8301-057 Blower Status Switch/Dirty Filter Switch; Figure 61 8301-057 Air Differential Switch Terminals - Bard FUSION-TEC HR35BPA Service Instructions Manual

8301-057 Blower Status Switch/Dirty Filter Switch

Terminals
1 − Normally Closed
2 − Normally Open
3 − Common
NOTE: Contact position is in resting
state.
Unit Filter Blockage %
Switch Static Setting
HR35BP*
(Default) High S/T
Evaporator Airflow %
Switch Static Setting
HR35BP*
Standard
Evaporator Airflow %
Switch Static Setting
HR36BP*
(Default) High S/T
Evaporator Airflow %
Switch Static Setting
HR36BP*
Standard Airflow
Evaporator Airflow %
Switch Static Setting
HR58BP*
(Default) High S/T
Evaporator Airflow %
Switch Static Setting
HR58BP*
Standard Airflow
Evaporator Airflow %
* Bard recommends filter switch be set at 50% filter blockage or less. Higher settings may significantly hinder unit
performance.
Manual 2100-694B
Page 48 of 62
FIGURE 61
8301-057 Air Differential Switch Terminals
P2
TABLE 16
8301-057 Differential Air Pressure Switch Settings
0% 10%
0.65 0.70
100% 99.0%
0.40 0.43
100% 99.7%
0.12 0.12
100% 99.3%
0.12 0.12
100% 99.3%
0.40 0.50
100% 98.7%
0.30 0.35
100% 99.8%
P1
P1: Hose Connected
P2: Stub Connected
20% 30% 40%
0.75 0.85 0.95
97.0% 96.4% 95.5%
0.45 0.50 0.55
98.7% 96.8% 96.0%
0.12 0.20 0.20
99.4% 98.7% 96.5%
0.12 0.12 0.20
99.4% 98.8% 97.3%
0.60 0.70 0.75
98.1% 97.5% 91.7%
0.40 0.45 0.50
99% 98.5% 96.8%
50%* 60% 70%
1.05 1.25 1.50
92.7% 88.1% 80.6%
0.65 0.75 0.90
94.4% 91.6% 85.2%
0.35 0.35 0.40
92.1% 91.3% 87.9%
0.20 0.20 0.30
91.5% 89.8% 88.3%
0.80 0.90 1.00
81.3% 79.1% 78.6%
0.65 0.70 0.90
89.9% 84% 82.2%