Section 3 - Pre-Installation Checks
PRE-INSTALLATION
29
Installation and Maintenance
3.5 CONTROL BOX - INSTALLATION AREA
3.5.1 Product Dimensions and Installation Clearances
ᘐ CAUTION: The product is not to be obstructed by
any surrounding objects or surfaces as this can limit
access and adversely aect performance. The minimum
clearances that are shown in Figure 22 should be always
maintained.
3.5.2 Determining Installation Area
The proposed installation site should be explained, discussed,
and agreed with the client prior to the start of installation. It
heating system.
Both power cables and communication cable routing should be
considered when selecting an installation site.
3.5.3 Requirements of Installation Area
If installing the HP290 Pre-Plumbed (PP) cylinder with
mounted control box, refer to Section 2.3 – 2.4 for dimensions,
access, and clearance requirements.
If installing a third-party cylinder and separate control box,
refer to Section 2.4.1 for control box dimensions, access, and
clearance requirements.
Precautions should be put in place to protect the control box
from damage e.g. impact, splashing, etc.
The installation site is to be free from water, high levels of
humidity, or debris as this can cause malfunction or damage
in the control box. The installation site must not exceed the
operating temperature or humidity tolerances given in Table 1.
mounted in direct sunlight.
The proposed installation site should be explained, discussed,
and agreed with the client prior to the start of installation. The
site must be accessible for the end user.
The installation site must consider the routing of power supply
electrical cables and interconnecting cables for sensors. Make
sure adequate segregation is achieved.
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