Application Notes

Masterlux Application Notes / Installation Instructions

  • Handling Procedures for Electrostatic Discharge Sensitive Devices: 
  • Tips on applying PWM signal to SIERRA 24/48V and 48V controllers: 
  • Battery Powered Application Tips:
  • SIERRA Foldover Terminal Installation Guide:
  • Using SIERRA Compressors at a Fixed Speed:
  • MESA AC Installation Instructions:
  • MESA DC Installation Instructions:
  • ATLAS Installation Instructions:
  • MESA/ATLAS Manual Function Control Instructions:

FAQs

 

What type of compressor heater should be used with SIERRA and compressors?

  • We recommend Tutco compressor heaters (Model #CH-184)

Where can I find PVE oil used in the SIERRA compressors?

PVE Oil Packaging Size Part Number
FVC68 6x1 Quart Case 4319-24
FVC68 4x1 Gallon Case 4319-26

 

Please contact your Masterflux representative for answers to any of your questions

Product Bulletins

  • Sierra 24/48V and 48V controller PCB color change:
  • Cascade Compressor Housing Change:
  • Sierra Compressor Terminal Change:
  • Sierra Controller Harness Change:
  • Sierra Motor Change:
    • SIERRA02-0434Y3
    • SIERRA03-0434Y3
    • SIERRA06-0434Y3
    • SIERRA03-0982Y3
    • SIERRA06-0982Y3
    • SIERRA10-0982Y3
  • SIERRA 025F0xxx-xx Controller Change:

 

Engineering Policies

Number Technical Document Name Download
EP1 Off Cycle Heat
EP2 Control of Return Gas
EP4 Heat Pumps Reverse Cycle
EP5 Load Limits for Rubber Mounting Grommets
EP8 Precaution for usage of Direct Suction Compressors
EP13 Rotary Application Guidelines Commercial Refrigeration
EP14 Rotary 3 Phase Rotation
EP15 Refrigerant Charge for Rotary Compressors

Engineering Policy Bulletins

Number Technical Document Name Download
PB104 Refrigerant Charge Limitations
PB105 Compressor Oil Specification
PB107 Effect of Liquid Refrigerant in the Compressor
PB112 Compressor Reliability in Heat Pumps
PB117 Application Precautions in PTAC and Water to Air Heat Pumps
PB118 HBP Rotary Application Parameters
PB119 Hermetic Compressors in Water Related Applications
PB120 Usage of Direct Suction Compressors
PB124 Flammable Refrigerant
PB125 Application Guidelines for Commercial Refrigeration Systems using Rotary Compressors
PB126 Rotary Application Parameters RG
PB128 Application Guidelines for Low Temp Commercial Refrigeration Systems using Rotary Compressors
PB132 SIERRA Tilt Requirements

Guidelines and Recommendations

Number Technical Document Name Download
N/A Tecumseh Alternate Refrigerant Position Letter
RD0001E Regrigerant Matrix
RD0002E R22 Alternate Refrigerant Selection Guidelines
RD0003E Service Guidelies HCFC R22 to HFC Blends
N/A Guidelines for Utilization of R134a
N/A Guidelines for Utilization of R410A
N/A Guidelines for Utilization of R404A and R452A
N/A Guidelines for Utilization of R407C
N/A Guidelines for Utilization of R600A and R290
ER1 Refrigerant Line Sizes for Remote Systems
ER3 Cap Tube Sizing
ER8 Refrigerant Line Sizes for Remote Systems
ER9 System Design Considerations for Good Oil Return on Commercial Systems
ER10 Machine Compartment Design in Cabinets
ER11 Refrigerant Filter-Driers
ER12 Accumulators
ER13 Heat Pump Water Heater
ER15 Factory Test Pressures
ER16 Compressor Cycling