Heat Controller R-410A 155 160 165, 71⁄2 TON Condenser with 10 TON Evaporator

FIGURE 13

RSG090

SYSTEM CHARGE CHART

71⁄2 TON CONDENSER WITH 10 TON EVAPORATOR

Pressure at Liquid Service Port (psig)

7-1/2 TON CONDENSING UNIT 60HZ.

REFRIGERANT R-410A

525														115
500
														110
475
														105
450
														100
425
														95
400
														90
375
														85	DB)
350
														80	(F°
325															Ambient
														75	Outdoor
300
														70
275
														65
250
														60
225														55
200
175
100	105	110	115	120	125	130	135	140	145	150	155	160	165

Pressure at Suction Service Port (psig)

RE QUI RED OUN CES R- 410 A

CHARGE PER FOOT OF TUBIN G

	TUBE SIZE	LIQUID	VAPOR
	O.D. IN.	LINE	LINE
1/2		1.06
5/8		1.65
1-1/8			.22
1-3/8			.34

REFRIGERANT REQUIRED: 239 OZ. WITH 0 FT. OF SUCTION AND LIQUID LINE

CAUTION: BEFORE FINAL REFRIGERANT CHECK, INDOOR AIR TEMPERATURE SHOULD BE AT COMFORT CONDITIONS FOR MOST ACCURATE RESULTS.

INSTRUCTIONS:

1.CONNECT PRESSURE GUAGES TO SUCTION AND LIQUID PORTS ON UNIT.

2.MEASURE AIR TEMPERATURE TO OUTDOOR COIL.

3.PLACE AN "X" ON THE APPROPRIATE CHART WHERE THE SUCTION AND LIQUID PRESSURES CROSS.

4.IF "X" IS BELOW AMBIENT TEMPERATURE LINE, ADD CHARGE AND REPEAT STEP 3.

5.IF "X" IS ABOVE AMBIENT TEMPERATURE LINE, RECOVER EXCESS CHARGE AND REPEAT STEP 3.

6.IF CONDENSER FANS ARE NOT RUNNING, THE HEAD PRESSURE CONTROL MAY REQUIRE JUMPERING.

92-102644-03-01

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