Carrier 38HB series Installation, Operation And Maintenance Instructions

Contents

Carrier 38HB series Installation, Operation And Maintenance Instructions Manual pdf 3 page image

1. INTRODUCTION2. OPERATING LIMITSThe 38HB/HF cooling units and heat pumps are units which feature asplit-system construction with components optimised for the R-410Arefrigerant.They are presented in two different elements:- An outdoor unit (38HB/HF series) which features a horizontalconstruction and is equipped with a centrifugal fan, a hermeticscroll-type compressor and an electric panel with electronic control.Supply and return air on the same side.- An indoor unit or or air-conditioning unit (40HB/HF series) whichfeatures a horizontal construction and has supply and return air onthe same side.• 38HB/HF series38HB series: Outdoor unit cooling-only air-condensed withcentrifugal fan, horizontal design, designed for installation indoors.38HF series: Outdoor unit heat pump air-air reversible withcentrifugal fan and expansion valve, horizontal construction,designed for indoor installation.• 40HB/HF series40HB series: Indoor unit cooling only with centrifugal fan andexpansion valve, horizontal construction, designed for installationon premises connected to a network of ducts.40HF series: Indoor unit heat pump reversible with centrifugal fanand expansion valve, horizontal construction, designed for installationon premises connected to a network of ducts.The units comply with standards: EN 60-204 - EN 378-2, and directives:Machinery 2006/42/EC - EMC 2004/108/EC - LVD 2006/95/EC - PED2014/68/EC (Category 2).Those in charge of the installation, commissioning, operation andmaintenance of the unit must know the instructions contained in thisbrochure and the specific technical characteristics of the installationplace.With a condensation pressure control operating down to -10ºC. When the outdoor temperature is usually below 5ºC WB it is recommendedinstalling a support element.Inlet air conditions Cooling HeatingIndoorcoilMinimum 14 ºC WB 10 ºCMaximum 22 ºC WB 27 ºCOutdoorcoilMinimum 12 ºC  -10 ºC WB Maximum 48 ºC 15 ºC WBSplit-system cooling unitsand heat pumps3