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Instrument holder manifold
88162EN
www.caleffi.com
115 series
INSTALLATION AND COMMISSIONING MANUAL
© Copyright 2013 Caleffi
CONTENTS
Warnings
Technical Specifications
Characteristic components
Package contents
Hydraulic characteristics
Installation in geothermal probe systems
Reversible manifold
Installation of optional components
Filling the circuits
Seal test
Box installation
Maintenance
Installation in unit heater pump circuits
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4
5
8
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10
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Accessories
Function
The instrument holder manifold is a compact unit used to
assure the control, safety and correct function of the heat
pump. It is suitable for installation in closed circuit
geothermal systems or systems with a unit heater (air-to-
water) pump.
The group is fully insulated and designed for installation
as part of a central heating system or inside a home. It
consists of a flow manifold fitted with shut-off valve, dirt
separator, air vent, expansion vessel, pressure gauge and
minimum pressure safety switch, and a return manifold
fitted with shut-off valve, safety relief valve, temperature
gauge and fill valve.
The unit comes pre-assembled on a steel anchoring base.
