6
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Preparation
Installer reference guide
36
C08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
6 Preparation
6.1 Overview: Preparation
This chapter describes what you have to do and know before going on-site.
It contains information about:
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Preparing the installation site
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Preparing the refrigerant piping
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Preparing the water piping
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Preparing the electrical wiring
6.2 Preparing the installation site
Do NOT install the unit in places often used as work place. In case of construction
works (e.g. grinding works) where a lot of dust is created, the unit MUST be
covered.
Choose an installation location with sufficient space for carrying the unit in and out
of the site.
6.2.1 Installation site requirements of the indoor unit
INFORMATION
Also read the precautions and requirements in the
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Mind the measurement guidelines:
Maximum refrigerant piping length between indoor unit and
outdoor unit
25 m
Minimum refrigerant piping length between indoor unit and
outdoor unit
3 m
Maximum height difference between indoor unit and outdoor
unit
15 m
Maximum equivalent piping length between the 3‑way valve
and the indoor unit (for installations with domestic hot water
tank)
3 m
(a)
Maximum equivalent piping length between the domestic hot
water tank and the indoor unit (for installations with domestic
hot water tank)
10 m
(a)
(a) Piping diameter 0.75".
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Mind the following spacing installation guidelines:
