Carrier CRECOMZR077A00 Installation Instructions Manual

Also see for CRECOMZR077A00: Installation instructions

Contents

18setting. The default is 4.4 volts, but the range is 2 to10 vdc.• MIN POS H and MIN POS L: If your unit is 2 speed, therewill be 2 minimum position settings that show up on themenu. The first is MIN POS H (for high speed), which hasa default of 4.4-v. The second is MIN POS L (for lowspeed), which has a default of 6.0-v. Note that MIN POS Hand MIN POS L are only displayed if under SYSTEMSETUP, AUX2 IN is set to “W1”, and FAN TYPE is set to2 speed.SYSTEM SETUP• INSTALL: Allows you to set the current date. Use the key-pad buttons to scroll to the correct date.• EQUIPMENT: Always set to CONV even if the unit is aheat pump.• AUX2 IN: Always set to W.• FAN TYPE: Set for either single speed or 2 speed. The de-fault setting is 2 speed.• AUX OUT: If remote Fault Detection and Diagnostic(FDD) monitoring is required, select SYS.• OCC: occupancy, always set to INPUTn/a — Not applicableNOTES:1. For 2 speed unit, under SYSTEM SETUP: EQUIPMENT= CONV,AUX2 I = W, and FAN TYPE = 2 SPEED2. More sophisticated controller setups, including for DCV or powerexhaust, are available by referring to Table 11 options3. Fan speed options are:1) 1 Speed2) 2 Speed3) 2 Speed: 1 Heat, 1 Cool.4) 3 Speed: 1 Heat, 2 Cool.4. Do not use 3 speed setting for LC units.Table 10 — Standard Jade W7220 Controller ConfigurationCONTROLLERMENU ITEMFOR SINGLE SPEED UNIT FOR 2 SPEED UNIT NOTEDefault Set to: Default Set To:SET POINTS MAT SET 53°F 38°F to 70°F 53°F 38°F to 70°FLOW T LOCK 32°F –45°F to 80°F 32°F –45°F to 80°FDRYBLB SET 63°F 48°F to 80°F 63°F 48°F to 80°F Only displayed if using single DB OA sensorENTH CURVE ES3 ES1 to ES5 ES3 ES1 to ES5 Only displayed if using a single enthalpy OA sensorMIN POS 4.4 vdc 2 to 10 vdc n/a n/a Only displayed if set up for single speed unitMIN POS H n/a n/a 4.4 vdc 2 to 10 vdc Only displayed if set up for 2 speed unitMIN POS L n/a n/a 6.0 vdc 2 to 10 vdc Only displayed if set up for 2 speed unitSYSTEM SETUP INSTALL 1/1/2010 Current date 1/1/2010 Current dateEQUIPMENT CONV CONV CONV CONV Always set to CONV, even on HP unitsAUX2 IN W W W W Always set to WFAN TYPE 2 speed 1 speed 2 speed 2 speed See Note 3AUX1 OUT NONE SYS NONE SYS Set to SYS for remote FDD monitoringOCC INPUT INPUT INPUT INPUT Always set to INPUT