10
WSHP-SVX014F-EN
provided for field installation on the entering water
side of the coil.
Boilerless Control/Electric Heat
(Option)
This option targets building designs that do not
incorporate a boiler to heat the loop system. During a
heavy heating load, the loop temperature may begin to
fall. As the loop temperature decreases, the heating
capacity of the heat pump will also decrease. In the
heating mode, when the loop temperature falls below
55°F (factory setting), the electric heater is energized,
and the compressor is locked out. The system’s electric
heat source will continue to be utilized for primary
heating until the loop temperature rises above 60°F.
Once the loop temperature rises above 60°F, the
boilerless controller returns the unit to normal
compressor heating operation and locks out the electric
heater.
For the EXV and DXV models, the electric heat can be
factory installed or field installed by the contractor.
For the EXH and DXH models, the internal electric heat
must be factory installed, the external electric heat
must be field installed by the contractor.
NNoottee:: Note: The boilerless controller has a field
adjustable entering water temperature setting of
25, 35, 45, 55, and 60 degrees. The compressor
operation will return to normal operation when
the loop temperature rises 5 degrees above the
setpoint.
Table 2. Refrigerant charge (EXH/EXV)
Model (60 Hz)
Heat Pump (oz)/
Kg)
Heat Pump w/
HGR (oz)/Kg)
EXHF006
25.3 / 0.717 26.8 / 0.760
EXHF009
26.0 / 0.737 27.5 / 0.780
EXHF012
28.5 / 0.808 30.5 / 0.865
EXHF015
29.0 / 0.822 30.5 / 0.865
EXHF018
45.0 / 1.276 48.0 / 1.361
EXHF024
50.5 / 1.432 53.0 / 1.503
EXHF030
53.0 / 1.503 56.0 / 1.588
Table 2. Refrigerant charge (EXH/EXV) (continued)
Model (60 Hz)
Heat Pump (oz)/
Kg)
Heat Pump w/
HGR (oz)/Kg)
EXHF036
70.0 / 1.984 73.0 / 2.070
EXHF042
81.0 / 2.296 85.5 / 2.424
EXHF048
83.0 / 2.353 87.5 / 2.481
EXHF060
114.0 / 3.232 118.5 / 3.359
EXHF070
122.0 / 3.459 127.0 / 3.600
EXVG009
35 / 0.992 37 / 1.049
EXVG012
35 / 0.992 37 / 1.049
EXVG015
39.5 / 1.12 42.5 / 1.205
EXVG018
56 / 1.588 59.5 / 1.687
EXVG024
60 / 1.701 64 / 1.814
EXVG030
67 / 1.899 72.5 / 2.055
EXVG036
68 / 1.928 74 / 2.098
EXVG042
83 / 2.353 90.5 / 2.566
EXVG048
87 / 2.466 95 / 2.693
EXVG060
101 / 2.863 111 / 3.147
EXVG070
122 / 3.459 132 / 3.742
Table 3. Refrigerant charge (DXH/DXV)
Model (60 Hz)
Heat Pump (oz)/
Kg)
Heat Pump w/
HGR (oz)/Kg)
DXHF024
54.5 / 1.545
————
DXHF036
71 / 2.013
————
DXHF048
89 / 2.523
————
DXHF060
106 / 3.005
————
DXHF070
118 / 3.345
————
DXVG024
59 / 1.673 63 / 1.786
DXVG036
64 / 1.814 70 / 1.984
DXVG048
86 / 2.438 94 / 2.665
DXVG060
101 / 2.863 111 / 3.147
DXVG070
123 / 3.487 133 / 3.77
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