Refrigerant piping insulation has historically escaped the scrutiny that it has found itself under recently in some jurisdictions. What could possibly be such a big deal with plain old boring refrigerant piping insulation? With energy codes getting stricter during...
ZoomLock™ Tool Review For those of you that are new to press-fit tools we will cover the features of the Klauke 19 kn tool used on ZoomLock™ fittings, this includes the tool, jaw sets, fittings and accessories required to make...
VRF Piping Layout

VRF Piping Layout

Manufactures VRF Piping Layout Drawings The VRF Piping Layout is highly engineered by the VRF manufactures software to design the pipe sizes to meet the capacities and conditions required, including ASHRAE 15. The pipe sizes are affected by capacity, pipe lengths and...
VRF / VRV manufactures require that you use their proprietary software to design the refrigeration piping for the installation of their VRF systems. You or your engineer will need to have a cooling and heating load to import or...
VRF Piping Hangers and Expansion Loops When hanging or fastening VRF copper refrigerant piping that involves long runs, then some form of considerations needs to be made for expansion due to temperature differences. If no allowances are made for expansion in...
VRF System Control Wiring This VRF System control wiring is for a VRF VRV Heat Recovery System with single port branch selector boxes. The control wiring is very simple, it’s basically two 18 gauge wires that go from the thermostat...
ZoomLock vs Brazed Fittings. Which piping joint method is best for your project? There are several things to consider. What materials are the structure constructed of, and what is the occupancy of the building? If it is a wood structure then...
The Mighty Bracket™ makes installations of wall mounted air conditioners capable of being done by one person safely. No need for someone to hold the wall mounted A/C unit like this guy below, while you make the piping or...
ZoomLock Fitting Cost Analysis

ZoomLock Cost Analysis

ZoomLock Cost Analysis Determining if there is value in using a press-fit joint such as ZoomLock™ requires that you look at several factors that impact cost and quality. We covered the technical aspects of ZoomLock™ in another article; see ZoomLock...
Bacharach - Refrigerant Leak Detector

Refrigerant Leak Detector

Refrigerant Leak Detector The Bacharach MVR-300 Refrigerant Leak Detector is described below. Alarms You can have the alarm shut down the fan coil and condenser, have it close solenoid valves and alert management through the BMS. There are 2-Stages of Alarm as shown...
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