Carrier 30XW150-400 Disassembly and Assembly of EXV Motor, EXV Modes and Submodes, A30-4072ef

DISASSEMBLY

CLOSED

27mm / 11/16''

OPEN

NOTE: Open valve in Quick Test sub-mode before disassembling.

OPEN VALVE IN QUICK TEST SUB-MODE BEFORE DISASSEMBLING

ASSEMBLY

CLOSED

50Nm (36 ft-lb)+ 30°

OPEN

EF05BD271 NV 32.5mm

EF05BD331 NV 36mm

NOTES:

1.Push down on valve piston to close valve before assembling.

2.After valve is assembled close valve in Quick Test sub-mode or cycle power before opening service valve.

27mm / 11/16''

GASKET

A30-4072ef

Fig. 44 — Disassembly and Assembly of EXV Motor

Table 40 — EXV Modes and Submodes

EXV TYPE AND CIRCUIT	TOUCH PILOT™ PATH	NAVIGATOR™ PATH
EXV, Circuit A	Main Menu→ Status→ QCK_TST1→ Q_EXVA	Service Test Mode→ QUIC→ EXV.A
EXV, Circuit B	Main Menu→ Status→ QCK_TST1→ Q_EXVB	Service Test Mode→ QUIC→ EXV.B
Economizer EXV, Circuit A	Main Menu→ Status→ QCK_TST1→ Q_ECO_A	Service Test Mode→ QUIC→ ECO.A
Economizer EXV, Circuit B	Main Menu→ Status→ QCK_TST1→ Q_ECO_B	Service Test Mode→ QUIC→ ECO.B

Table 41 — Color Indicators when

Moisture is Present in Refrigerant

	R-134a,	R-134a,
COLOR INDICATOR	75 F (24 C)	125 F (52 C)
	(ppm)	(ppm)
Green — Dry	<30	<45
Yellow-green — Caution	30-100	45-170
Yellow — Wet	>100	>170

Liquid Line Service Valve — This valve is located immediately ahead of filter drier, and has a 1/4-in. access connection for field charging. In combination with compressor discharge service valve, each circuit can be pumped down into the high side for servicing.

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