Installation - Victron energy SmartSolar MPPT 150/35 Manual

3. Installation

WARNING: DC (PV) INPUT NOT ISOLATED FROM BATTERY
CIRCUIT
CAUTION: FOR PROPER TEMPERATURE COMPENSATION
THE AMBIENT CONDITION FOR CHARGER AND BATTERY
MUST BE WITHIN 5°C.
3.1. General
● Mount vertically on a non-flammable substrate, with the power
terminals facing downwards.
● Mount close to the battery, but never directly above the
battery (in order to prevent damage due to gassing of the
battery).
● Improper internal temperature compensation (e.g. ambient
condition battery and charger not within 5°C) can lead to
reduced battery lifetime.
We recommend installing the the Smart Battery Sense
option in case of larger temperature differences or extreme
ambient temperature conditions.
● Battery installation must be done in accordance with the
storage battery rules of the Canadian Electrical Code, Part I.
● The battery and PV connections must be guarded against
inadvertent contact (e.g. install in an enclosure or install the
optional WireBox M).
3.2 Grounding
● Battery grounding: the charger can be installed in a positive or
negative grounded system.
Note: apply a single ground connection (preferably close to the
battery) to prevent malfunctioning of the system.
● Chassis grounding: A separate earth path for the chassis
ground is permitted because it is isolated from the positive and
negative terminal.
● The USA National Electrical Code (NEC) requires the use of an
external ground fault protection device (GFPD). These MPPT
chargers do not have internal ground fault protection. The system
electrical negative should be bonded through a GFPD to earth
ground at one (and only one) location.
● The charger must not be connected with grounded PV arrays.
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