Bryant ERVBBSVA1100 installation instructions HRV Defrost Cycles, ERV Defrost Cycles

Table 6 – Temperature / Ohm Relationship

Temp. (°F / °C)	Resistance (Ohms)
--- 9 / --- 23	78330
--- 8 / --- 22	74610
--- 6 / --- 21	71100
--- 4 / --- 20	67770
--- 2 / --- 19	64570
--- .4 / --- 18	61540
1 / --- 17	58680
3 / --- 16	55970
5 / --- 15	53410
7 / --- 14	50980
9 / --- 13	48680
10 / ---12	46500
12 / ---11	44430
14 / ---10	42470
16 / ---9	40570
18 / ---8	38770
19 / ---7	37060
21 / ---6	35440
23 / ---5	33900
25 / ---4	32440
27 / ---3	31050
28 / ---2	29730
30 / ---1	28480
32 / 0	27280
34 / 1	26130
36 / 2	25030
37 / 3	23990
39 / 4	23000
41 / 5	22050
43 / 6	21150
45 / 7	20300
46 / 8	19480
48 / 9	18700
50 / 10	17960
52 / 11	17240
54 / 12	16560
55 / 13	15900
57 / 14	15280
59 / 15	14690
61 / 16	14120
63 / 17	13580
64 / 18	13060
66 / 19	12560
68 / 20	12090
70 / 21	11630
72 / 22	11200
73 / 23	10780
75 / 24	10380
77 / 25	10000
79 / 26	9632
81 / 27	9281
82 / 28	8944
84 / 29	8622
86 / 30	8313
88 / 31	8014
90 / 32	7728
91 / 33	7454
93 / 34	7192
95 / 35	6940
97 / 36	6699
99 / 37	6467
100 / 38	6245

	Table 7 – Defrost Cycle
	HRV DEFROST CYCLES
Outside Temp	Defrosting	Operation time (min.)
			between each
°F / °C	(minutes)
			defrost cycle
23 to --- 17°F	7		25
--- 5 to --- 27°C
--- 17°F and less	10		22
--- 27°C and less
	ERV DEFROST CYCLES
Outside Temp	Defrosting	Operation time (min.)
			between each
°F / °C	(minutes)
			defrost cycle
23 to --- 17°F	9		23
--- 5 to --- 27°C
--- 17°F and less	10		22
--- 27°C and less

ERV / HRV

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