Electric Heater Package Option | 15ES Series
T111970291 (2015/01)ES Series
ELECTRIC HEATER PACKAGE OPTION
Factory installed internal electric heater packages
are available for ES Series units. Two power
supplies are required when heater packages are
utilized. The power supply for the heater package
(located in the electric heater package control
box) provides power for the heater elements, the
blower motor and the control circuit for the unit.
The power supply for the unit provides power for
the compressor. This allows the electric heaters to
continue to operate along with the blower motor in
the case of unit compressor and/or compressor
power supply failure.
Each ES Series model has a number of heater sizes
available. Refer to Figure #13 for heater package
compatibility with specific ES series units, model
nomenclatures and electrical data.
Figure # 16 Heater Package Compatibility
WARNING: The HP series heater
package requires its own electrical
service separate from the heat pump’s
power supply. DO NOT attempt to wire
the package into the same circuit as the
heat pump.
NOTE: If heat recovery unit is installed in an
area where freezing may occur, the unit
must be drained during winter months to
prevent heat exchanger damage. Heat
exchanger ruptures that occur due to
freezing will void the heat recovery package
warranty along with the heat pump
warranty.
Model
Heater
Model
KW Heater AMPS Circuit MCA Max. Fuse
AWG
Min.
208V 240V 208V 240V 208V 240V
ES025 thru 035 HP050-1XS 4.8 17.3 20.0 L1/L2 27.1 30.4 30 30 8
ES049 thru 071 HP050-1XM 4.8 17.3 20.0 L1/L2 27.1 30.4 30 30 8
ES049 thru 071 HP100-1XM 9.6 34.7 40.0 L1/L2 49.5 56.3 50 60 6
ES049 thru 071 HP150-1XM
HP150-1XM
14.4
14.4
52.0
34.7
17.3
60.0
40.0
20.0
SINGLE
L1/L2
L3/L4
71.2
49.5
21.7
81.3
56.3
25.0
80
60
25
90
60
25
4
6
10
ES049 thru 071 HP200-1XM
HP200-1XM
19.2
19.2
69.3
34.7
34.7
80.0
40.0
40.0
SINGLE
L1/L2
L3/L4
92.9
49.5
43.4
106.3
56.3
50.0
100
50
45
110
60
50
2
6
6
All heaters rated single phase 60Hz, and include unit fan load. All fuses type “D” time delay, HACR type breaker or
HRC FORM 1. Wire size based on 60 deg. C copper conductors.
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