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APPENDIX H — OPTIONAL MOTORMASTER
®
V CONTROL
GENERAL
This appendix contains instructions for the start-up and service of
the optional Motormaster V (MMV) control on 48/50P030-100
units. The Motormaster V control is a motor speed control device
which adjusts condenser fan motor speed in response to varying
liquid refrigerant pressure. A properly applied Motormaster V
control extends the operating range of air-conditioning systems
and permits operation at lower outdoor ambient temperatures. Lo-
cation of Motormaster V device is shown in Fig. AF-AJ.
Fig. AF — MMV Control Location — 48/50P030,035 Units
Fig. AG — MMV Control Location — 48/50P040 Units
MOTORMASTER
CONTROL
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