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Owner‟s Operation Manual - contents
Safety Instructions Safety Related Sysmbols ---------------------------- 3
Warning – Safety Precautions ---------------------- 4
Danger ---------------------------------------------------- 5
Danger – What to do if you Smell Gas ------------ 6
Danger – Compromised Venting System -------- 6
Danger – Hot Water Temperature Setting ------- 7
Personal Safety Equipment Protection and Personal Safety ----- 8
Warranty Navien Warranty -------------------------------------- 10
Navien America, Inc. Limited Warranty --------- 11
Operating Instructions General Parts ------------------------------------------ 12
Remote Controller ------------------------------------ 13
LCD Display Icons ------------------------------------ 14
Remote Controller On/Off -------------------------- 15
Setting the Clock ------------------------------------- 15
Hot Water Temp. Setting ------------------------- 16
Pre-Heating Setting -------------------------------- 17
Room Temp. Setting (Options) -------------------- 18
Return Temp. Setting (Options) ------------------- 19
Supply Temp. Setting (Options) ------------------- 20
K-Factor (Options) ------------------------------------ 20
Program (24
th
Timer) ---------------------------------- 21
Stand By -------------------------------------------------- 22
Lock ------------------------------------------------------- 22
Heat Capacity Control -------------------------------- 23
Capacity Control of the Whole ---------------------- 24
Setting up the Way of Control of Hot Water ----- 25
Well Pump Setting ------------------------------------- 26
Supply Water Pressrue Setting --------------------- 27
Function to Set the Number of Initial Activating
Water Heaters When Cascade is Used ---------- 28
Function to Set Pump Activating Water Heaters
When Cascade is Used ------------------------------- 29
Combination Water Heater : Heating ------------- 30
Combination Water Heater : DHW ---------------- 31
Maintenance Cleaning the Combination Water Heate --------- 32
Draining the Combination Water Heater --------- 33
Auto feeder of the Combination Water Heater -- 34
Cleaning the Inlet Water Filter ---------------------- 35
Cleaning the Space Heating Strainer -------------- 36
Cleaning the Intake Air Filter ----------------------- 37
Optional Outdoor Temp. Sensor -------------------- 38
Freeze Protection ------------------------------------- 39
Troubleshooting FND Display ---------------------------------------------- 40
& Error Code Guide Basic Troubleshooting (FAQ) ----------------------- 40
Error Code Guide -------------------------------------- 42