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EPRA12EAW1
Daikin EPRA12EAW1 User Manual
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Installer reference guide
Daikin Altherma 3 H MT F
EPRA08EAV3
EPRA10EAV3
EPRA12EAV3
EPRA08EAW1
EPRA10EAW1
EPRA12EAW1
ETVH12SU18EA6V
ETVH12SU23EA6V
https://daikintechnicaldatahub.eu
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 About the Documentation
6
About this Document
6
Meaning of Warnings and Symbols
7
Installer Reference Guide at a Glance
8
2 General Safety Precautions
10
For the Installer
10
General
10
Installation Site
11
Refrigerant - in Case of R410A or R32
11
Water
13
Electrical
13
3 Specific Installer Safety Instructions
16
4 About the Box
22
Overview: about the Box
22
Outdoor Unit
22
To Handle the Outdoor Unit
22
To Unpack the Outdoor Unit
24
To Remove the Accessories from the Outdoor Unit
25
Indoor Unit
25
To Unpack the Indoor Unit
26
To Remove the Accessories from the Indoor Unit
26
To Handle the Indoor Unit
26
Domestic Hot Water Tank Kit
27
To Remove the Accessories from the Domestic Hot Water Tank Kit
27
Checklist for the Required DHW Accessories
27
5 About the Units and Options
29
Overview: about the Units and Options
29
Identification
29
Identification Label: Outdoor Unit
29
Identification Label: Indoor Unit
30
Combining Units and Options
30
Possible Combinations of Indoor Unit and Outdoor Unit
30
Possible Options for the Outdoor Unit
30
Possible Options for the Indoor Unit
31
6 Application Guidelines
34
Overview: Application Guidelines
34
Setting up the Space Heating/Cooling System
35
Single Room
36
Multiple Rooms - One LWT Zone
40
Multiple Rooms - Two LWT Zones
44
Setting up an Auxiliary Heat Source for Space Heating
49
Setting up the Domestic Hot Water Tank
52
System Layout - Integrated DHW Tank
52
Selecting the Volume and Desired Temperature for the DHW Tank
52
Setup and Configuration - DHW Tank
53
DHW Pump for Instant Hot Water
54
DHW Pump for Disinfection
54
Setting up the Energy Metering
55
Produced Heat
55
Consumed Energy
56
Normal Kwh Rate Power Supply
56
Preferential Kwh Rate Power Supply
58
Setting up the Power Consumption Control
58
Permanent Power Limitation
59
Power Limitation Activated by Digital Inputs
60
Power Limitation Process
61
BBR16 Power Limitation
62
Setting up an External Temperature Sensor
62
7 Unit Installation
64
Preparing the Installation Site
64
Installation Site Requirements of the Outdoor Unit
64
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
66
Installation Site Requirements of the Indoor Unit
66
Opening and Closing the Units
68
About Opening the Units
68
To Open the Outdoor Unit
68
To Remove the Transportation Stay
68
To Close the Outdoor Unit
69
To Open the Indoor Unit
69
To Lower the Switch Box on the Indoor Unit
71
To Close the Indoor Unit
72
Mounting the Outdoor Unit
72
About Mounting the Outdoor Unit
72
Precautions When Mounting the Outdoor Unit
73
To Provide the Installation Structure
73
To Install the Outdoor Unit
74
To Provide Drainage
75
To Install the Discharge Grille
76
To Remove the Discharge Grille, and Put the Grille in Safety Position
78
Mounting the Indoor Unit
80
About Mounting the Indoor Unit
80
Precautions When Mounting the Indoor Unit
80
To Install the Indoor Unit
80
To Connect the Drain Hose to the Drain
81
8 Piping Installation
82
Preparing Water Piping
82
Water Circuit Requirements
82
Formula to Calculate the Expansion Vessel Pre-Pressure
86
To Check the Water Volume and Flow Rate
86
Changing the Pre-Pressure of the Expansion Vessel
88
To Check the Water Volume: Examples
89
Connecting Water Piping
89
About Connecting the Water Piping
89
Precautions When Connecting the Water Piping
90
To Connect the Water Piping
90
To Connect the Water Piping for Domestic Hot Water
93
To Connect the Recirculation Piping
96
To Fill the Water Circuit
96
To Protect the Water Circuit against Freezing
96
To Fill the Domestic Hot Water Tank
100
To Insulate the Water Piping
100
9 Electrical Installation
101
About Connecting the Electrical Wiring
101
Precautions When Connecting the Electrical Wiring
101
Guidelines When Connecting the Electrical Wiring
102
About Electrical Compliance
104
Specifications of Standard Wiring Components
104
About Preferential Kwh Rate Power Supply
104
Overview of Electrical Connections Except External Actuators
105
Connections to the Outdoor Unit
105
To Connect the Electrical Wiring to the Outdoor Unit
106
To Reposition the Air Thermistor on the Outdoor Unit
112
Connections to the Indoor Unit
113
To Connect the Main Power Supply
116
To Connect the Backup Heater Power Supply
118
To Connect the Shut-Off Valve
121
To Connect the Electricity Meters
122
To Connect the Domestic Hot Water Pump
123
To Connect the Alarm Output
124
To Connect the Space Cooling/Heating ON/OFF Output
125
To Connect the Changeover to External Heat Source
126
To Connect the Power Consumption Digital Inputs
127
To Connect the Safety Thermostat (Normally Closed Contact)
128
To Connect a Smart Grid
129
To Connect the WLAN Cartridge (Delivered as Accessory)
133
After Connecting the Electrical Wiring to the Indoor Unit
133
10 Configuration
134
Overview: Configuration
134
To Access the most Used Commands
135
To Connect the PC Cable to the Switch Box
137
Configuration Wizard
137
Possible Screens
139
Possible Screens: Overview
139
Home Screen
140
Main Menu Screen
142
Menu Screen
143
Setpoint Screen
144
Detailed Screen with Values
145
Schedule Screen: Example
145
Weather-Dependent Curve
149
What Is a Weather-Dependent Curve
149
2-Points Curve
150
Slope-Offset Curve
151
Using Weather-Dependent Curves
152
Settings Menu
154
Malfunctioning
154
Room
155
Main Zone
159
Additional Zone
169
Space Heating/Cooling
174
Tank
183
User Settings
191
Information
195
Installer Settings
196
Commissioning
220
User Profile
220
Operation
220
Wlan
221
Menu Structure: Overview User Settings
223
Menu Structure: Overview Installer Settings
224
11 Commissioning
226
Overview: Commissioning
226
Precautions When Commissioning
227
Checklist before Commissioning
227
Checklist During Commissioning
228
Minimum Flow Rate
228
Air Purge Function
229
Operation Test Run
230
Actuator Test Run
231
Underfloor Heating Screed Dryout
232
12 Hand-Over to the User
236
13 Maintenance and Service
237
Overview: Maintenance and Service
237
Maintenance Safety Precautions
237
Yearly Maintenance
238
Yearly Maintenance Outdoor Unit: Overview
238
Yearly Maintenance Outdoor Unit: Instructions
238
Yearly Maintenance Indoor Unit: Overview
238
Yearly Maintenance Indoor Unit: Instructions
238
To Drain the Domestic Hot Water Tank
242
To Inspect the Inside of the Domestic Hot Water Tank
243
About Cleaning the Water Filter in Case of Trouble
243
To Remove the Water Filter
244
To Clean the Water Filter in Case of Trouble
244
To Install the Water Filter
245
14 Troubleshooting
247
Overview: Troubleshooting
247
Precautions When Troubleshooting
247
Solving Problems Based on Symptoms
248
Symptom: the Unit Is NOT Heating or Cooling as Expected
248
Symptom: Hot Water Does NOT Reach the Desired Temperature
249
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)
249
Symptom: the System Is Making Gurgling Noises after Commissioning
249
Symptom: the Pump Is Blocked
250
Symptom: the Pump Is Making Noise (Cavitation)
251
Symptom: the Pressure Relief Valve Opens
251
Symptom: the Water Pressure Relief Valve Leaks
252
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures
252
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High
253
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)
253
Solving Problems Based on Error Codes
254
To Display the Help Text in Case of a Malfunction
254
Error Codes: Overview
254
15 Disposal
259
To Recover Refrigerant
259
To Manually Open the Electronic Expansion Valves
260
Recovery Mode - in Case of 3N~ Models (7-Segments Display)
261
Recovery Mode - in Case of 1N~ Models (7-Leds Display)
262
16 Technical Data
265
Service Space: Outdoor Unit
266
Piping Diagram: Outdoor Unit
267
Piping Diagram: Indoor Unit
268
Wiring Diagram: Outdoor Unit
269
Wiring Diagram: Indoor Unit
274
Technical Specifications: Domestic Hot Water Tank
280
Test Results in Accordance with EN12897 (2016)
280
Warning Label
280
ESP Curve: Indoor Unit
281
17 Glossary
282
18 Field Settings Table
283
4
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Daikin EPRA12EAW1 Specifications
General
Model
EPRA12EAW1
Refrigerant
R32
Power Supply
220-240V, 50Hz
Noise Level (Outdoor)
45 dB(A)
Operating Temperature Range (Heating)
-15°C to 24°C
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