Technical Info

Posted on 3rd Sep 2013

Technical Summary Of Refrigerant Properties
Property	CFC-12	HFC-134a	MX-12a	MX-22a	MX-502a
Atmospheric Lifetime Year	130	16	Less than 1	Less than 1	Less than 1
G.W.P. (C02 = 0.5)	3650	600	4	4	4
O.D.P. (R-12 = 1.0)	1.0	0	0	0	0
Thermal Performance	0	-8	+12 - 32	+12 - 32	+12 - 32
Oils Compatability	Mineral	Synthetic	Both	Both	Both
Components, changes and/or wear	No	Yes	No	No	No
Potential Corrosion	Yes	Yes	No	No	No
Toxis Thermal Decomposition	Phosgene	Hydrogen Fluoride	None	None	None
Long Term Health Effects	None	Tumors on testices	None	None	None
Short Term Health Risks	None	May cause death	None	None	None
Boiling Point (F)	-21	-15	-29.9	-49	-62
Critical Temperature (F)	233.6	214	205	205	205

. C02 equivalent global warming potential. 100 year integration time horizon, Ref. 30, DOE Report
.. At 27.5 MPG CAFE Standard. Comparison of global warming potential of annual refrigerant emissions.

Maxi-Frig is covered by OSHA Hazard Communication Standard
Material Safety Data Sheets (MSDS) are available.

PRESSURE TEMPERATURE COMPARISON CHART
TEMPERATURE		POUNDS PER SQUARE INCH
° C	° F	MX-12a	R-12	R-134a
-30	-22	1	0	-2
-26	15	4	3	1
-22	-8	7	6	4
-18	0	11	9	7
-14	7	14	13	10
-10	14	19	17	15
-6	21	23	22	20
-2	28	28	28	25
0	32	31	30	28
4	39	37	37	33
8	46	44	43	41
12	54	51	51	50
16	61	59	59	59
20	68	68	68	68
22	72	72	73	74
24	75	77	78	79
26	79	82	83	85
28	82	87	88	91
30	86	92	94	97
32	90	98	100	104
34	93	104	106	111
36	97	109	112	118
38	100	115	119	126
40	104	122	125	133
42	108	129	132	142
44	111	135	140	150
46	115	142	147	159
50	122	157	163	177
52	126	165	171	188
56	133	181	189	208

PRESSURE TEMPERATURE CHART MAXI-FRIG MX502a

TEMPERATURE		R502	MX-502a Bubble Dew
° C	° F	psi	psi	psi
-40	-40	4	7	3
-36	-33	8	11	6
-32	-26	12	15	9
-28	-18	17	19	13
-24	-11	22	24	18
-22	-8	25	27	20
-18	0	31	33	26
-12	10	42	43	35
-8	-18	50	51	42
-4	25	59	60	49
0	32	69	69	58
4	39	80	79	67
8	46	92	90	78
12	54	105	102	89
16	61	119	115	101

TEMPERATURE		R502	MX-502a Bubble Dew
° C	° F	psi	psi	psi
20	68	134	128	114
22	72	142	136	121
24	75	150	143	128
26	79	159	151	136
28	82	168	159	143
30	86	178	168	152
32	90	187	176	160
34	93	197	185	169
36	97	208	195	178
38	100	219	205	187
40	104	230	215	197
44	111	253	235	217
48	118	278	258	239
52	126	305	281	262
56	133	334	306	287

PRESSURE TEMPERATURE CHART MAXI-FRIG MX22a
Temp. ° F	Pressure psig	Temp. ° F	Pressure psig	Temp. ° F	Pressure psig
-44	0	40	64.1	124	240.5
-40	0.03	44	69.4	128	252.9
-36	0.03	48	74.9	132	265.9
-32	0.03	52	80.8	136	279.2
-28	6.6	56	86.8	140	293.0
-24	8.6	60	93.2	144	307.3
-20	10.7	64	99.9	148	322.1
-16	13.0	68	106.9	152	337.4
-12	15.5	72	114.1	156	353.1
-8	18.1	76	121.7	160	369.4
-4	20.8	80	129.6	164	386.2
0	23.7	84	137.9	168	403.6
4	26.9	88	146.5	172	421.5
8	30.2	92	155.4	176	440.0
12	33.6	96	164.7	180	459.1
16	37.3	100	174.3	184	478.8
20	41.2	104	184.4	188	499.2
24	45.3	108	194.8	192	542.1
28	49.7	112	205.6	196	542.1
32	54.2	116	216.8	200	564.7
36	59.0	120	228.4	204	588.4

COMPARISON TEST RESULTS
	R-22						MAXI-FRIG MX-22a
	Pressures		Temperature				Pressures		Temperature
-MODEL/TYPE-	High Side	Low Side	° F	Amb. ° F	Amps	D/B	High Side	Low Side	° F	Amb. ° F	Amps	D/B
Carrier 520	250	68	60	76	36.0	100	225	68.0	56	76	28.8	96
Carrier 500	250	75	62	76	27.7	96	200	57.3	58	78	20.3	93
Payne 1/3 HP	213	55	54	76	10.2	88	180	52	52	76	7.8	86
Lennox	210	58	62	76	25.8	89	175	46	58	76	17.8	87
Lennox 2	200	45.5	57	76	22.9	90	190	49	50	78	19.6	89
Lennox	225	65	58	78	26.5	90	185	52	52	78	18.9	88
Carrier 34, 5 Ton	290	65	71.2	106	32.2	N/A	269	65	64.9	110	28.7	N/A
Fedder 3 Ton	340	70	61.5	101	19.5	N/A	260	61	60.3	101	14.8	N/A
Amana 11/4 Ton	N/A	69.7	77.2	104	9.1	69	N/A	75	74.3	118	8.1	60
Payne 5 Ton	N/A	N/A	72	98	25.0	N/A	N/A	75	74.3	118	8.1	60
Comp. Tecumsen 5 Ton	255	60	48.5	N/A	18.1	84	220	61	45.0	N/A	16.8	82
Westinghouse 5 Ton	245	54	52.0	110	27.0	80	245	60	49.0	110	25.0	76
Comp. Amana 5 Ton	270	64	52.0	N/A	22.0	N/A	261	64	46.0	N/A	20.8	N/A
Trane 3 Ton	25	61	50.0	N/A	13.1	N/A	205	61	50.0	N/A	12	N/A
Lennox 3 Ton	265	65	62	N/A	20.0	N/A	245	64	57	N/A	18.5	N/A
Trane 5 Ton	225	66	61	88	24.5	N/A	220	66.5	50	N/A	22.5	N/A
Window Unit 2 Ton	N/A	51	44	82	9.8	N/A	N/A	51	39	85	8.5	N/A

Technical Info

R-22

MAXI-FRIG MX-22a

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