Comfort-Aire HKV300A - Manual (Page 45)

Installation, Operation & Maintenance HKV SERIES Heat Controller, LLC
44
Table 7: Coax Water Pressure Drop
Unit Start Up Procedure
CXM Safety Control Reset
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ing. The compressor relay is turned off immediately. Lockout
mode can be soft reset via the thermostat “Y” input or can be
hard reset via the disconnect. The last fault causing the lockout
will be stored in memory and can be viewed by going into test
mode.
Fault Retry - In Fault Retry mode, the Status LED begins slow
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input. The CXM control will stage off the outputs and then “try
again” to satisfy the thermostat "Y" input call. Once the thermo-
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fault occurred. If 3 consecutive faults occur without satisfying
the thermostat "Y" input call, then the control will go to Lock-
out mode. The last fault causing the lockout will be stored in
memory and can be viewed by going into test mode.
Consult the CXM manual for complete descriptions.
Model GPM
Pressure Drop
30°F 50°F 70°F 90°F
HKV084
10.5
15.75
21
2.4
5.5
9.2 2.0
4.6
7.9 1.2
3.4
6.2 1.1
3.0
5.7
HKV096
12
18
24 3.8
8.0
13.0
3.1
6.8
11.2
2.3
5.3
9.2 2.0
4.8
8.6
HKV120
15
22.5
30
2.1
5.3
9.4 1.7
4.4
8.1 1.2
3.5
6.7 1.0
3.2
6.2
HKV150
19
28
38 2.7
6.2
11.0
2.1
5.2
9.5 1.5
4.1
7.7 1.3
3.7
7.2
CAUTION! Do not restart units without inspection and rem-
edy of faulting condition. Equipment damage may occur.
Model GPM
Pressure Drop
30°F 50°F 70°F 90°F
HKV168
21
31.5
42
2.7
6.1
10.4
2.2
5.2
8.9 1.4
3.8
6.9 1.2
3.4
6.4
HKV092
24
36
48 4.2
9.0
14.6
3.5
7.6
12.6
2.6
6.0
10.3
2.3
5.5
9.6
HKV240
30
45
60 2.4
5.9
10.5
1.9
4.9
9.2 1.3
3.9
7.5 1.1
3.6
7.0
HKV300
38
56
76 3.1
7.0
12.4
2.4
5.9
10.7
1.7
4.6
8.7 1.5
4.2
8.1
CAUTION!
! !