ApenGroup AQUAKOND AKY, Installation And Maintenance Manual

Page: 15 / 44

CONDENSATION BOILER
AQUAKOND AKY
15
code HC0048.01GB ed.B-1406
AKY
3.4. ISPESL COMPONENTS
SAFETY, CONTROL AND PROTECTION DEVICES
Component Code Model Description
Hydrometer ID PB3204BB06 Manometer class UNI2.5, range 0-4bar
WATTS INDUSTRIES p
max, ex.
+25% f.s., T=-20/90°C ISPESL-compliant
Limit pressure switch IPMAX PMR/5-R2 Pressure switch p=1-3bar
ITALTECNICA ISPESL-compliant certificate N° PS/001/10
Inspection well PIT PGUA0TT003 Control well L=45mm, fitting 1/2"
WATTS INDUSTRIES ISPESL-compliant
Control three-way cock RB 403R14 Three-way cock, fitting 1/4",
WATTS INDUSTRIES T
max, ex
=90°C, P
max, ex
=15bar ISPESL-compliant
Thermometer TER PT4A507011 Fitting 1/2" with well
WATTS INDUSTRIES T=0/120°C precision class UNI 2, ISPESL-compliant
Expansion vessel VE 13S6001006 10 l. capacity, fitting 3/4",
default charge 0.75bar
WATTS INDUSTRIES T
max, ex.
=90°C, P
max, ex.
=15bar ISPESL-compliant
Safety valve VS 527427 Fittings 1/2"Fx3/4"F, adjusted 2,7 bar, diameter 15 mm,
CALEFFI discharge capacity 152.2 kW. Tmax=110°CV
ISPESL APPROVAL CERTIFICATE N°VS/319/00
Safety thermostat TS 1NT08L NC terminal of thermostat, opening T=87±4°C
Sensata T
es
=-20/+180°C,
KEMA certificate 2014531.16
NOTE: Test on Water Circuit
ISPESL standards require that the boiler body is tested at a pressure of 4.5 bars, i.e. one and a half times its maximum working
pressure.
NOTE: Distance between expansion tank and safety valve [only AKY050/070].
According to ISPESL standards, the distance between the vessel centerline and the safety valve centerline is 450 mm.
NOTE: Fuel detection valve [AKY050/070 only].
ISPESL standards
mandatorily require
the installation of a fuel detection valve on appliances over 35 kW. In designing the boiler,
Apen Group envisaged the possibility to add a well for inspecting the fuel detection valve. Relevant kit has the code C09073.
NOTE: Expansion vessel
All boilers include an expansion vessel with 10 l. capacity, pre-loaded at 0.75 bars.
When system capacity exceeds 95-100 litres, an expansion vessel with suitable capacity shall be installed.
Water contents of boilers are summarized in the table below. For information on pipes, see page 16 of this Manual.
WATER CONTENT
Boiler AKY032 3.5 l
Boiler AKY034 4.0 l
Boiler AKY050 6.3 l
Boiler AKY070 7.0 l