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5.5 Electric Heat Kit MCA/MOP Data
5.5.1 EHK Without Unit
Heat Kit
Air Handler
Model
Model
EHK-05W
EHK-08W
18/24/30/36
EHK-10W
Table 4
Suitable heat kits for AHU installation
[ m eans available, X means not available ]
5.5.2 EHK With Unit
Heat Kit
Air Handler
Model
Model
EHK-05W
EHK-08W
18
EHK-10W
EHK-05W
EHK-08W
24
EHK-10W
EHK-05W
EHK-08W
30
EHK-10W
EHK-05W
EHK-08W
36
EHK-10W
Table 5
Suitable heat kits for AHU installation
—
Heat pump systems require a specified airflow. Each ton of cooling
requires between 350 and 450 cubic feet of air per minute (CFM),
or 400 CFM nominally
—
All electric heat kits include breaker(s) for each heater element for
short circuit protection
—
EHK-05W, EHK-08W, and EHK-10W are single circuit (contain 1
heater element)
—
Blower motor load is included in MCA and MAX Fuse/Breaker size
Heater Kit Accessories
Model
EHK-05W
EHK-08W
EHK-10W
Table 6
[ m eans available, X means not available ]
Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
Heat kit
Electric Heat
FLA (A)
(kW)
208 VAC
240 VAC
5
18.1
20.8
7.5
27.1
31.3
10
36.1
41.7
Unit Motor
Electric Heat
FLA
(kW)
(A)
208 VAC
5
1.9
7.5
10
5
7.5
1.9
10
5
7.5
2.7
10
5
7.5
2.7
10
Description
5 kW Heat Kit, Double Pole Breaker
7.5 kW Heat Kit, Double Pole Breaker
10 kW Heat Kit, Double Pole Breaker
MIN.Circuit
MAX.Fuse or Breaker
Ampacity (A)
(HACR) Ampacity
208 VAC
240 VAC
208 VAC
23
26
25
34
40
35
46
53
50
Heat kit
FLA (A)
240 VAC
208 VAC
18.1
20.8
25
27.1
31.3
37
36.1
41.7
48
18.1
20.8
25
27.1
31.3
37
36.1
41.7
48
18.1
20.8
26
27.1
31.3
38
36.1
41.7
49
18.1
20.8
26
27.1
31.3
38
36.1
41.7
49
18
Installation Instructions
Fan speed
240 VAC
1
2
3
30
40
X
X
X
X
60
MIN.Circuit
MAX.Fuse or Breaker
Ampacity (A)
(HACR) Ampacity
240 VAC
208 VAC
29
25
42
40
55
50
29
25
42
40
55
50
30
30
43
40
56
50
30
30
43
40
56
50
24
30
4
5
240 VAC
30
45
60
30
45
60
30
45
60
30
45
60
36
| 13
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