Riello 20120391, Instructions For The Installer And For The Technical Support Service

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GENERAL INFORMATION
Description
NXC
044 048 056 064 072 084 096 104 122 142 164
Water heat exchanger
Water volume 2.6 3 3.3 4 4.8 5.6 8.7 9.9 11.3 12.4 14.7 L
Max operating pressure on water side
without hydronic module
1000 kPa
Hydronic module
Expansion tank volume 18 18 18 18 18 18 35 35 35 35 35 L
Expansion tank pressure 1 1 1 1 1 1 1.5 1.5 1.5 1.5 1.5 bar
Max operating pressure on water side
with hydronic module
400 kPa
Backup Tank Module
Water volume 250 L
Water connections
Connectors 2 inches
(1) Cooling mode: Evaporator inlet/outlet water temperature: 12°C/7°C; Outdoor air temperature: 35°C; Evaporator fouling factor: 0 sq.m
K/W.
(2) Cooling mode: Evaporator inlet/outlet water temperature: 23°C/18°C; Outdoor air temperature: 35°C; Evaporator fouling factor: 0
sq.m K/W.
(3) In dB ref = 10-12 W, weighting (A). Noise emission binary number declared in accordance with ISO 4871 (with an associated uncer-
tainty of +/-3 dB (A)). Measured in compliance with ISO 9614-1.
(4) In dB ref 20µPa, weighted “A”. Noise emission binary number declared in accordance with ISO 4871 (with an associated uncertainty
of +/-3 dB (A)). For information purposes, calculated from the sound power level Lw (A).
(5) Indicative values only. Please refer to the unit plate.