(Connect to LVT-3,4)
RM.NO 85 F 72 F
REMOTE - NO
RESET TEMP
Default: 125.0 F (51.7 C)
Range: 0° to125 F
(–17.8 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
(–17.8 to 51.7 C)
RM.DG 15 F6 F
REMOTE - DEGREES
RESET
Default: 0° F (0° C)
Range: –30 to 30 F
(–16.7 to -16.7 C)
ENTER
ENTER