Rinnai Sensei CU199i Installation And Operation Manual page 66

Table 32: Parameter Settings Table
Default is A for all settings below except 10, 12, 13, and 14 which are factory set.
SETTING SETTING
# DESCRIPTION
Maximum Set
01
Temperature
High Altitude
Installation Location
02
Service Soon
03
Recirculation
04
Settings
Recirculation Mode
05
Control Switch
06
Units in Standby
07
(EZConnect™)
Gas Type
10
(Factory Set)
Maximum Flow
11
Rate
12
Water Heater Model
13 (Factory set values
and not adjustable)
14
1 See section "4.12.2 Service Indicator (Service Soon, 55)" for more information
2 Setting 05 is available only if setting 04b is selected.
Economy mode cycles the pump less often, using less energy to maintain the circulation loop temperature.
Comfort mode cycles the pump more frequently, ensuring the loop temperature remains higher (but also uses more
energy).
3 BMS = Building Management System
Selecting "High" will increase the water flow rate to the maximum capacity.
4
Commercial mode should not be used for residential applications. Application of commercial mode may result in
5
excessive machine wear and energy consumption.
4. 1 2.2 Service Indicator (Service Soon, 55)
This water heater includes a service indicator (Service Soon, SS).
When selected in the parameter settings, an SS code will display
on the controller indicating that it is time to flush and service the
water heater.
• Selection is installers preference based on water condi-
tions or other factors that may influence the suggested
interval of service.
• See the "Parameter Settings" section of this manual for
selectable service intervals.
• If Service Soon (55) appears on the controller display,
contact your local service provider to flush and service the
water heater (see 6.3 Flushing the Heat Exchanger)
• Service Soon will appear again based on the selected
service interval.
Rinnai Tankless Water Heater Installation and Operation Manual
a
140°F
0 - 2,000 ft
(0 - 610 m)
Disabled
1
No
Recirculation
Economy
2
BMS
3
2
NG
Standard
4
Without Pump
199 (3237)
Internal
(Indoor)
SELECTION
b
185°F
2,001 - 5,400 ft 5,401 - 7,700 ft
(610 - 1,585 m) (1,585 - 2,347 m)
0.5 Year
Recirculation
(Dedicated)
Comfort Commercial
Air Handler (AH)
1
LPG
High
With Pump
180 (2934) 160 (2530)
External
(Outdoor)
.
To reset Service Soon (55)
Press the ON/OFF button 5 times
Figure 69
NOTE: Service Soon (55) will display
on the controller again when the water
heater reaches the interval selected in the
parameter settings.
c d
7,701 - 10,200 ft
(2,347 - 3,109 m)
1 Year 2 Years
5
130 (2024)
55
5 TIM ES
66