15KR Electrical Defrost Unit Coolers (PN E108318_S)
To prevent overshooting the desired setting, only one turn of the stem should be made at a time.
As much as 30 minutes may be required for the new balance to take place after an adjustment is made.
Always tighten the adjusting stem packing nut and replace the seal cap tightly after the adjustment is
complete.
8 WIRING
WARNING: All power supplied to the unit must be shut off before opening any
compartments, cleaning, or performing maintenance.
The electrical data for the unit is marked on the unit nameplate. Field wiring should comply with NFPA
70
®
(NEC) and local codes. The field wiring compartment is constructed as part of the unit cooler
enclosure. Wiring connections are made at the terminal block provided inside the unit on the end
opposite the refrigerant connections. The unit must be grounded. Refer to TABLE 8 and 9 for unit amps.
TABLE 8: MOTOR AND DEFROST ELECTRICAL INFORMATION – ELECTRIC DEFROST
No. of
Fans
Total Full Load Amps E(EDL) Heaters Amp
PSC Motor (Type B) EC Motor (Type V&D)
E(EDL)
Heaters
Watt
230/1/60 230/3/60
E(EDL)
Heaters
Watt
460/1/60
115/1/60 230/1/60 115/1/60 230/1/60
1
0.7 0.3 0.9 0.6 1000 4.3 2.9 64 2.2
2
1.4 0.6 1.8 1.2 2000 8.7 5.8 128 4.4
3
2.1 0.9 2.7 1.8 3000 13 8.7 192 6.6
4
2.8 1.2 3.6 2.4 4000 17.4 11.6 256 8.8
5
3.5 1.5 4.5
3
5000 21.7 14.5 320 11
6
4.2 1.8 5.4 3.6 6000 26.1 17.4 384 13.2
Note: Air Defrost models have the same motor amps as the ones shown above.
TABLE 9: MOTOR AND DEFROST ELECTRICAL INFORMATION – HOT GAS DEFROST
No.
of
Fans
Total Full Load Amps Defrost Heaters Amps
PSC Motor EC Motor
Heaters
Watts
115/1/60 230/1/60
115/1/60 230/1/60 115/1/60 230/1/60
1
0.7 0.3 0.9 0.6 300 2.6 1.3
2
1.4 0.6 1.8 1.2 600 5.2 2.6
3
2.1 0.9 2.7 1.8 800
7
3.5
4
2.8 1.2 3.6 2.4 1000 8.7 4.3
5
3.5 1.5 4.5 3.0 1100 9.6 4.8
6
4.2 1.8 5.4 3.6 1400 12.2 6.1
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