Key Component: Cr-A - Navien CR-180 Installation Manual

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Key Components: CR-A
NAVIEN Water Heater
"CR-A" Series Models
Number Description
1
Intake air collar
2
Fan
3
Mini buffer tank
4
Water flow sensor
5
Controller (PCB)
6
Circulation pump
7
Hot water outlet
8
3-wayvalve
9
Recirculation water inlet
10 Water leakage detector
11
Automatic flow adjustment valve
12
Cold water inlet
13
Condensation trap
14
Gas inlet
15
Main gas valve
16
GPS-V device
17
Gas pipe
18
Gas pressure sensor (GPS)
19
Transformer
20
Secondary heat exchanger
21
Primary heat exchanger
22
Igniter
23
APS-V device
24
Gas manifold valves
25
Burner
26
Air pressure sensor (APS)
27
Exhaust duct
28
Exhaust collar
29
Combustion air intake duct
30
Ground fault interrupter