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CLEARANCES
To ensure optimal performance a minimum of 30 inches
clearances required from the back, left and right sides of the
HPWH unit and any wall obstruction. A minimum of 36 inches
clearance on the front of the unit for access to the control box.
Model
Volts/Phase/HZ
208-230/3/60
440-480/3/60
MHP0270
ELECTRICAL REQUIREMENTS
208-230/3/60
Ensure the power supply voltage and phase at the job site
440-480/3/60
MHP0540
matches the power supply ratings listed on the HPWH data
sticker label BEFORE INSTALLATION BEGINS.
208-230/3/60
440-480/3/60
MHP0810
208-230/3/60
440-480/3/60
MHP1080
208-230/3/60
440-480/3/60
MHP1350
208-230/3/60
440-480/3/60
MHP1620
208-230/3/60
440-480/3/60
MHP1890
208-230/3/60
440-480/3/60
MHP2160
Note: Each unit is made of multiple MHP0270 units. the above data is based on each unit having its own disconnect. the total
incoming MCA and MFS are used for the power needed in the building if all units were run off of one disconnect.
LRA: Locked Rotor Amps
MCA: Maximum Current Ampacity
10
575/3/60
575/3/60
575/3/60
575/3/60
575/3/60
575/3/60
575/3/60
575/3/60
RLA: Rated Load Amps
MOCP: Minimum Overcurrent Protection
The installation must conform with these instructions and the
local code authority having jurisdiction and the requirements
of the power company. In the absence of local codes,
the installation must comply with the current editions of
the National Electrical Code, ANSI/NFPA 70 or the Canadian
Electrical Code CSA C22.1.
Voltage applied to the HPWH should not vary more than +5%
to -10% of the voltage requirement listed on the HPWH rating
label for satisfactory operation.
TABLE 2 - VOLTAGE & AMPERAGE RATINGS
Compressor
LRA
RLA
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
560
92.9
270
49.3
198
28.2
MCA
MOCP/MFS
116
125
62
70
35
40
209
225
111
125
63
92
302
350
160
225
92
100
395
400
210
225
120
125
488
500
259
300
148
150
Based on Confi guration
Based on Confi guration
Based on Confi guration
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