Whirlpool W4GH8, Installation Instructions Manual

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10
Make Electrical Connections
IMPORTANT:
■
Electrical wiring, disconnect means and over-current protection
are to be supplied by the installer. Refer to the rating plate for the
maximum over-current protection, minimum circuit ampacity, and
operating voltage. See wiring diagrams later in this section.
■
Install an adequately-sized branch circuit disconnect,
according to the NEC, within sight of and readily accessible
from heat pump.
■
The cable or conduit and fittings connected from the
disconnect to the heat pump shall be rated for outdoor use.
Single Phase Electrical Connections
Refer to “Outdoor Unit Typical Wiring Diagram.”
1. Disconnect power.
2. Remove control box cover.
3. Connect the field supply wires L1 and L2 to contactor
terminals L1 and L2.
Cooling—2nd Stage (High Capacity)
65 (18) 216 146 215 139 235 141 255 132
75 (23.9) 261 146 260 141 278 143 297 134
85 (29.4) 293 147 306 142 321 144 340 135
95 (35) 352 148 315 144 364 146 382 137
105 (40.6) 397 149 396 146 407 148 424 139
115 (46.1) 443 150 442 147 450 149 467 140
Heating—1st Stage (Low Capacity)
40ºF 292 104 303 95 313 92 333 89
50ºF 312 110 320 112 333 108 359 105
Heating—2nd Stage (High Capacity)
20º 268 55 284 63 281 59 312 58
30ºF 298 73 302 78 287 73 334 71
40ºF 327 91 321 94 307 87 357 85
50ºF 357 109 340 110 328 101 380 98
NOTE: Values provided are typical pressures. Indoor unit match-up, indoor air quality and indoor load will cause pressures to vary.
W4GH824A W4GH836A W4GH848A W4GH860A
Air Temperature Entering
Outdoor Coil ºF (ºC)
Liquid Suction Liquid Suction Liquid Suction Liquid Suction
WARNING
Rating Plate Ampacity
Less than 15
16 - 20
21 - 30
AWG
14
12
10
8 31 - 50
Electrical Shock Hazard
Electrically ground condensing unit or heat pump.
Connect ground wire to ground lug.
Use copper wire for supply connection.
Correct wire gauge is shown in the chart below.
Failure to follow these instructions can result in
death or electrical shock.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.