7 Installation
Installer reference guide
32
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
4
Put the screws in the top plugs and hang the box on the
screws.
5
Put the screws in the bottom plugs.
6
Fix the 4 screws firmly.
7.6
Mounting the backup heater
7.6.1
About mounting the backup heater
NOTICE
▪ The backup heater can only be installed and used in
combination with the outdoor unit and control box
EKCB07CAV3.
▪ The backup heater can only be connected to the space
heating water outlet of the outdoor unit. Other
connections are NOT allowed.
▪ Only one backup heater can be connected to the
outdoor unit. It is NOT allowed to combine multiple
heater kits in series or parallel.
7.6.2
Precautions when mounting the backup
heater
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.6.3
To install the backup heater
1
Fix the wall bracket to the wall with M5 screws.
2×
2
Hang the backup heater onto the wall bracket.
3
Mark the position of the hole at the bottom of the backup
heater.
4
Remove the backup heater from the wall bracket.
5
Drill a hole for the bottom screw and insert a plug.
6
Hang the backup heater onto the wall bracket. Make sure it is
fixed properly.
7
Fix the bottom of the backup heater to the wall with an M5
screw.
7.7
Connecting the water piping
7.7.1
About connecting the water piping
Before connecting the water piping
Make sure the outdoor unit is mounted. If applicable, also make sure
the control box and the backup heater are mounted.
Typical workflow
Connecting the water piping typically consists of the following
stages:
1
Connecting the water piping of the outdoor unit.
2
Connecting the water piping of the backup heater (if applicable).
3
Filling the water circuit.
4
Protecting the water circuit against freezing (addition of glycol).
5
Insulating the water piping.
7.7.2
Precautions when connecting the water
piping
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.7.3
To connect the water piping
NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit. Make sure that the tightening torque does NOT
exceed 30 N•m.
Содержание EWAQ006BAVP
Страница 93: ......
Страница 94: ......
Страница 95: ......
Страница 96: ...4P492901 1 2017 06 Copyright 2017 Daikin...