Daikin ERLQ004CA Installer's Reference Manual

Also see for EHBH04CA: Operation manual Installation manual

Contents

Installer reference guide61 EHBH04+08 + ERLQ004~008Daikin Altherma - Low Temperature Split4P313774-1 – 2012.058 ConfigurationPower saving functionDefines whether the outdoor unit power supply can be interrupted(internally by indoor unit control) during stand-still conditions (nospace heating/cooling nor domestic hot water demand). The finaldecision to allow power interruption of the outdoor unit duringstandstill depends on the ambient temperature, compressorconditions and minimum internal timers.To enable the power saving function setting, [E-08] needs to beenable at the user interface in combination with the removal of thepower saving connector at the outdoor unit. The power savingconnector at the outdoor unit shall only be removed when the mainpower supply to the application is switched OFF.Power consumption controlOnly applicable for EHBH/X04+08 + EHVH/X04+08. See"5 Application guidelines" on page 9 for detailed information aboutthis functionality.Pwr consumpt. controlNote: power consumption control only based on heater priority ispossible for EHBH/X04+08 and EHVH/X04+08 models, but also forEHBH/X16CA and EHVH/X16 models. Hereto you can limit theoperation of both electrical heaters (backup heater and boosterheater) by the following setting.INFORMATIONOnly applicable for ERLQ004~008CAV3.# Code DescriptionN/A [E-08] Power saving function for outdoor unit:Q 0 (default): DisabledQ 1: Enabled# Code Description[A.6.3.1] [4-08] Mode:Q 0 (No limitation)(default): Disabled.Q 1 (Continuous): Enabled: You canset one power limitation value (in Aor kW) to which the system powerconsumption will be limited for allthe time.Q 2 (Digital inputs): Enabled: Youcan set up to four different powerlimitation values (in A or kW) towhich the system powerconsumption will be limited whenthe corresponding digital inputasks.3x1 2 3[A.6.3.2] [4-09] Type:Q 0 (Current): The limitation valuesare set in A.Q 1 (Power)(default): The limitationvalues are set in kW.[A.6.3.3] N/A Value: Only applicable in case of fulltime power limitation mode.0~50 A, step 1 A (default: 50 A)[A.6.3.4] N/A Value: Only applicable in case of fulltime power limitation mode.0~20 kW, step 0.5 kW (default: 20 kW)Amp. limits for DI: Only applicable in case of power limitation modebased on digital inputs and based on current values.[A.6.3.5.1] [5-05] Limit DI10~50 A, step 1 A (default: 50 A)[A.6.3.5.2] [5-06] Limit DI20~50 A, step 1 A (default: 50 A)[A.6.3.5.3] [5-07] Limit DI30~50 A, step 1 A (default: 50 A)[A.6.3.5.4] [5-08] Limit DI40~50 A, step 1 A (default: 50 A)kW limits for DI: Only applicable in case of power limitation modebased on digital inputs and based on power values.[A.6.3.6.1] [5-09] Limit DI10~20 kW, step 0.5 kW (default: 20 kW)[A.6.3.6.2] [5-0A] Limit DI20~20 kW, step 0.5 kW (default: 20 kW)[A.6.3.6.3] [5-0B] Limit DI30~20 kW, step 0.5 kW (default: 20 kW)[A.6.3.6.4] [5-0C] Limit DI40~20 kW, step 0.5 kW (default: 20 kW)Priority: Only applicable in case of an optional EKHW*.[A.6.3.7] [4-01] Q 0 (None)(default): No heater isprioritized. If the powerconsumption control is enabled,the booster heater will be limitedfirst.Q 1 (BSH): The booster heater isprioritized. If the powerconsumption control is enabled,the backup heater (step 1 and/orstep 2) will be limited first, beforethe booster heater is limited.Q 2 (BUH): The backup heater isprioritized. If the powerconsumption control is enabled,the booster heater will be limitedfirst, before the backup heater islimited.# Code Description