Alfa Laval Micro STC2 - Installation And Service Instruction Manual

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DOC-1355, 3rd June 2014

Installation and service instruction Alfa Laval Micro

Heating & domestic hot water substation for apartments and single family houses

Main Page

Table of Contents3
General6
Product Overview Aquamicro6
Product Overview Micro DPC7
Product Overview Micro RTC8
Product Overview Micro STC9
Product Overview Micro STC210
Product Overview Micro HTC11
Symbols on the First Fix-Jig11
Installation12
Unpacking12
Preparation12
Mounting12
Mounting Options General13
Mounting Options Micro RTC13
Mounting Options Micro STC14
Adjustments and Setting General15
Commissioning Advice Micro RTC and Micro STC15
Dismantlement15
User Instruction HTC Hot Water Actuator15
Measure Sketch16
Installing the Room Thermostat CM73717
General17
Installing the Room Thermostat18
Installing the Outdoor Temperature Sensor (Option)20
Starting up and Component Control of the Room Thermostat CM73720
Configure the Room Thermostat after Installation20
Setting the Time20
Setting the Time21
Installing the CM721 Wireless System22
General22
Room Thermostat CM72122
Relay Box BDR9123
Installation Information23
Installing the Relay Box24
Preparing the Room Thermostat25
Installing the Batteries25
Setting the Date25
Setting the Time25
RF Communication Check (Test Mode)26
Signal Strength Test27
Locating and Mounting the Room Thermostat27
System Check28
Binding/Rebinding the CM72129
Basic Operation of the System CM72131
Setting One Temperature for the Whole Day31
Automatic Operation31
Temporary Manual Override31
Communications Loss31
Special Functions for CM72132
Service Indicator32
BDR91 Relay Box Fail Safe Mode Setup32
Activation of Installer Parameters33
Entering the Installer Set-Up Mode33
CM737-Installer Parameters Table34
CM737-Category 1: Room Thermostat Settings34
Installation and Service Instruction35
CM737-Category 2: System Settings35
CM737-Category 3: Boiler Settings35
CM737-Category 4: Transparent Boiler Parameter36
CM737-Category 5: Fault History36
CM721- Installer Parameters Table37
CM721- Category 1: Room Thermostat Settings37
CM721- Category 2: System Settings38
Using the Room Thermostat for Specific Applications38
Troubleshooting the CM73739
Fault Codes on the CM73740
Troubleshooting the CM72141
Diagnostic Mode, CM72142
Differential Pressure Control Valve, DPC43
Setting the DPC Valve43
Flow Rate Graph of the DPC43
Electrical Circuit Diagram44
Schematic Diagram, Main Components46
Aquamicro46
Micro DPC46
Micro RTC47
Micro STC47
Micro STC248
Micro HTC48
Service Instructions49
General Service Instructions49
Tap Water Temperature too Low49
Tap Water Temperature too High50
Hot Water Temperature Unstable or too Low50
Heating System Temperature too High or too Low51
No Heating51
Heating Temperature Unstable51
STC Service Instructions51
No Heating52
Disturbing Noise from the Circulation Pump/ Noise in the Radiator System53
Heating Temperature Unstable53
RTC Service Instructions53
Heating System Temperature too High or too Low53
No Heating54
HTC Service Instructions54
Tap Water Temperature too Low/ Hot Water Temperature Unstable or too Low54
Heating System Temperature too High or too Low54
Maintenance and Repairs55
Change the Hot Water Actuator and Exchanger55
Change the Hot Water Valve55
Change the Heating Actuator56
Change the Heating Valve56
Change the Pump56
Change the Heating Circuit Supply Temperature Sensor57
Change the Outdoor Temperature Sensor57
Change the Differential Pressure Control Valve57
Change the Flow Switch58
Options59
Under Floor Heating Thermostat59
First Fix-Jig59
Declaration of Conformity60

Alfa Laval Micro STC2 - Installation And Service Instruction Manual

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